JPH0849717A - Mounting structure of washer seal - Google Patents
Mounting structure of washer sealInfo
- Publication number
- JPH0849717A JPH0849717A JP20433594A JP20433594A JPH0849717A JP H0849717 A JPH0849717 A JP H0849717A JP 20433594 A JP20433594 A JP 20433594A JP 20433594 A JP20433594 A JP 20433594A JP H0849717 A JPH0849717 A JP H0849717A
- Authority
- JP
- Japan
- Prior art keywords
- seal
- cover member
- washer
- leaf spring
- mounting structure
- 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.)
- Granted
Links
Landscapes
- Bolts, Nuts, And Washers (AREA)
- Gasket Seals (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、締付け具と固定部材と
の間に装着されるワッシャーシールに関し、具体的には
カバー部材の面圧分布を均一化してワッシャーシールと
ガスケットのヘタリを防ぎ良好な装着作業性と防振性を
ももたらすワッシャーシールの取付構造に関するもので
ある。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a washer seal mounted between a tightening tool and a fixing member, and more specifically, the surface pressure distribution of a cover member is made uniform so as to prevent the washer seal and the gasket from settling. The present invention relates to a washer seal mounting structure that also provides excellent mounting workability and vibration isolation.
【０００２】[0002]
【従来の技術】従来、エンジンのロッカーカバーあるい
はオイルパンの如きカバー部材を装着固定するには、カ
バー部材の要所要所にボルト等の締付け具を配設してそ
の周囲に装着したガスケットと共に締付けをなさしめて
おり、その締付け具の防振とカバー部材との密封などを
図るために締付け具とカバー部材との間に弾性体と補強
材とからなるワッシャーシールを装着している。2. Description of the Related Art Conventionally, in order to mount and fix a cover member such as a rocker cover or an oil pan of an engine, a tightening tool such as a bolt is arranged at a required portion of the cover member and is tightened together with a gasket mounted around it. A washer seal made of an elastic body and a reinforcing material is mounted between the fastening tool and the cover member in order to prevent vibration of the fastening tool and to seal the cover member.
【０００３】以下図面を参照しつつ詳述する。この構造
の多くは、図３に示すように、リング形状をなす弾性体
（４）とこれの上方に輪形状の金属製ワッシャー（５）
を配設一体化してワッシャーシールを構成しており、こ
れがボルト（３）と共にカバー部材（２）に装着され、
該ボルト（３）に締付け力を与えることでカバー部材
（２）と該カバー部材（２）に装着されたガスケット
（１）がシリンダヘッド（６）へ取付け固定されてい
た。A detailed description will be given below with reference to the drawings. Most of these structures are, as shown in FIG. 3, a ring-shaped elastic body (4) and a ring-shaped metal washer (5) above the elastic body (4).
Are integrated with each other to form a washer seal, which is attached to the cover member (2) together with the bolt (3),
The cover member (2) and the gasket (1) mounted on the cover member (2) were attached and fixed to the cylinder head (6) by applying a tightening force to the bolt (3).
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、図３に
示すようなカバー部材（２）の取付構造にあっては、前
記ワッシャーシールの締付け圧力によってガスケット
（１）に必要なる面圧をカバー部材（２）のフランジ
（２１）へ与えるものであるから該フランジ（２１）の
接触面の平面度が重要となり、締付けたことで少しでも
該フランジ（２１）に歪が生じるとガスケット（１）の
面圧を局部的に弱め密封力を甚だ不安定なものとする。
このため、前記フランジ（２１）に対して狭間隔にボル
ト（３）及びワッシャーシールを配置して歪の防止をな
すか、あるいは該フランジ（２１）そのものの強度を高
める補強材（例えばスティフナー。図示していない）を
増設するなどの強度対策を必要としていた。However, in the mounting structure of the cover member (2) as shown in FIG. 3, the surface pressure required for the gasket (1) is increased by the tightening pressure of the washer seal. Since the flatness of the contact surface of the flange (21) is important because it is applied to the flange (21) of 2), the surface of the gasket (1) will be deformed even if the flange (21) is slightly distorted by tightening. The pressure is locally weakened and the sealing force becomes extremely unstable.
Therefore, the bolt (3) and the washer seal are arranged at a narrow interval with respect to the flange (21) to prevent distortion, or a reinforcing material (for example, a stiffener, which enhances the strength of the flange (21) itself. Strength measures such as adding (not shown) were needed.
