JP2008279884A - Weather strip for automobile - Google Patents

Weather strip for automobile Download PDF

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Publication number
JP2008279884A
JP2008279884A JP2007125415A JP2007125415A JP2008279884A JP 2008279884 A JP2008279884 A JP 2008279884A JP 2007125415 A JP2007125415 A JP 2007125415A JP 2007125415 A JP2007125415 A JP 2007125415A JP 2008279884 A JP2008279884 A JP 2008279884A
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Prior art keywords
flange
sponge material
weather strip
lip portion
decorative lip
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JP2007125415A
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JP4937829B2 (en
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Masahiro Kojima
昌博 小島
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Nishikawa Rubber Co Ltd
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Nishikawa Rubber Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a weather strip excellent in sound-shutting off property, appearance and workability in mounting. <P>SOLUTION: The weather strip for the automobile is mounted to a flange 2 provided along a door opening edge formed on a body 1 of the automobile, and is provided with a mounting base part 11 not buried with a core metal and mounted to the flange 2 by an adhesive tape 15; a seal part 12 provided on a vehicle outer side 40 of the mounting base part 11 and resiliently contacted with a door sash 3; a decoration lip 13 continuously provided from one end part of the mounting base part 11 to an indoor side 30 and having a terminal end abutted on an interior trim 4; and a sponge material 14 of low specific gravity and an approximately tongue-like cross section projectedly provided from an opposed portion to a terminal end surface 2a of the flange 2. The sponge material 14 is obliquely arranged toward an indoor side 30 of the flange 2, and the vehicle outer side surface 14a is resiliently contacted with an indoor side corner part 2b of the terminal end surface 2a of the flange 2 in a line contact form. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

本発明は、自動車のドア開口縁に沿って取付けられるウエザーストリップに関するものである。   The present invention relates to a weatherstrip that is mounted along the door opening edge of an automobile.

図1および図2を参照して説明する。自動車のボディ1に形成されたドア開口縁には、ドアサッシュ3に弾接してドアとのシール性を確保するためのウエザーストリップ20が取付けられる。このウエザーストリップ20には、重量の軽減や、取付け作業性の向上を目的として、芯金を埋設しない断面略平板状の取付基部11と、当該取付基部11に一体成形されドアサッシュ3に弾接する中空シール部12と、前記取付基部11の一端部に一体成形され、末端部が内装トリム4に当接する装飾リップ部13と、を備えたものがある。   This will be described with reference to FIGS. A weather strip 20 is attached to a door opening edge formed in the body 1 of the automobile so as to be in elastic contact with the door sash 3 to ensure a sealing property with the door. For the purpose of reducing the weight and improving the workability of the weather strip 20, the weather strip 20 has a substantially flat plate-like mounting base 11 in which a cored bar is not embedded, and is integrally formed with the mounting base 11 and elastically contacts the door sash 3. Some include a hollow seal portion 12 and a decorative lip portion 13 which is integrally formed with one end portion of the mounting base portion 11 and whose end portion contacts the interior trim 4.

こうした形状のウエザーストリップ20は、その取付基部11を、ボディ1に形成されたフランジ2に接着テープ15によって接着することによって取付けられる。また、装飾リップ部13の、フランジ2の末端面2aと正対する部分に、図2の矢印(Y)方向から侵入する音の遮断し、遮音性の向上を図るために、断面矩形状で低比重(比重0.05〜0.4)のスポンジ材21を一体成形によって設けている。すなわち、スポンジ材21を、装飾リップ部13とフランジ2との間に形成される間隙を全て潰す状態で設けている。そして、このスポンジ材21の前面全体を、フランジ2の末端面2aの全体に面状に密接させている。   The weather strip 20 having such a shape is attached by adhering the attachment base 11 to the flange 2 formed on the body 1 with an adhesive tape 15. Further, in order to block sound entering from the direction of the arrow (Y) in FIG. 2 to the portion of the decorative lip portion 13 that faces the end surface 2a of the flange 2, the cross section is rectangular and low in order to improve sound insulation. A sponge material 21 having a specific gravity (specific gravity 0.05 to 0.4) is provided by integral molding. That is, the sponge material 21 is provided in a state in which all gaps formed between the decorative lip portion 13 and the flange 2 are crushed. The entire front surface of the sponge material 21 is brought into close contact with the entire end surface 2a of the flange 2 in a planar shape.

なお、取付基部を接着テープでフランジ2に取付けるウエザーストリップには、例えば、特許文献1に示すものがあるが、このウエザーストリップには、遮音性の向上を図るためにスポンジ材を一体成形するといった手段は示されていない。
特開平6−48258号公報
A weather strip that attaches the attachment base to the flange 2 with an adhesive tape is disclosed in, for example, Patent Document 1. For this weather strip, a sponge material is integrally formed to improve sound insulation. Means are not shown.
JP-A-6-48258

上記した従来のウエザーストリップ20は、装飾リップ部13の、フランジ2の末端面2aに正対する部分に低比重のスポンジ材21を設け、このスポンジ材21を、フランジ2の末端面2aに密接させているので、遮音性の向上を図ることができる。   In the conventional weather strip 20 described above, a low specific gravity sponge material 21 is provided on a portion of the decorative lip 13 facing the end surface 2a of the flange 2, and the sponge material 21 is brought into close contact with the end surface 2a of the flange 2. Therefore, the sound insulation can be improved.

