CN107061734B - A kind of gasket and its design method of the connection for flange joint surface - Google Patents
A kind of gasket and its design method of the connection for flange joint surface Download PDFInfo
- Publication number
- CN107061734B CN107061734B CN201611249433.6A CN201611249433A CN107061734B CN 107061734 B CN107061734 B CN 107061734B CN 201611249433 A CN201611249433 A CN 201611249433A CN 107061734 B CN107061734 B CN 107061734B
- Authority
- CN
- China
- Prior art keywords
- gasket
- pressure
- flow passage
- passage openings
- pressure wave
- 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.)
- Active
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
Abstract
The invention discloses the gaskets and its design method of a kind of connection for flange joint surface, the pressure that the flange joint surface has at least two fluid channel mouths and the region when forming flanged joint where at least two fluid channel mouths is subject to is different, the gasket is respectively formed gasket flow passage openings in the position of each fluid channel mouth of correspondence, and the equal pressure wave of height of projection is provided with around each gasket flow passage openings to form Fluid Sealing, based on the difference of pressure suffered by each gasket flow passage openings region when forming flanged joint, the gasket is configured to will receive the formation pressure biggish pressure wave of wave radius in pressure biggish gasket flow passage openings region when forming flanged joint, and it will receive pressure lesser gasket flow passage openings region when forming flanged joint and form the pressure lesser pressure wave of wave radius.
Description
Technical field
The present invention designs flange interconnection technique field, more particularly to for the irregular method with multiple fluid channel mouths
The sealed connection on blue joint surface.
Background technique
Form the importance that effective Fluid Sealing is flanged joint.In internal combustion engine industry, fluid is leaked to engine
Performance And Reliability be affected, therefore the sealing of key position particularly important (such as cylinder cap and body faying face, water pump and machine
Body faying face etc.).The flange shape at these positions is often irregular, for example, bolted position and multiple fluids
The arrangement in channel is irregular, needs to form sealing in many places.In general, the fluid media (medium) of each fluid channel is independent from each other, than
If any into water return outlet, machine oil inlet and outlet, each fluid channel and other fluid channels cannot be penetrated through, and it is mixed otherwise to will lead to grease
The failures such as conjunction, gas-vapor mix, serious meeting damaging engine.Therefore it needs to form independent sealing to each fluid channel, it is especially right
Effective sealing is formed positioned at each fluid channel mouth of flange connection surface to be very important.Such as engine body and cylinder cap it
Between gasket not only seal the liquid of such as machine oil, coolant liquid, but also sealing gas, this requires to send out between liquids and gases
Raw contact；For another example, water-sealed pump water inlet, water pump return water, body main oil gallery machine oil are needed between engine body and water pump.And
The corresponding sealed medium pressure of different fluids is different.This is between engine body and cylinder cap or engine body and water pump
Between flanged joint gasket structure and bolt arrangement etc. propose very strict requirement.
For the connection on above-mentioned irregular flange joint surface, the design of gasket at present is to assume the pressure at each fluid channel
Premised on identical, as long as minimal pressure force value reaches requirement, the sealing of same waveform is used in the position of various fluid channels
Press wave (pressure wave is the protrusion stamped out on metal coated board gasket).However pass through verifying, the mode meeting of this sealed connection
There is the phenomenon that fluid leakage or mixing of different fluid medium.The reason is that flange is irregular, the position of bolt and screw-down torque
Difference causes flange distortion degree different, causes local pressure is excessive flange face is caused to deform, and local pressure deficiency is made
At leakage.
Summary of the invention
The purpose of the present invention is improving the waveform for sealing pressure wave in view of the above-mentioned problems of the prior art, passing through, make to press
Power distribution is more rationally uniform.The purpose is achieved through the following technical solutions.
The present invention proposes a kind of gasket of connection for flange joint surface, and the flange joint surface has at least two streams
The pressure that body passway and the region when forming flanged joint where at least two fluid channel mouths are subject to is different, feature
It is, the gasket is respectively formed gasket flow passage openings in the position of each fluid channel mouth of correspondence, and opens in each gasket runner
The equal pressure wave of height of projection is provided with to form Fluid Sealing, based on each gasket stream when forming flanged joint around mouthful
Pressure suffered by road open area is different, and the gasket is configured to will receive the biggish gasket of pressure when forming flanged joint
Flow passage openings region forms the pressure biggish pressure wave of wave radius, and will receive the lesser gasket stream of pressure when forming flanged joint
Road open area forms the pressure lesser pressure wave of wave radius.
Further, the flange joint surface has the irregular threaded connection hole of position distribution.
Further, the flange joint surface has the threaded connection hole of different threaded connection intensity.
In a preferred embodiment of the invention, pressure wave is formed through the stamping process.
