JPH0755005A - Metal gasket for cylinder head gasket - Google Patents

Metal gasket for cylinder head gasket

Info

Publication number
JPH0755005A
JPH0755005A JP22208093A JP22208093A JPH0755005A JP H0755005 A JPH0755005 A JP H0755005A JP 22208093 A JP22208093 A JP 22208093A JP 22208093 A JP22208093 A JP 22208093A JP H0755005 A JPH0755005 A JP H0755005A
Authority
JP
Japan
Prior art keywords
combustion chamber
plate
compensating
gasket
thickness
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
Application number
JP22208093A
Other languages
Japanese (ja)
Other versions
JP2923179B2 (en
Inventor
Eiichi Tawara
英市 田原
Hirokazu Hasegawa
浩和 長谷川
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.)
Nippon Reinz Co Ltd
Original Assignee
Nippon Reinz Co Ltd
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 Nippon Reinz Co Ltd filed Critical Nippon Reinz Co Ltd
Priority to JP22208093A priority Critical patent/JP2923179B2/en
Publication of JPH0755005A publication Critical patent/JPH0755005A/en
Application granted granted Critical
Publication of JP2923179B2 publication Critical patent/JP2923179B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

PURPOSE:To enhance the sealability and durability of a gasket by adjusting the thickness of the compensating part formed on the circumferential periphery of the combustion chamber hole of the gasket both by the folding part of a compensating plate and by the recessed part of an adjusting plate. CONSTITUTION:A compensating plate 3 provided with a folding part 7 on the circumferential periphery of the combustion chamber hole 2, and an adjusting plate 4 provided with a recessed part having a small step difference T2 that is smaller than the folding thickness T1 of the folding part 7 on the circumferential periphery of the combustion chamber hole 2 are laminated so that the folding part and the recessed part are opposite to each other to form a compensating part of (T1-T2). At least on one out of the laminated compensating plate 3 and the adjusting plate 4, bead plates 5, 6 provided with beads 10, 11 consisting of an elastic metallic plate and surrounding the combustion chamber hole 2 on the outside of the folding part 7 are laminated. By properly selecting the step difference T2 of the adjusting plate 4 with regard to T1 that is determined by the thickness of the compensating plate 3 and the number of times of folding, the thickness of the compensating part can be easily adjusted. Further, by changing the step difference of the recessed part 9 along the circumference of the combustion chamber hole 2, the permanent set in fatigue and the damage of the beads can be prevented.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明はエンジンのシリンダヘッ
ドガスケットに用いる積層型メタル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 laminated metal gasket used as an engine cylinder head gasket.

【0002】[0002]

【従来の技術】エンジンのシリンダブロックとヘッドと
の接合面間に装着されるシリンダヘッドガスケット用メ
タルガスケットとして、燃焼室孔の縁辺を折返して形成
した補償部を有する補償板の両側に、弾性金属板からな
り燃焼室孔を囲繞するビードを上記の補償部よりも外側
の位置に備えたビード板を積層したメタルガスケットは
既によく知られている。
2. Description of the Related Art As a metal gasket for a cylinder head gasket which is mounted between a joint surface of a cylinder block and a head of an engine, elastic metal is provided on both sides of a compensating plate having a compensating portion formed by folding back an edge of a combustion chamber hole. A metal gasket in which bead plates each having a bead made of a plate and surrounding a combustion chamber hole are provided at a position outside the compensating portion is already well known.

【0003】このガスケットは接合面間にボルトにより
締付けられたときに、燃焼室孔を囲繞するビードにより
接合面に高い面圧のシール線が形成され、燃焼室内の高
圧ガスをシールする。また、上記の補償部が、ボルト締
結力によるシリンダヘッドの湾曲のために生じる燃焼室
周りの間隙を補償し燃焼ガスのリークを防止する機能を
果たすと共に、燃焼室内のガス圧による接合面間の間隙
の拡縮に基づきビードに加わる交番荷重を軽減してビー
ドのへたりや損傷を防止する。
When the gasket is fastened with a bolt between the joint surfaces, a seal line having a high surface pressure is formed on the joint surface by the beads surrounding the holes of the combustion chamber and seals the high pressure gas in the combustion chamber. In addition, the above-mentioned compensator functions to prevent the leakage of combustion gas by compensating for the gap around the combustion chamber caused by the bending of the cylinder head due to the bolt tightening force, and at the same time between the joint surfaces due to the gas pressure in the combustion chamber. Due to the expansion and contraction of the gap, the alternating load applied to the bead is reduced to prevent the bead from sagging and damaging.