しかし、このウエザーストリップ20は、スポンジ材21を、装飾リップ部13のフランジ2の末端面2aに正対する部分に設け、その前面全体をフランジ2の末端面2aに面状に密接させているので、フランジ2の成形や組付けのバラツキが発生したり、また、スポンジ材21の形状のバラツキが発生した場合には、次のような問題が生じる。   However, the weather strip 20 is provided with the sponge material 21 at a portion facing the end surface 2a of the flange 2 of the decorative lip portion 13, and the entire front surface thereof is in close contact with the end surface 2a of the flange 2 in a surface shape. The following problems arise when variations in molding or assembly of the flange 2 occur, or when variations in the shape of the sponge material 21 occur.

すなわち、バラツキの発生によって、例えば、スポンジ材21がフランジ2の末端面2aと所定のラップ量を超えて過度に干渉すると、装飾リップ部13が大きな反力を受けることになり、その反力で矢印Zで示す方向に押し戻されて浮き上がり、内装トリム4との間に隙間Gが形成されてしまう(図2参照)。そのため、外観性が低下し、また、それを補うための作業を要するので、取付け作業性が悪いといった問題が生じる。また、装飾リップ部13と内装トリム4との隙間Gから音が侵入するので、遮音性が低下するといった問題も発生する。   That is, for example, when the sponge material 21 excessively interferes with the end surface 2a of the flange 2 beyond a predetermined wrap amount due to the occurrence of variation, the decorative lip portion 13 receives a large reaction force. It is pushed back in the direction indicated by the arrow Z and floats up, and a gap G is formed between the interior trim 4 (see FIG. 2). For this reason, the appearance is deteriorated and a work for supplementing it is required, so that there is a problem that the mounting workability is poor. In addition, since sound enters from the gap G between the decorative lip portion 13 and the interior trim 4, there also arises a problem that the sound insulation performance is lowered.

こうした問題に対応するために、スポンジ材21の肉厚を薄くして、所定のラップ量を減少させることが考えられるが、そうすると、フランジ2やスポンジ材21のバラツキが前記の場合と逆の方向に発生した場合、スポンジ材21がフランジ2の末端面2aに密着しないので、同様に外観性が低下し、作業性が悪い。また、装飾リップ部13とフランジ2との間から音が侵入するので、遮音性が低下するといった問題が発生する。   In order to cope with such a problem, it is conceivable to reduce the predetermined wrap amount by reducing the thickness of the sponge material 21, but in this case, the variation in the flange 2 or the sponge material 21 is opposite to the above case. If this occurs, the sponge material 21 does not adhere to the end face 2a of the flange 2, so that the appearance is similarly lowered and the workability is poor. In addition, since sound enters from between the decorative lip portion 13 and the flange 2, there arises a problem that the sound insulation performance is lowered.

なお、こうした問題は、ウエザーストリップを、接着テープによって、芯金を埋設していない取付基部をフランジに取付けていることに起因するものである。ちなみに、例えば、芯金を埋設した断面略U字状の取付基部を、フランジに嵌合して取付ける場合には、フランジに対する組付き力が強いので、スポンジ材がフランジの末端面に過度に干渉しても、こうした問題は発生しない。   Such a problem is caused by attaching the weather strip to the flange by using an adhesive tape and an attachment base portion in which the core metal is not embedded. By the way, for example, when attaching a mounting base with a substantially U-shaped cross section with a core metal embedded in the flange, the assembly force against the flange is strong, so the sponge material excessively interferes with the end face of the flange However, these problems do not occur.

本発明はこうした問題に鑑み創案されたもので、芯材を埋設しない取付基部を、フランジに接着テープで固定するウエザーストリップにおいて、装飾リップ部とフランジとの間の遮音性を確保し、かつ、当該装飾リップ部の末端部を内装トリムに常に確実に密着させることによって、遮音性、外観性、および取付け作業性に優れる製品を提供することを課題とする。   The present invention was devised in view of these problems, and in the weather strip for fixing the mounting base portion in which the core material is not embedded to the flange with an adhesive tape, the sound insulation between the decorative lip portion and the flange is ensured, and It is an object of the present invention to provide a product that is excellent in sound insulation, appearance, and mounting workability by ensuring that the end portion of the decorative lip portion is always in close contact with the interior trim.

図1および図3乃至図9を参照して説明する。請求項1に記載の自動車用ウエザーストリップ10は、自動車のボディ1に形成されたドア開口縁に沿って設けられたフランジ2に取付けられるものであって、芯金を埋設せず、接着テープ15によって前記フランジ2に取付けられる取付基部11と、前記取付基部11の車外側40に設けられ、ドアサッシュ3に弾接するシール部12と、前記取付基部11の一端部から室内側30へ連設された断面略舌状の装飾リップ部13と、前記装飾リップ部13の、前記フランジ2の末端面2aに対向する部分から突設され、当該フランジ2に弾接する断面略舌片状で低比重のスポンジ材14と、を備えている。   This will be described with reference to FIGS. 1 and 3 to 9. The weather strip 10 for an automobile according to claim 1 is attached to a flange 2 provided along a door opening edge formed in the body 1 of the automobile. Are attached to the flange 2, the seal part 12 provided on the vehicle outer side 40 of the attachment base 11 and elastically contacting the door sash 3, and one end of the attachment base 11 to the indoor side 30. The decorative lip portion 13 having a generally tongue-shaped cross section and the portion of the decorative lip portion 13 facing the end surface 2a of the flange 2 are protruded from the flange 2 and elastically contacted with the flange 2 and have a low specific gravity. Sponge material 14.