【０００５】また、合成ゴム等でなる前記ワッシャーシ
ールの弾性体（４）及びガスケット（１）は、多少の硬
度の差異はあっても性能を保つ最適な締付け圧力はある
一定の幅を有するものであり、一般的に締付けトルク３
０kgf・cm〜６０kgf・cmがその範囲と考えられ、これ以
上の荷重が該弾性体及びガスケットに加わるとトルクダ
ウン（応力緩和）したり過大な横流れ変形によって破壊
を招いたりする欠点と危険性を有している。本発明はこ
のような重大な欠点に鑑み、ガスケット（１）に対して
広い範囲で均一な面圧を与えワッシャーシールの応力緩
和を防いで長期の使用に耐える防振性の良好なシールワ
ッシャーの取付構造を提供することを目的としている。Further, the elastic body (4) and the gasket (1) of the washer seal made of synthetic rubber or the like have a certain width in which the optimum tightening pressure for maintaining the performance is maintained although there is a slight difference in hardness. And generally tightening torque 3
It is considered that the range is 0 kgf · cm to 60 kgf · cm, and if a load more than this is applied to the elastic body and the gasket, there will be a drawback and risk of torque reduction (stress relaxation) or destruction due to excessive lateral flow deformation. Have In view of such a serious drawback, the present invention provides a seal washer which has a uniform surface pressure in a wide range to the gasket (1), prevents stress relaxation of the washer seal, and is durable against long-term use. It is intended to provide a mounting structure.
【０００６】[0006]
【課題を解決するための手段】本発明は、図１及び図２
に示すように、カバー部材（２）を装着固定するワッシ
ャーシールの取付構造であって、弾性体でシール部本体
（７）を形成し、該シール部本体（７）の補強をなして
その両側に伸びる板バネ（８）を配設すると共に該板バ
ネ（８）の両端に吸振パッド（９）を設け、カバー部材
（２）のフランジ部（２１）に取付けることを特徴とし
ている。SUMMARY OF THE INVENTION The present invention relates to FIGS.
As shown in FIG. 3, there is provided a washer seal mounting structure for mounting and fixing a cover member (2), wherein a seal portion main body (7) is formed of an elastic body, and the seal portion main body (7) is reinforced and both sides thereof are reinforced. It is characterized in that a leaf spring (8) extending in the direction is arranged, vibration absorbing pads (9) are provided at both ends of the leaf spring (8), and attached to the flange portion (21) of the cover member (2).
【０００７】[0007]
【作用】本発明は、上記したように、エンジンのシリン
ダヘッド（６）へガスケット（１）を装着したカバー部
材（２）を取付けるワッシャーシールであり、図１に示
すように、前記ワッシャーシールはシール部本体（７）
と該シール部本体（７）の補強材を兼ねその両側に伸出
する板バネ（８）と該板バネ（８）の両端に配設した吸
振パッド（９）とで構成されており、前記カバー部材
（２）のフランジ部（２１）の外表部へボルト（３）を
締付けて前記ワッシャーシールの板バネ（８）を介しシ
ール部本体（７）と該板バネ（８）に連なる両側の吸振
パッド（９）とを圧接触せしめる。この複数個の圧縮付
与部は前記のように一箇所のボルト（３）の締付け圧力
によって得られており、該一箇所の締付け圧力を板バネ
（８）によって両端の吸振パッド（９）まで均等に分散
せしめ、この締付け部分の近辺一帯のフランジ（２１）
とその内側部に位置する広範囲のガスケット（１）とが
良好な締付け状態におかれる。As described above, the present invention is a washer seal for mounting a cover member (2) having a gasket (1) attached to a cylinder head (6) of an engine, as shown in FIG. Seal body (7)
And a leaf spring (8) that doubles as a reinforcing member of the seal part body (7) and extends to both sides thereof, and vibration absorbing pads (9) arranged at both ends of the leaf spring (8). A bolt (3) is fastened to the outer surface of the flange portion (21) of the cover member (2), and the seal portion main body (7) and the both sides connected to the leaf spring (8) are connected via the leaf spring (8) of the washer seal. The vibration absorbing pad (9) is brought into pressure contact. The plurality of compression imparting portions are obtained by the tightening pressure of the bolt (3) at one location as described above, and the tightening pressure at the one location is evenly distributed to the vibration absorbing pads (9) at both ends by the leaf spring (8). The flanges (21) around the tightening area.
And a wide range of gaskets (1) located on the inner side thereof are placed in a favorable tightened state.
【０００８】[0008]
【実施例】本発明を実施するに、図２に示すようなシー
ル本体部（７）の補強をなす部分から伸出する板バネ
（８）のばね強度と伸出寸法は、カバー部材（２）の周
囲に配置するボルト（３）の本数かあるいは該カバー部
材（２）のフランジ強度さらにはシール本体部（７）及
び吸振パッド（９）の硬度などによって決定されるもの
であるが、ボルト配備数においては、その付近に及ぼす
良好な締付け状況から少なくとも通常配備していた本数
の１／２から１／３程度にまで数量を減じることが可能
となる。また、複数の吸振パッド（９）のフランジ（２
１）への接触によって分散されたシール本体部（７）へ
加わる締付け圧力は、組立ラインの空圧レンチなどで締
付けトルク７０kgf・cm〜９０kgf・cm程度の強締付けが
なされても、そのトルクは５０kgf・cm〜６０kgf・cm程
度にまで分散配給され、従来のようなトルクダウン（応
力緩和）や過大な横流れ変形を発生させない。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS To carry out the present invention, the leaf spring (8) extending from the reinforcing portion of the seal body (7) as shown in FIG. ) Is determined by the number of bolts (3) arranged around (1) or the flange strength of the cover member (2) and the hardness of the seal body (7) and the vibration absorbing pad (9). In terms of the number of deployments, it is possible to reduce the number to at least about 1/2 to 1/3 of the number that was normally deployed due to the favorable tightening conditions that affect the vicinity. Also, the flanges (2) of the plurality of vibration absorbing pads (9) are
Even if the tightening pressure applied to the seal body (7) dispersed by the contact with 1) is tightened with a pneumatic wrench on the assembly line at a tightening torque of 70 kgf ・ cm to 90 kgf ・ cm, the torque is It is distributed up to about 50kgf ・ cm to 60kgf ・ cm, and does not cause torque reduction (stress relaxation) or excessive lateral flow deformation as in the past.