【0004】燃焼室孔周りの中でも、隣接する燃焼室孔
間の部分或は排気口に近接する部分は、燃焼室孔周りの
他の部分よりも強く熱的影響を受け、これらの部分にお
けるビードはへたりや損傷を生じ易い。これを防護しガ
スケットの耐久性の向上を図るために、燃焼室孔周縁の
中の隣接する燃焼室孔との間の部分或は排気口に近接す
る部分において上記の補償板に設ける燃焼室周縁に設け
る折返し部(補償部)の折返し幅を他の部分における折
返し幅よりも大きくしたり或は該折返し部を二重折返し
とすることが実開平4−107576号及び実開平4−
99455号において提案されている。
Of the areas around the combustion chamber holes, the areas between the adjacent combustion chamber holes or the areas close to the exhaust port are more strongly thermally affected than the other areas around the combustion chamber holes, and the beads in these areas are affected. Easy to get tired and damaged. In order to protect this and to improve the durability of the gasket, the peripheral edge of the combustion chamber that is provided on the compensating plate at the portion between the adjacent combustion chamber holes in the peripheral edge of the combustion chamber hole or the portion near the exhaust port. It is possible to make the folding width of the folding portion (compensating portion) provided in the above larger than the folding width in the other portion, or to make the folding portion double folded, the actual folding flat No. 4-107576 and the actual flat folding 4-.
Proposed in No. 99455.

【0005】[0005]

【発明が解決しようとする課題】補償板の燃焼室孔周縁
に折返しにより補償部を形成した前記のメタルガスケッ
トにおいては、補償板の厚さにより補償部の厚さが決ま
ってしまい、ヘッドの剛性や熱歪の大きさ、締付力等を
考慮した適性な面圧を与えるように、補償部の厚さを適
宜に調整することが困難であるという難点がある。
In the above-mentioned metal gasket in which the compensating portion is formed by folding back on the periphery of the combustion chamber hole of the compensating plate, the thickness of the compensating portion is determined by the thickness of the compensating plate, and the rigidity of the head is increased. However, it is difficult to properly adjust the thickness of the compensating portion so as to provide an appropriate surface pressure in consideration of the magnitude of heat distortion, the tightening force, and the like.

【0006】また、補償板における燃焼室周縁の折返し
の幅を隣接する燃焼室との間の部分や排気口に近接する
部分において燃焼室孔周りの他の部分におけるよりも大
きくした前記のガスケットにおいては燃焼室孔間の間隔
が狭い等、シールスペースが狭い場合には折返し幅を大
きくとれない難点があり、更に上記の折返しを隣接すす
る燃焼室との間の部分や排気口に近接する部分において
二重折返しとした前記のガスケットにおいては折返して
いない部分との段差が大きくなり過ぎ段差部において漏
洩を生じ易くなり、また二重折返し部分においてボルト
締付力が過度に消費され、他の部分のシール面圧が低下
することになり易い等の難点がある。
Further, in the above-mentioned gasket, the width of the turn-back of the peripheral edge of the combustion chamber in the compensating plate is made larger in the portion between the adjacent combustion chambers and the portion near the exhaust port than in other portions around the combustion chamber hole. Has a problem that the folding width cannot be made large when the seal space is narrow, such as the space between the combustion chamber holes is narrow. Furthermore, the above-mentioned folding portion is a portion between the adjacent combustion chambers and a portion close to the exhaust port. In the above-mentioned double-folded gasket, the step difference with the non-folded portion becomes too large, and leakage easily occurs at the stepped portion, and the bolt tightening force is excessively consumed at the double-folded portion. However, there is a problem that the sealing surface pressure is likely to decrease.

