JPH0346206Y2 - - Google Patents
Info
- Publication number
- JPH0346206Y2 JPH0346206Y2 JP1985072199U JP7219985U JPH0346206Y2 JP H0346206 Y2 JPH0346206 Y2 JP H0346206Y2 JP 1985072199 U JP1985072199 U JP 1985072199U JP 7219985 U JP7219985 U JP 7219985U JP H0346206 Y2 JPH0346206 Y2 JP H0346206Y2
- Authority
- JP
- Japan
- Prior art keywords
- cylinder head
- gasket
- head cover
- rubber gasket
- circumferential groove
- 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
Links
- 230000000694 effects Effects 0.000 description 6
- 238000007789 sealing Methods 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Gasket Seals (AREA)
Description
【考案の詳細な説明】
〈産業上の利用分野〉
本考案はシリンダヘツドカバーのシリンダヘツ
ドへの取付面に装着されるガスケツトの取付構造
の改良に関する。[Detailed Description of the Invention] <Industrial Application Field> The present invention relates to an improvement in the mounting structure of a gasket mounted on the mounting surface of a cylinder head cover to a cylinder head.
〈従来の技術〉
内燃機関における合成樹脂製のシリンダヘツド
カバーのシリンダヘツドへの取付面には、ゴムガ
スケツトが装着される。<Prior Art> A rubber gasket is attached to the mounting surface of a cylinder head cover made of synthetic resin to a cylinder head in an internal combustion engine.
かかるゴムガスケツトの取付構造は従来第２図
に示すようになつている。 A conventional mounting structure for such a rubber gasket is shown in FIG.
即ち、図において、１はシリンダヘツドカバ
ー、２はシリンダヘツドである。該シリンダヘツ
ドカバー１の取付フランジ１Ａには、ガスケツト
取付用周溝３が形成されており、ゴムガスケツト
４は、該周溝３に嵌入される。 That is, in the figure, 1 is a cylinder head cover and 2 is a cylinder head. A circumferential groove 3 for attaching a gasket is formed in the mounting flange 1A of the cylinder head cover 1, and the rubber gasket 4 is fitted into the circumferential groove 3.
そして、ゴムガスケツト４のシリンダヘツドカ
バー１からの脱落防止のために、従来では、該ゴ
ムガスケツト４を、これ自身の弾性力により周溝
３内面に圧接して、フリクシヨン始めするか、域
いは接着剤によつて固定するようにしている。 In order to prevent the rubber gasket 4 from falling off the cylinder head cover 1, conventionally the rubber gasket 4 is pressed against the inner surface of the circumferential groove 3 by its own elastic force and friction is started, or an adhesive is applied. It is fixed by
〈考案が解決しようとする問題点〉
しかしながら、このような従来のゴムガスケツ
ト４の取付構造では、シリンダヘツドカバー１を
シリンダヘツド２に締付固定するため装着される
ボルトの締付部間ピツチが長いと、該締付部間に
おけるゴムガスケツト４とシリンダヘツド２との
面圧を充分に確保できず、シール性が低下すると
いう問題点が生じる。<Problems to be solved by the invention> However, in such a conventional mounting structure of the rubber gasket 4, the pitch between the tightening parts of the bolts installed to tighten and fix the cylinder head cover 1 to the cylinder head 2 is long. Then, a problem arises in that sufficient surface pressure between the rubber gasket 4 and the cylinder head 2 between the tightened parts cannot be ensured, resulting in poor sealing performance.
又、従来の構造では、周溝３内面とゴムガスケ
ツト４とが密着する構成であり、シリンダヘツド
２からシリンダヘツドカバー１に伝わる振動の遮
断効果を高くしたい場合に、周溝３内面とゴムガ
スケツト４との間にクリアランスを設けることが
できない。 Furthermore, in the conventional structure, the inner surface of the circumferential groove 3 and the rubber gasket 4 are in close contact with each other, and when it is desired to increase the effect of blocking vibrations transmitted from the cylinder head 2 to the cylinder head cover 1, the inner surface of the circumferential groove 3 and the rubber gasket 4 are in close contact with each other. No clearance can be provided between them.
更に、接着剤によつて固定する構成のもので
は、ゴムガスケツト４の交換時に不都合であると
共に、製作に手間が掛かり、コスト的にも不利で
あるという欠点があつた。 Furthermore, the structure in which the rubber gasket 4 is fixed with adhesive has disadvantages in that it is inconvenient when replacing the rubber gasket 4, requires time and effort to manufacture, and is disadvantageous in terms of cost.
