JP2003262272A - Temporary fixing structure of metal gasket - Google Patents
Temporary fixing structure of metal gasketInfo
- Publication number
- JP2003262272A JP2003262272A JP2002065198A JP2002065198A JP2003262272A JP 2003262272 A JP2003262272 A JP 2003262272A JP 2002065198 A JP2002065198 A JP 2002065198A JP 2002065198 A JP2002065198 A JP 2002065198A JP 2003262272 A JP2003262272 A JP 2003262272A
- Authority
- JP
- Japan
- Prior art keywords
- flange
- gasket
- metal gasket
- fixing structure
- temporary fixing
- 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
- Exhaust Silencers (AREA)
- Gasket Seals (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、少なくとも一枚
の金属板を構成材料とするメタルガスケットを、そのメ
タルガスケットによりシールされる被シール面を有する
装着対象に仮止めする、メタルガスケットの仮止め構造
に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention temporarily fixes a metal gasket composed of at least one metal plate as a constituent material to a mounting object having a sealed surface sealed by the metal gasket. It is about structure.
【０００２】[0002]
【従来の技術】上述の如き仮止め構造としては従来、例
えば実開平４−６８２４９号公報にて開示されたものが
知られており、この仮止め構造は、排気マニホールド
の、装着対象としてのフランジにメタルガスケットを仮
止めして、車両用エンジンのシリンダヘッドに排気マニ
ホールドを組付ける際にメタルガスケットを手で押えて
おく必要をなくすためのもので、図１０に示すように、
メタルガスケットを構成する金属板１の、上記フランジ
に対応する形状のガスケット構成部２の外周縁に、上記
フランジの厚さよりも長くて先端部に内向きの凸部３ａ
を有する二つの折曲部３を互いに対向させて形成してな
るものである。2. Description of the Related Art Conventionally, as a temporary fixing structure as described above, there is known one disclosed in, for example, Japanese Utility Model Laid-Open No. 4-68249, which is a flange to be mounted on an exhaust manifold. The metal gasket is temporarily fixed to the cylinder head of the vehicle engine so that it is not necessary to hold the metal gasket by hand when assembling the exhaust manifold. As shown in FIG.
On the outer peripheral edge of the gasket constituent portion 2 of the metal plate 1 constituting the metal gasket, which has a shape corresponding to the flange, a convex portion 3a that is longer than the thickness of the flange and is inwardly directed at the tip end portion
The two bent portions 3 having the above are formed so as to face each other.
【０００３】かかる従来の仮止め構造は通常、図１１に
示すように、上記フランジに対応する形状のガスケット
構成部２とその外周縁に連なる二つの舌状凸部４とを有
する展開形状の金属板１をプレス成形で打ち抜き、次い
で各舌状凸部４の先端部にプレス成形で上記凸部３ａを
形成し、次いで各舌状凸部４をプレス成形で根元から折
曲して折曲部３とすることで形成され、図１２（ａ）に
示すように、金属板１のガスケット構成部２が排気マニ
ホールドのフランジ５の被シール面としての前面５ａに
添えられると、上記フランジの厚さよりも長い二つの折
曲部３の先端部の内向きの凸部３ａがフランジ５の、そ
の前面５ａと平行に延在する背面５ｂの外周端部と掛合
して、それらの折曲部３で金属板１ひいてはメタルガス
ケットをフランジ５に仮止めする。As shown in FIG. 11, such a conventional temporary fixing structure is usually a developed metal having a gasket component 2 having a shape corresponding to the flange and two tongue-shaped projections 4 connected to the outer peripheral edge thereof. The plate 1 is punched out by press molding, and then the projections 3a are formed at the tips of the tongue-shaped projections 4 by press molding. Then, the tongue-shaped projections 4 are bent by press molding from the roots and bent portions. When the gasket component 2 of the metal plate 1 is attached to the front surface 5a as the sealed surface of the flange 5 of the exhaust manifold, as shown in FIG. Inward projections 3a at the ends of the two long bent portions 3 engage with the outer peripheral ends of the back surface 5b of the flange 5, which extends parallel to the front surface 5a of the flange 5, and Flange the metal plate 1 and then the metal gasket Temporarily fixed to.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、上記従
来の仮止め構造では、図１２（ｂ）に示すように、排気
マニホールドのフランジ５の厚さが当初の厚さより薄く
設計変更された場合や、当初の使用対象のフランジ５よ
り厚さの薄い、他の排気マニホールドのフランジ５にこ
のメタルガスケットを使用する場合、あるいはフランジ
５の厚さにばらつきがある場合等に、折曲部３の先端部
の内向きの凸部３ａとフランジ５の背面５ｂの外周端部
との間に隙間が開いて、金属板１がフランジ５に対しず
れて脱落し易くなるという問題があった。However, in the above-mentioned conventional temporary fixing structure, as shown in FIG. 12B, when the thickness of the flange 5 of the exhaust manifold is changed to be thinner than the initial thickness, or when the design is changed, When this metal gasket is used for the flange 5 of another exhaust manifold, which is thinner than the originally used flange 5, or when the thickness of the flange 5 varies, the tip of the bent portion 3 There is a problem that a gap is opened between the inwardly projecting portion 3a and the outer peripheral end portion of the back surface 5b of the flange 5, and the metal plate 1 is easily displaced from the flange 5 and falls off.
