CN107143711A - A kind of flange gasket - Google Patents
A kind of flange gasket Download PDFInfo
- Publication number
- CN107143711A CN107143711A CN201710479864.XA CN201710479864A CN107143711A CN 107143711 A CN107143711 A CN 107143711A CN 201710479864 A CN201710479864 A CN 201710479864A CN 107143711 A CN107143711 A CN 107143711A
- Authority
- CN
- China
- Prior art keywords
- outer circumference
- sheet
- circumferential portion
- flange gasket
- inner circumferential
- 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.)
- Withdrawn
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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The present invention provides a kind of flange gasket, including outer circumference and inner circumferential portion, the outer circumference and inner circumferential portion connect integral in same level, on vertical section direction, the vertical thickness of outer circumference is less than the vertical thickness of inner circumferential portion, the outer circumference includes rubber bodies and between being parallel to each other across the compressible elastomeric layer and sheet-metal layers being inserted in the middle of rubber bodies, the inner circumferential portion includes graphite body and the sheet metal being inserted in the middle of graphite body, and the sheet-metal layers are vertical with the unilateral face of metal foil.The flange gasket of the present invention disclosure satisfy that all excellent requirements of crushing resistance, shock resistance and sealing.
Description
Technical field
The present invention relates to flange technical field, a kind of sealing gasket of flange is specifically related to.
Background technology
Traditional joint seal of flanges generally uses flat rubber washer, and the pressure that it can bear is relatively low, typically all
It is limited to 1 .6MPa pressure used below, it is simple in construction additionally, due to its, therefore sealedly security is poor.And current rubber
The height selection of packing ring its rigidity has following awkward situation：Though rubber hardness high high pressure its sealing property owe
It is good, and if rubber hardness is low, although sealing performance is quite a lot of, but sealing gasket is easily pressed within and broken through, and causes leakage.
In addition, during the flange use of prior art, when the medium in pipeline is in flow regime, medium meeting
Impact, accumulation over time are produced to the sealing gasket between flange, sealing gasket can depart from flange, and then produce shadow to sealing
Ring.Complexity for flange use environment is different, and during in the environment for have concussion, sealing gasket also can be slowly from method
Depart from orchid, influence is produced on sealing.
Therefore, all excellent requirements of crushing resistance, shock resistance and sealing can be realized there is presently no a kind of sealing gasket.
The content of the invention
In view of the defect of above-mentioned prior art, the technical problem to be solved in the present invention is to provide a kind of sealing of flange
Pad, it is desirable to which the sealing gasket meets all excellent requirements of crushing resistance, shock resistance and sealing.
In view of the above-mentioned technical problem to be solved, the present invention provides following technical solution：A kind of flange gasket,
Including outer circumference and inner circumferential portion, outer circumference and inner circumferential portion connect integral in same level,
On the vertical section direction of sealing gasket, the vertical thickness of outer circumference is less than the vertical thickness of inner circumferential portion, excircle
It is interior across the compressible elastomeric layer and sheet-metal layers being inserted in the middle of rubber bodies between partly including rubber bodies and being parallel to each other
Circumferential section includes graphite body and the sheet metal being inserted in the middle of graphite body, and sheet-metal layers are vertical with the unilateral face of metal foil.
It is preferred that, the vertical section of the outer circumference and inner circumferential portion is rectangle.
It is further preferred that the vertical section of the inner circumferential portion is D-shaped.
It is preferred that, the outer peripheral position in the outer circumference, which is provided with, can pass through the hole of bolt.
It is preferred that, the outer circumference includes one layer of compressible elastomeric layer and layer of metal flaggy.
It is preferred that, the outer circumference includes two layers of compressible elastomeric layer and layer of metal flaggy, the metal up and down
Flaggy is located at the centre of two layers of compressible elastomeric layer up and down.
It is further preferred that the compressible elastomeric layer is hollow rubber layer.
It is further preferred that the compressible elastomeric layer is graphite linings.
It is further preferred that the sheet-metal layers and sheet metal is in stainless steel, steel, iron, aluminium, nickel, copper, titanium or zinc
One kind, or the alloy that is made up of nickel, copper, aluminium or zinc are made.