そして、前記スポンジ材14を前記フランジ2の室内側30へ向かって斜めに配置し、その車外側面14aを、前記フランジ2の末端面2aの室内側角部2bに線接触状に弾接させてなるものである。   Then, the sponge material 14 is disposed obliquely toward the indoor side 30 of the flange 2, and the vehicle outer side surface 14 a is elastically contacted with the indoor side corner 2 b of the end surface 2 a of the flange 2 in a line contact manner. It will be.

請求項2に記載の自動車用ウエザーストリップ10は、自動車のボディ1に形成されたドア開口縁に沿って設けられたフランジ2に取付けられるものであって、接着テープ15によって前記フランジ2に取付けられる取付基部11と、前記取付基部11の車外側40に設けられ、ドアサッシュ3に弾接するシール部12と、前記取付基部11の一端部から室内側30へ連設された断面略舌状の装飾リップ部13と、前記装飾リップ部13の、前記フランジ2の末端面2aより室内側30から突設され、当該フランジ2に弾接する断面略舌片状で低比重のスポンジ材14と、を備えている。   The weather strip 10 for an automobile according to claim 2 is attached to a flange 2 provided along a door opening edge formed in a body 1 of the automobile, and is attached to the flange 2 by an adhesive tape 15. A mounting base portion 11, a seal portion 12 provided on the vehicle exterior side 40 of the mounting base portion 11 and elastically contacting the door sash 3, and a decoration having a generally tongue-shaped cross section provided continuously from one end portion of the mounting base portion 11 to the indoor side 30. A lip portion 13, and a sponge material 14 of a low specific gravity having a generally tongue-shaped cross section protruding from the interior side 30 of the decorative lip portion 13 from the end face 2 a of the flange 2 and elastically contacting the flange 2. ing.

そして、前記スポンジ材14を前記フランジ2へ向かって斜めに配置し、その車外側角部14bを、前記フランジ2の室内側面2cに線接触状に弾接させてなるものである。   Then, the sponge material 14 is disposed obliquely toward the flange 2, and the vehicle outside corner portion 14b is elastically contacted with the indoor side surface 2c of the flange 2 in a line contact manner.

請求項3に記載の自動車用ウエザーストリップ10は、請求項1または2に記載の発明において、装飾リップ部13に、当該装飾リップ部13とスポンジ材14との連設角部Cに長手方向に沿って配置され、フランジ2に取付けた後、引裂いて取除く、紐状の引裂コード16を、薄肉部16aを介して一体成形してなるものである。   According to a third aspect of the present invention, in the automobile weather strip 10 according to the first or second aspect of the invention, the decorative lip portion 13 is provided in the longitudinal direction at the corner C provided with the decorative lip portion 13 and the sponge material 14. A string-like tearing cord 16 that is disposed along the flange 2 and is removed by tearing is integrally formed through the thin portion 16a.

請求項4に記載の自動車用ウエザーストリップ10は、自動車のボディ1に形成されたドア開口縁に沿って設けられたフランジ2に取付けられるものであって、接着テープ15によって前記フランジ2に取付けられる断面略平板状の取付基部11と、前記取付基部11の車外側40に設けられ、ドアサッシュ3に弾接する中空シール部12と、前記取付基部11の一端部から室内側30へ連設された断面略舌状の装飾リップ部13と、前記装飾リップ部13の、前記フランジ2の末端面2aより室内側30から突設され、当該フランジ2に弾接する断面略舌片状で低比重のスポンジ材14と、を備えている。   The automobile weather strip according to claim 4 is attached to a flange 2 provided along a door opening edge formed in the body 1 of the automobile, and is attached to the flange 2 by an adhesive tape 15. A mounting base portion 11 having a substantially flat cross section, a hollow seal portion 12 that is provided on the vehicle outer side 40 of the mounting base portion 11 and elastically contacts the door sash 3, and is connected to the indoor side 30 from one end portion of the mounting base portion 11. A decorative lip portion 13 having a substantially tongue-shaped cross section, and a sponge having a low-specific gravity and a substantially tongue-shaped cross section protruding from the interior side 30 of the decorative lip portion 13 from the end face 2a of the flange 2 and elastically contacting the flange 2 And a material 14.

そして、前記スポンジ材14を前記フランジ2へ向かって斜めに配置し、その車外側角部14bを、前記フランジ2の室内側面2cに線接触状に弾接させる。また、前記装飾リップ部13に、当該装飾リップ部13とスポンジ材14との連設角部Cに長手方向に沿って配置され、フランジ2に取付けた後、引裂いて取除く、紐状の引裂コード16を、薄肉部16aを介して一体成形してなるものである。   Then, the sponge material 14 is disposed obliquely toward the flange 2, and the vehicle outer corner 14b is elastically contacted with the indoor side surface 2c of the flange 2 in a line contact manner. Further, a string-shaped tear which is disposed on the decorative lip portion 13 along the longitudinal direction at the corner C where the decorative lip portion 13 and the sponge material 14 are connected, is attached to the flange 2, and is then removed by tearing. The cord 16 is integrally formed through the thin portion 16a.

