JP2009154642A

JP2009154642A - Weatherstrip for vehicle

Info

Publication number: JP2009154642A
Application number: JP2007333622A
Authority: JP
Inventors: Tetsuya Tamada; 哲也玉田; Shinya Sasaki; 真也佐々木; Yasuhiro Morihara; 康裕森原
Original assignee: Nishikawa Rubber Co Ltd
Current assignee: Nishikawa Rubber Co Ltd
Priority date: 2007-12-26
Filing date: 2007-12-26
Publication date: 2009-07-16
Anticipated expiration: 2027-12-26
Also published as: JP5145025B2

Abstract

<P>PROBLEM TO BE SOLVED: To provide a product without causing a shrink and folding wrinkles in a seal part positioned in a corner part, in a weatherstrip with its total length including the corner part formed by extrusion molding. <P>SOLUTION: The weatherstrip has an installation base 2 installed on a flange F arranged along a peripheral edge corner part of a door opening formed in a body of a vehicle, formed by extrusion molding, formed in a cross-sectional substantially U shape composed of a vehicle insidewall 2a, a vehicle outsidewall 2b and the innermost wall 2c for continuously arranging both sidewalls and sandwiching the flange F inserted from the opening side, a core material 5 embedded along a shape of the installation base 2, and a hollow seal part 3 integrally molded on the vehicle outside of the installation base 2, elastically contacting with a door panel and connecting a root 3a to the vehicle outside of the installation base 2. An extension part 5a embedded in the root 3a of the seal part 3, is protruded on the vehicle outside of the core material 5 embedded in the vehicle outsidewall 2b of the installation base 2. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

本発明は、断面略Ｕ字形の取付基部に、剛性を高めるための芯材を埋設した自動車用のウェ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 in which a core material for enhancing rigidity is embedded in a mounting base portion having a substantially U-shaped cross section.

自動車のボディに形成されたドア開口部の周縁部に沿って取付けられるウェザーストリップ１０は、図１３，図１４に示すように、断面略Ｕ字形で、前記周縁部に設けたフランジＦを挟持して組付く取付基部２と、その取付基部２の車外側に一体成形され、ドアパネルに弾接する中空シール部３と、取付基部２の車内側に一体成形された装飾リップ６を備える。
なお、図１３は、ウェザーストリップを取付けた自動車を示す側面図であり、図１４は、ウェザーストリップ１０を示すもので、図１３のＡ部における要部拡大斜視図である。
また、通常、この取付基部２には、その剛性を高めてフランジＦに対する組付き力を高めるために、図１５に示すような樹脂製（または金属製）の芯材１１が埋設されている。 As shown in FIGS. 13 and 14, the weather strip 10 attached along the periphery of the door opening formed in the body of the automobile has a substantially U-shaped cross section and sandwiches a flange F provided on the periphery. The mounting base 2 to be assembled in this way, a hollow seal portion 3 that is integrally formed on the vehicle outer side of the mounting base 2 and elastically contacting the door panel, and a decorative lip 6 that is integrally molded on the vehicle inner side of the mounting base 2 are provided.
FIG. 13 is a side view showing an automobile to which a weather strip is attached, and FIG. 14 shows the weather strip 10 and is an enlarged perspective view of a main part in part A of FIG.
Further, in order to increase the rigidity and increase the assembling force for the flange F, a resin (or metal) core 11 as shown in FIG. 15 is normally embedded in the mounting base 2.

こうしたウェザーストリップ１０は、直線部を押出成形で形成し、コーナー部を型成形部で形成したタイプの他に、図１４に示すように、コーナー部を含む全長を押出成形によって形成したタイプがある。後者のタイプは、型成形を不要とするので生産性に優れるといった大きな特長がある。 Such a weather strip 10 includes a type in which the entire length including the corner portion is formed by extrusion molding as shown in FIG. 14 in addition to the type in which the straight portion is formed by extrusion molding and the corner portion is formed by mold forming portion. . The latter type has a great feature that it is excellent in productivity because it does not require molding.

なお、これまで、取付基部の内側に設けられた爪部にも芯材を埋設して、フランジに対する組付き力を高めたウェザーストリップについて開示されている（例えば、特許文献１参照）。
実開昭６３−１３７０５１号公報 Heretofore, a weather strip has been disclosed in which a core material is also embedded in a claw portion provided on the inner side of the mounting base to increase the assembling force on the flange (see, for example, Patent Document 1).
Japanese Utility Model Publication No. 63-137051

しかしながら、取付基部２に芯材１１を埋設し、コーナー部を含む全長を押出成形で形成した従来のウェザーストリップ１０は、コーナー部において、シール部３の外周側にいわゆるヒケＳが顕著に発生し、また、内周側に折れ皺Ｗが発生するといった問題がある。
ヒケＳは、湾曲変形したコーナー部の外周側が内周側への応力を受けるため、それにより外周側が所定位置より内周側に退行して生じるものである。図１４において、符号Ｍはヒケの量を示す。また、装飾リップ６の外周側にも同様のヒケＳが発生するといった問題もある。
こうしたヒケＳや折れ皺Ｗは外観性やシール性の低下に繋がるので、好ましくない。 However, in the conventional weather strip 10 in which the core material 11 is embedded in the mounting base portion 2 and the entire length including the corner portion is formed by extrusion molding, a so-called sink S is significantly generated on the outer peripheral side of the seal portion 3 in the corner portion. In addition, there is a problem that wrinkles are generated on the inner peripheral side.
Sink S is generated when the outer peripheral side of the curved corner portion is subjected to stress toward the inner peripheral side, whereby the outer peripheral side retreats from the predetermined position to the inner peripheral side. In FIG. 14, the symbol M indicates the amount of sink marks. There is also a problem that similar sink S occurs on the outer peripheral side of the decorative lip 6.
Such sinks S and creases W are not preferable because they lead to deterioration in appearance and sealing properties.

なお、特許文献１における爪部に埋設された芯材は、シール部や装飾リップにヒケや折れ皺が発生するのを防止するためのものではない。 In addition, the core material embedded in the nail | claw part in patent document 1 is not for preventing the occurrence of sink marks and creases in the seal part and the decorative lip.

そこで、本発明の目的とするところは、取付基部に芯材が埋設され、コーナー部を含む全長を押出成形によって形成したウェザーストリップにおいて、コーナー部に位置するシール部に、ヒケ及び折れ皺が発生することを抑制しうる製品を提供することにある。 Accordingly, an object of the present invention is to provide a weather strip in which a core material is embedded in the mounting base portion and the entire length including the corner portion is formed by extrusion molding. Sink marks and creases occur in the seal portion located at the corner portion. The object is to provide a product that can suppress this.