【０００５】さらに上記従来の仮止め構造では、少なく
ともフランジの厚さよりも長い折曲部３を形成するため
に、少なくともフランジの厚さよりも長い舌状凸部４を
形成する必要があるので、金属板１の板取り上、材料の
金属板に無駄になる部分が多くて、材料コストが嵩むと
いう問題もあった。Furthermore, in the above-mentioned conventional temporary fixing structure, since the tongue-shaped projection 4 longer than at least the thickness of the flange needs to be formed in order to form the bent portion 3 longer than the thickness of the flange, it is necessary to form the metal. There is also a problem that there are many wasted portions of the metal plate of the material in plate removal of the plate 1 and the material cost increases.
【０００６】[0006]
【課題を解決するための手段およびその作用・効果】こ
の発明は上記課題を有利に解決した仮止め構造を提供す
ることを目的とするものであり、この発明のメタルガス
ケットの仮止め構造は、少なくとも一枚の金属板を構成
材料とするメタルガスケットを、そのメタルガスケット
によりシールされる被シール面を有する装着対象に仮止
めする構造において、前記金属板に、前記装着対象の、
前記被シール面に対し直角または鋭角に延在する面の途
中まで延在し、その面に当接して前記装着対象を挟持す
る複数の折曲部を設け、それらの折曲部で前記メタルガ
スケットを前記装着対象に仮止めすることを特徴とする
ものである。SUMMARY OF THE INVENTION It is an object of the present invention to provide a temporary fixing structure that advantageously solves the above problems. The metal gasket temporary fixing structure of the present invention is In a structure in which a metal gasket having at least one metal plate as a constituent material is temporarily fixed to a mounting target having a sealed surface that is sealed by the metal gasket, in the metal plate, the mounting target is
A plurality of bent portions are provided that extend partway into a surface that extends at a right angle or an acute angle with respect to the surface to be sealed, and that abut on the surface and hold the attachment target, and the metal gasket is formed at these bent portions. Is temporarily fixed to the attachment target.
【０００７】この発明の仮止め構造にあっては、前記金
属板に設けた複数の折曲部が、前記装着対象の、前記被
シール面に対し直角または鋭角に延在する面の途中まで
延在し、その面に当接して前記装着対象を挟持すること
で、それらの折曲部で前記メタルガスケットを前記装着
対象に仮止めする。In the temporary fixing structure of the present invention, the plurality of bent portions provided on the metal plate extend to the middle of the surface of the mounting object which extends at a right angle or an acute angle to the sealed surface. By being in contact with the surface and holding the mounting object, the metal gasket is temporarily fixed to the mounting object at the bent portions.
【０００８】従って、この発明の仮止め構造によれば、
装着対象の厚さがガスケットの設計当初の厚さより薄く
設計変更された場合や、ガスケットの当初の装着対象よ
り厚さの薄い他の装着対象にこのメタルガスケットを使
用する場合、あるいはフランジの厚さにばらつきがある
場合等でも、従来の技術のような折曲部の先端部の内向
きの凸部と装着対象の背面の外周端部との掛合でなく、
装着対象の、被シール面に対し直角または鋭角に延在す
る面と折曲部との当接により装着対象を挟持して金属板
を仮止めするので、金属板ひいてはメタルガスケットを
装着対象に対し常に確実に仮止めすることができる。Therefore, according to the temporary fixing structure of the present invention,
When the thickness of the mounting target is changed to be thinner than the original design of the gasket, when this metal gasket is used for other mounting targets that are thinner than the initial mounting target of the gasket, or the thickness of the flange Even if there is a variation in, not the engagement between the inward convex portion of the tip of the bent portion and the outer peripheral edge of the back surface of the mounting target as in the conventional technique,
Since the metal plate is temporarily fixed by sandwiching the mounting target by abutting the bent part and the surface of the mounting target that extends at a right angle or an acute angle with respect to the sealed surface, the metal plate, and thus the metal gasket, should be attached to the mounting target. It can always be temporarily fixed.
【０００９】しかも、この発明の仮止め構造によれば、
装着対象の、被シール面に対し直角または鋭角に延在す
る面の途中まで延在する折曲部を形成すれば足りるの
で、金属板の板取り上、材料の金属板の無駄になる部分
を少なくし得て、材料コストを安くすることができる。Moreover, according to the temporary fixing structure of the present invention,
It suffices to form a bent part that extends partway through the surface of the mounting target that extends at a right angle or an acute angle to the surface to be sealed. It can be reduced and the material cost can be reduced.
