JP2015147522A - Weather strip attached to vehicle hood - Google Patents

Weather strip attached to vehicle hood Download PDF

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Publication number
JP2015147522A
JP2015147522A JP2014021989A JP2014021989A JP2015147522A JP 2015147522 A JP2015147522 A JP 2015147522A JP 2014021989 A JP2014021989 A JP 2014021989A JP 2014021989 A JP2014021989 A JP 2014021989A JP 2015147522 A JP2015147522 A JP 2015147522A
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weather strip
hollow seal
side portion
seal body
hood
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JP2014021989A
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JP5988315B2 (en
Inventor
孝昌 青木
Takamasa Aoki
孝昌 青木
竜也 宮下
Tatsuya Miyashita
竜也 宮下
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Honda Motor Co Ltd
Tokai Kogyo Co Ltd
Kasei Kogyo Co Ltd
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Honda Motor Co Ltd
Tokai Kogyo Co Ltd
Kasei Kogyo Co Ltd
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Application filed by Honda Motor Co Ltd, Tokai Kogyo Co Ltd, Kasei Kogyo Co Ltd filed Critical Honda Motor Co Ltd
Priority to JP2014021989A priority Critical patent/JP5988315B2/en
Priority to CN201410720524.8A priority patent/CN104827982B/en
Publication of JP2015147522A publication Critical patent/JP2015147522A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/06—Sealing strips

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Seal Device For Vehicle (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a weather strip which is attached to the rear face of an engine hood in an opening of the engine hood of a vehicle or the like, and reduces air resistance during travelling of the vehicle or the like, and in which waterproof and dust-proof functions are improved.SOLUTION: A weather strip 9 is constituted of a hollow seal body which has an approximately inverted triangular shape as a whole and is formed of: a bottom part 9A attached to the rear face 8a of an engine hood; a first side part 9B which comes in contact with a vehicle body 11 with one end P5 of the bottom part 9A as a base point; a second side part 9C which comes in contact with the vehicle 11 with the other end P6 of the bottom part 9A as a base point; and a bridge part 9D which is installed substantially in parallel with a second side part 9C and in the middle position of the hollow portion of the hollow seal body. The hollow portion is formed of a first hollow part 9E and a second hollow part 9F via the bridge part 9D. The bottom part 9A, first side part 9B, second side part 9C, and bridge part 9d extend in their lengthwise direction, i.e., the right and left width direction of the engine hood 8 and the lengthwise direction of the engine hood 8.

Description

本発明は、自動車等のエンジンフードの開口部に於いて該エンジンフードの裏面に装着してなり、自動車等の走行時の空気抵抗を低減させると共に見栄えを向上させかつ防水・防塵機能を向上させる自動車用フードに装着するウェザーストリップに関するものである。 The present invention is mounted on the back of the engine hood at the opening of the engine hood of an automobile, etc., and reduces air resistance during driving of the automobile, etc., improves appearance, and improves waterproof / dustproof function. The present invention relates to a weather strip to be attached to an automobile hood.

この種の自動車用ウェザーストリップを示す従来の技術の例としては、特開２００９−２３５８３号公開特許公報に開示された技術がある。
これについて説明すれば、図３に示すように、自動車用ウェザーストリップ１は、開閉体となるフード（ボンネット）２の内側に取付けられる取付基部３と、その取付基部３の前方に一体成形されフード２の閉時にはそのフード２に対向するボディ側のフロントグリル４の上面に弾接してフード２とフロントグリル４との間の見切り部分Ｍをシールする中空シール部５を備えている。なお、取付基部３の表面には装飾部材６，ここではスポンジ材の被膜がされている。 As an example of a conventional technique showing this type of automobile weather strip, there is a technique disclosed in Japanese Patent Application Laid-Open No. 2009-23583.
If this is demonstrated, as shown in FIG. 3, the weather strip 1 for motor vehicles is attached to the inner side of the food | hood (bonnet) 2 used as an opening-and-closing body, and the hood formed integrally in the front of the attachment base 3 2 is provided with a hollow seal portion 5 that elastically contacts the upper surface of the body-side front grill 4 facing the hood 2 and seals the parting portion M between the hood 2 and the front grill 4. The surface of the mounting base 3 is coated with a decorative member 6, here a sponge material.

取付基部３は、フード２の前部内側において前方に向いて延び、略中央部がフロントグリル４側に折れ曲がった板状であり、二つ折りの折れ曲がり部から後方全体がフード２の内側に固定され、折れ曲がり部から前方についてはフード２の前端縁２ａに向けて延びるが特にフード２に対して固定されていない。中空シール部５は、取付基部３の前方の前端に押出成形によって一体的に取付けられている。 The mounting base portion 3 extends forward inward of the front portion of the hood 2, has a substantially central portion bent toward the front grill 4, and the entire rear portion is fixed to the inside of the hood 2 from the folded portion. The front part extends from the bent part toward the front edge 2a of the hood 2 but is not particularly fixed to the hood 2. The hollow seal portion 5 is integrally attached to the front front end of the attachment base portion 3 by extrusion molding.

