CN205534195U - High pressure vessel's elasticity whole journey is from clearance elimination formula seal structure - Google Patents
High pressure vessel's elasticity whole journey is from clearance elimination formula seal structure Download PDFInfo
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- CN205534195U CN205534195U CN201620270585.3U CN201620270585U CN205534195U CN 205534195 U CN205534195 U CN 205534195U CN 201620270585 U CN201620270585 U CN 201620270585U CN 205534195 U CN205534195 U CN 205534195U
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- packing frame
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Abstract
The utility model relates to a high pressure vessel's seal structure discloses a high pressure vessel's elasticity whole journey is from clearance elimination formula seal structure, include barrel tip (1), elasticity seal carrier (2) and install top cap (3) in barrel tip (1), be provided with on barrel tip (1) wall near top cap (3) inboard first step (4), elastic sealing element (2) arrange on first step (4) and be spacing and radially spacing by barrel tip (1) inner wall by top cap (3) axial, elasticity seal carrier (2) surface of corresponding barrel tip (1) inner wall be equipped with first recess, the surface that corresponds top cap (3) is equipped with the second recess, first recess in be equipped with radial seal circle (5), be equipped with axial seal circle (6) in the second recess. This seal structure can reduce the machining precision and the installation degree of difficulty, deformation that again can rational utilization elasticity seal carrier, and the self sealss under the pressure are realized in the sealed clearance of effectively eliminating the sealing washer.
Description
Technical field
This utility model relates to the high-pressure bottle simulating deep-sea open ocean on land, particularly relates to the close of this kind of high-pressure bottle
Seal structure.
Background technology
The developed countries such as the U.S., Japan, Germany just pay much attention to the exploitation of marine resources mid-term in eighties of last century, and its deep-sea is explored
The advance of technology, the Stability and dependability of deep sea equipment performance surmount the most far away China, and developed country is to this type of technology
The protectiveness of confidentiality and patent is better than far away China, in order to realize China early to seafari, and particularly deep-sea exploration engineering
Autonomy, be necessary for self-sufficient, rely on self strength research and development deep-sea exploration engineering.The equipment that can use on land,
Whether also can use in deep-sea, the safety of its equipment, reliability could put in deep-sea after all must verifying on land
Using, developed country just developed the high tension unit of simulation deep-sea open ocean on land before exploring deep-sea, with
Just the high pressure operating mode in simulation deep-sea, puts into inside high-pressure bottle by equipment to be verified, and equipment the most to be verified is by external pressure effect, mould
Intending acting on of its hydrostatic pressure being subject in deep-sea, high-pressure bottle then bears intrinsic pressure, and the most usually said pressure vessel holds
By intrinsic pressure effect.Typically require the overall dimensions chi often beyond manhole of the equipment carrying out high pressure detection in this type of high-pressure bottle
Very little, it is impossible to directly put into inside container by manhole, it is desirable to have heavy caliber perforate could realize, and high pressure, heavy caliber perforate
Sealing problem is the key technology of whole high-pressure bottle.Realization is sealed and cannot be judged by calculating, it is necessary to by can
The engineering experience and the rigorous sealing principle that lean on judge.
On high-pressure bottle, the seal failure principal element of rubber o-ring is the pass between the pressure within container and seal clearance
System.When container internal pressure is the highest, O wants to realize sealing, and its seal clearance needed is the least, works as seal clearance
After reduction, manufacture, to process installation difficulty the highest, after container diameter increases, wants to realize sealing, and its difficulty is the biggest.
Whether being capable of sealing in pressure vessel is the topmost technical specification of whole turret vessel, and at present at high pressure, all kinds of diameter containers
Great majority use the bolt fastening structure of forced action type to provide initial sealing power for potted component, and cannot realize the merit of fast quick-detach
Energy.