It is further preferred that the sheet-metal layers thickness is 0.5-4mm, the thickness of the sheet metal for 0.02-
1mm。
Compared with prior art, the beneficial effects of the invention are as follows：
（1）Flange gasket in the present invention, inserted with compressible elastomeric layer and metal in the rubber bodies of its outer circumference
Flaggy, compressible elastomeric layer can be produced elastic deformation during flange screw, when flange is given a shock or during by media impingement, can be pressed
The elastic deformation of contracting elastic layer can play cushioning effect to impulsive force, and the damage of outer bound pair flange gasket is reduced to the full extent
It is bad, extend the service life of sealing gasket；And the sheet-metal layers make sealing gasket have enough compression strength, now rubber material
Material may be selected by the relatively low rubber of hardness to meet good sealing requirements, therefore can make in rubber bodies insertion metallic plate close
The existing enough compression strength of packing meets good sealing again.
（2）Flange gasket in the present invention, with outer circumference inner edge also inner circumferential portion, inner circle connected vertically
Circumferential portion includes graphite body and the sheet metal being inserted in the middle of graphite body, and graphite has good for high temperature and Korrosionsmedium
Good stability, the permeability to liquid is smaller, with higher compressibility and resilience, therefore it is outer to can be very good protection
The sealing gasket of circumferential section, extends the service life of sealing gasket, and sheet metal can improve the compression strength of inner circumferential portion.
（3）The vertical thickness of outer circumference is less than the vertical thickness of inner circumferential portion in the present invention, makes hanging down for sealing gasket
Straight section is T-shaped, the outer circumference of flange screw sealing gasket when using lied down, the company of its inner circumferential portion laminating flange
Seam crossing, forms an erosion-resisting protection band of resistance to compression, improves the sealing property of sealing gasket.
（4）In the present invention, the vertical section of outer circumference is rectangle, and the vertical section of inner circumferential portion is rectangle, is entered
One step is preferably D-shaped, and the flowing of medium in pipe can be made more smooth, slows down impact of the medium to sealing gasket inner circumferential portion in pipe
Dynamics, plays a protective role to sealing gasket.
（5）Outer peripheral position in the present invention in outer circumference, which is provided with, can pass through the hole of bolt, and flange will be sealed
After pad steps up, fixed, sealing gasket can be firmly fixed between flange using bolt, even if there is concussion in the external world or impacted,
Also sealing gasket will not be made to depart from flange.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and constitutes a part for specification, the reality with the present invention
Applying example is used to explain the present invention together, is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is a kind of embodiment schematic diagram of flange gasket of the present invention；
Fig. 2 is Fig. 1 flange gasket vertical cross-sectional view；
Fig. 3 is the sectional elevation schematic diagram of another embodiment of flange gasket of the present invention；
Fig. 4 is the sectional elevation schematic diagram of another embodiment of flange gasket of the present invention；
Fig. 5 is the top view of Fig. 4 flange gasket；
Fig. 6 is the improvement embodiment schematic diagram of embodiment in Fig. 4；
Marked in figure：1st, outer circumference；11st, rubber bodies；12nd, compressible elastomeric layer；13rd, sheet-metal layers；2nd, inner circumference portion
Point；21st, graphite body；22nd, sheet metal.
Embodiment
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described.Below with reference to the accompanying drawings and in conjunction with the embodiments
To describe the present invention in detail.
Embodiment 1, as depicted in figs. 1 and 2, the flange gasket in the present embodiment include outer circumference 1 and interior
Circumferential section 2, outer circumference 1 and inner circumferential portion 2 connect integral in same level, in vertical section direction
On, the vertical section of outer circumference 1 and inner circumferential portion 2 is rectangle, and the vertical thickness of outer circumference 1 is less than inner circle
The vertical thickness of circumferential portion 2.
Outer circumference 1 includes rubber bodies 11, and the rubber bodies 11 use the relatively low EPDM rubber or NBR rubber of hard,
The ageing-resistant performance of EPDM rubber material is good, and is difficult to react with chemical mediator；NBR rubber material can protect product
Oil resistance.In the inside insertion compressible elastomeric layer 12 and sheet-metal layers 13 of rubber bodies 11, compressible elastomeric layer 12 and gold
Category flaggy 13 is distributed in inside rubber bodies 11 across parallel each other.
Compressible elastomeric layer 12 in the present embodiment can be hollow rubber layer, its be manufactured into rubber bodies 11 one it is whole
Body, to external world pressure play cushioning effect；Can also be one layer of graphite linings, the mass area ratio of this graphite linings is up to 500-
1200g/m2, quality grey matter is up to 2%, the higher compressibility and rebound performance of graphite is mainly used herein, to external world
Pressure can equally play cushioning effect.
Sheet-metal layers 13 are one kind in stainless steel, steel, iron, aluminium, nickel, copper, titanium or zinc, or by nickel, copper, aluminium or zinc structure
Into alloy be made, thickness is 0.5-4mm, specific size according to the vertical thickness of outer circumference 1 determine.
Sheet-metal layers 13 and rubber bodies 11 are that integral type vulcanizes overall structure, wherein, need to be sprayed before metallic plate vulcanization
Sand, ball blast and coating adhesive etc. are surface-treated, so as to ensure the overall high intensity of outer circumference 1.
The sheet metal 22 that inner circumferential portion 2 includes graphite body 21 and is inserted in the middle of graphite body 21.Graphite body 21
Mass area ratio is up to 350g/m2, quality grey matter is up to 0.15%.It is right because graphite body 21 has good stability
The permeability of liquid is smaller, and it is the terminal to form medium-tight in a pipe in the effect of inner circumferential portion 2, thus to the greatest extent
It is possible to prevent the formation of leakage path, sealing gasket is played a very good protection.The weight per unit area of graphite body 21 is got over
Small, then slip is lower.Therefore, the weight per unit area of the graphite body 21 of the inner circumferential portion 2 in the present invention is up to 350g/
m2, and preferably 150-250g/m2。
Sheet metal 22 is similar with the material of sheet-metal layers 13, same for stainless steel, steel, iron, aluminium, nickel, copper, titanium or zinc
In one kind, or the alloy being made up of nickel, copper, aluminium or zinc is made, and thickness is 0.02-1mm, preferably 0.02-0.2mm,
Specific thickness is determined according to the horizontal cross-section width of inner circumferential portion 2.
Sheet metal 22 and graphite body 21 are made up of one kind selected from organo-silicon compound, metallic soap or perfluorochemical
Interfacial activity increase adhesive force material or traditional be subjected to aging, softening and/or chemistry or thermal decomposition by a kind of
Binding agent is connected, the connection that will not be unclamped in the contact surface formation one of sheet metal 22 and graphite body 21.
Above-mentioned sheet-metal layers 13 are vertical with the face face of sheet metal 22.
In use, the outer circumference 1 of sealing gasket is clipped in the middle of flange, the inner circumferential portion 2 of sealing gasket is allowed to be close to
The seam crossing of flange connection, fixes tight using bolt by flange, now the compressible elastomeric layer 12 in outer circumference 1 can because
Pressure effect produces elastic deformation, cushioning effect is played to active force, while sheet-metal layers therein 13 can increase outer circumference portion
Point 1 compression strength, prevents sealing gasket to be destroyed.The graphite body 21 of inner circumferential portion 2 is because of its good permeability resistance, Ke Yiyou
Effect prevents the destruction of high temperature or Korrosionsmedium to sealing gasket.Medium motion status patterns can produce punching to inner circumferential portion 2 in pipe
Power is hit, now the sheet metal 22 of inner circumferential portion 2 can strengthen the compression strength of inner circumferential portion 2 to a certain extent.
Embodiment 2, as shown in figure 3, the present embodiment is the improvement made on the basis of embodiment 1, with embodiment 1 not
It is with part, the vertical section of the inner circumferential portion 2 in this example is D-shaped, compared to the rectangle in embodiment 1, D-shaped section
Inner circumferential portion 2 cushioning effect can more be played to the impulsive force of medium, make that medium transmits in the duct is more smooth.