尚、従来実公昭59−22277号公報に示すように、
シリンダヘツドとシリンダヘツドカバーとの間の
防振機能及びオイルシール機能を共に満足する弾
性シール部材を設けたものがある。 In addition, as previously shown in Publication of Utility Model Publication No. 59-22277,
Some cylinder head cylinders are equipped with an elastic seal member that satisfies both the vibration isolation function and the oil seal function between the cylinder head and the cylinder head cover.
しかし、この従来例に開示されている内側ラバ
ーシール部材は、先に示した従来例と同様にシリ
ンダヘツドカバーの溝に単に嵌入されるものであ
る。 However, the inner rubber seal member disclosed in this prior art example is simply fitted into the groove of the cylinder head cover, similar to the prior art example shown above.
本考案は前述したような従来の問題点に鑑みな
されたもので、ガスケツトとシリンダヘツドカバ
ーのガスケツト取付用周溝の簡単な形状の改良に
より、従来の問題点を解消することを目的とす
る。 The present invention was devised in view of the conventional problems as described above, and aims to solve the conventional problems by simply improving the shape of the gasket and the circumferential groove for attaching the gasket of the cylinder head cover.
〈問題点を解決するための手段〉
このため本考案は、シリンダヘツドカバーを締
付手段によつて締付固定するシリンダヘツドへの
取付面に形成されたガスケツト取付用周溝内底面
の、溝幅方向の略中間位置に、該溝の深さ方向に
突出し、かつ少なくとも前記締付手段の締付部間
部分に連続して延びる凸部を形成し、ガスケツト
の前記溝内底面との接触面に、前記凸部に対応し
て連続して延び該凸部に嵌合する凹部であつて、
該凹部が開口から底に向かうに従つて大なるよう
に傾斜するテーパ面を内側面に設けた凹部を形成
した構成とする。<Means for Solving the Problems> For this reason, the present invention provides a groove in the inner bottom surface of the circumferential gasket mounting groove formed on the mounting surface to the cylinder head that tightens and fixes the cylinder head cover using the tightening means. A convex portion that protrudes in the depth direction of the groove and extends continuously at least in a portion between the tightening portions of the tightening means is formed at a substantially intermediate position in the width direction, and the contact surface with the inner bottom surface of the groove of the gasket is formed. a recess that extends continuously corresponding to the projection and fits into the projection;
The recess is configured such that the recess is provided with a tapered surface on its inner surface that becomes larger as it goes from the opening toward the bottom.
〈作用〉
そして、ガスケツトを周溝の凸部に嵌入して取
り付ける構成により、該ガスケツトの離脱防止を
万全に図れると共に、ガスケツトの振動遮断効果
を高いものにしたい場合には、周溝内面とガスケ
ツトと間にクリアランスを設けることができ、
又、シリンダヘツドカバーをシリンダヘツドに締
付固定するため装着されるボルトの締付部間にお
けるガスケツトとシリンダヘツドとの面圧を充分
に確保でき、シール性の向上を図れる。<Function> By attaching the gasket by fitting it into the convex part of the circumferential groove, it is possible to completely prevent the gasket from coming off, and if you want to increase the vibration isolation effect of the gasket, the inner surface of the circumferential groove and the gasket can be Clearance can be provided between the
Further, sufficient surface pressure between the gasket and the cylinder head can be ensured between the tightening portions of the bolts attached to tighten and fix the cylinder head cover to the cylinder head, and sealing performance can be improved.
〈実施例〉
以下、本考案の実施例を第１図に基づいて説明
する。<Example> Hereinafter, an example of the present invention will be described based on FIG. 1.
図において、５はシリンダヘツド、６はシリン
ダヘツドカバー、７は該シリンダヘツドカバー６
をシリンダヘツド５に取り付けるためのフランジ
部、８は該フランジ部７に取り付けられて、フラ
ンジ部７とシリンダヘツド５との取付面間に介装
されるゴムガスケツトである。 In the figure, 5 is the cylinder head, 6 is the cylinder head cover, and 7 is the cylinder head cover 6.
A flange portion 8 for attaching the cylinder head 5 to the cylinder head 5 is a rubber gasket attached to the flange portion 7 and interposed between the mounting surfaces of the flange portion 7 and the cylinder head 5.