【0007】本発明は上記の難点を解消するもので、本
発明の目的は補償板の燃焼室孔周縁の折返しにより形成
される補償部の厚さを適宜に調整することができるよう
にしたシリンダヘッドガスケット用メタルガスケットを
提供することにある。また、本発明の他の目的は該補償
部の厚さを燃焼室孔周縁の部位により適宜に変化させる
ことができるようにしたシリンダヘッドガスケット用メ
タルガスケットを提供することにある。
The present invention solves the above problems, and an object of the present invention is to make it possible to appropriately adjust the thickness of the compensating portion formed by folding back the periphery of the combustion chamber hole of the compensating plate. It is to provide a metal gasket for a head gasket. Another object of the present invention is to provide a metal gasket for a cylinder head gasket, in which the thickness of the compensating portion can be appropriately changed depending on the region around the periphery of the combustion chamber hole.

【0008】[0008]

【課題を解決するための手段】上記目的を達成する本発
明のシリンダヘッドガスケット用メタルガスケットは、
燃焼室孔の周縁に折返し部を備えた補償板と、燃焼室孔
の周縁に上記折返し部の折返しの厚さよりも小さい段差
の凹部を設けた調整板とを上記凹部と上記折返し部とが
互いに対向するように積層し、積層した補償板と調整板
の少なくとも一方に、弾性金属板からなりかつ上記の折
返し部よりも外側の位置に、燃焼室を囲繞するビードを
備えたビード板を積層して設けたことを特徴とするもの
である。
MEANS FOR SOLVING THE PROBLEMS A metal gasket for a cylinder head gasket according to the present invention, which achieves the above object, comprises:
The compensating plate having a folded portion at the peripheral edge of the combustion chamber hole, and the adjusting plate having a concave portion with a step smaller than the folded thickness of the folded portion at the peripheral edge of the combustion chamber hole, the concave portion and the folded portion are mutually At least one of the compensating plate and the adjusting plate, which are laminated so as to face each other, are laminated with a bead plate made of an elastic metal plate and provided with a bead that surrounds the combustion chamber, at a position outside the folded portion. It is characterized by being provided.

【0009】また、本発明のシリンダヘッドガスケット
用メタルガスケットは、上記ガスケットにおいて調整板
の燃焼室孔周縁に設けた凹部の段差を燃焼室孔周縁に沿
って局部的に変化させたことを特徴とするものである。
Further, the metal gasket for a cylinder head gasket according to the present invention is characterized in that the step of the concave portion provided in the periphery of the combustion chamber hole of the adjusting plate in the gasket is locally changed along the periphery of the combustion chamber hole. To do.

【0010】[0010]

【実施例及び作用の説明】本発明の詳細を実施例の図面
に基づき以下に説明する。図1は本発明の実施例のガス
ケットの平面図である。ただし同図では図面を簡単にし
かつわかり易くするために冷却水通路孔、オイル通路
孔、ボルト挿通孔等の透孔は全て図示を省略している。
図2は図1のA−A′線による断面図であり、図3は該
断面における補償板と調整板との拡大説明図である。図
4、図5及び図6は他のそれぞれ異なる実施例について
の図2と同様な断面図である。図7は図1のB−B′線
に沿った調整板の断面図である。
DESCRIPTION OF THE PREFERRED EMBODIMENTS The details of the present invention will be described below with reference to the drawings of the embodiments. FIG. 1 is a plan view of a gasket according to an embodiment of the present invention. However, in the figure, all the through holes such as the cooling water passage hole, the oil passage hole, and the bolt insertion hole are omitted for the sake of simplicity and clarity of the drawing.
2 is a sectional view taken along the line AA 'in FIG. 1, and FIG. 3 is an enlarged explanatory view of the compensating plate and the adjusting plate in the section. 4, 5 and 6 are sectional views similar to FIG. 2 for other different embodiments. FIG. 7 is a sectional view of the adjusting plate taken along the line BB ′ of FIG.