【００１０】なお、この発明の仮止め構造においては、
前記被シール面に対し直角または鋭角に延在する面は、
前記被シール面に開口する孔の内周面であり、前記折曲
部は、前記内周面に当接するものであっても良く、この
ようにすれば、金属板の、被シール面の孔に対応する通
常は打ち抜いて捨てる部分から折曲部を形成することが
できるので、材料の金属板の無駄になる部分をさらに少
なくし得て、材料コストをさらに安くすることができ
る。In the temporary fixing structure of the present invention,
The surface extending at a right angle or an acute angle with respect to the sealed surface,
The bent portion may be an inner peripheral surface of a hole opened to the sealed surface, and the bent portion may be in contact with the inner peripheral surface. In this case, the hole of the sealed surface of the metal plate may be formed. Since it is possible to form the bent portion from the portion which is normally punched out and discarded corresponding to, it is possible to further reduce the wasted portion of the metal plate of the material and further reduce the material cost.
【００１１】また、この発明の仮止め構造においては、
前記被シール面に対し直角または鋭角に延在する面は、
前記装着対象の、前記被シール面に連なる外周面であ
り、前記折曲部は、前記外周面に当接するものであって
も良く、このようにすれば、装着対象へのメタルガスケ
ットの仮止めを確実かつ安価に行うことができる。そし
て、上記内周面に当接する折曲部と組み合わせる場合に
は、安い材料コストでメタルガスケットの仮止めをさら
に確実なものとすることができる。Further, in the temporary fixing structure of the present invention,
The surface extending at a right angle or an acute angle with respect to the sealed surface,
It may be an outer peripheral surface of the mounting object that is continuous with the sealed surface, and the bent portion may be in contact with the outer peripheral surface. In this case, the metal gasket is temporarily fixed to the mounting object. Can be performed reliably and inexpensively. When combined with the bent portion that comes into contact with the inner peripheral surface, the temporary fixing of the metal gasket can be made more reliable at a low material cost.
【００１２】[0012]
【発明の実施の形態】以下に、この発明の実施の形態を
実施例によって、図面に基づき詳細に説明する。ここ
に、図１は、この発明のメタルガスケットの仮止め構造
の一実施例を示す斜視図、図２（ａ）は、その実施例の
仮止め構造を持つメタルガスケットの構成材料である金
属板を展開状態で示す平面図、図２（ｂ）は、その図２
（ａ）のＡ部を拡大して示す平面図、図３（ａ）は、上
記実施例の仮止め構造を持つメタルガスケットの構成材
料である金属板を折曲部が形成された状態で示す平面
図、図３（ｂ）は、その図３（ａ）のＢ−Ｂ線に沿う断
面図、そして図４は、上記実施例の仮止め構造を持つメ
タルガスケットをフランジへの仮止め状態で示す断面図
である。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will now be described in detail with reference to the drawings by way of examples. FIG. 1 is a perspective view showing an embodiment of the temporary fixing structure of the metal gasket of the present invention, and FIG. 2A is a metal plate which is a constituent material of the metal gasket having the temporary fixing structure of the embodiment. FIG. 2B is a plan view showing the state of FIG.
FIG. 3A is an enlarged plan view showing an A portion of FIG. 3A, and shows a metal plate, which is a constituent material of the metal gasket having the temporary fixing structure of the above embodiment, in a state in which a bent portion is formed. A plan view, FIG. 3 (b) is a sectional view taken along the line BB of FIG. 3 (a), and FIG. 4 shows a metal gasket having the temporary fixing structure of the above-mentioned embodiment temporarily fixed to a flange. It is sectional drawing shown.
【００１３】この実施例の仮止め構造は、これも排気マ
ニホールドの、装着対象としてのフランジに、この例で
は一枚の金属板からなる単板型メタルガスケットを仮止
めして、車両用エンジンのシリンダヘッドに排気マニホ
ールドを組付ける際にメタルガスケットを手で押えてお
く必要をなくすためのもので、図１に示すように、メタ
ルガスケットを構成する一枚の金属板１の、上記フラン
ジに対応する形状のガスケット構成部２の二つのボルト
孔２ａの位置に、上記フランジの厚さよりも短い二つの
折曲部６をそれぞれ形成して、それらの折曲部６を互い
に対向させてなるものである。In the temporary fixing structure of this embodiment, a single plate type metal gasket made of a single metal plate in this example is temporarily fixed to the flange of the exhaust manifold, which is a mounting target, so that This is to eliminate the need to hold the metal gasket by hand when assembling the exhaust manifold to the cylinder head. As shown in Fig. 1, it corresponds to the above flange of one metal plate 1 that constitutes the metal gasket. Two bent portions 6 shorter than the thickness of the flange are respectively formed at the positions of the two bolt holes 2a of the gasket constituent portion 2 having the shape described above, and the bent portions 6 are opposed to each other. is there.