上記の目的を達成するために、請求項１に記載の発明は、自動車のボディに形成されたドア開口部の周縁コーナー部に沿って設けられたフランジ（Ｆ）に取付けられるとともに押出成形されてなり、車内側壁部（２ａ）と車外側壁部（２ｂ）と両側壁部（２ａ，２ｂ）を連設する奥壁部（２ｃ）からなる断面略Ｕ字形で、その断面略Ｕ字形の開口部側から挿入される前記フランジ（Ｆ）を挟持する取付基部（２）と、前記取付基部（２）の形状に沿って埋設された芯材（５）と、前記取付基部（２）の車外側に一体成形され、ドアパネルに弾接するとともに、前記取付基部（２）の車外側壁部（２ｂ）の端部側と前記奥壁部（２ｃ）側に２つの付け根部（３ａ，３ａ）が接続された中空状のシール部（３）を備える自動車用ウェザーストリップ（１）であって、
前記取付基部（２）の車外側壁部（２ｂ）に埋設された芯材（５）の車外側に、前記シール部（３）の２つの付け根部（３ａ，３ａ）の一方または両方に埋入する延長部（５ａ）を突設したことを特徴とする。 In order to achieve the above object, the invention according to claim 1 is attached to a flange (F) provided along a peripheral corner portion of a door opening formed in a body of an automobile and is extruded. The inner wall portion (2a), the outer wall portion (2b), and the rear wall portion (2c) connecting the both side wall portions (2a, 2b) are substantially U-shaped in section, and the opening is substantially U-shaped in section. A mounting base (2) sandwiching the flange (F) inserted from the side of the part, a core (5) embedded along the shape of the mounting base (2), and a vehicle of the mounting base (2) It is integrally formed on the outside and elastically contacts the door panel, and two roots (3a, 3a) are provided on the end side of the vehicle outer wall (2b) and the back wall (2c) of the mounting base (2). A weather strip for an automobile having a hollow seal portion (3) connected thereto. A (1),
Embedded in one or both of the two base portions (3a, 3a) of the seal portion (3) on the vehicle exterior side of the core member (5) embedded in the vehicle exterior wall portion (2b) of the mounting base portion (2). The extension part (5a) to enter is protrudingly provided.

また、請求項２に記載の発明は、自動車のボディに形成されたドア開口部の周縁コーナー部に沿って設けられたフランジ（Ｆ）に取付けられるとともに押出成形されてなり、車内側壁部（２ａ）と車外側壁部（２ｂ）と両側壁部（２ａ，２ｂ）を連設する奥壁部（２ｃ）からなる断面略Ｕ字形で、その断面略Ｕ字形の開口部側から挿入される前記フランジ（Ｆ）を挟持する取付基部（２）と、前記取付基部（２）の形状に沿って埋設された芯材（５）と、前記取付基部（２）の車外側に一体成形され、ドアパネルに弾接するとともに、前記取付基部（２）の車外側壁部（２ｂ）の前記奥壁部（２ｃ）側に付け根部（３ａ）が接続されたリップ状のシール部（３）を備える自動車用ウェザーストリップ（１）であって、
前記取付基部（２）の車外側壁部（２ｂ）に埋設された芯材（５）の車外側に、前記シール部（３）の付け根部（３ａ）に埋入する延長部（５ａ）を突設したことを特徴とする。 The invention according to claim 2 is attached to a flange (F) provided along a peripheral corner portion of a door opening formed in a body of an automobile and is extrusion-molded. ), A vehicle outer side wall portion (2b), and a rear wall portion (2c) continuously connecting both side wall portions (2a, 2b), and is inserted from the opening side of the substantially U-shaped cross section. A mounting base (2) for sandwiching the flange (F), a core member (5) embedded along the shape of the mounting base (2), and a door panel integrally formed on the vehicle exterior side of the mounting base (2). And a lip-shaped seal portion (3) having a root portion (3a) connected to the back wall portion (2c) side of the vehicle exterior wall portion (2b) of the mounting base portion (2). A weatherstrip (1),
An extension portion (5a) embedded in the base portion (3a) of the seal portion (3) is provided on the vehicle exterior side of the core member (5) embedded in the vehicle outer side wall portion (2b) of the mounting base portion (2). It is characterized by protruding.

さらに、請求項３に記載の発明は、自動車のボディに形成されたドア開口部の周縁コーナー部に沿って設けられたフランジ（Ｆ）に取付けられるとともに押出成形されてなり、車内側壁部（２ａ）と車外側壁部（２ｂ）と両側壁部（２ａ，２ｂ）を連設する奥壁部（２ｃ）からなる断面略Ｕ字形で、その断面略Ｕ字形の開口部側から挿入される前記フランジ（Ｆ）を挟持する取付基部（２）と、前記取付基部（２）の形状に沿って埋設された芯材（５）と、前記取付基部（２）の車外側に一体成形され、ドアパネルに弾接するとともに、前記取付基部（２）の車外側壁部（２ｂ）の端部側と前記奥壁部（２ｃ）側に２つの付け根部（３ａ，３ａ）が接続され、さらに前記車外側壁部（２ｂ）に接続された２つの付け根部（３ａ，３ａ）の間に基端部（４ａ）が接続されたブリッジ（４）が架設された中空状のシール部（３）を備える自動車用ウェザーストリップ（１）であって、
前記取付基部（２）の車外側壁部（２ｂ）に埋設された芯材（５）の車外側に、前記ブリッジ（４）の基端部（４ａ）に埋入する延長部（５ａ）を突設したことを特徴とする。 Furthermore, the invention according to claim 3 is attached to a flange (F) provided along a peripheral corner portion of a door opening formed in a body of an automobile and is extruded to form an inner wall portion (2a of the vehicle). ), A vehicle outer side wall portion (2b), and a rear wall portion (2c) continuously connecting both side wall portions (2a, 2b), and is inserted from the opening side of the substantially U-shaped cross section. A mounting base (2) for sandwiching the flange (F), a core member (5) embedded along the shape of the mounting base (2), and a door panel integrally formed on the vehicle exterior side of the mounting base (2). And two base portions (3a, 3a) are connected to the end portion side of the vehicle outer wall portion (2b) and the rear wall portion (2c) side of the mounting base portion (2), and further to the vehicle outer side. Between two roots (3a, 3a) connected to the wall (2b) A end (4a) bridge is connected (4) hollow seal portion which is bridged (3) automobile weatherstrip comprising a (1),
An extension portion (5a) embedded in the base end portion (4a) of the bridge (4) is provided on the vehicle outer side of the core member (5) embedded in the vehicle outer side wall portion (2b) of the mounting base portion (2). It is characterized by protruding.

また、請求項４に記載の発明は、自動車のボディに形成されたドア開口部の周縁コーナー部に沿って設けられたフランジ（Ｆ）に取付けられるとともに押出成形されてなり、車内側壁部（２ａ）と車外側壁部（２ｂ）と両側壁部（２ａ，２ｂ）を連設する奥壁部（２ｃ）からなる断面略Ｕ字形で、その断面略Ｕ字形の開口部側から挿入される前記フランジ（Ｆ）を挟持する取付基部（２）と、前記取付基部（２）の形状に沿って埋設された芯材（５）と、前記取付基部（２）の車外側に一体成形され、ドアパネルに弾接するシール部（３）と、前記取付基部（２）の車内側壁部（２ａ）の前記奥壁部（２ｃ）側にベース部（６ａ）が接続され、車内側に向かって延びる装飾リップ（６）を備える自動車用ウェザーストリップであって、
前記取付基部（２）の車内側壁部（２ａ）に埋設された芯材（５）の車内側に、前記装飾リップ（６）のベース部（６ａ）に埋入する延長部（５ａ）を突設したことを特徴とする。 Further, the invention according to claim 4 is attached to a flange (F) provided along a peripheral corner portion of a door opening formed in a body of an automobile and is formed by extrusion, so that an inner wall portion (2a ), A vehicle outer side wall portion (2b), and a rear wall portion (2c) continuously connecting both side wall portions (2a, 2b), and is inserted from the opening side of the substantially U-shaped cross section. A mounting base (2) for sandwiching the flange (F), a core member (5) embedded along the shape of the mounting base (2), and a door panel integrally formed on the vehicle exterior side of the mounting base (2). And a decorative lip extending toward the inside of the vehicle, the base portion (6a) being connected to the back wall (2c) side of the vehicle interior side wall (2a) of the mounting base (2) An automotive weather strip comprising (6),
An extension portion (5a) embedded in the base portion (6a) of the decorative lip (6) protrudes on the inner side of the core member (5) embedded in the inner wall portion (2a) of the mounting base portion (2). It was set up.