【0011】図において、1は本発明によるシリンダヘ
ッドガスケット用メタルガスケットを示し、図1に示す
ように燃焼室孔2を備え、また図示を省略しているが冷
却水通路孔、オイル通路孔、ボルト挿通孔等を備えてい
る。該ガスケット1は図2に示すように補償板3、調整
板4及び上、下のビード板5及び6を積層して形成され
ている。
In the figure, reference numeral 1 denotes a metal gasket for a cylinder head gasket according to the present invention, which is provided with a combustion chamber hole 2 as shown in FIG. 1, and although not shown, a cooling water passage hole, an oil passage hole, Equipped with bolt insertion holes. As shown in FIG. 2, the gasket 1 is formed by laminating a compensating plate 3, an adjusting plate 4, and upper and lower bead plates 5 and 6.

【0012】補償板3は鉄板、鈍しのステンレス鋼板等
の金属板よりなり、その燃焼室孔2の周縁に二重折返し
部7を備えている。同様に金属板よりなる調整板4はそ
の燃焼室孔2の周縁に上記の二重折返し部7の折返しの
厚さT1 (図3参照。補償板の板厚の約2倍)よりも小
さい段差T2 (図3参照)の凹部9を備えている。補償
板3と調整板4とは上記の二重折返し部7と上記の凹部
9とが互いに対向するように、すなわち凹部9に二重折
返し部7が嵌まるように積層される。
The compensating plate 3 is made of a metal plate such as an iron plate or a blunt stainless steel plate, and has a double folded portion 7 at the periphery of the combustion chamber hole 2. Similarly, the adjusting plate 4 made of a metal plate is smaller than the thickness T 1 (see FIG. 3; about twice the thickness of the compensating plate) of the double folded portion 7 at the periphery of the combustion chamber hole 2 thereof. A recess 9 having a step T 2 (see FIG. 3) is provided. The compensating plate 3 and the adjusting plate 4 are laminated so that the double-folded portion 7 and the recess 9 face each other, that is, the double-folded portion 7 fits in the recess 9.

【0013】積層された補償板3と調整板4との両面
に、ステンレス鋼板等の弾性金属板よりなり、燃焼室孔
2を囲繞するビード10もしくは11を上記の二重折返
し部7よりも外側の位置に設けたビード板5及び6を、
図ではビード10及び11が互いに対向するように、更
に積層している。ビード板5及び6はビード10及び1
1が共に外側に向かって凸に突出するように背中合わせ
に積層してもよいし、或はビード10及び11が共に同
一方向、例えば図で上方側に向かって突出するように積
層してもよい。
A bead 10 or 11 which is made of an elastic metal plate such as a stainless steel plate and surrounds the combustion chamber hole 2 is provided on both sides of the compensating plate 3 and the adjusting plate 4 which are laminated outside the double-folded portion 7. The bead plates 5 and 6 provided at the position
In the figure, the beads 10 and 11 are further laminated so as to face each other. Bead plates 5 and 6 are beads 10 and 1.
They may be laminated back to back so that both 1 project outwardly in a convex manner, or they may be laminated so that both beads 10 and 11 project in the same direction, for example, upward in the figure. .

【0014】上記の通り調整板4の凹部9の段差T2
二重折返し部7の折返しの厚さT1よりも小であるか
ら、二重折返し部7と凹部9との合計厚さは補償板3の
板厚と調整板4の板厚との合計よりも大であり、上記の
ようにガスケットが積層形成されたとき、燃焼室孔2の
周りにかつビード板のビードよりも燃焼室孔側に厚さが
1 −T2 の補償部が形成される。
As described above, since the step T 2 of the concave portion 9 of the adjusting plate 4 is smaller than the folded thickness T 1 of the double folded portion 7, the total thickness of the double folded portion 7 and the concave portion 9 is It is larger than the sum of the plate thickness of the compensating plate 3 and the plate thickness of the adjusting plate 4, and when the gaskets are laminated and formed as described above, the combustion chamber is provided around the combustion chamber hole 2 and more than the bead of the bead plate. A compensating portion having a thickness of T 1 -T 2 is formed on the hole side.

