JPH0451839B2 - - Google Patents
Info
- Publication number
- JPH0451839B2 JPH0451839B2 JP57172570A JP17257082A JPH0451839B2 JP H0451839 B2 JPH0451839 B2 JP H0451839B2 JP 57172570 A JP57172570 A JP 57172570A JP 17257082 A JP17257082 A JP 17257082A JP H0451839 B2 JPH0451839 B2 JP H0451839B2
- Authority
- JP
- Japan
- Prior art keywords
- soundproof cover
- adhesive
- resistant
- elastic member
- cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000000853 adhesive Substances 0.000 claims description 23
- 230000001070 adhesive effect Effects 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 13
- 239000002904 solvent Substances 0.000 claims description 3
- 239000004590 silicone sealant Substances 0.000 claims description 2
- 229920001971 elastomer Polymers 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 239000003921 oil Substances 0.000 description 5
- 229920000459 Nitrile rubber Polymers 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 229920000800 acrylic rubber Polymers 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 229920006229 ethylene acrylic elastomer Polymers 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 239000013464 silicone adhesive Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は、エンジンシリンダヘツドカバーの防
音カバーの取付け構造、詳しくは、弾性部材、接
着剤の材質を選択し、且接着部の形状を考慮し、
充分な接着性が得られるとともに防音効果の高い
防音カバー取付構造に関するものである。[Detailed Description of the Invention] [Industrial Application Field] The present invention provides a mounting structure for a soundproof cover of an engine cylinder head cover, in particular, selects the materials of the elastic member and adhesive, and takes into account the shape of the adhesive part. death,
The present invention relates to a soundproof cover mounting structure that provides sufficient adhesiveness and has a high soundproofing effect.
［従来の技術］
たとえば、エンジンのシリンダヘツドカバーに
防音カバーを取付ける場合、従来第１図に示すよ
うに、シリンダヘツドカバー１のシリンダヘツド
本体２への取付け部分にブラケツト３を設け、こ
のブラケツト３と防音カバー４を防振ゴム５を介
してボルト締めて取付けていた。このように、防
振ゴム５を介在せしめてシリンダヘツドカバー１
に防音カバー４を取付けるので前記ヘツドカバー
１と防音カバー４間に空間６が形成され、防振ゴ
ム５と共に防音に役立つ。[Prior Art] For example, when attaching a soundproof cover to the cylinder head cover of an engine, as shown in FIG. The soundproof cover 4 was attached by tightening bolts through the vibration-proofing rubber 5. In this way, the cylinder head cover 1 is installed with the vibration isolating rubber 5 interposed.
Since the soundproof cover 4 is attached to the head cover 1, a space 6 is formed between the head cover 1 and the soundproof cover 4, which together with the vibration isolating rubber 5 serves for soundproofing.
この型の防音カバーの取付け構造においては、
前記空間６はブラケツト３と防振ゴム５の取付け
部分を除いては、全く開放された空隙となる。 In the mounting structure of this type of soundproof cover,
The space 6 is completely open except for the mounting portions of the bracket 3 and the vibration isolating rubber 5.
しかしながら、防音性を更に向上せしめるため
には、前記空間６は外気と遮蔽された閉空間であ
ることが望ましい。しかして、第２図、第３図に
示すような防音カバーの取付け構造が案出され
る。すなわち、シリンダヘツドカバー２１の全周
に亘つて弾性体部材２２を貼着し、この弾性部材
２２に防音カバー２３を、さらに接着するのであ
る。 However, in order to further improve soundproofing, it is desirable that the space 6 is a closed space that is shielded from the outside air. As a result, a soundproof cover mounting structure as shown in FIGS. 2 and 3 was devised. That is, the elastic member 22 is attached to the entire circumference of the cylinder head cover 21, and the soundproof cover 23 is further attached to the elastic member 22.
