JP2972119B2 - Metal-laminated gasket consisting only of a pair of upper and lower plates - Google Patents

Metal-laminated gasket consisting only of a pair of upper and lower plates

Info

Publication number
JP2972119B2
JP2972119B2 JP7133621A JP13362195A JP2972119B2 JP 2972119 B2 JP2972119 B2 JP 2972119B2 JP 7133621 A JP7133621 A JP 7133621A JP 13362195 A JP13362195 A JP 13362195A JP 2972119 B2 JP2972119 B2 JP 2972119B2
Authority
JP
Japan
Prior art keywords
bead
plate
pair
piece
folded
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 - Fee Related
Application number
JP7133621A
Other languages
Japanese (ja)
Other versions
JPH08326917A (en
Inventor
宮應芳男
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ISHIKAWA GASUKETSUTO KK
Original Assignee
ISHIKAWA GASUKETSUTO KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ISHIKAWA GASUKETSUTO KK filed Critical ISHIKAWA GASUKETSUTO KK
Priority to JP7133621A priority Critical patent/JP2972119B2/en
Priority to US08/652,030 priority patent/US5700016A/en
Priority to ES96303851T priority patent/ES2140789T3/en
Priority to DE69606224T priority patent/DE69606224T2/en
Priority to EP96303851A priority patent/EP0745792B1/en
Priority to KR1019960018973A priority patent/KR100196987B1/en
Publication of JPH08326917A publication Critical patent/JPH08326917A/en
Application granted granted Critical
Publication of JP2972119B2 publication Critical patent/JP2972119B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/08—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with exclusively metal packing
    • F16J15/0818—Flat gaskets
    • F16J15/0825—Flat gaskets laminated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/08—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with exclusively metal packing
    • F16J15/0818—Flat gaskets
    • F16J2015/0837—Flat gaskets with an edge portion folded over a second plate or shim
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/08—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with exclusively metal packing
    • F16J15/0818—Flat gaskets
    • F16J2015/0843—Flat gaskets with an edge portion folded over the plate itself
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/08—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with exclusively metal packing
    • F16J15/0818—Flat gaskets
    • F16J2015/0856—Flat gaskets with a non-metallic coating or strip

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gasket Seals (AREA)

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【０００１】[0001]

【産業上の利用分野】本発明は、上下一対の板のみで構
成し、ビードを用いてシール穴のシール面圧を確保する
ようにした金属積層形ガスケットに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a metal laminated gasket comprising only a pair of upper and lower plates and using a bead to secure a sealing surface pressure in a sealing hole.

【０００２】[0002]

【従来の技術】上下一対の板のみで構成し、ビードを用
いてシール面のシール面圧を確保するようにした金属積
層形ガスケットとしては、例えば、実公平３−２２５３
９号公報所載のものがあり、図２で示すものが所載のも
のの一つである。2. Description of the Related Art As a metal-laminated gasket composed of only a pair of upper and lower plates and using a bead to secure the sealing surface pressure of the sealing surface, for example, Japanese Utility Model Publication No. 3-2253
No. 9 is described in the publication, and one shown in FIG. 2 is one of the publications.

【０００３】この従来例のものは、上板１−１と下板２
−１のみで構成し、下板２−１に液体穴３−１を取り囲
むビード４−１を形成し、このビード４−１に重ならな
いようにして前記液体穴３−１を取り囲む上板１−１の
端縁部１ａ−１を配したものである。なお、５−１は燃
焼室穴、６−１は該燃焼室穴５−１を構成し、燃焼室穴
５−１のシール面圧を確保するための折り返し部であ
る。[0003] This conventional example comprises an upper plate 1-1 and a lower plate 2
-1, the lower plate 2-1 has a bead 4-1 surrounding the liquid hole 3-1 and the upper plate 1 surrounding the liquid hole 3-1 so as not to overlap the bead 4-1. -1 is disposed. In addition, 5-1 is a combustion chamber hole, and 6-1 constitutes the combustion chamber hole 5-1 and is a folded portion for securing a sealing surface pressure of the combustion chamber hole 5-1.

【０００４】[0004]

【発明が解決しようとする課題】前記従来構造のもの
は、上板１−１と下板２−１の板厚の総和によってビー
ド４−１の沈み（圧潰）量を規制し、ビード４−１のば
ね性によってシール面圧を確保しようとするものである
が、ビード４−１のばね定数を一定としたとき、ビード
４−１部分のシール面圧の大きさを調整するにはその手
段がなく、上板１−１を別の素材のものに変更しなけれ
ばならない。In the conventional structure, the amount of sinking (crushing) of the bead 4-1 is regulated by the total thickness of the upper plate 1-1 and the lower plate 2-1. In order to adjust the magnitude of the sealing surface pressure of the bead 4-1 when the spring constant of the bead 4-1 is constant, the sealing means is intended to secure the sealing surface pressure by the resilience of the bead 4-1. Therefore, the upper plate 1-1 must be changed to another material.