また、請求項５に記載の発明は、自動車のボディに形成されたドア開口部の周縁コーナー部に沿って設けられたフランジ（Ｆ）に取付けられるとともに押出成形されてなり、車内側壁部（２ａ）と車外側壁部（２ｂ）と両側壁部（２ａ，２ｂ）を連設する奥壁部（２ｃ）からなる断面略Ｕ字形で、その断面略Ｕ字形の開口部側から挿入される前記フランジ（Ｆ）を挟持する取付基部（２）と、前記取付基部（２）の形状に沿って埋設された樹脂性の芯材（５）と、前記取付基部（２）の車外側に一体成形され、ドアパネルに弾接するとともに、前記取付基部（２）の車外側壁部（２ｂ）に付け根部（３ａ）が接続されたシール部（３）を備える自動車用ウェザーストリップ（１）であって、
前記取付基部（２）の車外側壁部（２ｂ）に埋設された芯材（５）の車外側に、さらに車外側に延びる延長部（５ａ）を突設し、前記延長部（５ａ）だけで前記シール部（３）の付け根部（３ａ）を形成したことを特徴とする。 The invention according to claim 5 is attached to a flange (F) provided along a peripheral corner portion of a door opening formed in a body of an automobile, and is formed by extrusion molding. ), A vehicle outer side wall portion (2b), and a rear wall portion (2c) continuously connecting both side wall portions (2a, 2b), and is inserted from the opening side of the substantially U-shaped cross section. A mounting base (2) for sandwiching the flange (F), a resinous core material (5) embedded along the shape of the mounting base (2), and an outer side of the mounting base (2) are integrally molded. An automotive weather strip (1) comprising a seal portion (3) that is elastically contacted with a door panel and has a root portion (3a) connected to a vehicle outer wall portion (2b) of the mounting base portion (2),
An extension (5a) is further provided on the outside of the core member (5) embedded in the vehicle exterior wall (2b) of the mounting base (2). The base portion (3a) of the seal portion (3) is formed.

また、請求項６に記載の発明は、自動車のボディに形成されたドア開口部の周縁コーナー部に沿って設けられたフランジ（Ｆ）に取付けられるとともに押出成形されてなり、車内側壁部（２ａ）と車外側壁部（２ｂ）と両側壁部（２ａ，２ｂ）を連設する奥壁部（２ｃ）からなる断面略Ｕ字形で、その断面略Ｕ字形の開口部側から挿入される前記フランジ（Ｆ）を挟持する取付基部（２）と、前記取付基部（２）の形状に沿って埋設された樹脂製の芯材（５）と、前記取付基部（２）の車外側に一体成形され、ドアパネルに弾接するとともに、前記取付基部（２）の車外側壁部（２ｂ）の端部側と前記奥壁部（２ｃ）側に２つの付け根部（３ａ，３ａ）が接続され、さらに前記車外側壁部（２ｂ）に接続された２つの付け根部（３ａ，３ａ）の間に基端部（４ａ）が接続されたブリッジ（４）が架設された中空状のシール部（３）を備える自動車用ウェザーストリップ（１）であって、
前記取付基部（２）の車外側壁部（２ｂ）に埋設された芯材（５）の車外側に、さらに車外側に延びる延長部（５ａ）を突設し、前記延長部（５ａ）だけで前記ブリッジ（４）の基端部（４ａ）を形成したことを特徴とする。 The invention according to claim 6 is attached to a flange (F) provided along a peripheral corner portion of a door opening formed in a body of an automobile and is formed by extrusion molding. ), A vehicle outer side wall portion (2b), and a rear wall portion (2c) continuously connecting both side wall portions (2a, 2b), and is inserted from the opening side of the substantially U-shaped cross section. A mounting base (2) for sandwiching the flange (F), a resin core (5) embedded along the shape of the mounting base (2), and an outer side of the mounting base (2) are integrally molded. And elastically contacting the door panel, two root portions (3a, 3a) are connected to the end portion side of the vehicle outer wall portion (2b) and the back wall portion (2c) side of the mounting base portion (2), Two root portions (3a, 3a) connected to the vehicle outer side wall portion (2b) A base end (4a) bridge is connected (4) automobile weather strip comprising a hollow seal portion which is bridged (3) (1) between,
An extension (5a) is further provided on the outside of the core member (5) embedded in the vehicle exterior wall (2b) of the mounting base (2). The base end (4a) of the bridge (4) is formed.

また、請求項７に記載の発明は、自動車のボディに形成されたドア開口部の周縁コーナー部に沿って設けられたフランジ（Ｆ）に取付けられるとともに押出成形されてなり、車内側壁部（２ａ）と車外側壁部（２ｂ）と両側壁部（２ａ，２ｂ）を連設する奥壁部（２ｃ）からなる断面略Ｕ字形で、その断面略Ｕ字形の開口部側から挿入される前記フランジ（Ｆ）を挟持する取付基部（２）と、前記取付基部（２）の形状に沿って埋設された樹脂製の芯材（５）と、前記取付基部（２）の車外側に一体成形され、ドアパネルに弾接するシール部（３）と、前記取付基部（２）の車内側壁部（２ａ）の前記奥壁部（２ｃ）側にベース部（６ａ）が接続され、車内側に向かって延びる装飾リップ（６）を備える自動車用ウェザーストリップであって、
前記取付基部（２）の車内側壁部（２ａ）に埋設された芯材（５）の車内側に、さらに車内側に延びる延長部（５ａ）を突設し、前記延長部（５ａ）だけで前記装飾リップ（６）のベース部（６ａ）を形成したことを特徴とする。 The invention according to claim 7 is attached to a flange (F) provided along a peripheral corner portion of a door opening formed in a body of an automobile and is extrusion-molded. ), A vehicle outer side wall portion (2b), and a rear wall portion (2c) continuously connecting both side wall portions (2a, 2b), and is inserted from the opening side of the substantially U-shaped cross section. A mounting base (2) for sandwiching the flange (F), a resin core (5) embedded along the shape of the mounting base (2), and an outer side of the mounting base (2) are integrally molded. The base portion (6a) is connected to the back wall portion (2c) side of the inner wall portion (2a) of the mounting base portion (2) and the seal portion (3) elastically contacting the door panel, toward the vehicle inner side. Automotive weatherstrip with extended decorative lip (6),
An extension portion (5a) extending further to the vehicle interior side is protruded on the vehicle inner side of the core member (5) embedded in the vehicle inner side wall portion (2a) of the mounting base portion (2), and only the extension portion (5a) is provided. A base portion (6a) of the decorative lip (6) is formed.

なお、カッコ内の記号は、図面および後述する発明を実施するための最良の形態に記載された対応要素または対応事項を示す。 Symbols in parentheses indicate corresponding elements or corresponding matters described in the drawings and the best mode for carrying out the invention described later.

本発明の請求項１に記載の発明によれば、取付基部の車外側に一体成形され、ドアパネルに弾接するとともに、取付基部の車外側壁部の端部側と奥壁部側に２つの付け根部が接続された中空状のシール部を備えるものにおいて、芯材の車外側から、シール部の２つの付け根部の一方または両方に埋入する延長部を突設したので、シール部の付け根部側の剛性が高められ、シール部全体の保形性が向上する。
よって、コーナー部において、シール部の外周側にヒケが発生するのを防止し、あるいは抑制し、また、内周側に折れ皺が発生するのを防止することができる。 According to the invention described in claim 1 of the present invention, it is integrally formed on the vehicle outer side of the mounting base, elastically contacts the door panel, and has two roots on the end side and the rear wall side of the vehicle outer side wall of the mounting base. Since the extension part embedded in one or both of the two base parts of the seal part protrudes from the vehicle exterior side of the core member in the hollow seal part to which the part is connected, the base part of the seal part The side rigidity is increased, and the shape retention of the entire seal portion is improved.
Therefore, it is possible to prevent or suppress the occurrence of sink marks on the outer peripheral side of the seal portion in the corner portion, and to prevent the occurrence of creases on the inner peripheral side.