Embodiment 3, as shown in Figure 4 and Figure 5, the present embodiment are the improvement made on the basis of embodiment 2, with embodiment
2 difference is that the outer peripheral position of outer circumference 1 in the present embodiment, which is provided with, can pass through the hole 14 of bolt,
After flange clamps sealing gasket, fixed, sealing gasket can be firmly fixed between flange using bolt, even if there is shake in the external world
Swing or impact, sealing gasket is departed from flange.
Embodiment 4, as shown in fig. 6, the present embodiment is the improvement made on the basis of embodiment 3, with embodiment 3 not
It is with part, in the present embodiment in the rubber bodies 11 of outer circumference 1, provided with two layers of compressible elastomeric layer 12 and one up and down
Layer sheet-metal layers 13, sheet-metal layers 13 are located at the centre of two layers of compressible elastomeric layer 12 up and down.This further improves excircle
The elastic deformation space of part 1, can play bigger cushioning effect by pressure, so as to realize good anti-seismic performance to external world.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, although with reference to foregoing reality
Apply example the present invention is described in detail, for those skilled in the art, it still can be to previous embodiment
Described technical scheme is modified, or carries out equivalent substitution to which part technical characteristic.All spirit in the present invention
Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (10)
1. a kind of flange gasket, including outer circumference（1）And inner circumferential portion（2）, the outer circumference（1）And inner circle
Circumferential portion（2）Connected in same level integral, it is characterised in that：On vertical section direction, outer circumference（1）
Vertical thickness be less than inner circumferential portion（2）Vertical thickness, the outer circumference（1）Including rubber bodies（11）And mutually
Across being inserted in rubber bodies between parallel（11）Middle compressible elastomeric layer（12）And sheet-metal layers（13）, the inner circumference portion
Point（2）Including graphite body（21）And it is inserted in graphite body（21）Middle sheet metal（22）, the sheet-metal layers（13）With
Sheet metal（22）Face face is vertical.
2. flange gasket according to claim 1, it is characterised in that：The outer circumference（1）And inner circumferential portion
（2）Vertical section be rectangle.
3. flange gasket according to claim 2, it is characterised in that：The inner circumferential portion（2）Vertical section be D
Shape.
4. flange gasket according to claim 1, it is characterised in that：In the outer circumference（1）Neighboring position
Install to be equipped with and can pass through the hole of bolt（14）.
5. flange gasket according to claim 1, it is characterised in that：The outer circumference（1）It can be pressed including one layer
Contracting elastic layer（12）With layer of metal flaggy（13）.
6. flange gasket according to claim 1, it is characterised in that：The outer circumference（1）Including two layers up and down
Compressible elastomeric layer（12）With layer of metal flaggy（13）, the sheet-metal layers（13）Positioned at two layers of compressible elastomeric layer up and down
（12）Centre.
7. flange gasket according to any one of claim 1 to 6, it is characterised in that：The compressible elastomeric layer
（12）For hollow rubber layer.
8. flange gasket according to any one of claim 1 to 6, it is characterised in that：The compressible elastomeric layer
（12）For graphite linings.
9. flange gasket according to any one of claim 1 to 6, it is characterised in that：The sheet-metal layers（13）With
Sheet metal（22）For one kind in stainless steel, steel, iron, aluminium, nickel, copper, titanium or zinc, or the conjunction being made up of nickel, copper, aluminium or zinc
What gold was made.