【０００９】[0009]
【発明の効果】上記のような構成によって、以下に示す
優れた効果が得られる。本発明のワッシャーシールは前
記のように、一箇所の締付け圧力によってその締付け近
辺一帯とその内側部に位置する広い範囲のガスケット
（１）が良好な締付け状態におかれ、ワッシャーシール
の応力緩和を防いでガスケット（１）に長期間不変な締
圧を提供する。また、締付け部の付近一帯に及ぼす良好
な締付け状況からボルト配備数を減じることが可能とな
る。このボルト配備の減少はカバー部材（２）の装着作
業性を大きく向上させるばかりでなくエンジンそのもの
の軽量化をも果たす。With the above-described structure, the following excellent effects can be obtained. In the washer seal of the present invention, as described above, a wide range of gaskets (1) located in the vicinity of the tightening area and in the inner side thereof are in a good tightening state by the tightening pressure at one place, and stress relaxation of the washer seal is achieved. Prevents and provides a long-lasting clamping pressure on the gasket (1). In addition, the number of bolts can be reduced from the favorable tightening condition that affects the entire area around the tightening portion. This reduction in the number of bolts not only greatly improves the workability of mounting the cover member (2), but also reduces the weight of the engine itself.
【００１０】[0010]
【図１】本発明の一実施例を示す断面図である。FIG. 1 is a sectional view showing an embodiment of the present invention.
【図２】図１のＢ−Ｂ′断面図である。FIG. 2 is a sectional view taken along line BB ′ of FIG.
【図３】本発明の他の実施例を示す断面図である。FIG. 3 is a sectional view showing another embodiment of the present invention.
１ ガスケット ２ カバー部材 ２１ フランジ部 ３ ボルト ４ リング形状をなす弾性体 ５ 輪形状の金属製ワッシャー ６ エンジンのシリンダヘッド ７ シール部本体 ８ 板バネ ９ 吸振パッド 1 gasket 2 cover member 21 flange part 3 bolt 4 ring-shaped elastic body 5 ring-shaped metal washer 6 engine cylinder head 7 seal body 8 leaf spring 9 vibration absorption pad
Claims (1)
あって、これらを取付け固定するためにボルトと共に用
いられる弾性体と補強板からなったワッシャーシールの
取付構造において、前記ワッシャーシールはシール部本
体と該シール部本体の補強材を兼ねその両側に伸出する
板バネと該板バネの両端に配設した吸振パッドからな
り、前記カバー部材のガスケットを内掴するフランジ部
に対し、その外表部へボルトを介して前記ワッシャーシ
ールのシール部本体と吸振パッドとを圧接せしめたこと
を特徴としたワッシャーシールの取付構造。1. A cover member having a gasket attached thereto, wherein a washer seal has a mounting structure comprising an elastic body and a reinforcing plate which are used together with a bolt to fix and fix the cover member and the seal body. A flange portion for holding the gasket of the cover member inside, and a flange portion for holding the gasket of the cover member to the outer surface portion, which is composed of a leaf spring which also serves as a reinforcing member of the seal portion main body and extends to both sides thereof and arranged at both ends of the leaf spring. A washer seal mounting structure, characterized in that the main body of the washer seal and the vibration absorbing pad are pressed against each other via a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20433594A JP3413457B2 (en) | 1994-08-05 | 1994-08-05 | Washer seal mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20433594A JP3413457B2 (en) | 1994-08-05 | 1994-08-05 | Washer seal mounting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0849717A true JPH0849717A (en) | 1996-02-20 |
| JP3413457B2 JP3413457B2 (en) | 2003-06-03 |
Family
ID=16488800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20433594A Expired - Fee Related JP3413457B2 (en) | 1994-08-05 | 1994-08-05 | Washer seal mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3413457B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010236694A (en) * | 2009-03-30 | 2010-10-21 | Commissariat A L'energie Atomique & Aux Energies Alternatives | Metal lip seal and machine attached with the same |
| KR102536906B1 (en) * | 2022-10-26 | 2023-05-26 | 주식회사 신성 | Pellet manufacturing equipment |
-
1994
- 1994-08-05 JP JP20433594A patent/JP3413457B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010236694A (en) * | 2009-03-30 | 2010-10-21 | Commissariat A L'energie Atomique & Aux Energies Alternatives | Metal lip seal and machine attached with the same |
| KR102536906B1 (en) * | 2022-10-26 | 2023-05-26 | 주식회사 신성 | Pellet manufacturing equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3413457B2 (en) | 2003-06-03 |
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