なお、上記いずれの請求項においても、スポンジ材14の比重は、0.05〜0.4程度である。   In any of the above claims, the specific gravity of the sponge material 14 is about 0.05 to 0.4.

請求項1に記載の自動車用ウエザーストリップ10は、低比重のスポンジ材14を、フランジ2の室内側30へ向かって斜めに配置し、その車外側面14aを、フランジ2の末端面2aの室内側角部2bに線接触状に弾接させているので、フランジ2の成形や組付けのバラツキが発生したり、また、スポンジ材14の形状にバラツキが発生しても、遮音性、外観性、および取付け作業性に優れる。   The weather strip 10 for an automobile according to claim 1 has a low specific gravity sponge material 14 disposed obliquely toward the indoor side 30 of the flange 2, and the vehicle outer side surface 14 a is arranged on the indoor side of the end surface 2 a of the flange 2. Since the corner portion 2b is elastically contacted in a line-contact manner, even if the flange 2 is formed or assembled unevenly, or the sponge material 14 is unevenly formed, sound insulation, appearance, Excellent installation workability.

すなわち、例えば、バラツキの発生によって、当該スポンジ材14とフランジ2とのラップ量が所定より大きくなっても、スポンジ材14は舌片状で、フランジ2に線接触状に弾接しているので、それに対応して自在に弾性変形することができる。従って、当該スポンジ材14は、常に、フランジ2に密接して、優れた遮音性を発揮する。   That is, for example, even if the amount of wrap between the sponge material 14 and the flange 2 becomes larger than a predetermined amount due to the occurrence of variation, the sponge material 14 is in the form of a tongue piece and elastically contacts the flange 2 in a line contact state. Correspondingly, it can be elastically deformed freely. Accordingly, the sponge material 14 is always in close contact with the flange 2 and exhibits excellent sound insulation.

また、スポンジ材14は自在に弾性変形するので、装飾リップ部13には大きな反力が作用せず、従って、その末端部は浮き上がることがなく、常に内装トリム4に密着する。これにより、装飾リップ部13と内装トリム4との間には隙間Gが発生せず、外観性に優れる。また、両者間からの音の侵入も防止するので、遮音性をさらに優れたものとすることができる。   Further, since the sponge material 14 is freely elastically deformed, a large reaction force does not act on the decorative lip portion 13, and therefore the end portion thereof does not lift up and always adheres to the interior trim 4. Thereby, the clearance gap G does not generate | occur | produce between the decoration lip | rip part 13 and the interior trim 4, and it is excellent in external appearance property. Moreover, since the invasion of sound from both sides is prevented, the sound insulation can be further improved.

また、装飾リップ部13に大きな反力が作用しないので、フランジ2に容易に正確に取付けることができ、よって、取付け作業性に優れる。   In addition, since a large reaction force does not act on the decorative lip portion 13, it can be easily and accurately attached to the flange 2, and hence the attachment workability is excellent.

なお、ラップ量が所定より小さい場合でも、スポンジ材14はそれに対応した弾性変形によってフランジ2に密接するので、優れた遮音性、外観性、および取付け作業性を発揮することができる。   Even when the wrap amount is smaller than a predetermined amount, the sponge material 14 is brought into close contact with the flange 2 by the corresponding elastic deformation, so that excellent sound insulation, appearance and mounting workability can be exhibited.

請求項2に記載の自動車用ウエザーストリップ10は、断面略舌片状のスポンジ材14を室内側30からフランジ2へ向かって斜めに配置し、その車外側角部14bを、フランジ2の室内側面2cに線接触状に弾接させているので、請求項1に記載の発明と同様に、フランジ2の成形バラツキ等が発生しても、スポンジ材14はフランジ2に確実に密接する。   The automobile weather strip 10 according to claim 2 is configured such that the sponge material 14 having a substantially tongue-shaped cross section is disposed obliquely from the indoor side 30 toward the flange 2, and the vehicle outer corner portion 14 b is disposed on the indoor side surface of the flange 2. Since it is elastically contacted with 2c in the form of a line contact, the sponge material 14 is in intimate contact with the flange 2 even if molding variations of the flange 2 occur as in the first aspect of the invention.

また、装飾リップ部13は、大きな反力を受けることがないので、その末端部は内装トリム4に確実に密着する。従って、遮音性、外観性、および取付け作業性に優れる。   Further, since the decorative lip portion 13 does not receive a large reaction force, the end portion thereof is securely adhered to the interior trim 4. Therefore, it is excellent in sound insulation, appearance, and mounting workability.

請求項3に記載の自動車用ウエザーストリップ10は、請求項1および2に記載の発明と同様の効果を発揮する。また、装飾リップ部13に、当装飾リップ部13とスポンジ材14との連設角部Cに長手方向に沿って配置され、フランジ2に取付けた後、引裂いて取除く、紐状の引裂コード16を、薄肉部16aを介して一体成形しているので、ウエザーストリップ10をフランジ2に取付けた際に、スポンジ材14が装飾リップ部13とフランジ2の末端面2aとの間に挟まるのを防止することができる。   The automobile weather strip 10 according to the third aspect exhibits the same effects as the inventions according to the first and second aspects. Further, a cord-like tear cord disposed on the decorative lip portion 13 along the longitudinal direction at the corner C of the decorative lip portion 13 and the sponge material 14 and attached to the flange 2 and then removed by tearing. 16 is integrally formed through the thin-walled portion 16 a, so that when the weather strip 10 is attached to the flange 2, the sponge material 14 is sandwiched between the decorative lip portion 13 and the end face 2 a of the flange 2. Can be prevented.