【0015】そして、この補償部が、シリンダヘッドを
ボルト締結したときのシリンダヘッドの湾曲に基づく燃
焼室孔周りの間隙の増大を補償して燃焼室内のガスがリ
ークするのを防止し、またエンジンの運転中に生じるシ
リンダヘッドとブロックとの接合面間の間隙の拡縮によ
りビードに加わる交番荷重を軽減し、ガスケットのシー
ル効果及び耐久性を向上させる等の作用、効果を奏す
る。
The compensator compensates for the increase in the gap around the combustion chamber hole due to the bending of the cylinder head when the cylinder head is bolted, and prevents the gas in the combustion chamber from leaking. The alternating load applied to the bead is reduced due to the expansion / contraction of the gap between the joint surfaces of the cylinder head and the block during the operation of 1, and the effect of improving the sealing effect and durability of the gasket is exhibited.

【0016】而して、この補償部の厚さは、シリンダヘ
ッドの剛性や熱歪の大きさ、締付力及びシール幅等を考
慮して補償部において適性な面圧が得られるように選ば
れるが、本発明によれば、補償板3の板厚と折返しの回
数によりきまるT1 に対して調整板4の凹部9の段差T
2 を適宜に選ぶことができるから、補償部の厚さT1
2 を適正な値に容易に調整できる。
The thickness of the compensating portion is selected so that an appropriate surface pressure can be obtained in the compensating portion in consideration of the rigidity of the cylinder head, the magnitude of thermal strain, the tightening force, the seal width and the like. However, according to the present invention, the step T of the concave portion 9 of the adjusting plate 4 with respect to T 1 which depends on the plate thickness of the compensating plate 3 and the number of times of folding back.
Since 2 can be selected as appropriate, the thickness T 1 − of the compensation section
T 2 can be easily adjusted to a proper value.

【0017】そして、本発明によれば、調整板4の燃焼
室孔2周縁の凹部9の段差T2 を図7に示すように、燃
焼室2周りに沿って局部的に変化させることにより、補
償部の厚さT1 −T2 を燃焼室周りに沿って変化させる
ことが容易にできる。従ってガスケット1の燃焼室孔2
周りの中で、熱的影響を二重に受ける燃焼室孔間の部分
や排気口と近接する部分における補償部の厚さを他の部
分における補償部の厚さよりも厚くして、熱的影響を強
く受ける部分のビードのへたり、損傷を防止することが
容易にできる。或は、燃焼室孔周りの中で、締付ボルト
から離間している部分の補償部の厚さを他の部分より厚
くする等、補償部の厚さを締付力に応じて変化させるこ
とも容易にできる。
According to the present invention, the step T 2 of the recess 9 at the periphery of the combustion chamber hole 2 of the adjusting plate 4 is locally changed along the periphery of the combustion chamber 2 as shown in FIG. It is possible to easily change the thickness T 1 -T 2 of the compensator along the circumference of the combustion chamber. Therefore, the combustion chamber hole 2 of the gasket 1
In the surroundings, the thickness of the compensator at the part between the combustion chamber holes that is doubly affected by the heat and the part near the exhaust port is made thicker than the thickness of the compensator at other parts, and the thermal effect It is possible to easily prevent the bead of the part that is strongly exposed to and from being damaged. Or, changing the thickness of the compensating part in accordance with the tightening force, such as making the thickness of the compensating part in the part separated from the tightening bolt around the combustion chamber hole thicker than other parts. Can be done easily.

【0018】図7においては、図の左端のB位置すなわ
ち隣接する燃焼室孔2、2間の位置(図1参照)におい
て調整板4の凹部9の段差T2 を小さくとり、図の右端
のB′位置(図1参照)においては凹部9の段差T2
大きくとっている。そして、この段差T2 の変化を階段
状の急激な変化ではなく図7に示すようになだらかに徐
々に変化させ、補償部の厚さも同様に変化させることに
より、面圧の急激な変化を回避し、シールの信頼性を向
上させることができる。
In FIG. 7, the step T 2 of the concave portion 9 of the adjusting plate 4 is made small at the position B at the left end of the drawing, that is, the position between the adjacent combustion chamber holes 2 and 2 (see FIG. 1), and the step T 2 at the right end of the drawing is set. At the position B ′ (see FIG. 1), the step T 2 of the recess 9 is large. Then, the step T 2 is not changed abruptly in a stepwise manner but gradually changed as shown in FIG. 7, and the thickness of the compensating portion is also changed, thereby avoiding the abrupt change in the surface pressure. However, the reliability of the seal can be improved.

【0019】図4に示す実施例においては、補償板3の
折返し部7′が内側に折返されている。この点以外は全
て図2に示す実施例と同様である。図5に示す実施例に
おいては補償板の板厚を厚くし、折返し部8は1回折返
しとしている。この点を除けば図2に示す実施例と同様
である。図6に示す実施例は、ビード板5を積層せず、
補償板3と調整板4とを積層した一方の面、調整板側の
面だけにビード板6を積層した点が図2に示す実施例と
異なっている。また、ビード板を他方側の面すなわち補
償板側のみに積層するようにしてもよい。これらの実施
例においても図2に示す実施例について上記説明した作
用、効果を同様に奏することができる。
In the embodiment shown in FIG. 4, the folded portion 7'of the compensating plate 3 is folded inward. Except for this point, the configuration is the same as that of the embodiment shown in FIG. In the embodiment shown in FIG. 5, the thickness of the compensating plate is increased, and the folded-back portion 8 has one turn-back. Except for this point, it is the same as the embodiment shown in FIG. In the embodiment shown in FIG. 6, the bead plates 5 are not laminated,
The embodiment shown in FIG. 2 differs from the embodiment shown in FIG. 2 in that the bead plate 6 is laminated only on one surface of the compensating plate 3 and the adjusting plate 4 which are laminated and on the surface of the adjusting plate side. Further, the bead plate may be laminated only on the other surface, that is, on the compensating plate side. In these embodiments as well, the operations and effects described above with respect to the embodiment shown in FIG. 2 can be obtained similarly.

【0020】[0020]

【発明の効果】上記した構成、作用を有する本発明のシ
リンダヘッドガスケット用メタルガスケットにおいて
は、補償板の折返し部と調整板の凹部とによりガスケッ
トの燃焼室孔の周縁に形成する補償部の厚さを、上記凹
部の段差の大きさを適宜に選ぶことにより、適正な値に
容易に調整することができ、ガスケットのシール性を向
上させることができる。また、本発明によれば上記凹部
の段差を燃焼室周りに沿って局部的に変化させることに
より、隣接する燃焼室孔の間の部分や排気口に近接する
部分のように燃焼室孔周りの中でも熱的影響を強く受け
る部分における補償部の厚さを他の部分よりも厚くして
ビードのへたりや損傷を防止することができ、ガスケッ
トのシール性と耐久性を向上することができる。
According to the metal gasket for a cylinder head gasket of the present invention having the above-mentioned structure and operation, the thickness of the compensating portion formed at the periphery of the combustion chamber hole of the gasket by the folded-back portion of the compensating plate and the concave portion of the adjusting plate. By appropriately selecting the size of the step of the recess, it is possible to easily adjust it to an appropriate value, and it is possible to improve the sealing property of the gasket. Further, according to the present invention, by locally changing the stepped portion of the recess along the periphery of the combustion chamber, a portion around the combustion chamber hole such as a portion between adjacent combustion chamber holes or a portion close to the exhaust port is formed. Above all, the thickness of the compensating portion in the portion that is strongly affected by heat can be made thicker than the other portions to prevent the bead from becoming settled or damaged, and the sealing property and durability of the gasket can be improved.

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

【図1】本発明の実施例の平面図である。FIG. 1 is a plan view of an embodiment of the present invention.

【図2】図1のA−A′線による断面図である。FIG. 2 is a sectional view taken along the line AA ′ of FIG.

【図3】図2の断面図における補償板と調整板との拡大
説明図である。
3 is an enlarged explanatory view of a compensating plate and an adjusting plate in the cross-sectional view of FIG.