【００１４】かかる実施例の仮止め構造は、図２
（ａ），（ｂ）に示すように、上記フランジに対応する
形状のガスケット構成部２とその二つのボルト孔２ａの
内周縁に連なる二つの舌状凸部７とを有する展開形状の
金属板１を、例えば０．２ｍｍもしくは０．２５ｍｍ厚
のステンレス鋼板等の弾性を有する材料金属板からプレ
ス成形で打ち抜き、次いで各舌状凸部７をプレス成形で
図３に示す如く根元から折曲してガスケット構成部２に
対する角度θが直角または鋭角をなす折曲部６とするこ
とで形成することができ、その舌状凸部７は、例えば直
径９ｍｍのボルト孔２ａに対しては長さ８ｍｍとするこ
とができる。The temporary fixing structure of this embodiment is shown in FIG.
As shown in (a) and (b), a developed metal plate having a gasket component 2 having a shape corresponding to the flange and two tongue-shaped protrusions 7 continuous with the inner peripheral edges of the two bolt holes 2a. 1 is punched out from a metal plate having elasticity such as a stainless steel plate having a thickness of 0.2 mm or 0.25 mm by press molding, and then each tongue-shaped convex portion 7 is bent by press molding from the root as shown in FIG. Can be formed by forming a bent portion 6 whose angle θ with respect to the gasket constituent portion 2 is a right angle or an acute angle, and the tongue-shaped convex portion 7 has a length of 8 mm for a bolt hole 2a having a diameter of 9 mm, for example. Can be
【００１５】この実施例の仮止め構造にあっては、図４
に示すように、金属板１のガスケット構成部２が排気マ
ニホールドのフランジ５の被シール面としての前面５ａ
に添えられると、上記フランジの厚さよりも短い二つの
折曲部６の先端部がフランジ５の二つのボルト孔５ｃの
内周面と当接してフランジ５の、二つのボルト孔５ｃよ
り内側の部分を弾性的に挟持し、それらの折曲部６で金
属板１ひいてはメタルガスケットをフランジ５に仮止め
する。なお、舌状凸部７は、図２（ｃ）に示すように、
基部が括れた幅広の形状として、ボルト孔５ｃの内周面
との当接面積を広くするようにしても良い。The temporary fixing structure of this embodiment is shown in FIG.
As shown in FIG. 5, the gasket component 2 of the metal plate 1 is the front surface 5a as the sealed surface of the flange 5 of the exhaust manifold.
, The tips of the two bent portions 6 shorter than the thickness of the flange come into contact with the inner peripheral surfaces of the two bolt holes 5c of the flange 5 and are located inside the two bolt holes 5c of the flange 5. The portions are elastically clamped, and the bent portions 6 temporarily fix the metal plate 1 and thus the metal gasket to the flange 5. In addition, the tongue-shaped protrusion 7 is, as shown in FIG.
The base portion may be narrowed to have a wide shape so that the contact area with the inner peripheral surface of the bolt hole 5c is widened.
【００１６】従って、この実施例の仮止め構造によれ
ば、装着対象であるフランジ５の厚さがガスケットの設
計当初の厚さより薄く設計変更された場合や、ガスケッ
トの当初の装着対象のフランジ５より厚さの薄い他のフ
ランジ５にこのメタルガスケットを使用する場合、ある
いはフランジ５の厚さにばらつきがある場合等でも、従
来の技術のような折曲部の先端部の内向きの凸部と装着
対象の背面の外周端部との掛合でなく、フランジ５の、
被シール面である前面５ａに対し直角に延在するボルト
孔５ｃの内周面と折曲部６との当接によりフランジ５を
挟持して金属板１を仮止めするので、金属板１ひいては
メタルガスケットをフランジ５に対し常に確実に仮止め
することができる。Therefore, according to the temporary fixing structure of this embodiment, when the thickness of the flange 5 to be mounted is changed to be thinner than the thickness of the gasket originally designed, or when the gasket 5 is initially mounted to the flange 5. Even when this metal gasket is used for another thinner flange 5, or when there is variation in the thickness of the flange 5, inward projections at the tip of the bent portion as in the conventional technique. Not on the outer peripheral edge of the back surface of the mounting target, but on the flange 5.
Since the inner peripheral surface of the bolt hole 5c extending at a right angle to the front surface 5a which is the sealed surface and the bent portion 6 contact each other, the flange 5 is sandwiched and the metal plate 1 is temporarily fixed. The metal gasket can be reliably and temporarily fixed to the flange 5.