中空シール部５は、断面の外周形状が、三角形の各辺である第一辺５ａ，第二辺５ｂ，第三辺５ｃをそれぞれ外側に向けて膨出湾曲させた略三角むすび形状であり、見切り部分Ｍから視認しうる中空シール部５の車外側を、三角形の第一辺５ａとし、車内側の下部を第二辺５ｂ，車内側の上部を第三辺５ｃとしている。なお、中空シール部５の各辺５ａ，５ｂ，５ｃの厚さは同じであり部分的に厚肉にするといったことは特にない。
フード２がフロントグリル４に弾接する時には、第一辺５ａのフロントグリル４側端部に形成された三角形の頂部Ｐ１を中心にして、その頂部Ｐ１からフロントグリル４の略水平面に弾接させるようにしている。また、弾接時には、フード２の前端縁２ａだけを、中空シール部５の第一辺５ａのフロントグリル４側端部に形成された頂部Ｐ１とは逆側となるフード２側端部に形成された頂部Ｐ３に押付けるように当接させ、頂部Ｐ３を集中的に押圧することによってフロントグリル４との間に中空シール部５を撓ませるようにしている。 The hollow seal portion 5 has a substantially triangular shape in which the outer peripheral shape of the cross-section is bulged and curved toward the outside of the first side 5a, the second side 5b, and the third side 5c, which are sides of the triangle, The outer side of the hollow seal portion 5 that can be viewed from the parting portion M is a triangular first side 5a, the lower side on the inner side is the second side 5b, and the upper side on the inner side is the third side 5c. In addition, the thickness of each side 5a, 5b, 5c of the hollow seal part 5 is the same, and there is no particular thickening.
When the hood 2 is brought into elastic contact with the front grill 4, the triangular apex P1 formed at the end of the first side 5a on the front grill 4 side is centered so as to make elastic contact with the substantially horizontal surface of the front grill 4 from the apex P1. I have to. Further, at the time of elastic contact, only the front end edge 2a of the hood 2 is formed at the end portion on the hood 2 side opposite to the top portion P1 formed on the front grille 4 side end portion of the first side 5a of the hollow seal portion 5. The hollow seal portion 5 is bent between the front grille 4 and the front grille 4 by pressing the top portion P3 in a concentrated manner.

そして、中空シール部５の内部に、中空シール部５の断面を２分割するブリッジ７を設定している。ブリッジ７は、フード２の開閉方向を示す直線Ｘに対して略垂直に延びるものであり、車外側の連結位置７ａを第一辺５ａの略中央とするとともに、車内側の連結位置７ｂを第三辺５ｃの頂部Ｐ２寄りに設定している。また、ブリッジ７の車外側の連結位置７ａを、中空シール部５の弾接中心位置となる頂部Ｐ１の位置とともに、フード２の前端縁２ａを通る開閉方向を示す直線Ｘよりも車外側に設定しているという技術である。 A bridge 7 that divides the cross section of the hollow seal portion 5 into two is set inside the hollow seal portion 5. The bridge 7 extends substantially perpendicular to the straight line X indicating the opening and closing direction of the hood 2, and the connection position 7 a on the vehicle outer side is set to the approximate center of the first side 5 a and the connection position 7 b on the vehicle inner side is the first position. It is set closer to the top portion P2 of the three sides 5c. Further, the connection position 7a on the vehicle exterior side of the bridge 7 is set on the vehicle exterior side with respect to the straight line X indicating the opening / closing direction passing through the front end edge 2a of the hood 2 together with the position of the top portion P1 serving as the elastic contact center position of the hollow seal portion 5. It is a technology that is doing.

特開２００９−２３５８３号公開特許公報Japanese Patent Laid-Open No. 2009-23583

従来の技術は、叙上した構成、作用であるので次の課題が存在した。
すなわち、上述した従来の技術によれば、先ず、フード２をフロントグリル４側へ閉止動作を繰返すことにより中空シール部５の上方、特に頂部Ｐ３点が疲労劣化し中空シール部５自体が復元することなく変形したままの状態になる惧れがあり、異音の発生や自動車の走行に伴う空気抵抗が増大することになるという問題点があった。
次に、中空シール部５の頂部Ｐ３又は該中空シール部５の第一辺５ａ及び第三辺５ｃと取付基部３の前端との接続部位に亀裂が発生し、該中空シール部５が該取付基部３から切損又は離脱する惧れがあり、自動車用ウェザーストリップ１の働きが不能になるという問題点があった。
さらに、フード２をフロントグリル４側に閉止した際、中空シール部５の第一辺５ａの部分が前方に飛出すと共にこの飛出現象により自動車の走行に伴う空気抵抗が増加するばかりか、美麗感を損い外部との接触面を誘起し、ウェザーストリップが損傷するという問題点があった。
また、ウェザーストリップをフード２の内側の奥側に設置すれば前方に気流空間が生じフード２が該ウェザーストリップよりも突出し空気抵抗が著しく増大するという弊害があった。 Since the conventional technology has the above-described configuration and operation, the following problems existed.
That is, according to the above-described conventional technique, first, by repeatedly closing the hood 2 toward the front grille 4, the hollow seal portion 5, particularly the top P <b> 3 point, is fatigued and the hollow seal portion 5 itself is restored. There is a risk that it will remain in a deformed state without any problem, and there is a problem that the air resistance accompanying the generation of abnormal noise or the driving of the automobile increases.
Next, a crack occurs at the connection between the top portion P3 of the hollow seal portion 5 or the first side 5a and the third side 5c of the hollow seal portion 5 and the front end of the mounting base portion 3, and the hollow seal portion 5 is attached to the mounting portion 3 There is a concern that the base 3 may be broken or detached, and the function of the weather strip 1 for an automobile becomes impossible.
Furthermore, when the hood 2 is closed to the front grille 4 side, the portion of the first side 5a of the hollow seal portion 5 jumps forward, and this jumping phenomenon increases not only the air resistance associated with the running of the automobile, but also beautiful. There was a problem that the weather strip was damaged and the weather strip was damaged by inducing a contact surface with the outside.
Further, if the weather strip is installed on the inner back side of the hood 2, there is an adverse effect that an air flow space is generated in front and the hood 2 protrudes from the weather strip and the air resistance is remarkably increased.