また、仮に挟まった場合でも、当該引裂コード16を引張り(図7の矢印方向に)、薄肉部16から引き裂いて取除くことによって、当該スポンジ材14を、正常の位置に配置することができる。   Further, even when sandwiched, the sponge material 14 can be placed in a normal position by pulling the tear cord 16 (in the direction of the arrow in FIG. 7) and tearing it away from the thin portion 16.

請求項4に記載の自動車用ウエザーストリップ10は、断面略舌片状のスポンジ材14をフランジ2へ向かって斜めに配置し、その車外側角部14bを、フランジ2の室内側面2cに線接触状に弾接させているので、請求項1および2に記載の発明と同様に、遮音性、外観性、および取付け作業性に優れる。   The automobile weather strip 10 according to claim 4 has a sponge material 14 having a substantially tongue-shaped cross section disposed obliquely toward the flange 2, and the vehicle outer corner 14 b is in line contact with the indoor side surface 2 c of the flange 2. Since it is elastically contacted, the sound insulation, the appearance and the mounting workability are excellent as in the first and second aspects of the invention.

また、装飾リップ部13に、当該装飾リップ部13とスポンジ材14との連設角部Cに長手方向に沿って配置され、フランジ2に取付けた後、引裂いて取除く、紐状の引裂コード16を、薄肉部16aを介して一体成形しているので、請求項3に記載の発明と同様に、スポンジ材14が装飾リップ部13とフランジ2の末端面2aとの間に挟まるのを防止することができる。また、挟まった場合でも、当該引裂コード16を引裂くことによって、スポンジ材14を正常の位置に配置することができる。   Further, a cord-like tear cord disposed on the decorative lip portion 13 along the longitudinal direction at the continuous corner C of the decorative lip portion 13 and the sponge material 14, attached to the flange 2, and then removed by tearing. 16 is integrally formed through the thin-walled portion 16a, so that the sponge material 14 is prevented from being caught between the decorative lip portion 13 and the end face 2a of the flange 2 as in the invention of claim 3. can do. Moreover, even when pinched, the sponge material 14 can be placed at a normal position by tearing the tear cord 16.

本発明に係る自動車用ウエザーストリップ10の第一実施形態を、図1,図3および図4に示す。これは、自動車のボディ1に形成されたドア開口縁に沿って設けられ、ボディ1のインナーパネル1aとアウターパネル1bとで形成したフランジ2に取付けられ、ドアサッシュ3に弾接して、ボディ1とドアとの間をシールするものである。このウエザーストリップ10は、取付基部11、シール部(中空シール部)12、装飾リップ部13、および低比重(比重0.05〜0.4)のスポンジ材14を備える。   A first embodiment of a weather strip 10 for an automobile according to the present invention is shown in FIGS. This is provided along the door opening edge formed in the body 1 of the automobile, is attached to the flange 2 formed by the inner panel 1a and the outer panel 1b of the body 1, and elastically contacts the door sash 3, so that the body 1 The seal between the door and the door. The weather strip 10 includes an attachment base 11, a seal part (hollow seal part) 12, a decorative lip part 13, and a sponge material 14 having a low specific gravity (specific gravity 0.05 to 0.4).

なお、取付基部11の一方端部には、当該ウエザーストリップ10が伸縮するのを防止するために、長手方向に沿ってグラスファイバー17を埋設している。   In addition, in order to prevent the weather strip 10 from expanding and contracting, a glass fiber 17 is embedded along the longitudinal direction at one end of the mounting base 11.

取付基部11は、ソリッドゴム製で、断面略平板状で芯金を埋設せず、接着テープ15によって断面平板状のフランジ2に取付けられる。中空シール部12は、取付基部11の車外側40に一体成形されたスポンジゴム製で、ドアサッシュ3に弾接する。装飾リップ部13は、取付基部11の一端部から室内側30へ連設され、その末端部が内装トリム4に密着する。   The mounting base 11 is made of solid rubber, has a substantially flat cross section, and does not embed a metal core, and is attached to the flange 2 having a flat cross section by an adhesive tape 15. The hollow seal portion 12 is made of sponge rubber integrally formed on the vehicle exterior side 40 of the mounting base portion 11 and elastically contacts the door sash 3. The decorative lip portion 13 is connected from the one end portion of the mounting base portion 11 to the indoor side 30, and the end portion thereof is in close contact with the interior trim 4.

そして、スポンジ材14は、断面略舌片状であり、装飾リップ部13の、フランジ2の末端面2aに対向する部分から、フランジ2の室内側30へ向かって斜めに突設され、その車外側面14aを、フランジ2の末端面2aの室内側角部2bに線接触状に弾接させている。   The sponge material 14 has a substantially tongue-shaped cross section, and protrudes obliquely from the portion of the decorative lip 13 facing the end surface 2a of the flange 2 toward the indoor side 30 of the flange 2, The side surface 14a is elastically contacted with the indoor side corner 2b of the end surface 2a of the flange 2 in a line contact manner.