［発明が解決しようとする課題］
このようにシリンダヘツドカバー２１、弾性体
部材２２、防音カバー２３を接着する場合、良好
な接着性を得るためには、未加硫の弾性体部材２
２を介して第２図に示すようにシリンダヘツドカ
バー２１及び防音カバー２３を配置し、次いで加
硫を行い、三者を一体化するのが望ましい。しか
し、ヘツドカバー２１と防音カバー２３とで形成
される空間２４は閉空間であるため、弾性体部材
２２の上部材２２ａは加硫と同時成形することが
不可能である。[Problems to be Solved by the Invention] When bonding the cylinder head cover 21, the elastic member 22, and the soundproof cover 23 in this way, in order to obtain good adhesion, it is necessary to bond the unvulcanized elastic member 2.
It is desirable to arrange the cylinder head cover 21 and the soundproof cover 23 as shown in FIG. However, since the space 24 formed by the head cover 21 and the soundproof cover 23 is a closed space, it is impossible to vulcanize and mold the upper member 22a of the elastic member 22 at the same time.
したがつて、加硫した弾性体部材２２をあらか
じめ用意しておき、ヘツドカバー２１および防音
カバー２３と接着するほかはない。ところが、防
音カバー２３及びシリンダヘツドカバー２１はプ
レス成形品ないし鋳造品であるため、充分な剥離
強度が得られない。 Therefore, there is no other choice but to prepare the vulcanized elastic member 22 in advance and adhere it to the head cover 21 and the soundproof cover 23. However, since the soundproof cover 23 and the cylinder head cover 21 are press-molded or cast products, sufficient peel strength cannot be obtained.
また、空間２４は閉空間であり、遮音効果はあ
るが、空間２４内の空気の媒介により防音カバー
に音が伝播し、防音カバー２３が振動して防音カ
バー２３自体が音源となる場合もある。 Furthermore, although the space 24 is a closed space and has a sound insulation effect, the sound propagates to the soundproof cover through the medium of the air in the space 24, causing the soundproof cover 23 to vibrate and the soundproof cover 23 itself to become a sound source. .
［課題を解決する為の手段］
本発明は、前述の点に鑑みなされたものであ
り、前記防音カバーを充分な強度で接着すると共
に更に防音効果を向上させた防音カバーの取付構
造を提供することを目的とし、防音カバーをその
全周に於いて弾性部材を介して接着剤で接着する
防音カバー取付構造に於いて、前記弾性部材は耐
熱性、耐油性、金属接着性のある材料であり、前
記接着剤は耐熱性、耐油性、金属接着性のある無
溶剤反応硬化型シリコン系シール剤であるととも
に接着面を一方凹形状、他方を凸形状とし、前記
防音カバーで形成される閉空間内に防振材を充填
したことを特徴とするものである。[Means for Solving the Problems] The present invention has been made in view of the above-mentioned points, and provides a mounting structure for a soundproof cover that adheres the soundproof cover with sufficient strength and further improves the soundproofing effect. In a soundproof cover mounting structure in which a soundproof cover is bonded with an adhesive along its entire circumference through an elastic member, the elastic member is made of a heat-resistant, oil-resistant, and metal-adhesive material. The adhesive is a heat-resistant, oil-resistant, and metal-adhesive non-solvent reaction-curing silicone sealant, and the adhesive surface is concave on one side and convex on the other, and the closed space formed by the soundproof cover is It is characterized by being filled with vibration isolating material.
［作用］
弾性部材及び前記シリコン系接着剤を選択し、
接着面を凹凸形状としたため、良好な接着性とシ
ール性が確保できると共に防振材による音の伝播
の抑制効果により、防音効果は一層向上する。[Operation] Selecting the elastic member and the silicone adhesive,
Since the adhesive surface has an uneven shape, it is possible to ensure good adhesion and sealing properties, and the soundproofing effect is further improved due to the effect of suppressing sound propagation by the vibration isolating material.
［実施例］
以下、図面を参照しつつ本発明の実施例を説明
する。[Example] Hereinafter, an example of the present invention will be described with reference to the drawings.
本発明による防音カバーの取付け構造によれ
ば、まず、防音カバーを取付ける部品及び防音カ
バーは従来のアルミニウム材、アルミニウム合金
材、鉄、鉄合金等のプレス成形品、鋳造品等であ
ることができ、基本的に限定されない。 According to the soundproof cover mounting structure according to the present invention, first, the parts to which the soundproof cover is attached and the soundproof cover can be made of conventional press-formed products, cast products, etc. of aluminum materials, aluminum alloy materials, iron, iron alloys, etc. , basically not limited.