本発明はかかる問題点を解決すべく創作したものであり、自動車等のエンジンフードの開口部に於いて該エンジンフードの裏面に装着してなり、自動車等の走行時の空気抵抗を低減させると共に見栄えを向上させかつ防水・防塵機能を向上させる自動車用フードに装着するウェザーストリップを提供することを目的としたものであり、次の構成、手段から成立する。 The present invention has been created to solve such problems, and is mounted on the back surface of the engine hood at the opening of the engine hood of an automobile, etc. An object of the present invention is to provide a weather strip to be attached to an automobile hood that improves the appearance and improves the waterproof / dustproof function, and is composed of the following configurations and means.

すなわち、請求項１に記載の発明によれば、エンジンフードの裏面に取付けられかつ該エンジンフードの閉止時に中空シール体が車体に弾接する定尺状又は長尺状のウェザーストリップの少なくとも一部の断面に於いて、前記中空シール体が略逆三角形状であって、前記エンジンフードの裏面に取付けられる底辺部と、該底辺部の一方端を基点として前記車体に接触する第１辺部と、該底辺部の他方端を基点として前記車体に接触する第２辺部と、該第２辺部に略並行かつ前記中空シール体の中空部分の中間位置に架設した橋架部とで成形したことを特徴とする。 That is, according to the first aspect of the present invention, at least a part of a regular or long weather strip attached to the back surface of the engine hood and having the hollow seal body elastically contact the vehicle body when the engine hood is closed. In cross section, the hollow seal body has a substantially inverted triangular shape, a bottom part attached to the back surface of the engine hood, a first side part that contacts the vehicle body from one end of the bottom part, The second side portion that contacts the vehicle body with the other end of the bottom side portion as a base point, and a bridge portion that is substantially parallel to the second side portion and is installed at an intermediate position of the hollow portion of the hollow seal body Features.

請求項２に記載の発明によれば、前記中空シール体の底辺部は硬度Ｈｓ：６５ないし７５°のＥＰＤＭソリッドでなり、前記中空シール体の第１辺部、第２辺部及び前記中空シール体の橋架部は比重Ｓｇ：０．５ないし０．７のスポンジ発泡材でなることを特徴とする。 According to the second aspect of the present invention, the bottom side portion of the hollow seal body is made of EPDM solid having a hardness Hs of 65 to 75 °, and the first side portion, the second side portion, and the hollow seal of the hollow seal body. The bridge part of the body is made of a sponge foam material having a specific gravity Sg of 0.5 to 0.7.

請求項３に記載の発明によれば、前記中空シール体の底辺部の幅長Ｓと第１辺部及び第２辺部の交点（頂点）Ｐ４までの垂直長Ｌが次の比率であることを特徴とする。すなわち、底辺部の幅長Ｓ：該底辺部の表面から第１辺部及び第２辺部の交点（頂点）Ｐ４までの垂直長Ｌ＝２：１ According to invention of Claim 3, the width length S of the bottom part of the said hollow seal body and the perpendicular length L to the intersection (vertex) P4 of a 1st side part and a 2nd side part are the following ratios It is characterized by. That is, the width S of the bottom side: the vertical length L = 2: 1 from the surface of the bottom side to the intersection (vertex) P4 of the first side and the second side

請求項４に記載の発明によれば、前記中空シール体の第２辺部の側面形状が略Ｓ字状に成形したことを特徴とする。 According to invention of Claim 4, the side shape of the 2nd edge part of the said hollow seal body was shape | molded by substantially S shape, It is characterized by the above-mentioned.

請求項５に記載の発明によれば、前記中空シール体の第１辺部の幅長Ｓ１と、第２辺部の幅長Ｓ２とがＳ１＞Ｓ２の関係であることを特徴とする。 According to the fifth aspect of the present invention, the width length S1 of the first side portion and the width length S2 of the second side portion of the hollow seal body are in a relationship of S1> S2.

本発明に係る自動車用フードに装着するウェザーストリップは、叙上の構成を有するので次の効果がある。 Since the weather strip to be mounted on the automobile hood according to the present invention has the above-described configuration, the following effects can be obtained.

すなわち、請求項１に記載の発明によれば、エンジンフードの裏面に取付けられかつ該エンジンフードの閉止時に中空シール体が車体に弾接する定尺状又は長尺状のウェザーストリップの少なくとも一部の断面に於いて、前記中空シール体が略逆三角形状であって、前記エンジンフードの裏面に取付けられる底辺部と、該底辺部の一方端を基点として前記車体に接触する第１辺部と、該底辺部の他方端を基点として前記車体に接触する第２辺部と、該第２辺部に略並行かつ前記中空シール体の中空部分の中間位置に架設した橋架部とで成形したことを特徴とする自動車用フードに装着するウェザーストリップを提供する。
このような構成としたので、前記中空シール体が略三角形状であり、エンジンフードを閉止すれば該中空シール体の略三角形状の頂点部Ｐ４が車体に圧接・圧縮され該中空シール体の中空部分が変形ストレスが増大することなく圧縮されると共に中空シール体の底辺部の一方端及び他方端が外方に開拡されることがなく体積変化が小さく空気抵抗を低減したうえで安定した状態でエンジンフードの裏面内に収容されるという効果がある。加えて、エンジンフードを開放する際、前記第１辺部が開口部の外方に飛出していないので空気抵抗を低減したうえで外部から見て車体の内板ではなくウェザーストリップの側面が見え見栄えが向上し、質感・美麗感が向上するうえに、ドライバーの指が第１辺部に接触することがなく円滑に操作できるという効果がある。 That is, according to the first aspect of the present invention, at least a part of a regular or long weather strip attached to the back surface of the engine hood and having the hollow seal body elastically contact the vehicle body when the engine hood is closed. In cross section, the hollow seal body has a substantially inverted triangular shape, a bottom part attached to the back surface of the engine hood, a first side part that contacts the vehicle body from one end of the bottom part, The second side portion that contacts the vehicle body with the other end of the bottom side portion as a base point, and a bridge portion that is substantially parallel to the second side portion and is installed at an intermediate position of the hollow portion of the hollow seal body A weatherstrip for mounting on a featured automobile hood is provided.
With this configuration, the hollow seal body has a substantially triangular shape, and when the engine hood is closed, the substantially triangular apex portion P4 of the hollow seal body is pressed against and compressed by the vehicle body, and the hollow seal body is hollow. The part is compressed without increasing the deformation stress, and the one end and the other end of the bottom part of the hollow seal body are not expanded outward, and the volume change is small and the air resistance is reduced and stable. The effect is that it is housed in the back of the engine hood. In addition, when the engine hood is opened, the first side portion does not jump out of the opening portion, so that the air resistance is reduced and the side surface of the weather strip, not the inner plate of the vehicle body, can be seen from the outside. The appearance is improved, the texture and beauty are improved, and there is an effect that the driver's finger can be smoothly operated without contacting the first side.