The gasket can be assembled between engine cylinder cover and engine body.
Alternatively, the gasket can be assembled between engine water pump and engine body.
In addition, the method that the present invention also proposes a kind of gasket of connection designed for flange joint surface, the flange connect
Conjunction face there are at least two fluid channel mouths and region when forming flanged joint where at least two fluid channel mouths by
The pressure arrived is different, which is characterized in that the described method comprises the following steps：
According to the shape on flange joint surface, the size and location of the threaded connection hole on flange joint surface and fluid channel mouth
Shape and position, be arranged gasket shape, corresponding to threaded connection hole gasket connecting hole size and position and correspond to
The shape of the gasket flow passage openings of fluid channel mouth and position；
According to the position of each gasket connecting hole, corresponding threaded connection intensity and screw-down torque and each gasket runner
The position of opening determines the pressure that each gasket flow passage openings region will receive when forming flanged joint；
The pressure wave equal around the height of projection of each gasket flow passage openings is formed on the gasket, according to each gasket stream
The pressure that road open area will receive when forming flanged joint, it will the pressure in the biggish gasket flow passage openings region that is under pressure
The pressure wave radius of wave is configured to be greater than the pressure wave radius of the pressure wave in the pressure lesser gasket flow passage openings region that will receive.
The method preferably forms pressure wave through the stamping process.
The advantage of the invention is that：By the waveform configuration of optimization gasket, suffered by the band for making each fluid channel mouth
Pressure tends to uniformly, thus efficiently avoid the fluid as caused by insufficient pressure leakage and pressure it is excessive caused by flange face
Deformation.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings：
The threaded hole on the flange joint surface that the gasket that Fig. 1 schematically illustrates embodiment according to the present invention is applicable in point
Cloth schematic diagram.
Fig. 2 schematically illustrates the engine water pump (left side) that the gasket of embodiment according to the present invention is applicable in and hair
The view on the flange joint surface of motivation body (right side).
Fig. 3 schematically illustrates the floor map of the gasket of embodiment according to the present invention.
Fig. 4 schematically illustrates cross-sectional view of the gasket in the position for forming pressure wave of embodiment according to the present invention.
Specific embodiment
The illustrative embodiments of the disclosure are more fully described below with reference to accompanying drawings.Although showing this public affairs in attached drawing
The illustrative embodiments opened, it being understood, however, that may be realized in various forms the disclosure without the reality that should be illustrated here
The mode of applying is limited.It is to be able to thoroughly understand the disclosure on the contrary, providing these embodiments, and can be by this public affairs
The range opened is fully disclosed to those skilled in the art.
Embodiment according to the present invention proposes a kind of gasket of connection for flange joint surface, the flange engagement
Face has at least two fluid channel mouths.In the exemplary embodiment and not restrictive of one kind of the invention, such as Fig. 1 to figure
Shown in 3, flange connection surface is respectively provided with four fluid channel mouths and five threaded connection holes, therefore gasket of the invention is correspondingly
There are four gasket flow passage openings (being shown respectively with A, B, C, D in Fig. 3) and five gasket connecting holes for tool, can be seen by attached drawing
Out, the location and shape size of each fluid channel mouth and the position distribution of each threaded connection hole are all irregular.With Fig. 1 and
For Fig. 2, it illustrates the flange joint surface of a kind of engine body of type and water pump, (wherein, the left side view of Fig. 2 is hair
The flange joint surface of motivation water pump, the flange joint surface that right side view is engine body), it can be seen that the threaded hole of bottom
5 at a distance from other four threaded holes farther out, and due to reasons in structure, the strength grade of the corresponding bolt of threaded hole 5 compared with
The strength grade of the corresponding bolt of other threaded holes is high, and correspondingly its screw-down torque is greater than other four bolts.Therefore it is being formed
The corresponding region gasket flow passage openings D being easy in such as Fig. 3 when flanged joint generates biggish pressure, so as to cause top
The actual pressure in region --- gasket flow passage openings A and the corresponding region gasket flow passage openings B in especially such as Fig. 3 --- is smaller
And sealing effect is influenced, so that fluid leakage occur.For this purpose, gasket of the invention solves the above problems with the following method：?