【００１７】しかも、この実施例の仮止め構造によれ
ば、フランジ５の、被シール面である前面５ａに対し直
角に延在するボルト孔５ｃの内周面の途中まで延在する
折曲部６を形成すれば足りるので、金属板１の板取り
上、材料の金属板の無駄になる部分を少なくし得て、材
料コストを安くすることができる。Moreover, according to the temporary fixing structure of this embodiment, the bent portion of the flange 5 extending to the middle of the inner peripheral surface of the bolt hole 5c extending at a right angle to the front surface 5a which is the sealed surface. Since it suffices to form 6, it is possible to reduce the wasted portion of the metal plate of the material in the plate removal of the metal plate 1, and the material cost can be reduced.
【００１８】さらに、この実施例の仮止め構造によれ
ば、装着対象はフランジ５であり、被シール面に対し直
角に延在する面はフランジ５のボルト孔５ｃの内周面で
あり、折曲部６はそのボルト孔５ｃの内周面に当接する
ものであるから、金属板１の、フランジ５のボルト孔５
ｃに対応する通常は打ち抜いて捨てる部分から舌状凸部
７ひいては折曲部６を形成することができるので、材料
の金属板の無駄になる部分をさらに少なくし得て、材料
コストをさらに安くすることができる。Further, according to the temporary fixing structure of this embodiment, the mounting object is the flange 5, the surface extending at right angles to the sealed surface is the inner peripheral surface of the bolt hole 5c of the flange 5, and Since the curved portion 6 contacts the inner peripheral surface of the bolt hole 5c, the bolt hole 5 of the flange 5 of the metal plate 1
Since the tongue-shaped convex portion 7 and then the bent portion 6 corresponding to c can be formed from the normally punched and discarded portion, the wasted portion of the metal plate of the material can be further reduced, and the material cost can be further reduced. can do.
【００１９】図５（ａ）は、上記ガスケットの一変形例
を示す平面図、図５（ｂ）は、その図５（ａ）のＣ−Ｃ
線に沿う断面図であり、ここではガスケットが、上記ガ
スケット構成部２と同一の平面形状を持つもう一枚の金
属板８をさらに具えて積層型とされ、上記折曲部６はそ
のもう一枚の金属板８のボルト孔８ａ内を貫通して、金
属板８の、金属板１のガスケット構成部２に対向する面
と反対の面から突出している。FIG. 5 (a) is a plan view showing a modified example of the gasket, and FIG. 5 (b) is a sectional view taken along line CC of FIG. 5 (a).
FIG. 3 is a cross-sectional view taken along a line, in which the gasket is a laminated type further including another metal plate 8 having the same planar shape as that of the gasket constituent portion 2, and the bent portion 6 is the other one. It penetrates through the bolt holes 8a of the metal plates 8 and projects from the surface of the metal plate 8 opposite to the surface of the metal plate 1 facing the gasket constituting portion 2.
【００２０】図６は、この発明のメタルガスケットの仮
止め構造の他の一実施例を示す斜視図、図７は、その実
施例の仮止め構造の図６のＤ部を示す断面図、図８は、
その実施例の仮止め構造を持つメタルガスケットの構成
材料である金属板を展開状態で示す平面図、そして図９
は、上記実施例の仮止め構造を持つメタルガスケットを
フランジへの仮止め状態で示す断面図である。FIG. 6 is a perspective view showing another embodiment of the temporary fixing structure of the metal gasket of the present invention, and FIG. 7 is a sectional view showing a portion D of FIG. 6 of the temporary fixing structure of the embodiment. 8 is
9 is a plan view showing a metal plate, which is a constituent material of the metal gasket having the temporary fixing structure of the embodiment, in an expanded state, and FIG.
FIG. 4 is a cross-sectional view showing a metal gasket having the temporary fixing structure of the above embodiment in a temporarily fixed state to a flange.
【００２１】この実施例の仮止め構造は、単板型メタル
ガスケットを構成する金属板１の、上記フランジ５に対
応する形状のガスケット構成部２の外周縁に、上記フラ
ンジ６の厚さよりも短くて先端部に内向きの凸部９ａを
有する二つの折曲部９を互いに対向させて形成してなる
ものである。In the temporary fixing structure of this embodiment, the thickness of the metal plate 1 constituting the single plate type metal gasket is shorter than the thickness of the flange 6 on the outer peripheral edge of the gasket forming portion 2 having a shape corresponding to the flange 5. And two bent portions 9 each having an inwardly projecting portion 9a at its tip end face each other.