請求項２に記載の発明によれば、前記中空シール体の底辺部は硬度Ｈｓ：６５ないし７５°のＥＰＤＭソリッドでなり、前記中空シール体の第１辺部、第２辺部及び前記中空シール体の橋架部は比重Ｓｇ：０．５ないし０．７のスポンジ発泡材でなることを特徴とする請求項１記載の自動車用フードに装着するウェザーストリップを提供する。
このような構成としたので、請求項１に記載の発明の効果に加えて中空シール体の底辺部と第１、第２辺部及び橋架部とを別異の材質で構成したのでさらにエンジンフードの閉止の際、第１、第２辺部が円滑に圧縮・変形すると共に、橋架部が剛性力を保持し耐久性の高いウェザーストリップを提供できるという効果がある。 According to the second aspect of the present invention, the bottom side portion of the hollow seal body is made of EPDM solid having a hardness Hs of 65 to 75 °, and the first side portion, the second side portion, and the hollow seal of the hollow seal body. The weather strip to be mounted on an automobile hood according to claim 1, wherein the body bridge portion is made of a sponge foam material having a specific gravity Sg of 0.5 to 0.7.
Since it was set as such a structure, in addition to the effect of invention of Claim 1, since the bottom part of the hollow seal body and the 1st, 2nd part, and bridge part were comprised with different materials, engine hood is further included. At the time of closing, the first and second side portions are smoothly compressed and deformed, and the bridge portion has a rigid force and can provide a highly durable weather strip.

請求項３に記載の発明によれば、前記中空シール体の底辺部の幅長Ｓと該底辺部の表面から第１辺部及び第２辺部の交点（頂点）Ｐ４までの垂直長Ｌとの比率が、２：１であることを特徴とする請求項１記載の自動車用フードに装着するウェザーストリップを提供する。すなわち、底辺部の幅長Ｓ：該底辺部の表面から第１辺部及び第２辺部の交点（頂点）Ｐ４までの垂直長Ｌ＝２：１である。
このような構成としたので、底辺部の幅長Ｓ：該底辺部の表面から第１辺部及び第２辺部の交点（頂点）Ｐ４までの垂直長Ｌ＝２：１に設定したので、請求項１に記載の発明の効果に加えてさらに第１辺部が左方に飛出すことが全くなく、第１辺部及び第２辺部を円滑に圧縮・変形することができ、開口部の間隔を狭くできかつウェザーストリップの小型化を図ることができるという効果がある。 According to the invention of claim 3, the width length S of the bottom side of the hollow seal body and the vertical length L from the surface of the bottom side to the intersection (vertex) P4 of the first side and the second side, The weather strip to be mounted on the automobile hood according to claim 1 is provided. That is, the width length S of the bottom side portion: the vertical length L = 2: 1 from the surface of the bottom side portion to the intersection (vertex) P4 of the first side portion and the second side portion.
Since it was such a configuration, because the width length S of the bottom side: the vertical length L = 2: 1 from the surface of the bottom side to the intersection (vertex) P4 of the first side and the second side, In addition to the effect of the invention according to claim 1, the first side portion does not protrude leftward at all, and the first side portion and the second side portion can be smoothly compressed and deformed, and the opening portion. There is an effect that the distance between the two can be reduced and the weather strip can be miniaturized.

請求項４に記載の発明によれば、前記中空シール体の第２辺部の側面形状が略Ｓ字状に成形したことを特徴とする請求項１記載の自動車用フードに装着するウェザーストリップを提供する。
このような構成としたので、請求項１に記載の発明の効果に加えて、第２辺部の側面形状が略Ｓ字状であるのでさらに第２辺部を円滑に圧縮・変形することができ、耐久性の高いウェザーストリップを提供する効果がある。 According to a fourth aspect of the present invention, the weather strip to be attached to the automobile hood according to the first aspect is characterized in that the side surface shape of the second side portion of the hollow seal body is formed in a substantially S shape. provide.
Since it was set as such a structure, in addition to the effect of the invention of Claim 1, since the side shape of a 2nd side part is a substantially S shape, a 2nd side part can be compressed and deform | transformed further smoothly. It is possible to provide a weatherstrip having a high durability.

請求項５に記載の発明によれば、前記中空シール体の第１辺部の幅長Ｓ１と、第２辺部の幅長Ｓ２とがＳ１＞Ｓ２の関係であることを特徴とする請求項１記載の自動車用フードに装着するウェザーストリップを提供する。
このような構成としたので、前記中空シール体の第１辺部の幅長Ｓ１と、第２辺部の幅長Ｓ２とがＳ１＞Ｓ２の関係であるので、第１辺部が車体に、面接触しエンジンフードが閉止した後の自動車の振動に際しても開口部間に動揺することなく安定した状態で保持され、防水性・防塵性を高めると共に異音の発生を防止するという効果がある。 According to the invention described in claim 5, the width length S1 of the first side portion and the width length S2 of the second side portion of the hollow seal body have a relationship of S1> S2. A weather strip to be attached to the automobile hood according to claim 1.
Since it was such a structure, since the width length S1 of the first side portion of the hollow seal body and the width length S2 of the second side portion have a relationship of S1> S2, the first side portion is in the vehicle body, Even in the case of vibration of the automobile after the surface contact and the engine hood are closed, the vehicle is held in a stable state without being shaken between the openings, and there is an effect that the waterproofness and dustproofness are enhanced and the generation of abnormal noise is prevented.