A kind of bracket sealing device for liquid medium major diameter high-pressure bottle of patent No. CN201420304013.3, this patent
There is following drawback: elastic packing frame cannot realize the elastic omnidistance function from elimination gap, in the fabrication stage of elastic packing frame
Just having had decided to its seal clearance to O RunddichtringO, additionally the machining accuracy of this elastic packing frame is high, manufacture difficulty is big,
Elastic packing frame and barrel end and top cover matching requirements relatively tight, whole installation difficulty technology requires higher.
Utility model content
Technical problem to be solved in the utility model is to provide the elastic omnidistance from eliminating slit seal knot of a kind of high-pressure bottle
Structure, can reduce machining accuracy and installation difficulty, again can the deformation of Appropriate application elastic packing frame, effectively eliminate the close of sealing ring
Envelope gap, it is achieved the self sealss under pressure.
This utility model solves the elastic omnidistance close from eliminating clearance-type of the technical scheme is that high-pressure bottle of its technical problem
Seal structure, including barrel end, elastic packing frame and the top cover being arranged on barrel end, described barrel end is inside top cover
Wall on be provided with first step, described elastic sealing element is arranged on first step and by top cover axial limiting and by cylinder
Inner wall of end is the most spacing；The surface of described elastic packing frame correspondence barrel end inwall is provided with the first groove, corresponding top cover
Surface is provided with the second groove；It is provided with radial direction seal ring in the first described groove, in the second groove, is provided with axial sealing ring.
The initial sealing power of described radial direction seal ring by the machining clearance control of elastic packing frame Yu barrel end corresponding position inwall,
And the precommpression of shape sealing ring radially in pairs, the initial sealing power of axial sealing ring certainly reforming by top cover.
Further, the cross section of described elastic packing frame is Γ shape structure, and Γ shape structure refers to the outer face of corresponding top cover and right
Answer the lateral surface wider width of barrel end inwall, and relative inner face and the cross sectional shape of medial surface narrower width, this structure
Relatively it is beneficial to elastic packing frame under the effect of the pressure, close to barrel end inwall and top cover.
Further, the outside of described top cover is provided with shearing ring, and shearing ring is used for compressing top cover.
Further, the inwall of described barrel end is additionally provided with the second step for placing top cover, and the internal diameter of second step is more than
The internal diameter of first step.
Further, described elastic packing frame is provided with domatic, at the non-pressurized of elastic packing frame corresponding to the periphery of the outer face of top cover
Time, described is domatic in the second groove radially outwardly direction, and the gap between top cover is gradually increased.Axially
The gap of place top cover and elastic packing frame is one of passage of dielectric leakage, when internal pressure raises, elastic packing can float or
Move axially, hold out against top cover.It addition, top cover can deform under intrinsic pressure effect, the deflection deformation at its center is maximum, two
The amount of deflection of side gradually tends to diminishing, it is contemplated that the assemblage gap of top cover, and top cover is generally of certain activeness, inside container
When pressure is higher, the amount of deflection of cap edge can affect the seal clearance of axial sealing ring, therefore arranges above-mentioned domatic, can coordinate
The deformation of top cover is to be reduced or eliminated the seal clearance of axial sealing ring, thus ensures its sealing function.Described domatic can be
The arcwall face that gap is the most outwards gradually increased, clinoplain etc., but clinoplain is preferred plan, clinoplain
Domatic optimum angle of incidence just need to can determine that after test for several times according to parameters such as concrete elastic packing frame and barrel end sizes.Radially
The gap of place's barrel end inwall and elastic packing frame is another passage of dielectric leakage, when internal pressure raises, elastic packing
Frame expanded radially, thus reduce the passage of dielectric leakage, therefore radial direction seal ring can be compacted without squeezed food, it is achieved the closeest
Envelope effect.