【００２２】かかる実施例の仮止め構造は、図８に示す
ように、フランジ５に対応する形状のガスケット構成部
２とその外周縁に連なる従来より短い二つ舌状凸部１０
とを有する展開形状の金属板１をプレス成形で打ち抜
き、次いで各舌状凸部１０の先端部にプレス成形で上記
凸部９ａを形成し、次いで各舌状凸部１０をプレス成形
で根元から折曲して折曲部９とすることで形成すること
ができ、図９に示すように、金属板１のガスケット構成
部２が排気マニホールドのフランジ５の被シール面とし
ての前面５ａに添えられると、フランジ５の厚さよりも
短い二つの折曲部９の先端部の内向きの凸部９ａがフラ
ンジ５の、その前面５ａに対し直角に延在する面であ
る、前面５ａに連なる外周面５ｄと平行に延在する背面
５ｂの外周端部と当接してフランジ５の幅全体に渡る部
分を弾性的に挟持し、それらの折曲部９で金属板１ひい
てはメタルガスケットをフランジ５に仮止めする。As shown in FIG. 8, the temporary fixing structure of this embodiment has a gasket forming portion 2 having a shape corresponding to the flange 5 and a two tongue-shaped convex portion 10 which is continuous with the outer peripheral edge and is shorter than the conventional one.
The expanded metal plate 1 having and is punched out by press molding, and then the projections 9a are formed at the tip of each tongue-shaped projection 10 by press molding. Then, each tongue-shaped projection 10 is press-formed from the root. It can be formed by bending to form a bent portion 9. As shown in FIG. 9, the gasket constituent portion 2 of the metal plate 1 is attached to the front surface 5a of the flange 5 of the exhaust manifold, which is the sealed surface. And an outer peripheral surface continuous with the front surface 5a, which is a surface of the flange 5 where the inwardly projecting portions 9a of the two bent portions 9 that are shorter than the thickness of the flange 5 extend at a right angle to the front surface 5a. 5d is brought into contact with the outer peripheral end of the back surface 5b to elastically clamp the portion across the entire width of the flange 5, and the bent portion 9 temporarily holds the metal plate 1 and thus the metal gasket on the flange 5. Stop.
【００２３】従って、この実施例の仮止め構造によれ
ば、装着対象であるフランジ５の厚さがガスケットの設
計当初の厚さより薄く設計変更された場合や、ガスケッ
トの当初の装着対象のフランジ５より厚さの薄い他のフ
ランジ５にこのメタルガスケットを使用する場合、ある
いはフランジ５の厚さにばらつきがある場合等でも、従
来の技術のような折曲部の先端部の内向きの凸部と装着
対象の背面の外周端部との掛合でなく、フランジ５の、
被シール面である前面５ａに対し直角に延在する外周面
５ｄと折曲部９の凸部９ａとの当接によりフランジ５を
挟持して金属板１を仮止めするので、金属板１ひいては
メタルガスケットをフランジ５に対し常に確実に仮止め
することができる。Therefore, according to the temporary fixing structure of this embodiment, when the thickness of the flange 5 to be mounted is changed to be thinner than the original thickness of the gasket, or when the gasket 5 is initially mounted to the flange 5. Even when this metal gasket is used for another thinner flange 5, or when there is variation in the thickness of the flange 5, inward projections at the tip of the bent portion as in the conventional technique. Not on the outer peripheral edge of the back surface of the mounting target, but on the flange 5.
Since the outer peripheral surface 5d that extends at a right angle to the front surface 5a that is the sealed surface and the convex portion 9a of the bent portion 9 abut, the flange 5 is sandwiched and the metal plate 1 is temporarily fixed. The metal gasket can be reliably and temporarily fixed to the flange 5.
【００２４】しかも、この実施例の仮止め構造によれ
ば、フランジ５の、被シール面である前面５ａに対し直
角に延在する外周面５ｄの途中まで延在する折曲部９を
形成すれば足りるので、金属板１の板取り上、材料の金
属板の無駄になる部分を少なくし得て、材料コストを安
くすることができる。Moreover, according to the temporary fixing structure of this embodiment, the bent portion 9 extending halfway along the outer peripheral surface 5d of the flange 5 which extends at a right angle to the front surface 5a which is the sealed surface is formed. Since it suffices, it is possible to reduce the wasted portion of the metal plate of the material for the plate removal of the metal plate 1, and the material cost can be reduced.
【００２５】以上、図示例に基づき説明したが、この発
明は上述の例に限定されるものでなく、例えば、先の実
施例と上記他の実施例とを組み合わせても良く、また、
上記他の実施例を適用するガスケットも積層型としても
良い。そしてこの発明の仮止め構造における折曲部は、
エンジンのシリンダヘッド等を装着対象としてその被シ
ール面またはその付近に開口する流体通路孔の内周面に
当接させても良く、あるいは装着対象の、被シール面に
対し鋭角に延在する面に当接させても良い。さらにこの
発明の仮止め構造における折曲部は、一枚の金属板に三
つ以上設けられていても良い。Although the above description is based on the illustrated example, the present invention is not limited to the above-described example, and for example, the preceding embodiment may be combined with the above-mentioned other embodiment, and
The gasket to which the other embodiment described above is applied may be a laminated type. The bent portion in the temporary fixing structure of the present invention is
The cylinder head of the engine may be attached to the sealed surface or the inner peripheral surface of the fluid passage hole that opens in the vicinity thereof, or the surface of the mounted object that extends at an acute angle to the sealed surface. May be brought into contact with. Further, three or more bent portions in the temporary fixing structure of the present invention may be provided on one metal plate.