本発明に係る自動車用フードに装着するウェザーストリップを自動車のエンジンフードの裏面に装着した状態示す図面であって、自動車のエンジンフードを開放したときの斜視図である。It is drawing which shows the state which mounted | wore the back surface of the engine hood of the motor vehicle with the weather strip with which the motor vehicle hood which concerns on this invention was mounted, Comprising: It is a perspective view when the engine hood of a motor vehicle is open | released. 図１の矢視Ａ−Ａ線方向から見たときの拡大断面図であって、本発明に係る自動車用フードに装着するウェザーストリップの構造を示す断面図である。It is an expanded sectional view when it sees from the arrow AA line direction of FIG. 1, Comprising: It is sectional drawing which shows the structure of the weather strip with which the hood for motor vehicles based on this invention is mounted | worn. 従来の技術に於ける例としての自動車のフードに取付けられた自動車用ウェザーストリップを示す垂直断面図である。It is a vertical sectional view showing an automobile weather strip attached to an automobile hood as an example in the prior art.

以下、本発明に係る自動車用フードに装着するウェザーストリップの実施の形態について、添付図面に基づき詳細に説明する。 DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of a weather strip to be mounted on an automobile hood according to the present invention will be described below in detail with reference to the accompanying drawings.

図１は車両、例えば自動車の可動部材としてのエンジンフード８側に本発明に係るウェザーストリップを装着したときの状態を示す斜視図である。該本発明に係るウェザーストリップ９は図１に示すように全長が例えば４０９０ないし４１３０（ｍｍ）程度の定尺状又は長尺状であって、図示するように略逆Ｕ字状にエンジンフード８の裏面に取付けられている。そして、エンジンフード８を自動車１０の車体１１側に閉止して開口部Ｂのシールを図る。ここで、前記本発明に係るウェザーストリップ９は図２に示すように、中空シール体で構成され全体が略逆三角形状でなり、前記エンジンフードの裏面８ａに取付けられる底辺部９Ａと、該底辺部９Ａの一方端Ｐ５を基点として前記車体１１に接触する第１辺部９Ｂと、該底辺部９Ａの他方端Ｐ６を基点として前記車体１１に接触する第２辺部９Ｃと、該第２辺部９Ｃに略並行かつ前記中空シール体の中空部分の中間位置に架設した橋架部９Ｄとで成形している。前記中空部分は第１中空部９Ｅと橋架部９Ｄを介して第２中空部９Ｆとでなる。前記底辺部９Ａ、第１辺部９Ｂ、第２辺部９Ｃ及び橋架部９Ｄは長さ方向、つまり第１図に示すエンジンフード８の左・右幅方向及び該エンジンフード８の長さ方向に延在している。図中Ｐ４は前記第１辺部９Ｂと前記第２辺部９Ｃとの交点（頂点）である。 FIG. 1 is a perspective view showing a state when a weather strip according to the present invention is mounted on the side of an engine hood 8 as a movable member of a vehicle, for example, an automobile. As shown in FIG. 1, the weather strip 9 according to the present invention has a regular or long length of about 4090 to 4130 (mm) as shown in FIG. It is installed on the back side. Then, the engine hood 8 is closed to the vehicle body 11 side of the automobile 10 to seal the opening B. Here, as shown in FIG. 2, the weather strip 9 according to the present invention is formed of a hollow seal body and has a substantially inverted triangular shape as a whole, and includes a bottom portion 9A attached to the back surface 8a of the engine hood, A first side 9B that contacts the vehicle body 11 with one end P5 of the portion 9A as a base point, a second side portion 9C that contacts the vehicle body 11 with the other end P6 of the bottom side 9A as a base point, and the second side It is formed with a bridge portion 9D that is substantially parallel to the portion 9C and is installed at an intermediate position of the hollow portion of the hollow seal body. The hollow portion includes a first hollow portion 9E and a second hollow portion 9F via a bridge portion 9D. The bottom side 9A, the first side 9B, the second side 9C, and the bridge 9D are in the length direction, that is, the left / right width direction of the engine hood 8 and the length direction of the engine hood 8 shown in FIG. It is extended. In the drawing, P4 is an intersection (vertex) between the first side 9B and the second side 9C.

そして、前記本発明に係るウェザーストリップ９の底辺部９Ａは例えばＥＰＤＭソリッドであって比較的硬質材等で成形される。前記本発明に係るウェザーストリップ９の第１辺部９Ｂ、第２辺部９Ｃ及び橋架部９Ｄは例えばスポンジ発泡材等、比較的軟質材で成形される。図中１２はエンジンフード８の裏面８ａに取付けられたシーラである。１３はクリップであり、前記本発明に係るウェザーストリップ９の底辺部９Ａをエンジンフード８の裏面８ａに固定するものであり、図１に示すように例えば１００ないし１３０（ｍｍ）程度毎に一連に設置する。従って、底辺部９Ａにはクリップ１３を挿通するクリップ孔１４を設けている。 The bottom portion 9A of the weather strip 9 according to the present invention is, for example, an EPDM solid and is formed of a relatively hard material or the like. The first side portion 9B, the second side portion 9C and the bridge portion 9D of the weather strip 9 according to the present invention are formed of a relatively soft material such as a sponge foam material. In the figure, reference numeral 12 denotes a sealer attached to the back surface 8 a of the engine hood 8. Reference numeral 13 denotes a clip for fixing the bottom portion 9A of the weather strip 9 according to the present invention to the back surface 8a of the engine hood 8. As shown in FIG. 1, for example, every 100 to 130 (mm) in series. Install. Accordingly, a clip hole 14 through which the clip 13 is inserted is provided in the bottom portion 9A.