本実施形態に係る自動車用ウエザーストリップ10は、低比重のスポンジ材14を、フランジ2の室内側30へ向かって斜めに配置し、その車外側面14aを、フランジ2の末端面2aの室内側角部2bに線接触状に弾接させているので、フランジ2の成形や組付けのバラツキが発生したり、また、スポンジ材14の形状にバラツキが発生して、例えば、当該スポンジ材14とフランジ2とのラップ量が所定より大きくなっても、それに対応して自在に弾性変形することができる。従って、スポンジ材14は常にフランジ2に密接して、優れた遮音性を発揮する。   In the weather strip 10 for automobiles according to the present embodiment, the sponge material 14 having a low specific gravity is disposed obliquely toward the indoor side 30 of the flange 2, and the vehicle outer side surface 14 a is set to the indoor side angle of the end surface 2 a of the flange 2. Since the portion 2b is elastically contacted in a line contact manner, variations in molding and assembly of the flange 2 occur, and variations in the shape of the sponge material 14 occur. For example, the sponge material 14 and the flange Even if the amount of lap with 2 becomes larger than a predetermined amount, it can be elastically deformed correspondingly. Accordingly, the sponge material 14 is always in close contact with the flange 2 and exhibits excellent sound insulation.

また、スポンジ材14が自在に弾性変形するため、装飾リップ部13には、それを押し戻す方向への反力が作用せず、従って、その末端部は常に内装トリム4に密着することができる。これにより、フランジ2と装飾リップ部13との間から音が侵入するのを防止することができるので、遮音性をさらに高めることができる。   Further, since the sponge material 14 is elastically deformed freely, no reaction force is exerted on the decorative lip portion 13 in the direction of pushing it back, so that the end portion can always be in close contact with the interior trim 4. Thereby, since it can prevent that a sound penetrate | invades from between the flange 2 and the decoration lip | rip part 13, sound insulation can be improved further.

また、装飾リップ部13と内装トリム4との間には隙間Gが発生しないので、外観性に優れる。さらに、装飾リップ部13と内装トリム4との間に隙間Gを発生させることなく取り付けることができるので、取付け作業性に優れる。   In addition, since no gap G is generated between the decorative lip 13 and the interior trim 4, the appearance is excellent. Furthermore, since it can attach without generating the clearance gap G between the decoration lip | rip part 13 and the interior trim 4, it is excellent in attachment workability | operativity.

なお、ラップ量が所定より小さい場合でも、スポンジ材14はそれに対応して弾性変形して、フランジ2に密接するので、優れた遮音性、外観性、および取付け作業性を確保することができる。   Even when the wrap amount is smaller than a predetermined amount, the sponge material 14 is elastically deformed correspondingly and is in close contact with the flange 2, so that excellent sound insulation, appearance, and mounting workability can be ensured.

本発明に係る自動車用ウエザーストリップ10の第二実施形態を、図1,図5および図6に示す。このウエザーストリップ10の基本的な構成は、第一実施形態と同様であり、その特徴は、断面略舌片状で低比重のスポンジ材14を、装飾リップ部13の、フランジ2の末端面2aより室内側30から突設し、当該スポンジ材14をフランジ2へ向かって斜めに配置し、その車外側角部14bを、フランジ2の室内側面2cに線接触状に弾接させていることである。   A second embodiment of an automotive weather strip 10 according to the present invention is shown in FIGS. The basic configuration of the weather strip 10 is the same as that of the first embodiment. The feature of the weather strip 10 is that a sponge material 14 having a substantially tongue-shaped cross section and a low specific gravity is used, and the end face 2a of the flange 2 of the decorative lip portion 13 is used. By projecting from the indoor side 30, the sponge material 14 is disposed obliquely toward the flange 2, and the vehicle outer corner 14 b is elastically contacted with the indoor side surface 2 c of the flange 2 in a line contact manner. is there.

このウエザーストリップ10も、第一実施形態と同様に、フランジ2の成形バラツキ等が発生しても、スポンジ材14はフランジ2に確実に密接することができる。また、装飾リップ部13は、大きな反力を受けないので、内装トリム4に確実に密着する。従って、遮音性、外観性、および取付け作業性に優れる。   In the weather strip 10 as well, the sponge material 14 can be surely brought into close contact with the flange 2 even if the molding variation of the flange 2 or the like occurs as in the first embodiment. In addition, the decorative lip portion 13 does not receive a large reaction force, so that it closely adheres to the interior trim 4. Therefore, it is excellent in sound insulation, appearance, and mounting workability.

本発明に係る自動車用ウエザーストリップ10の第三実施形態を、図1および図7乃至図9に示す。このウエザーストリップ10は、第二実施形態と同様に、断面略舌片状で低比重のスポンジ材14を、装飾リップ部13の、フランジ2の末端面2aより室内側30から突設し、フランジ2へ向かって斜め配置し、その車外側角部14bを、前記フランジ2の室内側面2cに線接触状に弾接させている。   A third embodiment of a weather strip 10 for an automobile according to the present invention is shown in FIGS. 1 and 7 to 9. As in the second embodiment, this weather strip 10 is provided with a sponge material 14 having a substantially tongue-shaped cross section and a low specific gravity projecting from the interior side 30 of the decorative lip portion 13 from the end face 2a of the flange 2, The vehicle outer corner portion 14b is elastically contacted with the indoor side surface 2c of the flange 2 in a line contact manner.