10. flange gasket according to claim 9, it is characterised in that：The sheet-metal layers（13）Thickness be 0.5-
4mm, the sheet metal（22）Thickness be 0.02-1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710479864.XA CN107143711A (en) | 2017-06-22 | 2017-06-22 | A kind of flange gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710479864.XA CN107143711A (en) | 2017-06-22 | 2017-06-22 | A kind of flange gasket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107143711A true CN107143711A (en) | 2017-09-08 |
Family
ID=59781985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710479864.XA Withdrawn CN107143711A (en) | 2017-06-22 | 2017-06-22 | A kind of flange gasket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107143711A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0616884A2 (en) * | 1993-03-25 | 1994-09-28 | Sgl Technik Gmbh | Method of making a layered metal and graphite product |
| CN1540195A (en) * | 2003-04-08 | 2004-10-27 | SGL̼�ɷݹ�˾ | Gasket ring for flange connection |
| CN201014095Y (en) * | 2007-02-13 | 2008-01-30 | 宋付丽 | Sealing gasket dedicated for steel skeleton composite pipes |
| CN202023874U (en) * | 2011-04-03 | 2011-11-02 | 张芬 | Elevator damping pad |
| CN204403631U (en) * | 2014-12-19 | 2015-06-17 | 际华三五一七橡胶制品有限公司 | A kind of enhanced rubber flange gasket |
| CN205689756U (en) * | 2016-06-21 | 2016-11-16 | 蔡江 | Black box |
| CN205877503U (en) * | 2016-05-24 | 2017-01-11 | 马鞍山宏力橡胶制品有限公司 | Novel flange seal packing ring |
| CN206190893U (en) * | 2016-10-31 | 2017-05-24 | 郑州长城科工贸有限公司 | High vacuum flange is sealed to be filled up |
-
2017
- 2017-06-22 CN CN201710479864.XA patent/CN107143711A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0616884A2 (en) * | 1993-03-25 | 1994-09-28 | Sgl Technik Gmbh | Method of making a layered metal and graphite product |
| CN1540195A (en) * | 2003-04-08 | 2004-10-27 | SGL̼�ɷݹ�˾ | Gasket ring for flange connection |
| CN201014095Y (en) * | 2007-02-13 | 2008-01-30 | 宋付丽 | Sealing gasket dedicated for steel skeleton composite pipes |
| CN202023874U (en) * | 2011-04-03 | 2011-11-02 | 张芬 | Elevator damping pad |
| CN204403631U (en) * | 2014-12-19 | 2015-06-17 | 际华三五一七橡胶制品有限公司 | A kind of enhanced rubber flange gasket |
| CN205877503U (en) * | 2016-05-24 | 2017-01-11 | 马鞍山宏力橡胶制品有限公司 | Novel flange seal packing ring |
| CN205689756U (en) * | 2016-06-21 | 2016-11-16 | 蔡江 | Black box |
| CN206190893U (en) * | 2016-10-31 | 2017-05-24 | 郑州长城科工贸有限公司 | High vacuum flange is sealed to be filled up |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2011528093A (en) | Comb double-sided coated gasket for sealing removable flange joints | |
| CN102644738A (en) | Metal winding gasket | |
| CN105612372A (en) | Coatingless cylinder head gasket | |
| CN201475400U (en) | Hard-seal fixed ball valve | |
| CN107143711A (en) | A kind of flange gasket | |
| CN206419593U (en) | Winding-type metallic gasket | |
| CN206111810U (en) | Graphite composite sealing gasket | |
| CN207111930U (en) | A kind of novel metal gasket seal | |
| CN103807440A (en) | Self-tightening type sealing gasket for sealing asymmetric structure | |
| CN207777606U (en) | A kind of metal jacketed gasket | |
| CN201087715Y (en) | Double C shaped metal sealing device | |
| CN205877503U (en) | Novel flange seal packing ring | |
| CN103016732B (en) | H-shaped metal composite gasket | |
| CN206682299U (en) | Be open special-shaped axle envelope | |
| CN209743574U (en) | Wave tooth composite gasket | |
| CN106641269A (en) | Novel structure wrap seal gasket | |
| CN102808951A (en) | Sealing gasket | |
| CN203131018U (en) | Sealing device for automobile | |
| CN202852263U (en) | Alloy O-shaped sealing ring | |
| CN201027974Y (en) | Laminated opening sealing washer | |
| CN105156676B (en) | Multi-stage sealing graphite gasket | |
| JP2010090945A (en) | Cylinder head gasket | |
| CN205533717U (en) | Rust -resistant reinforcing pad piece that loses of fastening bolt | |
| CN206943412U (en) | A kind of sealing plate material with wall structure | |
| CN207364267U (en) | A kind of gasket of wear resistant corrosion resistant |
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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170908 |