The equal pressure wave of height of projection is set around each gasket flow passage openings, and the pressure wave for example passes through punching on metal plate gasket
The protrusion (as shown in Figure 4) for pressing technique to be formed presses other areas of pressure ratio at wave when forming flanged joint by tightening bolt
The pressure in domain is big, to form closed band around gasket flow passage openings to realize the effect of Fluid Sealing；Due to
In the identical situation of pressure wave height, corrugating at circular arc radius (i.e. pressure wave radius) it is bigger, press the shape of wave gentler,
Correspondingly the pressure wave rigidity of gasket in the position is smaller, therefore will form relatively small pressure when being compacted, therefore, in stress
Around biggish gasket flow passage openings D formed pressure the biggish pressure wave of wave radius, and the lesser gasket flow passage openings A of stress,
B, the pressure lesser pressure wave of wave radius is formed around C, and the height of all pressure waves is identical.For example, can be in pressure wave height phase
The pressure wave radius in the region gasket flow passage openings D is arranged to the pressure in the about region gasket flow passage openings A, B, C under the premise of
Twice of wave radius is to reach advantageous sealing effect.By this way, when forming flanged joint, each fluid channel mouth region domain
Pressure distribution it is more uniform, so as to avoid due to respective regions pressure it is excessive caused by flange face deformation and partial region pressure
Fluid caused by power is insufficient leaks.
In addition, in an exemplary embodiment of the present invention, due to threaded hole 5 and remaining threaded hole and fluid channel
Mouthful distance farther out, therefore in order to when forming flanged joint gasket will not occur bending and deformation and lead to discontinuity, can be with
It is arranged and gasket flow passage openings A, B, C, D corresponding to around gasket connecting hole E shown in the position of threaded hole 5, i.e. Fig. 3
The mutually level pressure wave of pressure wave of surrounding.
It should be pointed out that gasket present invention as described above is used for flange between engine water pump and engine body
Connection.Alternatively, gasket of the invention can be used for the connection between engine cylinder cover and engine body.Alternatively, this hair
Bright gasket can be also used for the flange joint surface with other with similar structures and connection type.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of the claim
Subject to enclosing.
Claims (7)
1. a kind of gasket of the connection for flange joint surface, the flange joint surface have at least two fluid channel mouths and
The pressure that region when forming flanged joint where at least two fluid channel mouths is subject to is different, which is characterized in that the pad
Piece is respectively formed gasket flow passage openings in the position of each fluid channel mouth of correspondence, and is arranged around each gasket flow passage openings
The pressure wave for having height of projection equal is to form Fluid Sealing, based on each gasket flow passage openings region institute when forming flanged joint
The pressure received is different, and the gasket is configured to will receive pressure biggish gasket flow passage openings region when forming flanged joint
The pressure biggish pressure wave of wave radius is formed, and will receive pressure lesser gasket flow passage openings region shape when forming flanged joint
At the pressure lesser pressure wave of wave radius；The flange joint surface has the irregular threaded connection hole of position distribution, and the gasket is set
Be equipped with the irregular gasket connecting hole of position distribution corresponding with the threaded connection hole, with each gasket flow passage openings at a distance of compared with
It is provided with pressure wave around remote gasket connecting hole, which has phase with the pressure wave being set to around each gasket flow passage openings
Deng height.
2. gasket according to claim 1, which is characterized in that the flange joint surface has different threaded connection intensity
Threaded connection hole.
3. gasket according to claim 1, which is characterized in that form pressure wave through the stamping process.
4. gasket according to any one of claims 1 to 3, which is characterized in that the gasket is assembled in engine
Between cylinder cap and engine body.
5. gasket according to any one of claims 1 to 3, which is characterized in that the gasket is assembled in engine
Between water pump and engine body.
6. a kind of method of the gasket of the connection designed for flange joint surface, the flange joint surface has at least two fluids
The pressure that passway and the region when forming flanged joint where at least two fluid channel mouths are subject to is different, the flange
Joint surface has the irregular threaded connection hole of position distribution, and the gasket is provided with position corresponding with the threaded connection hole
It is distributed irregular gasket connecting hole, which is characterized in that the described method comprises the following steps：
According to the shape on flange joint surface, the shape of the size and location of the threaded connection hole on flange joint surface and fluid channel mouth
Shape and position, be arranged gasket shape, corresponding to threaded connection hole gasket connecting hole size and position and correspond to fluid
The shape of the gasket flow passage openings of passway and position；
According to the position of each gasket connecting hole, corresponding threaded connection intensity and screw-down torque and each gasket flow passage openings
Position, determine the pressure that each gasket flow passage openings region will receive when forming flanged joint；
The pressure wave equal around the height of projection of each gasket flow passage openings is formed on the gasket, is opened according to each gasket runner
The pressure that mouth region domain will receive when forming flanged joint, it will the pressure wave in the biggish gasket flow passage openings region that is under pressure
Pressure wave radius is configured to be greater than the pressure wave radius for the pressure wave that will receive pressure lesser gasket flow passage openings region；
The setting pressure wave around the gasket connecting hole apart from each other with each gasket flow passage openings, so that the pressure wave and being set to each
Pressure wave around gasket flow passage openings has equal height.