これにより、フランジ2の成形バラツキ等が発生しても、スポンジ材14はフランジ2に確実に密接することができる。また、装飾リップ部13は、大きな反力を受けないので、内装トリム4に確実に当接する。従って、装飾性、外観性、および取付け作業性に優れる。   Thereby, even if the shaping | molding variation etc. of the flange 2 generate | occur | produce, the sponge material 14 can be closely_contact | adhered to the flange 2 reliably. Further, since the decorative lip portion 13 does not receive a large reaction force, the decorative lip portion 13 reliably contacts the interior trim 4. Therefore, the decorativeness, appearance, and mounting workability are excellent.

また、このウエザーストリップ10は、紐状の部材である引裂コード16を設けている。この引裂コード16は、装飾リップ部13に薄肉部16aを介して一体成形したものであり、当該装飾リップ部13とスポンジ材14との連設角部Cに長手方向に沿って配置している。そして、ウエザーストリップ10をフランジ2に取付けた後、図7の矢印で示す方向に引張り、薄肉部16aを引裂いて取除くものである。この引裂コード16は、ゴム材(ソリッドまたはスポンジ)16bにグラスファイバー製の芯線16cを埋設して構成している。   Further, the weather strip 10 is provided with a tear cord 16 which is a string-like member. The tear cord 16 is integrally formed with the decorative lip portion 13 via the thin wall portion 16a, and is arranged along the longitudinal direction at the continuous corner C of the decorative lip portion 13 and the sponge material 14. . And after attaching the weather strip 10 to the flange 2, it pulls in the direction shown by the arrow of FIG. 7, and tears and removes the thin part 16a. The tear cord 16 is configured by embedding a glass fiber core wire 16c in a rubber material (solid or sponge) 16b.

この引裂コード16を設けたことにより、スポンジ材14が、装飾リップ部13とフランジ2の末端面2aとの間に挟まるのを未然に防止することができる。また、挟まった場合でも、当該引裂コード16を引き裂いて取り除くことによって、当該スポンジ材14を正常の位置に配置することができる。   By providing the tear cord 16, it is possible to prevent the sponge material 14 from being caught between the decorative lip portion 13 and the end face 2 a of the flange 2. Moreover, even if it is pinched, the sponge material 14 can be placed at a normal position by tearing and removing the tear cord 16.

ウエザーストリップが取付けられた自動車を示す側面図である。It is a side view which shows the motor vehicle with which the weather strip was attached. 従来例に係るウエザーストリップを示すもので、図1のX−X線断面図である。FIG. 2 shows a weather strip according to a conventional example, and is a cross-sectional view taken along line XX of FIG. 1. 本発明の第一実施形態に係るウエザーストリップを示すもので、図1のX−X線断面図である。The weather strip which concerns on 1st embodiment of this invention is shown, and it is the XX sectional drawing of FIG. 図3に示すウエザーストリップの要部拡大図である。It is a principal part enlarged view of the weather strip shown in FIG. 本発明の第二実施形態に係るウエザーストリップを示すもので、図1のX−X線断面図である。The weather strip which concerns on 2nd embodiment of this invention is shown, and it is the XX sectional view taken on the line of FIG. 図5に示すウエザーストリップの要部拡大図である。It is a principal part enlarged view of the weather strip shown in FIG. 本発明の第三実施形態に係るウエザーストリップを示すもので、図1のX−X線断面図である。The weather strip which concerns on 3rd embodiment of this invention is shown, and it is the XX sectional view taken on the line of FIG. 図7に示すウエザーストリップの要部拡大図である。It is a principal part enlarged view of the weather strip shown in FIG. 図7に示すウエザーストリップの右側面図(部分断面)である。It is a right view (partial cross section) of the weather strip shown in FIG.

符号の説明Explanation of symbols

1 ボディ
1a インナーパネル
1b アウターパネル
2 フランジ
2a 末端面
2b 室内側角部
2c 室内側面
3 ドアサッシュ
4 内装トリム
10 ウエザーストリップ
11 取付基部
12 シール部
13 装飾リップ部
14 スポンジ材
14a 車外側面
14b 車外側角部
15 接着テープ
16 引裂コード
16a 薄肉部
16b ゴム材
16c 芯線
17 グラスファイバー
20 ウエザーストリップ
21 スポンジ材
30 室内側
40 車外側
C 連設角部
G 隙間
DESCRIPTION OF SYMBOLS 1 Body 1a Inner panel 1b Outer panel 2 Flange 2a End surface 2b Interior side corner 2c Interior side 3 Door sash 4 Interior trim 10 Weather strip 11 Mounting base 12 Seal part 13 Decoration lip part 14 Sponge material 14a Car outer side 14b Car outer corner Part 15 Adhesive tape 16 Tear cord 16a Thin part 16b Rubber material 16c Core wire 17 Glass fiber 20 Weather strip 21 Sponge material 30 Indoor side 40 Outer side C Continuous corner G Gap

Claims (4)