また、請求項２に記載の発明によれば、取付基部の車外側に一体成形され、ドアパネルに弾接するとともに、取付基部の車外側壁部の奥壁部側に付け根部が接続されたリップ状のシール部を備えるものにおいて、芯材の車外側から、シール部の付け根部に埋入する延長部を突設したので、請求項１の発明と同様に、シール部の外周側にヒケが発生するのを防止あるいは抑制し、内周側に折れ皺が発生するのを防止することができる。 According to the second aspect of the present invention, the lip shape is integrally formed on the vehicle outer side of the mounting base, elastically contacts the door panel, and the base is connected to the rear wall of the vehicle outer wall of the mounting base. Since the extension part embedded in the base part of the seal part protrudes from the vehicle outer side of the core material, sink marks are generated on the outer peripheral side of the seal part. It is possible to prevent or suppress the occurrence of folds and prevent the occurrence of creases on the inner peripheral side.

さらに、請求項３に記載の発明によれば、取付基部の車外側に一体成形され、ドアパネルに弾接するとともに、取付基部の車外側壁部の端部側と奥壁部側に２つの付け根部が接続され、さらに車外側壁部に接続された２つの付け根部の間に基端部が接続されたブリッジが架設された中空状のシール部を備えるものにおいて、芯材の車外側から、ブリッジの基端部に埋入する延長部を突設したので、請求項１の発明と同様に、外周側にヒケが発生するのを防止あるいは抑制し、内周側に折れ皺が発生するのを防止することができる。
これは、ブリッジの基端部に芯材の延長部を埋入させたことにより、ブリッジの剛性が高められ、これによりシール部全体の剛性および保形性が高められることによるものである。 Further, according to the invention described in claim 3, while being integrally formed on the vehicle outer side of the mounting base and elastically contacting the door panel, two root portions are provided on the end side and the back wall side of the vehicle outer side wall of the mounting base. And a hollow seal portion in which a bridge having a base end connected between two base portions connected to the outer wall portion of the vehicle is provided. Since the extension part to be embedded in the base end part of this is protruded, it is possible to prevent or suppress the occurrence of sink marks on the outer peripheral side as in the first aspect of the invention. Can be prevented.
This is because the extension of the core material is embedded in the base end portion of the bridge, thereby increasing the rigidity of the bridge, thereby increasing the rigidity and shape retention of the entire seal portion.

また、請求項４に記載の発明によれば、取付基部の車内側壁部の奥壁部側にベース部が接続され、車内側に向かって延びる装飾リップを備えるものにおいて、芯材の車内側から、装飾リップのベース部に埋入する延長部を突設したので、装飾リップの外周側にヒケが発生するのを防止または抑制し、内周側に折れ皺が発生するのを防止することができる。
これは、装飾リップのベース部に芯材の延長部を埋入させたことにより、ベース部の剛性が高められ、保形性が向上することによるものである。 According to the invention of claim 4, the base portion is connected to the back wall portion side of the vehicle interior side wall portion of the mounting base portion and includes the decorative lip extending toward the vehicle interior side. Since the extension part embedded in the base part of the decorative lip protrudes, it is possible to prevent or suppress the occurrence of sink marks on the outer peripheral side of the decorative lip and to prevent the occurrence of creases on the inner peripheral side. it can.
This is because the extension of the core material is embedded in the base portion of the decorative lip, thereby increasing the rigidity of the base portion and improving the shape retention.

また、請求項５に記載の発明によれば、芯材を樹脂製としたので、金属製の芯材を埋設する場合と比較して軽量化が図れる。また、芯材の車外側に突設した延長部だけでシール部の付け根部を形成したので、付け根部にソリッドゴムなどのゴム材は不要になるとともに、シール部の付け根部側の剛性が請求項１，２に記載の発明と比較して一層高められ、シール部全体の剛性および保形性が向上する。 Further, according to the invention described in claim 5, since the core material is made of resin, the weight can be reduced as compared with the case where a metal core material is embedded. In addition, since the base part of the seal part is formed only by the extension part protruding from the outside of the core material, no rubber material such as solid rubber is required at the base part, and the rigidity of the base part side of the seal part is required. In comparison with the inventions described in Items 1 and 2, the rigidity and shape retention of the entire seal portion are improved.

また、請求項６に記載の発明によれば、芯材を樹脂製としたので、金属製の芯材を埋設する場合と比較して軽量化が図れる。また、芯材の車外側に突設した延長部だけで中空状のシール部に架設されたブリッジの基端部を形成したので、基端部にソリッドゴムなどのゴム材は不要になるとともに、ブリッジの剛性が請求項３に記載の発明と比較して一層高められ、シール部全体の剛性および保形性が向上する。 According to the invention described in claim 6, since the core material is made of resin, the weight can be reduced as compared with the case where a metal core material is embedded. In addition, since the base end portion of the bridge erected on the hollow seal portion is formed only by the extension portion protruding from the outer side of the core material, a rubber material such as solid rubber becomes unnecessary at the base end portion, The rigidity of the bridge is further increased as compared with the invention described in claim 3, and the rigidity and shape retention of the entire seal portion are improved.

また、請求項７に記載の発明によれば、芯材を樹脂製としたので、金属製の芯材を埋設する場合と比較して軽量化が図れる。また、芯材の車内側に突設した延長部だけで装飾リップのベース部を形成したので、ベース部にソリッドゴムなどのゴム材は不要になるとともに、装飾リップの剛性が請求項４に記載の発明と比較して一層高められ、シール部全体の剛性および保形性が向上する。 Further, according to the seventh aspect of the invention, since the core material is made of resin, the weight can be reduced as compared with the case where a metal core material is embedded. Further, since the base portion of the decorative lip is formed only by the extension portion protruding from the inner side of the core material, a rubber material such as solid rubber is not required for the base portion, and the rigidity of the decorative lip is described in claim 4. Compared with the present invention, the rigidity and shape retention of the entire seal portion are improved.

（第一実施形態）
図１乃至図３を参照して、本発明の第一実施形態に係る自動車用ウェザーストリップ１について説明する。図１は、本発明の第一実施形態に係る自動車用ウェザーストリップ１のコーナー部を示す斜視図であり（図１３のＡ部に相当する）、図２はその断面拡大図である。また、図３は、ウェザーストリップ１に埋設した芯材５を示す一部斜視図である。 (First embodiment)
With reference to FIG. 1 thru | or FIG. 3, the weather strip 1 for motor vehicles which concerns on 1st embodiment of this invention is demonstrated. FIG. 1 is a perspective view showing a corner portion of an automotive weather strip 1 according to the first embodiment of the present invention (corresponding to portion A in FIG. 13), and FIG. 2 is an enlarged cross-sectional view thereof. FIG. 3 is a partial perspective view showing the core material 5 embedded in the weather strip 1.

この自動車用ウェザーストリップ１は、その全長が押出成形によって形成され、自動車のボディに形成されたドア開口部の周縁部のコーナー部に沿って設けられたフランジＦに取付けられるものであり、取付基部２、シール部３、芯材５および装飾リップ６を備えている。 The automobile weather strip 1 is formed by extrusion molding and is attached to a flange F provided along a corner portion of a peripheral edge of a door opening formed in the body of the automobile. 2, a seal portion 3, a core material 5 and a decorative lip 6 are provided.

取付基部２は、車内側壁部２ａと車外側壁部２ｂと両側壁部２ａ，２ｂを連設する奥壁部２ｃからなる断面略Ｕ字形で、その断面略Ｕ字形の開口部側から挿入されるフランジＦを挟持して組付くもので、ソリッドゴムで形成されている。 The mounting base portion 2 has a substantially U-shaped cross section composed of a vehicle inner side wall portion 2a, a vehicle outer side wall portion 2b, and a back wall portion 2c continuously connecting both side wall portions 2a, 2b, and is inserted from the opening side of the substantially U-shaped cross section. The flange F is sandwiched and assembled, and is formed of solid rubber.

シール部３は、取付基部２の車外側に一体成形され、ドアパネルに弾接するとともに、取付基部２の車外側壁部２ｂの端部側（コーナー部において外周側）と奥壁部２ｃ側（コーナー部において内周側）に２つの付け根部３ａ，３ａが接続された中空状であり、スポンジゴムで形成されている。 The seal portion 3 is integrally formed on the vehicle exterior side of the mounting base portion 2 and elastically contacts the door panel. At the same time, the end portion side (outer peripheral side of the corner portion) of the mounting base portion 2 and the back wall portion 2c side (corner side). It is a hollow shape in which two root portions 3a, 3a are connected to the inner peripheral side), and is formed of sponge rubber.

また、芯材５は、取付基部２の形状に沿って埋設されるもので断面略Ｕ字形であり、図３に示すように、多数のＵ字状部５ｂをスリット部分５ｄに設けた連結部５ｃで連結した、いわゆるフィッシュボーンタイプである。
なお、この芯材５は、図４に示すように、スリット部分を設けないタイプを使用することができる。この場合は、図３に示されるような、一箇所又は数箇所が連結部５ｃで連結された芯材や、多数のＵ字状部５ｂが連結部５ｃで連結されておらず、これら芯材５が、芯材５よりも低い剛性の柔軟性に富んだ材料で被覆され、表面の凹凸をなくしたものが含まれる。また、フィッシュボーンタイプの各Ｕ字状部５ｂをウェザーストリップ１を押出成形した後に取付基部２の内部で分離，独立させたタイプのもの（図示せず）を使用することもできる。また、この芯材５は、ウェザーストリップ１に使用される材料よりも硬度の高い樹脂製であるが、これに代えて金属製とすることもできる。こうした各種タイプの芯材は、以下の実施形態においても同様に適用することができる。 The core member 5 is embedded along the shape of the mounting base 2 and has a substantially U-shaped cross section. As shown in FIG. 3, a connecting portion in which a number of U-shaped portions 5b are provided in the slit portion 5d. It is a so-called fishbone type connected by 5c.
In addition, as shown in FIG. 4, this core material 5 can use the type which does not provide a slit part. In this case, as shown in FIG. 3, a core material in which one or several places are connected by the connecting portion 5c, or a large number of U-shaped portions 5b are not connected by the connecting portion 5c. 5 is coated with a material that is lower in rigidity than the core material 5 and has a high degree of flexibility, and the surface unevenness is eliminated. It is also possible to use a type (not shown) in which each U-shaped portion 5b of the fishbone type is separated and made independent inside the mounting base 2 after the weather strip 1 is extruded. The core material 5 is made of a resin having a hardness higher than that of the material used for the weather strip 1, but may be made of metal instead. These various types of core materials can be similarly applied to the following embodiments.

また、装飾リップ６は、取付基部２の車内側壁部２ａの奥壁部２ｃ側（コーナー部において内周側）から突設され、その先端部が装飾材に当接するもので、取付基部２と同じソリッドゴムで形成されている。 The decorative lip 6 protrudes from the rear wall 2c side (inner corner side in the corner portion) of the vehicle interior side wall 2a of the mounting base 2, and the tip thereof abuts the decorative material. It is made of the same solid rubber.

また、取付基部２の車外側壁部２ｂには、複数、ここでは３つの突部（小突起）８をフランジＦ側へ設け、車内側壁部２ａの端部からは奥壁部２ｃ側に向かって斜めに延びる組付リップ７を設けている。これにより、フランジＦへの組付きを強固なものとしている。 In addition, a plurality of, in this case, three protrusions (small protrusions) 8 are provided on the flange F side on the vehicle outer wall 2b of the mounting base 2, and the end of the vehicle inner wall 2a faces the rear wall 2c. An assembly lip 7 extending obliquely is provided. Thereby, the assembly | attachment to the flange F is made strong.

そして、芯材５の車外側に、シール部３の付け根部３ａの一方に埋入する延長部５ａを突設している。
この延長部５ａは、芯材５の他の部分より細く設定し、シール部３の付け根部３ａに完全に埋入させている。
これにより、延長部５ａが露出して外観性が低下するのを防止している。延長部５ａの長さは限定されないが、シール部３のシール性が低下しない範囲で自在に設定することができる。なお、シール部３の二つの付け根部３ａは、共に、取付基部２から連続して、取付基部２と同じソリッドゴムで形成している。 And the extension part 5a embedded in one side of the base part 3a of the seal | sticker part 3 is protrudingly provided in the vehicle outer side of the core material 5. As shown in FIG.
The extension portion 5 a is set to be thinner than the other portions of the core material 5 and is completely embedded in the base portion 3 a of the seal portion 3.
This prevents the extension 5a from being exposed and the appearance from being deteriorated. Although the length of the extension part 5a is not limited, it can be freely set as long as the sealing performance of the seal part 3 does not deteriorate. Note that the two base portions 3 a of the seal portion 3 are both formed from the same solid rubber as the mounting base 2 continuously from the mounting base 2.

以上のように構成された自動車用ウェザーストリップ１によれば、中空状のシール部３の一方の付け根部３ａに芯材５の延長部５ａを埋入しているので、その付け根部３ａの剛性を高め、これにより、シール部３全体の保形性を高めることができる。
従って、コーナー部において、シール部３の外周側に発生するヒケＳを大幅に抑制することができる。
図１において、符号ｍはヒケの量を示す。このヒケの量ｍは、図１４に示す従来技術におけるヒケの量Ｍと比較して、顕著に小さく、ヒケＳの発生が抑制されていることが分かる。また、シール部３の内周側に折れ皺Ｗが発生することも防止することができる。 According to the weather strip 1 for an automobile configured as described above, the extension portion 5a of the core material 5 is embedded in one of the root portions 3a of the hollow seal portion 3, so that the rigidity of the root portion 3a is increased. Thus, the shape retention of the entire seal portion 3 can be improved.
Therefore, sink S generated on the outer peripheral side of the seal portion 3 can be significantly suppressed at the corner portion.
In FIG. 1, the symbol m indicates the amount of sink. The amount of sink m is significantly smaller than the amount of sink M in the prior art shown in FIG. 14, and it can be seen that the occurrence of sink S is suppressed. In addition, it is possible to prevent the wrinkle W from being generated on the inner peripheral side of the seal portion 3.

（第二実施形態）
次に図５を参照して、本発明の第二実施形態に係る自動車用ウェザーストリップ１について説明する。図５はウェザーストリップ１の要部を示す断面図である。
このウェザーストリップ１の特徴は、上記第一実施形態の形状に加えて、芯材５の車外側壁部２ｂの奥壁部２ｃ側（コーナー部において内周側）からも、シール部３の他方側の付け根部３ａに埋入する延長部５ａを突設していることである。つまり、芯材５の車外側に、シール部３の２つの付け根部３ａ，３ａの両方にそれぞれ埋入する２つの延長部５ａ，５ａを突設している。 (Second embodiment)
Next, with reference to FIG. 5, the weather strip 1 for motor vehicles based on 2nd embodiment of this invention is demonstrated. FIG. 5 is a cross-sectional view showing a main part of the weather strip 1.
In addition to the shape of the first embodiment, the weather strip 1 is also characterized by the other side of the seal portion 3 from the back wall portion 2c side (the inner peripheral side in the corner portion) of the vehicle outer wall portion 2b of the core member 5. That is, the extended portion 5a to be embedded in the base portion 3a on the side protrudes. That is, two extension portions 5 a and 5 a that are embedded in both of the two base portions 3 a and 3 a of the seal portion 3 are provided on the vehicle outer side of the core member 5.

この延長部５ａは、芯材５の他の部分よりも細く設定し、付け根部３ａに完全に埋入させている。これにより、延長部５ａの露出を防止し、外観性を良好に保っている。また、延長部５ａの長さは、シール部３のシール性が低下しない範囲で自在に設定することができる。
なお、２つの付け根部３ａ，３ａは、取付基部２から連続して、取付基部２と同じソリッドゴムで形成している。 The extension portion 5a is set to be thinner than the other portions of the core material 5 and is completely embedded in the base portion 3a. Thereby, the extension part 5a is prevented from being exposed and the appearance is kept good. Moreover, the length of the extension part 5a can be freely set as long as the sealing performance of the seal part 3 does not deteriorate.
The two base portions 3 a and 3 a are formed from the same solid rubber as the mounting base 2 continuously from the mounting base 2.

このウェザーストリップ１は、２つの付け根部３ａ，３ａのそれぞれに芯材５の延長部５ａ，５ａを埋入しているので、シール部３の剛性および保形性をさらに高めることができる。これにより、シール部３のコーナー部における外周側に発生するヒケＳをさらに効果的に抑制することができ、コーナー部における内周側に折れ皺Ｗが発生するのを、より効果的に防止することができる。 Since the weather strip 1 has the extension portions 5a and 5a of the core member 5 embedded in the two base portions 3a and 3a, the rigidity and shape retention of the seal portion 3 can be further improved. Thereby, sink marks S generated on the outer peripheral side in the corner portion of the seal portion 3 can be further effectively suppressed, and the occurrence of folds W on the inner peripheral side in the corner portion is more effectively prevented. be able to.

（第三実施形態）
次に図６を参照して、本発明の第三実施形態に係る自動車用ウェザーストリップ１について説明する。図６はウェザーストリップ１の要部を示す断面図である。
このウェザーストリップ１の特徴は、取付基部２の車外側に一体成形され、ドアパネルに弾接するとともに、取付基部２の車外側壁部２ｂの奥壁部２ｃ側（コーナー部において内周側）に付け根部３ａが接続されたリップ状のシール部３を備えており、取付基部２の車外側壁部２ｂに埋設された芯材５の車外側に、シール部３の付け根部３ａに埋入する延長部５ａを突設していることである。
この延長部５ａは先細り状として、付け根部３ａに完全に埋入させており、これにより延長部５ａの露出を防止し、外観性を良好なものとしている。 (Third embodiment)
Next, with reference to FIG. 6, the weather strip 1 for motor vehicles based on 3rd embodiment of this invention is demonstrated. FIG. 6 is a cross-sectional view showing a main part of the weather strip 1.
The weather strip 1 is characterized by being integrally formed on the vehicle exterior side of the mounting base 2 and elastically contacting the door panel, and at the root of the rear wall portion 2c of the vehicle exterior wall 2b of the mounting base 2 (inner corner side at the corner). The lip-shaped seal portion 3 to which the portion 3a is connected is provided, and the extension is embedded in the base portion 3a of the seal portion 3 on the vehicle outer side of the core member 5 embedded in the vehicle outer side wall portion 2b of the mounting base portion 2. That is, the portion 5a is provided in a protruding manner.
The extension portion 5a is tapered and completely embedded in the base portion 3a, thereby preventing the extension portion 5a from being exposed and improving the appearance.

この延長部５ａの長さは、シール部３のシール性が低下しない範囲で自在に設定することができる。なお、シール部３の付け根部３ａは、取付基部２から連続して、取付基部２と同じソリッドゴムで形成している。 The length of the extension portion 5a can be freely set as long as the sealing performance of the seal portion 3 does not deteriorate. The base portion 3 a of the seal portion 3 is formed of the same solid rubber as the mounting base portion 2 continuously from the mounting base portion 2.

これにより、シール部３の剛性を高めて、その保形性を向上させることができ、シール部３の外周側に発生するヒケＳを抑制し、また、内周側に折れ皺Ｗが発生するのを防止することができる。 As a result, the rigidity of the seal portion 3 can be increased and its shape retention can be improved, sink marks S occurring on the outer peripheral side of the seal portion 3 can be suppressed, and folds W can be generated on the inner peripheral side. Can be prevented.

（第四実施形態）
次に図７を参照して、本発明の第四実施形態に係る自動車用ウェザーストリップ１について説明する。図７はウェザーストリップ１の要部を示す断面図である。
このウェザーストリップ１の特徴は、取付基部２の車外側に一体成形され、ドアパネルに弾接するとともに、取付基部２の車外側壁部２ｂの端部側と奥壁部２ｃ側に２つの付け根部３ａ，３ａが接続され、さらに車外側壁部２ｂに接続された２つの付け根部３ａ，３ａの間に基端部４ａが接続され、シール部３を二分割するブリッジ４が架設された中空状のシール部３を備えており、芯材５の車外側から、ブリッジ４の基端部４ａに埋入する延長部５ａを突設したことである。
この基端部４ａは、取付基部２から連続して、取付基部２と同じソリッドゴムで形成している。 (Fourth embodiment)
Next, with reference to FIG. 7, the automotive weather strip 1 which concerns on 4th embodiment of this invention is demonstrated. FIG. 7 is a cross-sectional view showing the main part of the weather strip 1.
The weather strip 1 is characterized by being integrally formed on the vehicle outer side of the mounting base 2 and elastically contacting the door panel, and two root portions 3a on the side of the vehicle outer wall 2b and the back wall 2c of the mounting base 2. , 3a are connected, and a base end portion 4a is connected between two root portions 3a, 3a connected to the vehicle outer side wall portion 2b, and a bridge 4 that bisects the seal portion 3 is installed in a hollow shape. The seal portion 3 is provided, and an extension portion 5 a that is embedded in the base end portion 4 a of the bridge 4 is provided so as to protrude from the vehicle outer side of the core material 5.
The base end portion 4 a is formed of the same solid rubber as the mounting base portion 2 continuously from the mounting base portion 2.

このブリッジ４の基端部４ａに芯材５の延長部５ａを埋入させたことによって、ブリッジ４の剛性を高め、これによってシール部３全体の剛性および保形性を高めることができる。
これにより、シール部３の外周側に発生するヒケＳを抑制し、また、内周側に折れ皺Ｗが発生するのを防止することができる。なお、延長部５ａの長さは、シール部３のシール性が低下しない範囲で自在に設定することができる。本実施形態では、ブリッジ４のほぼ中間まで達する長さに設定している。 By embedding the extended portion 5a of the core material 5 in the base end portion 4a of the bridge 4, the rigidity of the bridge 4 can be increased, and thereby the rigidity and shape retention of the entire seal portion 3 can be increased.
Thereby, sink S which generate | occur | produces on the outer peripheral side of the seal | sticker part 3 can be suppressed, and it can prevent that the wrinkles W generate | occur | produce on the inner peripheral side. In addition, the length of the extension part 5a can be freely set as long as the sealing performance of the seal part 3 does not deteriorate. In the present embodiment, the length is set to reach almost the middle of the bridge 4.

なお、芯材５の延長部５ａを、シール部３の２つの付け根部３ａ，３ａにも埋入させることができる。この場合、シール部３の剛性および保形性をさらに高めることができるので、ヒケＳの発生をさらに効果的に抑制し、折れ皺Ｗの発生を確実に防止することができる。 In addition, the extension part 5a of the core material 5 can be embedded also in the two base parts 3a and 3a of the seal part 3. In this case, since the rigidity and shape retaining property of the seal portion 3 can be further improved, the occurrence of sink S can be further effectively suppressed, and the occurrence of creases W can be reliably prevented.

（第五実施形態）
次に図８を参照して、本発明の第五実施形態に係る自動車用ウェザーストリップ１について説明する。図８はウェザーストリップ１の要部を示す断面図である。
このウェザーストリップ１の特徴は、取付基部２の車内側壁部２ａの奥壁部２ｃ側にベース部６ａが接続され、車内側に向かって延びる装飾リップ６を備えており、取付基部２の車内側壁部２ａに埋設された芯材５の車内側に、装飾リップ６のベース部６ａに埋入する延長部５ａを突設したことである。
このベース部６ａは、装飾リップ６に完全に埋入させており、これにより、ベース部６ａが露出して外観性が低下するのを防止している。延長部５ａの長さは限定されないが、装飾リップ５にヒケＳや折れ皺Ｗを発生させない範囲で自在に設定することができる。本実施形態では、装飾リップ５の約１／３まで達する長さに設定している。なお、装飾リップ６は、取付基部２と同じソリッドゴムで形成している。 (Fifth embodiment)
Next, an automotive weather strip 1 according to a fifth embodiment of the present invention will be described with reference to FIG. FIG. 8 is a cross-sectional view showing the main part of the weather strip 1.
The weather strip 1 is characterized in that a base portion 6a is connected to the back wall portion 2c side of the vehicle interior side wall portion 2a of the mounting base portion 2 and includes a decorative lip 6 extending toward the vehicle interior side. That is, an extension portion 5 a that is embedded in the base portion 6 a of the decorative lip 6 protrudes from the inner side of the core member 5 embedded in the portion 2 a.
The base portion 6a is completely embedded in the decorative lip 6, thereby preventing the appearance of the base portion 6a from being deteriorated. The length of the extension 5a is not limited, but can be freely set within a range that does not generate sink marks S or broken wrinkles W on the decorative lip 5. In the present embodiment, the length is set to reach about 1/3 of the decorative lip 5. The decorative lip 6 is made of the same solid rubber as the mounting base 2.

これにより、装飾リップ６の剛性および保形性を高めることができ、よって、装飾リップ６の外周側に発生するヒケＳを抑制し、また、内周側に折れ皺Ｗが発生するのを防止することができる。 As a result, the rigidity and shape retention of the decorative lip 6 can be improved, so that the sink marks S generated on the outer peripheral side of the decorative lip 6 are suppressed, and the occurrence of creases W on the inner peripheral side is prevented. can do.

（第六実施形態）
次に図９乃至図１２を参照して、本発明の第六実施形態に係る自動車用ウェザーストリップ１について説明する。図９乃至図１２はウェザーストリップ１の要部を示す断面図である。
第一実施形態乃至第五実施形態では、延長部５ａを、芯材５の他の部分よりも細く設定し、シール部３の付け根部３ａ，ブリッジ４の基端部４ａ，あるいは、装飾リップ６のベース部６ａに完全に埋入させ、これにより、延長部５ａの露出を防止するようにしたものであるが、第六実施形態では、図９及び図１０に示すように、延長部５ａだけでシール部３の付け根部３ａを形成したり、図１１に示すように、延長部５ａだけで中空状のシール部３を２分割するブリッジ４の基端部４ａを形成したり、あるいは、図１２に示すように、延長部５ａだけで装飾リップ６のベース部６ａを形成したものである。 (Sixth embodiment)
Next, with reference to FIG. 9 thru | or FIG. 12, the weather strip 1 for motor vehicles based on 6th embodiment of this invention is demonstrated. 9 to 12 are cross-sectional views showing the main part of the weather strip 1.
In the first to fifth embodiments, the extension portion 5a is set to be thinner than the other portions of the core material 5, and the base portion 3a of the seal portion 3, the base end portion 4a of the bridge 4, or the decorative lip 6 In the sixth embodiment, as shown in FIGS. 9 and 10, only the extension portion 5a is embedded in the base portion 6a. The base portion 3a of the seal portion 3 is formed, or as shown in FIG. 11, the base end portion 4a of the bridge 4 that divides the hollow seal portion 3 into two portions by only the extension portion 5a is formed, or FIG. As shown in FIG. 12, the base portion 6a of the decorative lip 6 is formed only by the extension portion 5a.

これによれば、芯材５に突設した延長部５ａだけでシール部３の付け根部３ａ，ブリッジ４の基端部４ａ，あるいは、装飾リップ６のベース部６ａを形成したので、付け根部３ａ，基端部４ａ，ベース部６ａにソリッドゴムなどのゴム材は不要になるとともに、シール部３の付け根部３ａ側の剛性，ブリッジ４の基端部４ａ側の剛性，あるいは、装飾リップ６のベース部６ａ側の剛性が一層高められ、シール部全体の剛性および保形性が向上する。 According to this, since the base portion 3a of the seal portion 3, the base end portion 4a of the bridge 4 or the base portion 6a of the decorative lip 6 is formed only by the extension portion 5a protruding from the core member 5, the base portion 3a. , The base end portion 4a and the base portion 6a do not require a rubber material such as solid rubber, and the rigidity of the base portion 3a side of the seal portion 3, the rigidity of the base end portion 4a side of the bridge 4, or the decorative lip 6 The rigidity on the base part 6a side is further increased, and the rigidity and shape retention of the entire seal part are improved.

本発明の第一実施形態に係るウェザーストリップを示すもので、図１３のＡ部における要部斜視図である。The weather strip which concerns on 1st embodiment of this invention is shown, and is the principal part perspective view in the A section of FIG. 図１の要部拡大断面図である。It is a principal part expanded sectional view of FIG. 図１に示すウェザーストリップに埋設した芯材を示す一部斜視図である。It is a partial perspective view which shows the core material embed | buried under the weather strip shown in FIG. 芯材の他の態様を示す一部斜視図である。It is a partial perspective view which shows the other aspect of a core material. 本発明の第二実施形態に係るウェザーストリップの要部を示す断面図である。It is sectional drawing which shows the principal part of the weather strip which concerns on 2nd embodiment of this invention. 本発明の第三実施形態に係るウェザーストリップの要部を示す断面図である。It is sectional drawing which shows the principal part of the weather strip which concerns on 3rd embodiment of this invention. 本発明の第四実施形態に係るウェザーストリップの要部を示す断面図である。It is sectional drawing which shows the principal part of the weather strip which concerns on 4th embodiment of this invention. 本発明の第五実施形態に係るウェザーストリップの要部を示す断面図である。It is sectional drawing which shows the principal part of the weather strip which concerns on 5th embodiment of this invention. 本発明の第六実施形態に係るウェザーストリップの要部を示す断面図である。It is sectional drawing which shows the principal part of the weather strip which concerns on 6th embodiment of this invention. 本発明の第六実施形態に係る別のウェザーストリップの要部を示す断面図である。It is sectional drawing which shows the principal part of another weather strip which concerns on 6th embodiment of this invention. 本発明の第六実施形態に係る別のウェザーストリップの要部を示す断面図である。It is sectional drawing which shows the principal part of another weather strip which concerns on 6th embodiment of this invention. 本発明の第六実施形態に係る別のウェザーストリップの要部を示す断面図である。It is sectional drawing which shows the principal part of another weather strip which concerns on 6th embodiment of this invention. ウェザーストリップを取付けた自動車を示す側面図である。It is a side view which shows the motor vehicle which attached the weather strip. 従来例に係るウェザーストリップを示すもので、図１３のＡ部における要部斜視図である。FIG. 14 shows a weather strip according to a conventional example, and is a perspective view of a main part in part A of FIG. 13. 図１４に示すウェザーストリップに埋設した芯材を示す一部斜視図である。It is a partial perspective view which shows the core material embed | buried under the weather strip shown in FIG.