7. gasket according to claim 6, which is characterized in that form pressure wave through the stamping process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611249433.6A CN107061734B (en) | 2016-12-29 | 2016-12-29 | A kind of gasket and its design method of the connection for flange joint surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611249433.6A CN107061734B (en) | 2016-12-29 | 2016-12-29 | A kind of gasket and its design method of the connection for flange joint surface |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107061734A CN107061734A (en) | 2017-08-18 |
| CN107061734B true CN107061734B (en) | 2018-11-16 |
Family
ID=59623554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611249433.6A Active CN107061734B (en) | 2016-12-29 | 2016-12-29 | A kind of gasket and its design method of the connection for flange joint surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107061734B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4869515A (en) * | 1988-02-19 | 1989-09-26 | Ishikawa Gasket Co., Ltd. | Metal plate with reinforced beads for a metal gasket |
| CN1193689A (en) * | 1997-03-14 | 1998-09-23 | 石川衬垫株式会社 | Metal laminate gasket with irregular size seal ring |
| CN201461057U (en) * | 2009-07-13 | 2010-05-12 | 奇瑞汽车股份有限公司 | Exhaust manifold gasket |
| CN203383890U (en) * | 2013-08-15 | 2014-01-08 | 安徽江淮汽车股份有限公司 | Exhaust manifold gasket |
| CN203488287U (en) * | 2013-10-10 | 2014-03-19 | 安徽江淮汽车股份有限公司 | Inlet manifold gasket for gasoline engine |
| CN204627786U (en) * | 2015-04-29 | 2015-09-09 | 重庆长安汽车股份有限公司 | A kind of gasoline engine exhaust manifold gasket |
| CN105065667A (en) * | 2015-09-10 | 2015-11-18 | 东风(十堰)气缸垫有限公司 | Engine metal rubber coated steel plate sealing gasket |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4571195B2 (en) * | 2008-02-12 | 2010-10-27 | 石川ガスケット株式会社 | Cylinder head gasket and cylinder head gasket design method |
-
2016
- 2016-12-29 CN CN201611249433.6A patent/CN107061734B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4869515A (en) * | 1988-02-19 | 1989-09-26 | Ishikawa Gasket Co., Ltd. | Metal plate with reinforced beads for a metal gasket |
| CN1193689A (en) * | 1997-03-14 | 1998-09-23 | 石川衬垫株式会社 | Metal laminate gasket with irregular size seal ring |
| CN201461057U (en) * | 2009-07-13 | 2010-05-12 | 奇瑞汽车股份有限公司 | Exhaust manifold gasket |
| CN203383890U (en) * | 2013-08-15 | 2014-01-08 | 安徽江淮汽车股份有限公司 | Exhaust manifold gasket |
| CN203488287U (en) * | 2013-10-10 | 2014-03-19 | 安徽江淮汽车股份有限公司 | Inlet manifold gasket for gasoline engine |
| CN204627786U (en) * | 2015-04-29 | 2015-09-09 | 重庆长安汽车股份有限公司 | A kind of gasoline engine exhaust manifold gasket |
| CN105065667A (en) * | 2015-09-10 | 2015-11-18 | 东风(十堰)气缸垫有限公司 | Engine metal rubber coated steel plate sealing gasket |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107061734A (en) | 2017-08-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4714260A (en) | Steel laminate gasket | |
| US4759556A (en) | Metal gasket with auxiliary bead | |
| JP2000088105A (en) | Cylinder head gasket | |
| EP0701051B1 (en) | Metal gasket for chain casing engines | |
| US6712364B2 (en) | Cylinder head gasket | |
| CN101636607A (en) | Multi-layer gasket | |
| KR100739500B1 (en) | Cylinder head gasket | |
| US6994353B2 (en) | Metal gasket | |
| CN107061734B (en) | A kind of gasket and its design method of the connection for flange joint surface | |
| CN101802464B (en) | Cylinder head gasket | |
| US4979758A (en) | Steel laminate gasket with fluid hole closing device | |
| MX2007000602A (en) | Fluid aperture with stopper bead. | |
| CN204647625U (en) | A kind of exhaust pipe seal gasket | |
| SE1651224A1 (en) | Heat exchanger having through hole for fastening of hydro block | |
| EP0695897B1 (en) | Metal gasket for swirl chamber type engines | |
| US20020024183A1 (en) | Gaskets | |
| JP4028190B2 (en) | Metal gasket | |
| CN205973638U (en) | Be applied to sealing device of forklift truck fuel tank apron | |
| US20050093247A1 (en) | Cylinder head gasket | |
| CN207660723U (en) | Gasket and engine for flanged joint | |
| CN210567456U (en) | Oil cooler structure | |
| CN209196345U (en) | The antiseep flange of evaporator | |
| CN209385761U (en) | A kind of new-type bonnet assemblies | |
| JP4726293B2 (en) | Cylinder head gasket | |
| JPH0346209Y2 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |