CN208204004U - A kind of novel framework rubber sheet gasket and its mounting structure - Google Patents
A kind of novel framework rubber sheet gasket and its mounting structure Download PDFInfo
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- CN208204004U CN208204004U CN201820729013.6U CN201820729013U CN208204004U CN 208204004 U CN208204004 U CN 208204004U CN 201820729013 U CN201820729013 U CN 201820729013U CN 208204004 U CN208204004 U CN 208204004U
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- rubber layer
- positioning ring
- flange
- sealing
- gasket
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Abstract
The utility model proposes a kind of novel framework rubber sheet gasket and its mounting structure, which includes positioning ring, sealing rubber layer and proof rubber layer.The mounting structure of the gasket includes gasket, threaded fastener, first flange and second flange, and gasket includes positioning ring, sealing rubber layer and proof rubber layer.The advantages of the utility model: the pad manufacturing process is simple, and cost is relatively low, has good economic serviceability；The design of sealing rubber layer, good seal performance, elasticity is big, and resilience is good, and compensation rate is larger, can compensate the error of pipeline junction；The design of positioning ring improves the strength and stiffness of the gasket, non-deformability enhancing；Positioning petticoat is bonded with flanged joint threaded fastener inward flange, prevents gasket eccentrically mounted, the phenomenon that misaligning with pipeline center is occurred, is influenced sealing effect；The design of proof rubber layer, is coated on positioning ring outer layer, positioning ring metal is prevented to be corroded, and strength reduction influences positioning and sealing performance.
Description
Technical field
The utility model relates to gasket, a kind of novel framework rubber sheet gasket and its mounting structure are particularly related to.
Background technique
Tunnel expanding economy, tunneling engineering method are also quickly grown, and shield method is promoted in more and more engineerings
Using.Wherein, slurry shield machine due to its control settlement it is accurate, adapt to stratum it is extensive, can excavate more river tunnel over strait, energy safely
Under wear structures, in tunnel, industrial application is more and more.
Slurry shield machine is the debris under being excavated using bearing pipe conveying.Connection between pipeline passes through flange, flange
Between sealing pass through clip-on gasket.Gasket in use, is deformed due to aging, abrasion, by medium squeeze, is influenced close
The effect and service life of envelope.For slurry shield machine, hydraulic fill pipeline leakproofness is most important, once there is seal failure, very
It is possible that pressure is built in influence air cushion storehouse and running phenomena such as emitting leakage occurs in pipeline, or even cause construction risk.
Currently, slurry shield machine circulation system mud channel frequently with gasket be General Purpose Rubber gasket, metal wound gasket
Piece and asbestos washer.These gaskets respectively have advantage and disadvantage in use, and General Purpose Rubber pad sealing performance is good, but in installing and using easily
It is eccentric, easily-deformable by medium squeeze；Spiral wound gaskets, sealing performance are able to satisfy requirement, but during the installation process repeatedly
It squeezes and touches, be easy to scatter, and is more demanding to flange sealing surface quality and the depth of parallelism in installation, in addition, there are one for flange
Gap, there are turbulent flow phenomenons for slurries flowing；Asbestos washer resilience is poor, and being used for a long time influences sealing effect.
These above-mentioned gaskets are badly in need of a kind of new in muddy water circulation system in use, all there is certain risk in the field
Type gasket meets actual demand, reduces risk.
Utility model content
The utility model proposes a kind of novel framework rubber sheet gasket and its mounting structures, solve gasket in the prior art
The problem of cannot being suitable for shield-tunneling construction well.
The technical solution of the utility model is achieved in that a kind of novel framework rubber sheet gasket, including positioning ring and close
Rubber layer is sealed, the outer end of sealing rubber layer and the inner end of positioning ring connect, the outer end of the positioning ring and protection rubber
Glue-line connection, sealing rubber layer are connect with proof rubber layer.
The positioning ring is metal material.
The positioning ring by bonding agent and vulcanization connect with sealing rubber layer, positioning ring by bonding agent and vulcanize and
The connection of proof rubber layer, sealing rubber layer are connect by vulcanization with proof rubber layer.
The positioning ring with a thickness of 1-3mm, proof rubber layer with a thickness of 0.05-0.5mm.
A kind of mounting structure of novel framework rubber sheet gasket, including gasket, threaded fastener, first flange and the second method
Orchid, first flange are connect by threaded fastener with second flange, and gasket is equipped between first flange and second flange, described
For gasket between threaded fastener, gasket includes positioning ring, sealing rubber layer and proof rubber layer, the outer end of sealing rubber layer
The connection of the inner end of portion and positioning ring, the outer end of positioning ring are connect with proof rubber layer, sealing rubber layer and proof rubber layer
Connection, sealing rubber layer cooperate with first flange, second flange respectively, proof rubber layer and threaded fastener fits.
The positioning ring is metal material.
The positioning ring by bonding agent and vulcanization connect with sealing rubber layer, positioning ring by bonding agent and vulcanize and
The connection of proof rubber layer, sealing rubber layer are connect by vulcanization with proof rubber layer.