次に前記本発明に係るウェザーストリップ９の動作等を説明する。図１に於いて運転者等がエンジンフード８を押圧すれば開口部Ｂが閉止され本発明に係るウェザーストリップ９は図２の一点鎖線で示すように圧縮・変形する。そして、ウェザーストリップ９の第１辺部９Ｂが拡大し外部からの気流の侵入空間を小さくし、空気抵抗を低減させる。前記ウェザーストリップ９の第２辺部９Ｃの側面形状が予め略Ｓ字状に成形されているのでこの部分は更に湾曲度合を増して蛇行状になると共に第１辺部９Ｂはフラット状に変形する。そこで、エンジンフード８の先端部分に於ける開口部Ｂは完全に密閉される。それ故に、エンジンフード８を車体１１側に閉止した際、中空シール体の第１辺部９Ｂの部分が前方に飛出すことなくエンジンフード８の裏面内に収納され自動車の走行に伴う空気抵抗を低減する。エンジンフード８の先端よりも内側に例えばメッキ加飾部品を配置すれば、加飾面積を広く確保し、美麗感を損なうこともなく見栄えが向上する。そして、外部との接触面もなく、ドライバー等がエンジンフード８を開放する際、指が第１辺部９Ｂに接触することなく円滑に操作ができウェザーストリップ９が損傷することない。さらに、外部からウェザーストリップ９の第１辺部９Ｂが見えることでその部分の質感・美麗感が向上する。
また、上述した実施の形態では全長に亘って同一の断面で形成されているウェザーストリップ９を説明したが、本発明はこのようなウェザーストリップ９に限定されず、ウェザーストリップ９の少なくとも一部が本発明に係る断面を有していれば良い。例えば、車両の前方、即ちエンジンフード８の左・右幅方向に沿って配置される部分が本発明に係る断面を有する中空シール体と、車両の側方、即ちエンジンフード８の長さ方向に沿って配置される部分が本発明に係る断面とは異なる断面を有する中空シール体とを互いに接続して形成したウェザーストリップ９であっても、本発明の範囲を逸脱することはない。 Next, the operation of the weather strip 9 according to the present invention will be described. In FIG. 1, when a driver or the like presses the engine hood 8, the opening B is closed, and the weather strip 9 according to the present invention is compressed and deformed as shown by a one-dot chain line in FIG. And the 1st side part 9B of the weather strip 9 expands, the invasion space of the airflow from the outside is made small, and air resistance is reduced. Since the side surface shape of the second side portion 9C of the weather strip 9 is preliminarily formed in an S shape, this portion further increases the degree of curvature and becomes a meandering shape, and the first side portion 9B is deformed into a flat shape. . Therefore, the opening B at the tip of the engine hood 8 is completely sealed. Therefore, when the engine hood 8 is closed to the vehicle body 11 side, the portion of the first side portion 9B of the hollow seal body is housed in the back surface of the engine hood 8 without jumping forward, and the air resistance accompanying the running of the automobile is reduced. Reduce. If, for example, a plated decorative part is arranged on the inner side of the tip of the engine hood 8, a large decorative area is secured, and the appearance is improved without impairing the beauty. And when there is no contact surface with the outside and a driver etc. open the engine hood 8, a finger | toe can operate smoothly without contacting the 1st edge part 9B, and the weather strip 9 is not damaged. Furthermore, when the first side portion 9B of the weather strip 9 is visible from the outside, the texture and beauty of the portion are improved.
Moreover, although the weather strip 9 formed in the same cross section over the full length was demonstrated in embodiment mentioned above, this invention is not limited to such a weather strip 9, and at least one part of the weather strip 9 is included. It suffices to have a cross section according to the present invention. For example, a hollow seal body having a cross section according to the present invention in which a portion disposed in front of the vehicle, that is, along the left / right width direction of the engine hood 8 and a side of the vehicle, that is, in the length direction of the engine hood 8 Even the weatherstrip 9 formed by connecting the hollow sealing bodies having a section different from the section according to the present invention to each other without departing from the scope of the present invention does not depart from the scope of the present invention.

次に、本発明に係る自動車用フードに装着するウェザーストリップの実施例について、詳細に説明する。 Next, an embodiment of a weather strip to be mounted on the automobile hood according to the present invention will be described in detail.

本発明に係るウェザーストリップ９は図２に示すように、中空シール体で構成され全体が略逆三角形状でなり、前記エンジンフードの裏面８ａに取付けられる底辺部９Ａと、該底辺部９Ａの一方端Ｐ５を基点として前記車体１１に接触する第１辺部９Ｂと、該底辺部９Ａの他方端Ｐ６を基点として前記車体１１に接触する第２辺部９Ｃと、該第２辺部９Ｃに略並行かつ前記中空シール体の中空部分の中間位置に架設した橋架部９Ｄとで成形している。 As shown in FIG. 2, the weather strip 9 according to the present invention is formed of a hollow seal body and has a substantially inverted triangular shape as a whole. The bottom 9A is attached to the back surface 8a of the engine hood, and one of the bottom 9A. The first side portion 9B that contacts the vehicle body 11 with the end P5 as a base point, the second side portion 9C that contacts the vehicle body 11 with the other end P6 of the bottom side portion 9A as the base point, and the second side portion 9C. The bridge portion 9D is formed in parallel with the bridge portion 9D provided at an intermediate position of the hollow portion of the hollow seal body.