そして、前記フランジ部７のシリンダヘツド５
への取付面には、ガスケツト取付用周溝９が全周
に亘り形成されている。このガスケツト取付用周
溝９内底面の、溝幅方向の略中間位置には、該周
溝９の深さ方向に突出する凸部１０が形成されて
いる。この凸部１０は、第１図Ｄに示すように、
ゴムガスケツト８の各ボルト１１の締付部間部分
に直線的に連続して延びて形成されている。 Then, the cylinder head 5 of the flange portion 7
A circumferential gasket mounting groove 9 is formed all around the mounting surface of the gasket. A convex portion 10 that protrudes in the depth direction of the circumferential groove 9 is formed at a substantially middle position in the groove width direction on the inner bottom surface of the circumferential groove 9 for gasket attachment. This convex portion 10, as shown in FIG. 1D,
The rubber gasket 8 is formed to extend linearly and continuously between the tightening portions of the bolts 11 of the rubber gasket 8.
尚、第１図Ｄ中１３はゴムガスケツト８に設け
られたボルト挿通孔である。 Note that 13 in FIG. 1D is a bolt insertion hole provided in the rubber gasket 8.
前記ゴムガスケツト８の周溝９内底面との接触
面には、前記凸部１０に嵌合する凹部１２が形成
されている。この凹部１２の内側面には、該凹部
１２が開口から底に向かうに従つて大なるように
傾斜するテーパ面１２ａが設けられている。 A recess 12 that fits into the protrusion 10 is formed in the contact surface of the rubber gasket 8 with the inner bottom surface of the circumferential groove 9. The inner surface of the recess 12 is provided with a tapered surface 12a that becomes larger as the recess 12 goes from the opening to the bottom.
尚、ゴムガスケツト８は、第１図Ｂに示すよう
に、周溝９に取り付けられるわけであるが、ゴム
ガスケツト８の振動遮断効果を高いものにしたい
場合には、周溝９内面とゴムガスケツト８との間
にクリアランスが設けられるように、該ゴムガス
ケツト８の形状を設定しておく。 The rubber gasket 8 is attached to the circumferential groove 9 as shown in FIG. The shape of the rubber gasket 8 is set so that a clearance is provided between the two.
かかる構成によれば、ゴムガスケツト８を周溝
９の凸部１０に嵌入して取り付けるようにしたか
ら、該凸部１０と凹部１２の接触面間に作用する
フリクシヨンにより、ゴムガスケツト８は周溝９
に離脱することなく保持される。 According to this configuration, since the rubber gasket 8 is attached by fitting into the convex portion 10 of the circumferential groove 9, the friction acting between the contact surfaces of the convex portion 10 and the concave portion 12 moves the rubber gasket 8 into the circumferential groove 9.
It is maintained without leaving.
そして、このようなゴムガスケツト８の取付に
より、周溝９内面とゴムガスケツト８との間にク
リアランスを設けることができるので、ゴムガス
ケツト８の、シリンダヘツド５からシリンダヘツ
ドカバー６に伝わる振動の遮断効果を高いものに
できる。又、ゴムガスケツト８を締め過ぎた場
合、クリアランスがゴムガスケツト８の逃げ部と
なるため、該ゴムガスケツト８の破壊を効果的に
防止できるという利点もある。ボルト１１の締付
力が、凸部１０を介してゴムガスケツト８に作用
するので、ボルト１１の締付部間におけるゴムガ
スケツト８とシリンダヘツド５との面圧を充分に
確保でき、シール性の向上を図れる。 By installing the rubber gasket 8 in this manner, a clearance can be provided between the inner surface of the circumferential groove 9 and the rubber gasket 8, so that the effect of the rubber gasket 8 on isolating vibrations transmitted from the cylinder head 5 to the cylinder head cover 6 can be increased. It can be made into something. Further, if the rubber gasket 8 is tightened too much, the clearance becomes a relief part for the rubber gasket 8, so there is an advantage that the rubber gasket 8 can be effectively prevented from being destroyed. Since the tightening force of the bolt 11 acts on the rubber gasket 8 via the convex portion 10, sufficient surface pressure between the rubber gasket 8 and the cylinder head 5 between the tightening portions of the bolt 11 can be ensured, improving sealing performance. I can figure it out.