弾性体部材は前述のように耐熱性、耐油性、金
属接着性のある材料で製造されたものを用いる。 The elastic member is made of a heat-resistant, oil-resistant, and metal-adhesive material as described above.
これは防音カバーを取付ける部品がシリンダヘ
ツドのように耐熱性と耐油性を要求されるところ
に用いられるからである。前述の点に鑑み、耐熱
性は好ましくは120℃以上であるのがよい。この
ような弾性体部材の具体例としてはNBR（ニトリ
ルゴム）、CHC（エビクロルヒドリンゴム）、
ACM（アクリルゴム）SiR（シリコンゴム）、ポリ
エステル系エラストマー、エチレンアクリルエラ
ストマーの一種以上等をあげることができる。 This is because the parts to which the soundproof cover is attached are used where heat resistance and oil resistance are required, such as cylinder heads. In view of the above points, the heat resistance is preferably 120°C or higher. Specific examples of such elastic members include NBR (nitrile rubber), CHC (ebichlorohydrin rubber),
Examples include one or more of ACM (acrylic rubber), SiR (silicon rubber), polyester elastomer, and ethylene acrylic elastomer.
接着性を良好ならしめるためには接着表面積が
なるべく広くなるような形状が望ましい。このた
め、第２図及び第３図に示すように、接着面凸状
（また凹状）とし、一方の防音カバー、取付け部
品の接着部分を凹状（または凸状）として、嵌合
するように接着する。 In order to achieve good adhesion, it is desirable to have a shape that provides as large an adhesion surface area as possible. For this reason, as shown in Figures 2 and 3, the adhesive surface is made convex (or concave), and the adhesive parts of one soundproof cover and the attached parts are made concave (or convex) so that they fit together. do.
また接着剤としては、耐熱性、耐油性あり、金
属接着性の良好な無溶剤硬化反応型シリコン系弾
性シール剤、たとえば信越化学、トーレ、東芝そ
の他の、一液型TRVゴムコンパウンド、二液型
ゴムコンパウンド、スリーボンドの1200＃シリー
ズ等の一種以上を用いる。 Adhesives include heat-resistant, oil-resistant, and non-solvent curing reactive silicone elastic sealants with good metal adhesion, such as one-component TRV rubber compounds and two-component products from Shin-Etsu Chemical, Toray, Toshiba, and others. Use one or more types of rubber compound, such as Three Bond's 1200# series.
このように、弾性部材及び接着剤を選択し、更
に前記したように接着面を一方凸状、他方凹（ま
たは一方凹状，他方凸状）として接着面積を増大
させることにより、実用に足る充分な接着強度が
得られる。 In this way, by selecting the elastic member and adhesive, and increasing the bonding area by making the bonding surfaces convex on one side and concave on the other (or concave on one side and convex on the other) as described above, it is possible to obtain a material that is sufficient for practical use. Adhesive strength can be obtained.
両接着表面を凸状としたNBR製の弾性部材の
両接着表面にプライマー（例シラン系）を塗布乾
燥後接着剤としてスリーボンド1207Bを塗布し、
第２図にしめすような前記プライマー処理したヘ
ツドカバーの全周に亘つて接着し、その後、同じ
くプライマー処理した防音カバーを前記弾性体部
材に接着した。 Apply a primer (e.g. silane type) to both adhesive surfaces of an NBR elastic member with convex adhesive surfaces.After drying, apply ThreeBond 1207B as an adhesive.
The primer-treated head cover was adhered to the entire circumference as shown in FIG. 2, and then the primer-treated soundproof cover was adhered to the elastic member.
この場合の剥離強度は10Kg／cm2以上であり、充
分実用に耐えることがわかつた。 The peel strength in this case was 10 kg/cm 2 or more, which was found to be sufficiently durable for practical use.
次に、前記防音カバー２３を製造する場合、閉
空間２４にグラスウール等の防振材２５を充填し
ておく。 Next, when manufacturing the soundproof cover 23, the closed space 24 is filled with a vibration-proofing material 25 such as glass wool.