そして、前記本発明に係るウェザーストリップ９の底辺部９Ａは例えばＥＰＤＭソリッドであって比較的硬質材等で成形され、第１辺部９Ｂ、第２辺部９Ｃ及び橋架部９Ｄは例えばスポンジ発泡材等、比較的軟質材で成形される。すなわち前記中空シール体の底辺部９Ａは硬度Ｈｓ：６５ないし７５°のＥＰＤＭソリッドでなり、前記中空シール体の第１辺部９Ｂ、第２辺部９Ｃ及び前記中空シール体の橋架部９Ｄは比重Ｓｇ：０．５ないし０．７のスポンジ発泡材でなる。前記中空シール体の底辺部９Ａの幅長Ｓは２７ないし２９（ｍｍ）程度であり、該底辺部９Ａの表面から前記第１辺部９Ｂ及び第２辺部９Ｃの交点（頂点）Ｐ４の垂直長Ｌは１３．５ないし１４．５（ｍｍ）程度でその比率は２：１に設定する。それ故に第１辺部９Ｂが左方に飛出すことが全くなく、第１辺部９Ｂ及び第２辺部９Ｃを円滑に圧縮・変形することができ、開口部の間隔を狭くできかつウェザーストリップの小型化を図ることができるという効果がある。尚、Ｌ１は前記底辺部９Ａに設定した０．５ないし０．６（ｍｍ）程度の接合代であり該底辺部９Ａが前記第１、第２辺部9Ｂ、９Ｃ及び橋架部９Ｄに接合するためにある。 The bottom 9A of the weather strip 9 according to the present invention is, for example, EPDM solid and is formed of a relatively hard material, and the first side 9B, the second side 9C, and the bridge 9D are, for example, sponge foam. For example, it is formed of a relatively soft material. That is, the bottom side 9A of the hollow seal body is made of EPDM solid having a hardness Hs: 65 to 75 °, and the first side 9B, the second side 9C and the bridge 9D of the hollow seal body have specific gravity. Sg: Made of 0.5 to 0.7 sponge foam. The width S of the bottom side 9A of the hollow seal body is about 27 to 29 (mm), and the intersection (vertex) P4 of the first side 9B and the second side 9C is perpendicular to the surface of the bottom 9A. The length L is about 13.5 to 14.5 (mm) and the ratio is set to 2: 1. Therefore, the first side 9B does not protrude to the left at all, the first side 9B and the second side 9C can be smoothly compressed and deformed, the interval between the openings can be reduced, and the weather strip. There is an effect that it is possible to reduce the size. In addition, L1 is a joining margin of about 0.5 to 0.6 (mm) set to the bottom side 9A, and the bottom side 9A is joined to the first and second sides 9B and 9C and the bridge 9D. For there.

本発明に係るウェザーストリップ９の動作等を説明する。図１に於いて運転者等がエンジンフード８を押圧すれば開口部Ｂが閉止され本発明に係るウェザーストリップ９は図２の一点鎖線で示すように圧縮・変形する。そして、前記ウェザーストリップ９の第２辺部９Ｃはその肉厚ｔ４が第一辺部９Ｂ及び橋架部９Ｄの肉厚ｔ２、ｔ３のそれが１．５（ｍｍ）、１．３（ｍｍ）程度に対し、２（ｍｍ）であり太く設定しており、側面形状が予め略Ｓ字状に成形されているのでこの部分は更に湾曲度合を増して蛇行状になると共に第１辺部９Ｂはフラット状に変形する。そこで、エンジンフード８の先端部分に於ける開口部Ｂは完全に密閉される。それ故に、エンジンフード８を車体１１側に閉止した際、底辺部９Ａは硬度が比較的高くその肉厚ｔ１が１．５（ｍｍ）程度であり中空シール体の第１辺部９Ｂの部分が前方に飛出すことなくエンジンフード８の裏面内に収納され自動車の走行に伴う空気抵抗を低減する。そして、美麗感を損なうこともなく外部との接触面もなく、ウェザーストリップ９が損傷することない。加えて、第２辺部９Ｃの側面形状が略Ｓ字状であるのでさらに第２辺部９Ｃを円滑に圧縮・変形することができ、耐久性の高いウェザーストリップを提供する効果がある。 The operation of the weather strip 9 according to the present invention will be described. In FIG. 1, when a driver or the like presses the engine hood 8, the opening B is closed, and the weather strip 9 according to the present invention is compressed and deformed as shown by a one-dot chain line in FIG. The thickness 9 of the second side 9C of the weather strip 9 is about 1.5 (mm) or 1.3 (mm) when the thickness t4 of the first side 9B and the bridge 9D is t2. On the other hand, it is set to 2 (mm) and is thick, and the side surface shape is preliminarily formed into a substantially S shape, so that this portion further increases the degree of curvature and becomes serpentine and the first side portion 9B is flat. It deforms into a shape. Therefore, the opening B at the tip of the engine hood 8 is completely sealed. Therefore, when the engine hood 8 is closed to the vehicle body 11 side, the bottom portion 9A has a relatively high hardness and a thickness t1 of about 1.5 (mm), and the portion of the first side portion 9B of the hollow seal body is It is housed in the back surface of the engine hood 8 without jumping forward and reduces the air resistance associated with traveling of the automobile. And the beauty strip is not impaired, there is no contact surface with the outside, and the weather strip 9 is not damaged. In addition, since the side surface shape of the second side portion 9C is substantially S-shaped, the second side portion 9C can be more smoothly compressed and deformed, and there is an effect of providing a highly durable weather strip.