又、従来の接着剤を用いるもののように、ゴム
ガスケツト８の交換に不都合がないと共に、製作
にも手間が掛からず、コスト的にも有利である。 Further, unlike those using conventional adhesives, there is no inconvenience in replacing the rubber gasket 8, and it does not require much time and effort to manufacture, which is advantageous in terms of cost.
特に、かかる構成によると、凸部１０と凹部１
２の接触面間に作用するフリクシヨンにより、ゴ
ムガスケツト８を周溝９に脱落することなく保持
する構成であるから、凸部１０の形状を抜け止め
機能を有する複雑な形状にする必要がなく、シリ
ンダヘツドカバー６のダイキヤスト成形等が容易
で、成形型等を単純化でき、製作性を向上するこ
とができるという利点がある。又、凸部１０と凹
部１２との嵌合時に、該凸部１０と凹部１２との
位置決めに労することもなく、ラフな嵌合作業が
実行でき、取付作業性に優れる。 In particular, according to this configuration, the convex portion 10 and the concave portion 1
Since the rubber gasket 8 is held in the circumferential groove 9 by the friction acting between the contact surfaces of the two, there is no need to make the protrusion 10 into a complicated shape with a retaining function, and the cylinder There are advantages in that die-cast molding of the head cover 6 is easy, the mold etc. can be simplified, and manufacturability can be improved. Further, when fitting the protrusion 10 and the recess 12, a rough fitting operation can be performed without any effort in positioning the protrusion 10 and the recess 12, and the installation workability is excellent.
〈考案の効果〉
以上説明したように、本考案によれば、シリン
ダヘツドカバーのシリンダヘツドへの取付面に形
成されたガスケツト取付用周溝内底面に、凸部を
形成する一方、前記ゴムガスケツトの溝内底面と
の接触面に、前記凸部に嵌合する凹部を設け、ゴ
ムガスケツトを前記凸部に嵌入して取り付ける構
成にしたから、該ゴムガスケツトの離脱防止を万
全に図れると共に、周溝内面とゴムガスケツトと
の間にクリアランスを設けることができるので、
ガスケツトの振動遮断効果を高いものにできると
共に、ガスケツトの破壊を防止でき、又、シリン
ダヘツドカバーをシリンダヘツドに締付固定する
ため装着されるボルト等の締付具の締付部間にお
けるガスケツトとシリンダヘツドとの面圧を充分
に確保でき、シール性の向上を図れ、ガスケツト
の交換性及び取付性にも優れている。特に、凸部
と凹部の接触面間に作用するフリクシヨンによ
り、ガスケツトを周溝に脱落することなく保持す
る構成であるから、凸部の形状を抜け止め機能を
有する複雑な形状にする必要がなく、シリンダヘ
ツドカバーの成形等が容易で、成形型等を単純化
でき、製作性を向上することができるという利点
があると共に、凸部と凹部との嵌合時に、該凸部
と凹部との位置決めに労することもなく、ラフな
嵌合作業が実行でき、取付作業性にすぐれるとい
う利点を有する実用的効果大なるものである。<Effects of the Invention> As explained above, according to the present invention, a convex portion is formed on the inner bottom surface of the circumferential gasket attachment groove formed on the attachment surface of the cylinder head cover to the cylinder head, and the rubber gasket is Since the concave portion that fits into the convex portion is provided on the contact surface with the bottom surface of the groove, and the rubber gasket is fitted and attached to the convex portion, it is possible to prevent the rubber gasket from coming off, and also to ensure that the inner surface of the circumferential groove and Clearance can be provided between the rubber gasket and
It is possible to improve the vibration isolation effect of the gasket, and also to prevent the gasket from being destroyed.In addition, the gasket can be used between the tightening parts of fasteners such as bolts installed to tighten and fix the cylinder head cover to the cylinder head. Sufficient surface pressure with the cylinder head can be ensured, sealing performance can be improved, and gasket replacement and installation are also excellent. In particular, because the friction acting between the contact surfaces of the convex part and the concave part holds the gasket without falling into the circumferential groove, there is no need for the convex part to have a complicated shape that has a retaining function. This has the advantage that the cylinder head cover can be easily molded, the mold etc. can be simplified, and manufacturing efficiency can be improved. This has great practical effects, with the advantage that rough fitting work can be carried out without any trouble in positioning, and the installation workability is excellent.