自動車のボディに形成されたドア開口縁に沿って設けられたフランジに取付けられるウエザーストリップであって、接着テープによって前記フランジに取付けられる取付基部と、前記取付基部の車外側に設けられ,ドアサッシュに弾接するシール部と、前記取付基部の一端部から室内側へ連設された断面略舌状の装飾リップ部と、前記装飾リップ部の,前記フランジの末端面に対向する部分から突設され,該フランジに弾接する断面略舌片状で低比重のスポンジ材と,を備えてなり、前記スポンジ材を,前記フランジの室内側へ向かって斜めに配置し,その車外側面を,前記フランジの末端面の室内側角部に線接触状に弾接させてなる自動車用ウエザーストリップ。   A weatherstrip that is attached to a flange provided along a door opening edge formed in a body of an automobile, the mounting base being attached to the flange by an adhesive tape, the outside of the mounting base being provided on the outside of the vehicle, and a door sash Projecting from a portion of the decorative lip portion facing the end face of the flange. A sponge material having a generally tongue-shaped cross section and a low specific gravity that elastically contacts the flange, and the sponge material is disposed obliquely toward the indoor side of the flange, and the vehicle outer surface is disposed on the flange surface. A weather strip for automobiles, which is elastically contacted in a line contact manner with a corner on the indoor side of the end face. 自動車のボディに形成されたドア開口縁に沿って設けられたフランジに取付けられるウエザーストリップであって、接着テープによって前記フランジに取付けられる取付基部と、前記取付基部の車外側に設けられ,ドアサッシュに弾接するシール部と、前記取付基部の一端部から室内側へ連設された断面略舌状の装飾リップ部と、前記装飾リップ部の,前記フランジの末端面より室内側から突設され,該フランジに弾接する断面略舌片状で低比重のスポンジ材と,を備えてなり、前記スポンジ材を前記フランジへ向かって斜めに配置し,その車外側角部を,前記フランジの室内側面に線接触状に弾接させてなる自動車用ウエザーストリップ。   A weatherstrip that is attached to a flange provided along a door opening edge formed in a body of an automobile, the mounting base being attached to the flange by an adhesive tape, and the outside of the mounting base that is provided on the outside of the vehicle. A sealing portion that elastically contacts, a decorative lip portion having a generally tongue-shaped cross-section continuously provided from one end portion of the mounting base portion to the indoor side, and protruding from the indoor side from the end face of the flange of the decorative lip portion, A sponge material having a generally tongue-shaped cross section and a low specific gravity that elastically contacts the flange, and the sponge material is disposed obliquely toward the flange, with the corners on the outside of the vehicle on the indoor side surface of the flange Weather strips for automobiles that are elastically contacted in line contact. 装飾リップ部に、該装飾リップ部とスポンジ材との連設角部に長手方向に沿って配置され,フランジに取付けた後,引裂いて取除く,紐状の引裂コードを、薄肉部を介して一体成形してなる請求項1または2に記載の自動車用ウエザーストリップ。   A string-like tear cord is disposed on the decorative lip portion along the longitudinal direction at the corner portion where the decorative lip portion and the sponge material are connected, attached to the flange, and then removed by tearing. The automobile weather strip according to claim 1 or 2, which is integrally molded. 自動車のボディに形成されたドア開口縁に沿って設けられたフランジに取付けられるウエザーストリップであって、接着テープによって前記フランジに取付けられる断面略平板状の取付基部と、前記取付基部の車外側に設けられ,ドアサッシュに弾接する中空シール部と、前記取付基部の一端部から室内側へ連設された断面略舌状の装飾リップ部と、前記装飾リップ部の,前記フランジの末端面より室内側から突設され,該フランジに弾接する断面略舌片状で低比重のスポンジ材と,を備えてなり、前記スポンジ材を前記フランジへ向かって斜めに配置し,その車外側角部を,前記フランジの室内側面に線接触状に弾接させ、さらに,前記装飾リップ部に,該装飾リップ部とスポンジ材との連設角部に長手方向に沿って配置され,前記フランジに取付けた後,引裂いて取除く,紐状の引裂コードを,薄肉部を介して一体成形してなる自動車用ウエザーストリップ。   A weather strip that is attached to a flange provided along a door opening edge formed in a body of an automobile, and has a substantially flat plate-like attachment base that is attached to the flange by an adhesive tape, and a vehicle outer side of the attachment base. A hollow seal portion that elastically contacts the door sash, a decorative lip portion having a generally tongue-shaped cross-section continuously provided from one end portion of the mounting base portion to the indoor side, and a chamber from the end face of the flange of the decorative lip portion A sponge material that protrudes from the inside and elastically contacts the flange, and has a low specific gravity, and the sponge material is arranged obliquely toward the flange, The flange is elastically contacted to the inner side surface of the flange, and is further disposed on the decorative lip portion along a longitudinal direction at a corner portion where the decorative lip portion and the sponge material are connected. After mounting, the removing by tearing, the string-shaped tear cord, automobile weather strip formed by integral molding through the thin portion.
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JP2010202019A (en) * 2009-03-03 2010-09-16 Kinugawa Rubber Ind Co Ltd Weather strip
WO2013040573A1 (en) 2011-09-15 2013-03-21 Henniges Automotive Sealing Systems North America Inc. Weatherstrip assembly having a removable retaining member
JP2013091411A (en) * 2011-10-26 2013-05-16 Nishikawa Rubber Co Ltd Weather-strip
US20150151621A1 (en) * 2012-07-13 2015-06-04 Cqlt Saargummi Technologies S.À.R.L. Sealing strand for adhesively bonding to a vehicle body

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