The positioning ring with a thickness of 1-3mm, proof rubber layer with a thickness of 0.05-0.5mm.
The width of the sealing rubber layer is not less than 2/3rds of flange sealing surface width, and positioning ring is by seal rubber
The width of layer cladding is not less than the one third of flange sealing surface width, the outer diameter of sealing rubber layer and the outer diameter of flange sealing surface
It is equal.
The advantages of the utility model: the pad manufacturing process is simple, and cost is relatively low, has good economic serviceability；It is close
The design of rubber layer is sealed, good seal performance, elasticity is big, and resilience is good, and compensation rate is larger, can compensate the error of pipeline junction；
The design of positioning ring improves the strength and stiffness of the gasket, non-deformability enhancing；Position petticoat and flanged joint spiral shell
The fitting of line fastener inward flange, prevents gasket eccentrically mounted, the phenomenon that misaligning with pipeline center occurs, influences sealing effect；
The design of proof rubber layer, is coated on positioning ring outer layer, positioning ring metal is prevented to be corroded, strength reduction, influences to position and seal
Performance.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model gasket.
Fig. 2 is the structural schematic diagram of the utility model gasket mounting structure.
Fig. 3 is the schematic enlarged-scale view of the utility model gasket mounting structure.
In figure: 1. positioning rings, 2. sealing rubber layers, 3. proof rubber layers, 4. threaded fasteners, 5. first flanges, 6.
Two flanges.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are under that premise of not paying creative labor
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1, a kind of novel framework rubber sheet gasket, including positioning ring 1 and sealing rubber layer 2, sealing rubber layer 2
Outer end is connect with the inner end of positioning ring 1, and the outer end of the positioning ring 1 is connect with proof rubber layer 3, sealing rubber layer
2 connect with proof rubber layer 3.
The positioning ring 1 is metal material.
The positioning ring 1 is connect by bonding agent and vulcanization with sealing rubber layer 2, and positioning ring 1 passes through bonding agent and sulphur
Change is connect with proof rubber layer 3, and sealing rubber layer 2 is connect by vulcanization with proof rubber layer 3.
The positioning ring 1 with a thickness of 1-3mm, proof rubber layer 3 with a thickness of 0.05-0.5mm.
A kind of novel framework rubber sheet gasket, the novel framework rubber sheet gasket include positioning ring, sealing rubber layer and protection rubber
Glue-line；Positioning ring is metal material, and positioning ring carries out blasting treatment before cladding rubber layer, positioning ring with a thickness of 1-
3mm；Sealing rubber layer is combined together by bonding agent and vulcanization with positioning ring；Proof rubber layer by bonding agent and vulcanization with
Positioning ring is combined together, the proof rubber layer with a thickness of 0.05-0.5mm；Sealing rubber layer and the proof rubber layer
It is combined together by vulcanization.
As shown in Figures 2 and 3, a kind of mounting structure of novel framework rubber sheet gasket, including gasket, threaded fastener 4, first
Flange 5 and second flange 6, first flange 5 are connect by threaded fastener 4 with second flange 6, first flange 5 and second flange 6
Between be equipped with gasket, the gasket positioned at threaded fastener 4 between, gasket include positioning ring 1, sealing rubber layer 2 and protect
The outer end of rubber layer 3, sealing rubber layer 2 is connect with the inner end of positioning ring 1, the outer end of positioning ring 1 and proof rubber layer 3
Connection, sealing rubber layer 2 are connect with proof rubber layer 3, and sealing rubber layer 2 cooperates with first flange 5, second flange 6 respectively, are prevented
It protects rubber layer 3 and threaded fastener 4 cooperates.
The positioning ring 1 is metal material.
The positioning ring 1 is connect by bonding agent and vulcanization with sealing rubber layer 2, and positioning ring 1 passes through bonding agent and sulphur
Change is connect with proof rubber layer 3, and sealing rubber layer 2 is connect by vulcanization with proof rubber layer 3.
The positioning ring 1 with a thickness of 1-3mm, proof rubber layer 3 with a thickness of 0.05-0.5mm.
The width of the sealing rubber layer 2 is not less than 2/3rds of flange sealing surface width, and positioning ring 1 is by sealing rubber
The width that glue-line 2 coats is not less than the one third of flange sealing surface width, the outer diameter of sealing rubber layer 2 and flange sealing surface
Outer diameter is equal.