【０００５】本発明は、斯様な従来例の欠点に着目して
創案したものである。The present invention has been made by focusing on such a drawback of the conventional example.

【０００６】[0006]

【課題を解決するための手段】上下一対の板のみで構成
し、一方の板を他の一方の板側に折り返してシール穴を
構成する折り返し部を設け、該折り返し部を取り囲む第
一ビードを折り返し部の折り返し片より外側にして前記
他の一方の板に形成し、折り返し部内に存する他の一方
の板の部分片を薄肉にし、この部分片の板厚をｂ′、他
の一方の板の板厚をｂおよび一方の板の板厚をａとした
とき、ａ＋ｂ′＞ｂの関係にすると共に、前記一方の板
に、前記シール穴を取り囲み、かつ、前記部分片ないし
前記折り返し片に重なり合う第二ビードを設け、さら
に、他の一方の板の前記部分片部分を除いた内面に、前
記一方の板の内面に密接する、フッ素ゴム、ＮＢＲ、シ
リコンゴム或いはエポキシ樹脂などを素材とする被膜層
を設けた、上下一対の板のみで構成した構成とする。Means for Solving the Problems A pair of upper and lower plates are provided, only one plate is folded back to the other plate side to provide a folded portion forming a seal hole, and a first bead surrounding the folded portion is provided. Formed on the other one of the plates so as to be outside of the folded portion of the folded portion, the thickness of the partial portion of the other plate existing in the folded portion is reduced, the thickness of the partial portion is b ', and the other one of the plates is Where b is the thickness of one plate and a is the thickness of one plate, a + b '> b is satisfied, and the one plate surrounds the sealing hole, and the partial piece or the folded piece has An overlapping second bead is provided, and the inner surface of the other plate excluding the partial piece portion is made of a material such as fluororubber, NBR, silicone rubber, or epoxy resin that is in close contact with the inner surface of the one plate. Top and bottom pair with coating layer A configuration consisting of only a plate.

【０００７】[0007]

【０００８】[0008]

【実施例】図１は本発明の上下一対の板のみで構成した
金属積層形ガスケットをシリンダヘッド用に適用した一
例を示している。FIG. 1 shows an example in which a metal laminated gasket comprising only a pair of upper and lower plates of the present invention is applied to a cylinder head.

【０００９】本発明に係るガスケットＡは、ステンレス
スチールで構成した上下一対の板１，２のみで構成し、
上板１を折り返して下板２に重ね合わせて折り返し部６
を設け、この折り返し部６で燃焼室穴５を構成させる一
方、所要個所において前記上下一対の板１，２を穿設し
て液体穴３を設けたものである。The gasket A according to the present invention comprises only a pair of upper and lower plates 1 and 2 made of stainless steel,
The upper plate 1 is folded back and overlapped with the lower plate 2 to form a folded portion 6
The combustion chamber hole 5 is formed by the folded portion 6, while the liquid hole 3 is provided by drilling the pair of upper and lower plates 1 and 2 at required locations.

【００１０】前記折り返し部６を構成する上板１には、
燃焼室穴５を取り囲み、かつ、折り返し部６内に存す
る、下板２の部分片７ないし折り返し部６の折り返し片
８に重なり合う下向きの第二ビード９を設け、この第二
ビード９と同方向にして燃焼室穴シール用の第一ビード
１０を下板２に設け、第一ビード１０は、前記折り返し
部６を取り囲むようにして折り返し部６の近傍に配置し
てある。[0010] The upper plate 1 constituting the folded portion 6 includes:
A second downward bead 9 is provided to surround the combustion chamber hole 5 and to overlap the partial piece 7 of the lower plate 2 or the folded piece 8 of the folded part 6 which is present in the folded part 6 and in the same direction as the second bead 9. The first bead 10 for sealing the combustion chamber hole is provided on the lower plate 2, and the first bead 10 is disposed near the folded portion 6 so as to surround the folded portion 6.

【００１１】また、前記液体穴３を構成する下板２部
は、第一ビード１０よりバネ定数の小さい液体穴シール
ビード４を成し、この液体穴シールビード４の中央部に
液体穴３を形成してある。The lower plate 2 forming the liquid hole 3 forms a liquid hole seal bead 4 having a smaller spring constant than the first bead 10, and the liquid hole 3 is formed at the center of the liquid hole seal bead 4. It is formed.