【図１】 この発明のメタルガスケットの仮止め構造の
一実施例を示す斜視図である。FIG. 1 is a perspective view showing an embodiment of a temporary fixing structure for a metal gasket of the present invention.
【図２】 （ａ）は上記実施例の仮止め構造を持つメタ
ルガスケットの構成材料である金属板を展開状態で示す
平面図、（ｂ）は（ａ）のＡ部を拡大して示す平面図、
（ｃ）は（ｂ）と同様の部分の他の例を示す平面図であ
る。2A is a plan view showing a metal plate, which is a constituent material of the metal gasket having the temporary fixing structure of the above embodiment, in an unfolded state, and FIG. 2B is a plan view showing an enlarged portion A of FIG. 2A. Figure,
(C) is a plan view showing another example of the same portion as (b).
【図３】 （ａ）は上記実施例の仮止め構造を持つメタ
ルガスケットの構成材料である金属板を折曲部が形成さ
れた状態で示す平面図、（ｂ）は（ａ）のＢ−Ｂ線に沿
う断面図である。FIG. 3A is a plan view showing a metal plate, which is a constituent material of the metal gasket having the temporary fixing structure of the above embodiment, in a state in which a bent portion is formed, and FIG. It is sectional drawing which follows the B line.
【図４】 上記実施例の仮止め構造を持つメタルガスケ
ットをフランジへの仮止め状態で示す断面図である。FIG. 4 is a cross-sectional view showing the metal gasket having the temporary fixing structure of the above embodiment in a temporarily fixed state to a flange.
【図５】 （ａ）は上記ガスケットの一変形例を示す平
面図、（ｂ）は（ａ）のＣ−Ｃ線に沿う断面図である。5A is a plan view showing a modified example of the gasket, and FIG. 5B is a sectional view taken along line CC of FIG.
【図６】 この発明のメタルガスケットの仮止め構造の
他の一実施例を示す斜視図である。FIG. 6 is a perspective view showing another embodiment of the metal gasket temporary fixing structure of the present invention.
【図７】 上記実施例の仮止め構造の図６のＤ部を示す
断面図である。FIG. 7 is a cross-sectional view showing a portion D of FIG. 6 of the temporary fixing structure of the above embodiment.
【図８】 上記実施例の仮止め構造を持つメタルガスケ
ットの構成材料である金属板を展開状態で示す平面図で
ある。FIG. 8 is a plan view showing a metal plate, which is a constituent material of the metal gasket having the temporary fixing structure of the above embodiment, in a developed state.
【図９】 上記実施例の仮止め構造を持つメタルガスケ
ットをフランジへの仮止め状態で示す断面図である。FIG. 9 is a cross-sectional view showing the metal gasket having the temporary fixing structure of the above embodiment in a temporarily fixed state to the flange.
【図１０】 従来のメタルガスケットの仮止め構造を示
す斜視図である。FIG. 10 is a perspective view showing a conventional temporary fixing structure for a metal gasket.
【図１１】 上記従来の仮止め構造を持つメタルガスケ
ットの構成材料である金属板を展開状態で示す平面図で
ある。FIG. 11 is a plan view showing, in a developed state, a metal plate which is a constituent material of the conventional metal gasket having the temporary fixing structure.
【図１２】 （ａ）および（ｂ）は厚さの異なるフラン
ジへの従来の仮止め構造を持つメタルガスケットの仮止
め状態を示す断面図である。12A and 12B are cross-sectional views showing a temporarily fixed state of a metal gasket having a conventional temporary fixing structure to flanges having different thicknesses.