しかして、防振材２５の充填により閉空間２４
の空気振動が抑止され、閉空間２４の空気による
防音カバー２３への音の伝播が抑制され、更に防
振材２５が防音カバー２３に当接していることに
より、防音カバー２３の振動を抑制する。 Therefore, the closed space 24 is filled with the vibration isolating material 25.
air vibration is suppressed, the propagation of sound to the soundproof cover 23 by the air in the closed space 24 is suppressed, and furthermore, the vibration of the soundproof cover 23 is suppressed because the vibrationproof material 25 is in contact with the soundproof cover 23. .
［発明の効果］
以上述べた如く本発明によれば、防音性の高い
閉空間を形成せしめる様なエンジンシリンダヘツ
ドカバーの防音カバーの取付けを可能とするとと
もに更に閉空間内部に防振材を充填しているの
で、防音効果を一層向上させ得るという優れた効
果を発揮する。[Effects of the Invention] As described above, according to the present invention, it is possible to attach a soundproof cover to an engine cylinder head cover that forms a closed space with high soundproofing properties, and it is also possible to fill the inside of the closed space with a vibration isolating material. Therefore, it exhibits an excellent effect of further improving the soundproofing effect.
第１図は従来の防音カバー取付け構造を説明す
るため概略図、第２図は本発明の防音カバー取付
け構造の一例を説明するための概略図、第３図は
接着部分の拡大断面図である。
１……シリコンヘツドカバー、２……シリンダ
ヘツド、３……ブラケツト、４……防音カバー、
５……防振ゴム、２１……シリンダヘツドカバ
ー、２２……弾性体部材、２３……防音カバー、
２４……閉空間。
Fig. 1 is a schematic diagram for explaining a conventional soundproof cover mounting structure, Fig. 2 is a schematic diagram for explaining an example of the soundproof cover mounting structure of the present invention, and Fig. 3 is an enlarged sectional view of the adhesive part. . 1...Silicone head cover, 2...Cylinder head, 3...Bracket, 4...Soundproof cover,
5... Vibration-proof rubber, 21... Cylinder head cover, 22... Elastic member, 23... Soundproof cover,
24...Closed space.
Claims (1)
して接着剤で接着する防音カバー取付構造に於い
て、前記弾性部材は耐熱性、耐油性、金属接着性
のある材料であり、前記接着剤は耐熱性、耐油
性、金属接着性のある無溶剤反応硬化型シリコン
系シール剤であるとともに接着面を一方凹形状、
他方を凸形状とし、前記防音カバーで形成される
閉空間内に防振材を充填したことを特徴とするエ
ンジンシリンダヘツドカバーの防音カバー取付け
構造。1. In a soundproof cover mounting structure in which a soundproof cover is bonded around its entire circumference with an adhesive via an elastic member, the elastic member is made of a heat-resistant, oil-resistant, metal-adhesive material, and the adhesive is a heat-resistant, oil-resistant, and metal-adhesive non-solvent reaction-curing silicone sealant, and the adhesive surface has a concave shape on one side.
1. A soundproof cover mounting structure for an engine cylinder head cover, characterized in that the other side is convex and a closed space formed by the soundproof cover is filled with a vibration isolating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57172570A JPS5961888A (en) | 1982-09-30 | 1982-09-30 | Mounting of sound-proof cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57172570A JPS5961888A (en) | 1982-09-30 | 1982-09-30 | Mounting of sound-proof cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5961888A JPS5961888A (en) | 1984-04-09 |
| JPH0451839B2 true JPH0451839B2 (en) | 1992-08-20 |
Family
ID=15944281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57172570A Granted JPS5961888A (en) | 1982-09-30 | 1982-09-30 | Mounting of sound-proof cover |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5961888A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61274199A (en) * | 1985-05-30 | 1986-12-04 | 日野自動車株式会社 | Method of mounting sound-insulating cover |
| US8109361B2 (en) | 2006-07-20 | 2012-02-07 | Kobe Steel, Ltd. | Solid-borne sound reducing structure |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5036929U (en) * | 1973-08-07 | 1975-04-17 | ||
| JPS51146665U (en) * | 1975-05-19 | 1976-11-25 |
-
1982
- 1982-09-30 JP JP57172570A patent/JPS5961888A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5961888A (en) | 1984-04-09 |
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