第１図は本考案に係わるシリンダヘツドカバー
用ガスケツトの取付構造の一実施例を示す図で、
Ａ，Ｂはガスケツトの取付部を示す断面図、Ｃは
シリンダヘツドカバーの正面図、Ｄはガスケツト
の平面図、第２図は従来のシリンダヘツドカバー
用ガスケツトの取付構造の一例を示す断面図であ
る。
５……シリンダヘツド、６……シリンダヘツド
カバー、８……ゴムガスケツト、９……ガスケツ
ト取付用周溝、１０……凸部、１２……凹部、１
２ａ……テーパ面。
FIG. 1 is a diagram showing an embodiment of the mounting structure for a cylinder head cover gasket according to the present invention.
A and B are sectional views showing the mounting portion of the gasket, C is a front view of the cylinder head cover, D is a plan view of the gasket, and Fig. 2 is a sectional view showing an example of a conventional gasket mounting structure for a cylinder head cover. be. 5... Cylinder head, 6... Cylinder head cover, 8... Rubber gasket, 9... Circumferential groove for gasket mounting, 10... Convex part, 12... Concave part, 1
2a...Tapered surface.
Claims (1)
固定するシリンダヘツドへの取付面に形成された
ガスケツト取付用周溝内底面の、溝幅方向の略中
間位置に、該溝の深さ方向に突出し、かつ少なく
とも前記締付手段の締付部間部分に連続して延び
る凸部を形成し、ガスケツトの前記溝内底面との
接触面に、前記凸部に対応して連続して延び該凸
部に嵌合する凹部であつて、該凹部が開口から底
に向かうに従つて大なるように傾斜するテーパ面
を内側面に設けた凹部を形成したことを特徴とす
るシリンダヘツドカバー用ガスケツトの取付構
造。 The cylinder head cover is tightened and fixed by the tightening means.The cylinder head cover is tightened and fixed by the tightening means.The cylinder head cover is tightened and fixed by the tightening means.The cylinder head cover is tightened and fixed at the bottom surface of the circumferential groove for gasket mounting formed on the mounting surface to the cylinder head. , and at least a convex portion extending continuously between the tightening portions of the tightening means is formed, and a convex portion extending continuously corresponding to the convex portion is formed on a contact surface with the bottom surface of the groove of the gasket. Attachment of a gasket for a cylinder head cover, characterized in that the recess is fitted into a recess, the recess having an inner surface with a tapered surface that becomes larger from the opening toward the bottom. structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985072199U JPH0346206Y2 (en) | 1985-05-17 | 1985-05-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985072199U JPH0346206Y2 (en) | 1985-05-17 | 1985-05-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61187945U JPS61187945U (en) | 1986-11-22 |
| JPH0346206Y2 true JPH0346206Y2 (en) | 1991-09-30 |
Family
ID=30610392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985072199U Expired JPH0346206Y2 (en) | 1985-05-17 | 1985-05-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0346206Y2 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002137643A (en) * | 2000-11-02 | 2002-05-14 | Nifco Inc | Connector for fuel tank |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0668329B2 (en) * | 1988-05-18 | 1994-08-31 | 株式会社クボタ | Rice transplanter planting case structure |
| JP4634772B2 (en) * | 2004-10-14 | 2011-02-16 | ミライアル株式会社 | Storage container |
| JP5056724B2 (en) * | 2008-10-31 | 2012-10-24 | トヨタ自動車株式会社 | gasket |
| KR20120004154U (en) * | 2010-12-02 | 2012-06-12 | 생-고뱅 퍼포먼스 플라스틱스 코포레이션 | Polyvinyl chloride foam gasket |
| JP7104601B2 (en) * | 2018-09-28 | 2022-07-21 | タキロンシーアイ株式会社 | Packing and water stopping method and water stopping structure using this |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5925743B2 (en) * | 1976-04-16 | 1984-06-20 | 大日本塗料株式会社 | Sealing method for ceramics and glass |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52162364U (en) * | 1976-06-02 | 1977-12-09 | ||
| JPS5925743U (en) * | 1982-08-10 | 1984-02-17 | 内山工業株式会社 | Gasket mounting structure |
-
1985
- 1985-05-17 JP JP1985072199U patent/JPH0346206Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5925743B2 (en) * | 1976-04-16 | 1984-06-20 | 大日本塗料株式会社 | Sealing method for ceramics and glass |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002137643A (en) * | 2000-11-02 | 2002-05-14 | Nifco Inc | Connector for fuel tank |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61187945U (en) | 1986-11-22 |
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