If the process of container internal pressurization continuous print letter representation, as original state represents with 0, end-state z represents,
The process of pressurization is 0 ..., a, b ..., f, g ..., z (MPa), and pressure is constantly to increase, under each pressure state
Corresponding elastic packing frame is S with the gap of corresponding position wall, and original state So represents, end-state Sz represents,
Gap change procedure So ..., Sa, Sb ..., Sf, Sg ..., Sz (mm), gap is to be gradually reduced.When a MPa pressure,
Corresponding gap is Sa mm, and at corresponding pressure with under corresponding gap, under the influence of not considering other extrinsic factor, sealing ring is at tool
It is to lose efficacy by squeezed food in the case of having enough compress variations.When pressure is by a MPa rising transition to b MPa, gap
The elastic deformation amount being reduced to Sb mm, i.e. elastic packing frame by Sa mm increases, when pressure is raised to b MPa, if elastic close
Envelope frame is also held in Sa mm with the gap of wall, then sealing ring is it would be possible to squeezed food, loses sealing function.But work as pressure
When being raised to b MPa, gap has been reduced to Sb mm, and under gap Sb mm corresponding for pressure b MPa, sealing ring is not
Can be squeezed that to eat deformation, i.e. the anti-food ability of squeezing of sealing ring changes constantly.When corresponding pressure raises, sealing ring will be by
Before squeezing food deformation, reduce the gap of one of sealing ring squeezed food factor, thus arrive new pressure, gap makes sealing ring play
Sealing function, until during critical pressure f MPa, gap Sf mm is zero.Elasticity is the most not up to made in high-pressure bottle internal pressure
During the critical pressure that gap is zero clearance of sealing frame and wall, the relation between the sealability of its sealing ring and pressure, gap
For the relation dynamically associated, sketch and raise into pressure, the process that the process that seal clearance reduces to lose efficacy prior to sealing ring.When interior
After portion's operating pressure exceedes critical pressure, when gap is zero, when sealing ring does not has severe internal defect, self-tightening sealing can be realized,
Above seal process mechanism is referred to as " dynamically " elastic packing mechanism.
The beneficial effects of the utility model are: (1) this sealing deformation utilizing elastic packing frame rational in infrastructure, effectively eliminate close
Envelope gap, it is achieved that the self sealss under omnidistance pressure；(2) this sealing structure can not only realize omnidistance self sealss, moreover it is possible to reduces cylinder
The machining accuracy of body end, it is only necessary to less pretightning force can be achieved with initial sealing, uses this sealing structure without high intensity
Tools for bolts ' pretension, therefore the fast opening and closing function of low labor intensity can be realized, it addition, elastic packing frame is arranged on device interior, install
Convenient and swift, it is not necessary to specific purpose tool；(3) preferably adapt to the high-pressure bottle of all kinds of diameters, solve high pressure major diameter container
Open soon and sealing problem.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is enlarged drawing at the A of Fig. 1；
Being labeled as in figure: 1-barrel end, 2-elastic packing frame, 3-top cover, 4-first step, 5-radial direction seal ring, 6-is the closeest
Seal, 7-shearing ring 8-second step, 9-is domatic, 10-cylinder, S-elastic packing frame and the gap of corresponding position wall.
Detailed description of the invention
Below in conjunction with specific embodiment, this utility model is described in further detail, but embodiment of the present utility model does not limits
In this.
As depicted in figs. 1 and 2, this utility model high-pressure bottle is elastic omnidistance from eliminating slit seal structure, including cylinder
End 1, elastic packing frame 2 and be arranged on the top cover 3 of barrel end 1.
Described barrel end 1 is sealedly connected on the cylinder 10 of high-pressure bottle.Described barrel end 1 is inside top cover 3
Be provided with first step 4 on wall, described elastic sealing element 2 be arranged on first step 4 and by top cover 3 axial limiting and
The most spacing by barrel end 1 inwall.The inwall of described barrel end 1 is additionally provided with the second step 8 for placing top cover 3.
The surface of corresponding barrel end 1 inwall of described elastic packing frame 2 is provided with the first groove, and the surface of corresponding top cover 3 is provided with second
Groove；It is provided with radial direction seal ring 5 in the first described groove, in the second groove, is provided with axial sealing ring 6.