A kind of mounting structure of novel framework rubber sheet gasket, for the sealing between flange, by flange to folder, preload spiral shell
Line fastener, gasket compression reach sealing effect.First flange is connected with second flange by threaded fastener in installation, installation
When threaded fastener one third is first installed between adjacent holes to half；Then, skeleton rubber gasket is put into flange
Between, positioning petticoat is almost bonded with the inward flange of threaded fastener；Due to the presence of positioning ring, gasket central axis is several
It is overlapped with flange center axis；Finally, other threaded fasteners are installed in place, preload.Wherein, the sealing surface of flange
It is the end face that needs that flange is matched with gasket finish, the sealing surface of first flange and second flange cooperates and big
It is small, shape is identical, therefore is referred to as flange sealing surface, wherein sealing rubber layer width is not less than corresponding flange sealing surface width
2/3rds, the width that positioning ring is coated by sealing rubber layer be not less than corresponding flange sealing surface width one third,
The outer diameter of sealing rubber layer is equal with the outer diameter of corresponding flange sealing surface.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (9)
1. a kind of novel framework rubber sheet gasket, including positioning ring (1) and sealing rubber layer (2), the outer end of sealing rubber layer (2)
It is connect with the inner end of positioning ring (1), it is characterised in that: the outer end and proof rubber layer (3) of the positioning ring (1) are even
It connects, sealing rubber layer (2) is connect with proof rubber layer (3).
2. novel framework rubber sheet gasket according to claim 1, it is characterised in that: the positioning ring (1) is metal material
Matter.
3. novel framework rubber sheet gasket according to claim 1, it is characterised in that: the positioning ring (1) passes through bonding
Agent and vulcanization are connect with sealing rubber layer (2), and positioning ring (1) is connect by bonding agent and vulcanization with proof rubber layer (3), are sealed
Rubber layer (2) is connect by vulcanization with proof rubber layer (3).
4. novel framework rubber sheet gasket according to claim 1, it is characterised in that: the positioning ring (1) with a thickness of
1-3mm, proof rubber layer (3) with a thickness of 0.05-0.5mm.
5. a kind of mounting structure of novel framework rubber sheet gasket, including gasket, threaded fastener (4), first flange (5) and second
Flange (6), first flange (5) are connect by threaded fastener (4) with second flange (6), first flange (5) and second flange
(6) between be equipped with gasket, it is characterised in that: the gasket is located between threaded fastener (4), gasket include positioning ring (1),
The outer end of sealing rubber layer (2) and proof rubber layer (3), sealing rubber layer (2) is connect with the inner end of positioning ring (1), fixed
The outer end of position ring (1) is connect with proof rubber layer (3), and sealing rubber layer (2) is connect with proof rubber layer (3), seal rubber
Layer (2) cooperates with first flange (5), second flange (6) respectively, and proof rubber layer (3) and threaded fastener (4) cooperate.
6. the mounting structure of novel framework rubber sheet gasket according to claim 5, it is characterised in that: the positioning ring
It (1) is metal material.
7. the mounting structure of novel framework rubber sheet gasket according to claim 5, it is characterised in that: the positioning ring
(1) it is connect by bonding agent and vulcanization with sealing rubber layer (2), positioning ring (1) passes through bonding agent and vulcanization and proof rubber layer
(3) it connects, sealing rubber layer (2) is connect by vulcanization with proof rubber layer (3).
8. the mounting structure of novel framework rubber sheet gasket according to claim 5, it is characterised in that: the positioning ring
(1) with a thickness of 1-3mm, proof rubber layer (3) with a thickness of 0.05-0.5mm.
9. the mounting structure of novel framework rubber sheet gasket according to claim 5, it is characterised in that: the seal rubber
The width of layer (2) is not less than 2/3rds of flange sealing surface width, the width that positioning ring (1) is coated by sealing rubber layer (2)
Not less than the one third of flange sealing surface width, the outer diameter of sealing rubber layer (2) is equal with the outer diameter of flange sealing surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820729013.6U CN208204004U (en) | 2018-05-16 | 2018-05-16 | A kind of novel framework rubber sheet gasket and its mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820729013.6U CN208204004U (en) | 2018-05-16 | 2018-05-16 | A kind of novel framework rubber sheet gasket and its mounting structure |
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| Publication Number | Publication Date |
|---|---|
| CN208204004U true CN208204004U (en) | 2018-12-07 |
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ID=64517201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820729013.6U Active CN208204004U (en) | 2018-05-16 | 2018-05-16 | A kind of novel framework rubber sheet gasket and its mounting structure |
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| CN (1) | CN208204004U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109986735A (en) * | 2019-04-30 | 2019-07-09 | 石家庄贝克密封科技股份有限公司 | A kind of hydrogen energy source battery heap gasket and its production mould, production technology |
| CN111006016A (en) * | 2019-12-12 | 2020-04-14 | 四川福翔科技有限公司 | Composite sealing ring for large-scale air compressor cylinder cover cooling liquid |
-
2018
- 2018-05-16 CN CN201820729013.6U patent/CN208204004U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109986735A (en) * | 2019-04-30 | 2019-07-09 | 石家庄贝克密封科技股份有限公司 | A kind of hydrogen energy source battery heap gasket and its production mould, production technology |
| CN111006016A (en) * | 2019-12-12 | 2020-04-14 | 四川福翔科技有限公司 | Composite sealing ring for large-scale air compressor cylinder cover cooling liquid |
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