そして、前記中空シール体の第１辺部９Ｂの幅長Ｓ１が２４ないし２５（ｍｍ）程度であり第２辺部９Ｃの幅長Ｓ２が１５ないし１６（ｍｍ）程度である。従って、前記中空シール体の第１辺部９Ｂの幅長Ｓ１と、第２辺部９Ｃの幅長Ｓ２とがＳ１＞Ｓ２の関係であるので、第１辺部９Ｂが車体１１に、面接触しエンジンフード８が閉止した後の自動車の振動に際しても開口部間に動揺することなく安定した状態で保持され、防水性・防塵性を高めると共に異音の発生を防止するという効果がある。尚、上記ウェザーストリップ９は固定部材としての車体１１に固定・配置しても何等本発明の範囲を逸脱することはない。そしてほかの構成や作用については上述した実施の形態の項で説明したものと略同一でありその説明を省略する。 The width S1 of the first side 9B of the hollow seal body is about 24 to 25 (mm), and the width S2 of the second side 9C is about 15 to 16 (mm). Therefore, since the width length S1 of the first side portion 9B of the hollow seal body and the width length S2 of the second side portion 9C have a relationship of S1> S2, the first side portion 9B is in surface contact with the vehicle body 11. Even when the automobile hood 8 is closed after the engine hood 8 is closed, the vehicle is held in a stable state without being shaken between the openings, thereby improving the waterproof and dustproof properties and preventing the generation of abnormal noise. The weatherstrip 9 does not depart from the scope of the present invention even if it is fixed and arranged on the vehicle body 11 as a fixing member. Other configurations and operations are substantially the same as those described in the above-described embodiment, and the description thereof is omitted.

本発明は自動車の開口部をシールするウェザーストリップであって、可動部材を構成するエンジンフードに装着されてなり空気抵抗を低減する目的に適用されその利用範囲は極めて広く自動車業界に寄与する。 The present invention is a weather strip for sealing an opening of an automobile, and is applied to an engine hood constituting a movable member for the purpose of reducing air resistance, and its use range is extremely wide and contributes to the automobile industry.

８ エンジンフード
８ａ エンジンフードの裏面
９ ウェザーストリップ
９Ａ 底辺部
９Ｂ 第１辺部
９Ｃ 第２辺部
９Ｄ 橋架部
９Ｅ 第１中空部
９Ｆ 第２中空部
１０ 自動車
１１ 車体
１２ シーラ
１３ クリップ
１４ クリップ孔 8 Engine Hood 8a Back of Engine Hood 9 Weather Strip 9A Bottom Side 9B First Side 9C Second Side 9D Bridge 9E First Hollow 9F Second Hollow 10 Automobile 11 Car Body 12 Sealer 13 Clip 14 Clip Hole

Claims (5)

エンジンフードの裏面に取付けられかつ該エンジンフードの閉止時に中空シール体が車体に弾接する定尺状又は長尺状のウェザーストリップの少なくとも一部の断面に於いて、前記中空シール体が略逆三角形状であって、前記エンジンフードの裏面に取付けられる底辺部と、該底辺部の一方端を基点として前記車体に接触する第１辺部と、該底辺部の他方端を基点として前記車体に接触する第２辺部と、該第２辺部に略並行かつ前記中空シール体の中空部分の中間位置に架設した橋架部とで成形したことを特徴とする自動車用フードに装着するウェザーストリップ。 In the cross section of at least a part of a regular or long weather strip attached to the back surface of the engine hood and elastically contacting the vehicle body when the engine hood is closed, the hollow seal body has a substantially inverted triangular shape. A bottom side portion attached to the back surface of the engine hood, a first side portion that contacts the vehicle body from one end of the bottom side portion, and a contact point that contacts the vehicle body from the other end of the bottom side portion. A weather strip to be mounted on an automobile hood, wherein the weather strip is formed by a second side portion that is formed and a bridge portion that is substantially parallel to the second side portion and is provided at an intermediate position of the hollow portion of the hollow seal body. 前記中空シール体の底辺部は硬度Ｈｓ：６５ないし７５°のＥＰＤＭソリッドでなり、前記中空シール体の第１辺部、第２辺部及び前記中空シール体の橋架部は比重Ｓｇ：０．５ないし０．７のスポンジ発泡材でなることを特徴とする請求項１記載の自動車用フードに装着するウェザーストリップ。 The bottom part of the hollow seal body is made of EPDM solid having a hardness Hs of 65 to 75 °, and the first side part and the second side part of the hollow seal body and the bridge part of the hollow seal body have a specific gravity Sg: 0.5. The weather strip to be mounted on the automobile hood according to claim 1, wherein the weather strip is made of a sponge foam material of 0.7. 前記中空シール体の底辺部の幅長Ｓと第１辺部及び第２辺部の交点（頂点）Ｐ４までの垂直長Ｌが次の比率であることを特徴とする請求項１記載の自動車用フードに装着するウェザーストリップ。
底辺部の幅長Ｓ：該底辺部の表面から第１辺部及び第２辺部の交点（頂点）Ｐ４までの垂直長Ｌ＝２：１ 2. The vehicle according to claim 1, wherein a width length S of the bottom side portion of the hollow seal body and a vertical length L to the intersection (vertex) P <b> 4 of the first side portion and the second side portion are the following ratios. Weather strip to attach to the hood.
Width length S of the base part: vertical length L = 2: 1 from the surface of the base part to the intersection (vertex) P4 of the first side part and the second side part 前記中空シール体の第２辺部の側面形状が略Ｓ字状に成形したことを特徴とする請求項１記載の自動車用フードに装着するウェザーストリップ。 The weather strip to be mounted on an automobile hood according to claim 1, wherein a side shape of the second side portion of the hollow seal body is formed in a substantially S shape. 前記中空シール体の第１辺部の幅長Ｓ１と、第２辺部の幅長Ｓ２とがＳ１＞Ｓ２の関係であることを特徴とする請求項１記載の自動車用フードに装着するウェザーストリップ。 2. The weather strip to be mounted on an automobile hood according to claim 1, wherein a width length S1 of the first side portion and a width length S2 of the second side portion of the hollow seal body have a relationship of S1> S2. .
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