【図4】本発明の他の実施例についての図2に相当する
断面図である。
FIG. 4 is a sectional view of another embodiment of the present invention, which corresponds to FIG.

【図5】本発明の他の実施例についての図2に相当する
断面図である。
FIG. 5 is a cross-sectional view corresponding to FIG. 2 for another embodiment of the present invention.

【図6】本発明の更に他の実施例についての図2に相当
する断面図である。
FIG. 6 is a cross-sectional view corresponding to FIG. 2 according to still another embodiment of the present invention.

【図7】図1のB−B′線に沿った調整板の断面図であ
る。
FIG. 7 is a cross-sectional view of the adjusting plate taken along the line BB ′ of FIG.

【符号の説明】[Explanation of symbols]

2 燃焼室孔 3 補償板 4 調整板 5及び6 ビード板 7、7′及び8 折返し部 9 凹部 10及び11 ビード 2 Combustion chamber hole 3 Compensation plate 4 Adjustment plate 5 and 6 Bead plate 7, 7'and 8 Folding portion 9 Recessed portion 10 and 11 Bead

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 燃焼室孔の周縁に折返し部を備えた補償
板と、燃焼室孔の周縁に上記折返し部の折返しの厚さよ
りも小さい段差の凹部を設けた調整板とを上記凹部と上
記折返し部とが互いに対向するように積層し、積層した
補償板と調整板との少なくとも一方に、弾性金属板から
なりかつ上記の折返し部よりも外側の位置に燃焼室を囲
繞するビードを備えたビード板を積層して設けたことを
特徴とするシリンダヘッドガスケット用メタルガスケッ
ト。
1. A compensating plate having a fold-back portion on the periphery of a combustion chamber hole, and an adjusting plate having a stepped recess on the rim of the combustion chamber hole, the recess having a step smaller than the thickness of the fold-back portion of the fold-back portion. Laminated so that the folded portions face each other, and at least one of the compensating plate and the adjusting plate that were laminated was provided with a bead made of an elastic metal plate and surrounding the combustion chamber at a position outside the folded portion. A metal gasket for a cylinder head gasket, which is characterized by being provided with laminated bead plates.
【請求項2】 請求項1記載のシリンダヘッドガスケッ
ト用メタルガスケットにおいて、調整板の燃焼孔周縁に
設けた凹部の段差を燃焼室孔周縁に沿って局部的に変化
させたことを特徴とするシリンダヘッドガスケット用メ
タルガスケット。
2. The cylinder head gasket metal gasket according to claim 1, wherein a step of a recess provided in the periphery of the combustion hole of the adjusting plate is locally changed along the periphery of the combustion chamber hole. Metal gasket for head gasket.
JP22208093A 1993-08-12 1993-08-12 Metal cylinder head gasket Expired - Fee Related JP2923179B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22208093A JP2923179B2 (en) 1993-08-12 1993-08-12 Metal cylinder head gasket

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22208093A JP2923179B2 (en) 1993-08-12 1993-08-12 Metal cylinder head gasket

Publications (2)

Publication Number Publication Date
JPH0755005A true JPH0755005A (en) 1995-03-03
JP2923179B2 JP2923179B2 (en) 1999-07-26

Family

ID=16776817

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22208093A Expired - Fee Related JP2923179B2 (en) 1993-08-12 1993-08-12 Metal cylinder head gasket

Country Status (1)

Country Link
JP (1) JP2923179B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112008000098T5 (en) 2007-01-31 2009-10-29 K.K. Toyota Jidoshokki Cylinder head gasket and machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112008000098T5 (en) 2007-01-31 2009-10-29 K.K. Toyota Jidoshokki Cylinder head gasket and machine
US8042815B2 (en) 2007-01-31 2011-10-25 Kabushiki Kaisha Toyota Jidoshokki Cylinder head gasket and engine
DE112008000098B4 (en) 2007-01-31 2017-10-19 K.K. Toyota Jidoshokki Cylinder head gasket and internal combustion engine

Also Published As

Publication number Publication date
JP2923179B2 (en) 1999-07-26

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