The cross section of described elastic packing frame 2 is Γ shape structure, and elastic packing frame 2 is provided with slope corresponding to the periphery of the outer face of top cover 3
Face 9, domatic 9 is clinoplain, and it is α ° with the angle of top cover 3.It addition, the outside of described top cover 3 be additionally provided with for
Compress top cover 3 shearing ring 7.
Claims (5)
1. high-pressure bottle is elastic omnidistance from eliminating slit seal structure, including barrel end (1), elastic packing frame (2) and the top cover (3) being arranged on barrel end (1), it is characterized in that: described barrel end (1) is provided with first step (4) on the wall of top cover (3) inner side, it is upper and by top cover (3) axial limiting and the most spacing by barrel end (1) inwall that described elastic packing frame (2) is arranged in first step (4)；The surface of corresponding barrel end (1) inwall of described elastic packing frame (2) is provided with the first groove, and the surface of corresponding top cover (3) is provided with the second groove；It is provided with radial direction seal ring (5) in the first described groove, in the second groove, is provided with axial sealing ring (6).
The elastic omnidistance of high-pressure bottle the most according to claim 1 eliminates slit seal structure certainly, it is characterised in that: the cross section of described elastic packing frame (2) is Γ shape structure.
The elastic omnidistance of high-pressure bottle the most according to claim 1 eliminates slit seal structure certainly, it is characterised in that: the outside of described top cover (3) is provided with shearing ring (7).
The elastic omnidistance of high-pressure bottle the most according to claim 1 eliminates slit seal structure certainly, it is characterized in that: the inwall of described barrel end (1) is additionally provided with the second step (8) for placing top cover (3), the internal diameter of second step (8) is more than the internal diameter of first step (4).
5. certainly eliminate slit seal structure according to the elastic omnidistance of the high-pressure bottle described in any one in claim 1-4, it is characterised in that: described elastic packing frame (2) is provided with domatic (9) corresponding to the periphery of the outer face of top cover (3)；When elastic packing frame (2) non-pressurized, described domatic (9) are in the second groove radially outwardly direction, and the gap between top cover (3) is gradually increased.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620270585.3U CN205534195U (en) | 2016-04-01 | 2016-04-01 | High pressure vessel's elasticity whole journey is from clearance elimination formula seal structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620270585.3U CN205534195U (en) | 2016-04-01 | 2016-04-01 | High pressure vessel's elasticity whole journey is from clearance elimination formula seal structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106767114A (en) * | 2016-12-14 | 2017-05-31 | 东方电气集团东方电机有限公司 | A kind of hydrogen seal structure for being applied to steam turbine generator |
| CN108533748A (en) * | 2018-06-11 | 2018-09-14 | 广州发展集团股份有限公司 | Two way seal switching device, method and gas filter |
| CN109185457A (en) * | 2018-11-06 | 2019-01-11 | 珠海凌达压缩机有限公司 | Sealing device assembly and compressor comprising same |
| CN114104227A (en) * | 2021-10-27 | 2022-03-01 | 浙江东溟科技有限公司 | Underwater sealed cabin |
-
2016
- 2016-04-01 CN CN201620270585.3U patent/CN205534195U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106767114A (en) * | 2016-12-14 | 2017-05-31 | 东方电气集团东方电机有限公司 | A kind of hydrogen seal structure for being applied to steam turbine generator |
| CN108533748A (en) * | 2018-06-11 | 2018-09-14 | 广州发展集团股份有限公司 | Two way seal switching device, method and gas filter |
| CN108533748B (en) * | 2018-06-11 | 2024-02-27 | 广州发展集团股份有限公司 | Bidirectional sealing switch device and method and gas filter |
| CN109185457A (en) * | 2018-11-06 | 2019-01-11 | 珠海凌达压缩机有限公司 | Sealing device assembly and compressor comprising same |
| CN109185457B (en) * | 2018-11-06 | 2024-07-09 | 珠海凌达压缩机有限公司 | Sealing device assembly and compressor comprising same |
| CN114104227A (en) * | 2021-10-27 | 2022-03-01 | 浙江东溟科技有限公司 | Underwater sealed cabin |
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