【００１２】なお、下板２の部分片７を除いた内面に、
上板１の内面に密接する被膜層１１を設け、被膜層１１
は、フッ素ゴム、ＮＢＲ、シリコンゴム或いはエポキシ
樹脂を素材とする。The inner surface of the lower plate 2 excluding the partial pieces 7 is
A coating layer 11 is provided on the inner surface of the upper plate 1 so as to be in close contact therewith.
Is made of fluorine rubber, NBR, silicon rubber or epoxy resin.

【００１３】下板２の部分片７は、下板２の他の部分よ
り薄肉にし、この部分片７の板厚をｂ′、下板２の他の
部分の板厚をｂおよび上板１の板厚をａとしたとき、ａ
＋ｂ′＞ｂの関係になるようにしてあり、部分片７の薄
肉にする手段はコイニング或いはエッチングがあり、実
施例では折り返し片８側をコイニングして部分片７を薄
肉にして断面切欠状面とし、該部分片７に折り返し片８
を重ね合わせてある。The partial piece 7 of the lower plate 2 is made thinner than the other parts of the lower plate 2, and the thickness of the partial piece 7 is b ', the thickness of the other parts of the lower plate 2 is b and the upper plate 1 Where a is the thickness of
+ B '> b, and means for thinning the partial piece 7 include coining or etching. In this embodiment, the folded piece 8 side is coined to make the partial piece 7 thin and the sectional cutout surface And the folded piece 8
Are superimposed.

【００１４】しかして、シリンダーヘッドとシリンダー
ブロックとの間の機関装着面間に介在させ、締付けボル
トで締め付けて機関に装着すると、シール面圧は折り返
し部６のビード９部に最も大きく、以下、第一ビード１
０部、液体穴シールビード４部と段階的に小さくなり、
第二ビード９の塑性変形によって折り返し部６のシール
面圧が低減すると、第一ビード１０がこれを補償してガ
スシールが行われるのである。When the engine is interposed between the cylinder head and the cylinder block between the engine mounting surfaces and tightened with the tightening bolts and mounted on the engine, the seal surface pressure is greatest at the bead 9 of the turn-back portion 6. First bead 1
0 parts, liquid hole seal bead 4 parts
When the sealing surface pressure of the folded portion 6 is reduced by the plastic deformation of the second bead 9, the first bead 10 compensates for this and gas sealing is performed.

【００１５】また、折り返し部６のビード９部と燃焼室
穴シール第一ビード１０部を一定にしたとき、下板２の
部分片７の板厚ｂ′を変化させることで、第二ビード９
部と第一ビード１０部に発生する面圧を調整することが
でき、内燃機関の構造により、最も適した第二ビード９
部と第一ビード１０部の面圧を分布させることができ
る。 なお、液体穴３部は、液体穴シールビード４のシ
ール面圧の確保によって行われ、被膜層１１によって上
下板１，２間の液体の侵入は妨げられる。When the bead 9 of the folded portion 6 and the first bead 10 of the combustion chamber hole seal are fixed, by changing the thickness b 'of the partial piece 7 of the lower plate 2, the second bead 9 is formed.
The surface pressure generated in the section and the first bead 10 can be adjusted. Depending on the structure of the internal combustion engine, the most suitable
And the surface pressure of the first bead 10 can be distributed. The liquid hole 3 is formed by securing the sealing surface pressure of the liquid hole seal bead 4, and the coating layer 11 prevents liquid from entering between the upper and lower plates 1 and 2.

【００１６】[0016]

【発明の効果】本発明は前記の通りの構成であるから、
ビードの形状を一定としたとき折り返し片の板厚を変え
ることによって当該ビードの変形量を調整することがで
き、また、薄肉にした断面切欠状面の板厚を変化させる
ことでもビードのシール面圧を調整することができ、従
って、素材を代えることなく、面圧調整の行える構造の
ガスケットを提供できる。The present invention has the configuration described above,
When the shape of the bead is constant, the deformation amount of the bead can be adjusted by changing the plate thickness of the folded piece, and the seal surface of the bead can also be changed by changing the plate thickness of the thinned cross-sectional surface. The pressure can be adjusted, and therefore a gasket having a structure capable of adjusting the surface pressure without changing the material can be provided.

【図面の簡単な説明】[Brief description of the drawings]

【図１】断面図。FIG. 1 is a sectional view.

【図２】従来例の断面図。FIG. 2 is a sectional view of a conventional example.

【符号の説明】[Explanation of symbols]

１ 上板 ２ 下板 ５ 燃焼室穴 ６ 折り返し部 ７ 部分片 ８ 折り返し片 １０ 第一ビード DESCRIPTION OF SYMBOLS 1 Upper plate 2 Lower plate 5 Combustion chamber hole 6 Folded part 7 Partial piece 8 Folded piece 10 First bead

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項１】 上下一対の板のみで構成し、一方の板を
他の一方の板側に折り返してシール穴を構成する折り返
し部を設け、該折り返し部を取り囲む第一ビードを折り
返し部の折り返し片より外側にして前記他の一方の板に
形成し、折り返し部内に存する他の一方の板の部分片を
薄肉にし、この部分片の板厚をｂ′、他の一方の板の板
厚をｂおよび一方の板の板厚をａとしたとき、ａ＋ｂ′
＞ｂの関係にすると共に、前記一方の板に、前記シール
穴を取り囲み、かつ、前記部分片ないし前記折り返し片
に重なり合う第二ビードを設け、さらに、他の一方の板
の前記部分片部分を除いた内面に、前記一方の板の内面
に密接する、フッ素ゴム、ＮＢＲ、シリコンゴム或いは
エポキシ樹脂などを素材とする被膜層を設けた、上下一
対の板のみで構成した金属積層形ガスケット。1. A folded part comprising only a pair of upper and lower plates, one plate being folded back to the other one side to form a seal hole, and a first bead surrounding the folded portion is folded back. Formed on the other one of the plates outside the piece, thinning the partial piece of the other one of the plates in the folded portion, the thickness of this partial piece is b ', and the thickness of the other one of the pieces is When b and the thickness of one of the plates are a, a + b '
> B, and the one plate is provided with a second bead that surrounds the seal hole and overlaps the partial piece or the return piece, and further includes the partial piece portion of the other plate. A metal laminated gasket comprising only a pair of upper and lower plates provided with a coating layer made of a material such as fluororubber, NBR, silicon rubber or epoxy resin on the inner surface except for the inner surface of the one plate.
JP7133621A 1995-05-31 1995-05-31 Metal-laminated gasket consisting only of a pair of upper and lower plates Expired - Fee Related JP2972119B2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP7133621A JP2972119B2 (en) 1995-05-31 1995-05-31 Metal-laminated gasket consisting only of a pair of upper and lower plates
US08/652,030 US5700016A (en) 1995-05-31 1996-05-21 Metal laminate gasket with surface pressure adjustment mechanism
ES96303851T ES2140789T3 (en) 1995-05-31 1996-05-29 GASKET OF METAL SHEETS WITH A SURFACE PRESSURE ADJUSTMENT MECHANISM.
DE69606224T DE69606224T2 (en) 1995-05-31 1996-05-29 Multi-layer metal gasket with a device for surface pressure control
EP96303851A EP0745792B1 (en) 1995-05-31 1996-05-29 Metal laminate gasket with surface pressure adjustment mechanism
KR1019960018973A KR100196987B1 (en) 1995-05-31 1996-05-31 Metal laminate gasket constituted of only a pair of upper and low

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7133621A JP2972119B2 (en) 1995-05-31 1995-05-31 Metal-laminated gasket consisting only of a pair of upper and lower plates

Publications (2)

Publication Number Publication Date
JPH08326917A JPH08326917A (en) 1996-12-10
JP2972119B2 true JP2972119B2 (en) 1999-11-08

Family

ID=15109107

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7133621A Expired - Fee Related JP2972119B2 (en) 1995-05-31 1995-05-31 Metal-laminated gasket consisting only of a pair of upper and lower plates

Country Status (2)

Country Link
JP (1) JP2972119B2 (en)
KR (1) KR100196987B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3949690B2 (en) * 2005-01-27 2007-07-25 石川ガスケット株式会社 Metal laminated gasket
KR100802755B1 (en) 2006-12-08 2008-02-12 현대자동차주식회사 Cylinder head sealing structure

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4861046A (en) * 1988-05-16 1989-08-29 Ishikawa Gasket Co., Ltd. Steel laminate gasket with separate beads
JP2524026Y2 (en) * 1992-10-05 1997-01-29 石川ガスケット株式会社 Metal laminated gasket
JP3081456U (en) * 2001-04-27 2001-11-02 イカリ工業株式会社 Waterproof and dustproof cover for towels

Also Published As

Publication number Publication date
JPH08326917A (en) 1996-12-10
KR960041807A (en) 1996-12-19
KR100196987B1 (en) 1999-06-15

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