１ 金属板 ２ ガスケット構成部 ２ａ ボルト孔 ３ 折曲部 ３ａ 凸部 ４ 舌状凸部 ５ フランジ ５ａ 前面 ５ｂ 背面 ５ｃ ボルト孔 ５ｄ 外周面 ６ 折曲部 ７ 舌状凸部 ８ 金属板 ８ａ ボルト孔 ９ 折曲部 ９ａ 凸部 １０ 舌状凸部 1 metal plate 2 Gasket component 2a bolt hole 3 folding section 3a convex part 4 tongue-shaped protrusions 5 flange 5a front 5b back 5c bolt hole 5d outer peripheral surface 6 Folding part 7 Tongue convex 8 metal plates 8a bolt hole 9 Folding section 9a convex part 10 Tongue-shaped protrusion
Claims (3)
るメタルガスケットを、そのメタルガスケットによりシ
ールされる被シール面を有する装着対象に仮止めする構
造において、 前記金属板に、前記装着対象の、前記被シール面に対し
直角または鋭角に延在する面の途中まで延在し、その面
に当接して前記装着対象を挟持する複数の折曲部を設
け、 それらの折曲部で前記メタルガスケットを前記装着対象
に仮止めすることを特徴とする、メタルガスケットの仮
止め構造。1. A structure in which a metal gasket, which comprises at least one metal plate as a constituent material, is temporarily fixed to a mounting target having a sealed surface sealed by the metal gasket, wherein , A plurality of bent portions that extend to the middle of a surface that extends at a right angle or an acute angle with respect to the surface to be sealed and that abuts on the surface and clamps the attachment target, and the metal portions are formed at the bent portions. A structure for temporarily fixing a metal gasket, wherein the gasket is temporarily fixed to the mounting target.
延在する面は、前記被シール面に開口する孔の内周面で
あり、 前記折曲部は、前記内周面に当接するものであることを
特徴とする、請求項１記載のメタルガスケットの仮止め
構造。2. A surface extending at a right angle or an acute angle with respect to the sealed surface is an inner peripheral surface of a hole opened in the sealed surface, and the bent portion is in contact with the inner peripheral surface. The temporary fixing structure for the metal gasket according to claim 1, wherein
延在する面は、前記装着対象の、前記被シール面に連な
る外周面であり、 前記折曲部は、前記外周面に当接するものであることを
特徴とする、請求項１または２記載のメタルガスケット
の仮止め構造。3. A surface that extends at a right angle or an acute angle with respect to the sealed surface is an outer peripheral surface of the mounting target that is continuous with the sealed surface, and the bent portion is in contact with the outer peripheral surface. The temporary fixing structure for the metal gasket according to claim 1 or 2, wherein
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002065198A JP4132883B2 (en) | 2002-03-11 | 2002-03-11 | Metal gasket temporary fixing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002065198A JP4132883B2 (en) | 2002-03-11 | 2002-03-11 | Metal gasket temporary fixing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003262272A true JP2003262272A (en) | 2003-09-19 |
| JP4132883B2 JP4132883B2 (en) | 2008-08-13 |
Family
ID=29197628
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002065198A Expired - Fee Related JP4132883B2 (en) | 2002-03-11 | 2002-03-11 | Metal gasket temporary fixing structure |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010522304A (en) * | 2007-03-22 | 2010-07-01 | ルノー・エス・アー・エス | Device for mounting turbocharger on automobile exhaust system components |
| KR101272507B1 (en) | 2006-12-15 | 2013-06-10 | 현대자동차주식회사 | Exhaust manifold for vehicle |
| JP2015127586A (en) * | 2013-11-26 | 2015-07-09 | Nok株式会社 | Temporarily-fastening structure of metal gasket |
| CN108027065A (en) * | 2015-09-03 | 2018-05-11 | Nok株式会社 | Gasket |
| CN108413033A (en) * | 2018-03-19 | 2018-08-17 | 奇瑞商用车（安徽）有限公司 | A kind of sealing ring and its application method for the sealing of seat stabilizer blade |
| JP2021060097A (en) * | 2019-10-08 | 2021-04-15 | Nok株式会社 | gasket |
-
2002
- 2002-03-11 JP JP2002065198A patent/JP4132883B2/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101272507B1 (en) | 2006-12-15 | 2013-06-10 | 현대자동차주식회사 | Exhaust manifold for vehicle |
| JP2010522304A (en) * | 2007-03-22 | 2010-07-01 | ルノー・エス・アー・エス | Device for mounting turbocharger on automobile exhaust system components |
| JP2015127586A (en) * | 2013-11-26 | 2015-07-09 | Nok株式会社 | Temporarily-fastening structure of metal gasket |
| CN108027065A (en) * | 2015-09-03 | 2018-05-11 | Nok株式会社 | Gasket |
| US10830265B2 (en) | 2015-09-03 | 2020-11-10 | Nok Corporation | Gasket |
| CN108413033A (en) * | 2018-03-19 | 2018-08-17 | 奇瑞商用车（安徽）有限公司 | A kind of sealing ring and its application method for the sealing of seat stabilizer blade |
| CN108413033B (en) * | 2018-03-19 | 2021-09-28 | 奇瑞商用车（安徽）有限公司 | Sealing ring for sealing seat support leg and using method thereof |
| JP2021060097A (en) * | 2019-10-08 | 2021-04-15 | Nok株式会社 | gasket |
| JP7285753B2 (en) | 2019-10-08 | 2023-06-02 | Nok株式会社 | gasket |
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| Publication number | Publication date |
|---|---|
| JP4132883B2 (en) | 2008-08-13 |
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