Explanation of symbols

１ウェザーストリップ
２取付基部
２ａ車内側壁部
２ｂ車外側壁部
２ｃ奥壁部
３シール部
３ａ付け根部
４ブリッジ
４ａ基端部
５芯材
５ａ延長部
５ｂＵ字状部
５ｃ連結部
５ｄスリット部分
６装飾リップ
６ａベース部
７組付リップ
８突部
１０ウェザーストリップ
１１芯材
Ｆフランジ
Ｍヒケの量
ｍヒケの量
Ｓヒケ
Ｗ折れ皺 DESCRIPTION OF SYMBOLS 1 Weather strip 2 Mounting base part 2a Car inner side wall part 2b Car outer side wall part 2c Back wall part 3 Seal part 3a Base part 4 Bridge 4a Base end part 5 Core material 5a Extension part 5b U-shaped part 5c Connection part 5d Slit part 6 Decoration Lip 6a Base part 7 Assembly lip 8 Protrusion part 10 Weather strip 11 Core material F Flange M Sink amount m Sink amount S Sink W Wrinkle

Claims

It is attached to the flange provided along the peripheral corner of the door opening formed in the body of the automobile and is extruded,
A mounting base that sandwiches the flange inserted from the opening side of the substantially U-shaped cross section, with a substantially U-shaped cross section consisting of an inner wall portion, a vehicle outer wall portion, and a back wall portion continuously connecting both side wall portions;
A core material embedded along the shape of the mounting base;
A hollow seal portion integrally formed on the vehicle outer side of the mounting base and elastically contacting the door panel, and having two roots connected to an end portion side of the vehicle outer wall portion and the rear wall portion side of the mounting base portion. An automotive weatherstrip comprising:
A weather strip for automobiles, wherein an extension portion embedded in one or both of the two base portions of the seal portion is provided on the vehicle exterior side of the core member embedded in the vehicle exterior wall portion of the mounting base portion. .

It is attached to the flange provided along the peripheral corner of the door opening formed in the body of the automobile and is extruded,
A mounting base that sandwiches the flange inserted from the opening side of the substantially U-shaped cross section, with a substantially U-shaped cross section consisting of an inner wall portion, a vehicle outer wall portion, and a back wall portion continuously connecting both side wall portions;
A core material embedded along the shape of the mounting base;
An automotive weather strip that is integrally formed on the vehicle exterior side of the mounting base, elastically contacts the door panel, and includes a lip-shaped seal portion that is connected to the back wall of the vehicle exterior wall of the mounting base. There,
An automobile weather strip characterized in that an extension portion embedded in the base portion of the seal portion is provided on the vehicle exterior side of the core member embedded in the vehicle exterior wall portion of the mounting base portion.

It is attached to the flange provided along the peripheral corner of the door opening formed in the body of the automobile and is extruded,
A mounting base that sandwiches the flange inserted from the opening side of the substantially U-shaped cross section, with a substantially U-shaped cross section consisting of an inner wall portion, a vehicle outer wall portion, and a back wall portion continuously connecting both side wall portions;
A core material embedded along the shape of the mounting base;
It is integrally formed on the vehicle outer side of the mounting base and elastically contacts the door panel, and two roots are connected to the end side of the vehicle outer wall and the rear wall of the mounting base, and the vehicle outer wall A weather strip for an automobile comprising a hollow seal portion in which a bridge having a base end connected between two root portions connected to each other is installed;
An automobile weather strip characterized in that an extension portion embedded in a base end portion of the bridge is projected on the vehicle outer side of a core member embedded in a vehicle outer side wall portion of the mounting base portion.

It is attached to the flange provided along the peripheral corner of the door opening formed in the body of the automobile and is extruded,
A mounting base that sandwiches the flange inserted from the opening side of the substantially U-shaped cross section, with a substantially U-shaped cross section consisting of an inner wall portion, a vehicle outer wall portion, and a back wall portion continuously connecting both side wall portions;
A core material embedded along the shape of the mounting base;
A seal part that is integrally molded on the vehicle exterior side of the mounting base and elastically contacts the door panel;
A weather strip for an automobile comprising a base lip connected to the inner wall side of the mounting base portion on the back wall portion side and having a decorative lip extending toward the inside of the vehicle,
A weather strip for automobiles, wherein an extension portion that is embedded in the base portion of the decorative lip is provided on the inner side of the core member embedded in the inner wall portion of the mounting base.

It is attached to the flange provided along the peripheral corner of the door opening formed in the body of the automobile and is extruded,
A mounting base that sandwiches the flange inserted from the opening side of the substantially U-shaped cross section, with a substantially U-shaped cross section consisting of an inner wall portion, a vehicle outer wall portion, and a back wall portion continuously connecting both side wall portions;
A resinous core material embedded along the shape of the mounting base;
An automotive weather strip that is integrally formed on the vehicle exterior side of the mounting base, elastically contacts the door panel, and includes a seal portion with a root portion connected to the vehicle outer wall of the mounting base,
An extension portion extending further to the vehicle exterior side is projected on the vehicle exterior side of the core member embedded in the vehicle exterior wall portion of the mounting base portion, and the base portion of the seal portion is formed only by the extension portion. Weather strip for automobiles.

It is attached to the flange provided along the peripheral corner of the door opening formed in the body of the automobile and is extruded,
A mounting base that sandwiches the flange inserted from the opening side of the substantially U-shaped cross section, with a substantially U-shaped cross section consisting of an inner wall portion, a vehicle outer wall portion, and a back wall portion continuously connecting both side wall portions;
A resinous core material embedded along the shape of the mounting base;
It is integrally formed on the vehicle outer side of the mounting base and elastically contacts the door panel, and two roots are connected to the end side of the vehicle outer wall and the rear wall of the mounting base, and the vehicle outer wall A weather strip for an automobile comprising a hollow seal portion in which a bridge having a base end connected between two root portions connected to each other is installed;
An extension extending further to the vehicle exterior is provided on the vehicle exterior of the core material embedded in the vehicle exterior wall of the mounting base, and the base end of the bridge is formed only by the extension. Weather strip for automobiles.

It is attached to the flange provided along the peripheral corner of the door opening formed in the body of the automobile and is extruded,
A mounting base that sandwiches the flange inserted from the opening side of the substantially U-shaped cross section, with a substantially U-shaped cross section consisting of an inner wall portion, a vehicle outer wall portion, and a back wall portion continuously connecting both side wall portions;
A resinous core material embedded along the shape of the mounting base;
A seal part that is integrally molded on the vehicle exterior side of the mounting base and elastically contacts the door panel;
A weather strip for an automobile comprising a base lip connected to the inner wall side of the mounting base portion on the back wall portion side and having a decorative lip extending toward the inside of the vehicle,
An automobile characterized in that an extension portion extending further toward the vehicle interior is provided on the vehicle interior side of the core member embedded in the vehicle interior side wall portion of the mounting base, and the base portion of the decorative lip is formed only by the extension portion. Weather strip.