CN201666137U - Novel flange connection sealing device - Google Patents
Novel flange connection sealing device Download PDFInfo
- Publication number
- CN201666137U CN201666137U CN2009202724248U CN200920272424U CN201666137U CN 201666137 U CN201666137 U CN 201666137U CN 2009202724248 U CN2009202724248 U CN 2009202724248U CN 200920272424 U CN200920272424 U CN 200920272424U CN 201666137 U CN201666137 U CN 201666137U
- Authority
- CN
- China
- Prior art keywords
- flange
- sealing device
- boss
- step hole
- connection sealing
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Gasket Seals (AREA)
Abstract
The utility model relates to a novel flange connection sealing device, which has the main principle that a step hole is turned in the inner bore of one of two adjacent flanges, a boss closely fitting with the step hole of the flange is turned on the other flange, and the boss is arranged in the step hole. Due to the fact that the additional structure has the guide function, the leakage problem caused by the reason that a backing ring is improperly assembled is solved, and moreover, seal carried out simply by the backing ring in the past is changed into double seal through additionally installing the structure, and thereby, the problem of wellhead seal is fundamentally solved.
Description
Affiliated technical field
The utility model relates to a kind of high pressure flange sealing device of petroleum gas industrial
Background technology
At present, the flange sealer that uses in industrial gas oil compresses gasket ring by tighting a bolt and plays sealing function.Owing to gasket ring and may there be defective in connecting bolt in process or in assembling process the positive bolt of gasket ring reason such as do not tighten and cause the poorly sealed well head that causes of gasket ring to leak.
Summary of the invention
Task to be solved in the utility model is to overcome the defective that relies on single gasket ring sealing in the prior art, effectively solves the flange seal unstable properties, and the problem of leaking easily takes place.
For finishing above-mentioned task, cardinal principle of the present utility model is endoporus car one stepped hole of a flange in adjacent two flanges, and another flange car and this flange stepped hole be the boss of close-fitting mutually, and this boss is packed in the stepped hole.Because this structure of installing additional has guide effect to solve the leakage problem that is not just causing because of the gasket ring assembling, and correct one's mistakes and rely on gasket ring to be sealed into double seal merely, fundamentally solve the problem of well head sealing by increasing this structure.
The beneficial effects of the utility model are to have increased sealing part, have improved the sealing performance of flange.
Description of drawings
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Fig. 1 is a front view.
Fig. 2 is the A-A sectional view of Fig. 1.
1. nuts among Fig. 2.2. stud.3. gasket ring.4. left flange.5. right flange.6. liftout bolt.
The specific embodiment
At left flange (4) boss of getting on the bus, at the endoporus place of right flange (5) car diameter stepped hole together, boss to be packed in this stepped hole, fastening nut (1) compresses gasket ring (3) by stud (2), takes two flanges apart by liftout bolt (7).Specific embodiment: the flange that the flange of the valve of the pressure rank 70MPa latus rectum 65mm of former installation is made into pressure rank 70MPa latus rectum 78mm, it at flange aperture place car one diameter 78 stepped hole, it at another flange car one diameter 78 boss, interference fit by both has improved sealing performance, guarantees the safety of well head by improving valve flanges rank (having strengthened the diameter of bolt and gasket ring) and the new sealing device of increase under identical pressure.
Claims (1)
1. a novel flange connects sealing device, it is characterized in that: endoporus car one stepped hole of a flange in adjacent two flanges, another flange car and this flange stepped hole be the boss of close-fitting mutually, and this boss is packed in the stepped hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202724248U CN201666137U (en) | 2009-11-17 | 2009-11-17 | Novel flange connection sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202724248U CN201666137U (en) | 2009-11-17 | 2009-11-17 | Novel flange connection sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201666137U true CN201666137U (en) | 2010-12-08 |
Family
ID=43267096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202724248U Expired - Fee Related CN201666137U (en) | 2009-11-17 | 2009-11-17 | Novel flange connection sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201666137U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969237A (en) * | 2017-03-24 | 2017-07-21 | 中国北方发动机研究所(天津) | A kind of new construction bell housing |
| RU2655260C1 (en) * | 2017-05-04 | 2018-05-24 | Общество с ограниченной ответственностью "Научно-производственное предприятие "СибБурМаш" | Flange connection of wellhead equipment |
| RU2753224C1 (en) * | 2021-02-20 | 2021-08-12 | Публичное акционерное общество «Татнефть» имени В.Д. Шашина | Flange connection of wellhead equipment (options) |
| RU2760446C1 (en) * | 2021-05-18 | 2021-11-25 | Публичное акционерное общество «Татнефть» имени В.Д. Шашина | Method for fastening a flange connection with studs with segment elements and a device for its implementation |
-
2009
- 2009-11-17 CN CN2009202724248U patent/CN201666137U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969237A (en) * | 2017-03-24 | 2017-07-21 | 中国北方发动机研究所(天津) | A kind of new construction bell housing |
| RU2655260C1 (en) * | 2017-05-04 | 2018-05-24 | Общество с ограниченной ответственностью "Научно-производственное предприятие "СибБурМаш" | Flange connection of wellhead equipment |
| RU2753224C1 (en) * | 2021-02-20 | 2021-08-12 | Публичное акционерное общество «Татнефть» имени В.Д. Шашина | Flange connection of wellhead equipment (options) |
| RU2760446C1 (en) * | 2021-05-18 | 2021-11-25 | Публичное акционерное общество «Татнефть» имени В.Д. Шашина | Method for fastening a flange connection with studs with segment elements and a device for its implementation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102853190B (en) | Fast joint | |
| CN104160197B (en) | Flanged joint linkage structure | |
| CN202561304U (en) | Self-sealing pipe connector | |
| CN201666137U (en) | Novel flange connection sealing device | |
| BR112013017608A2 (en) | fuel injection valve with optimized high pressure connection | |
| CN105135105A (en) | Twisted type novel flange | |
| CN201884234U (en) | Pump head of diaphragm type metering pump | |
| CN201687427U (en) | Dual-seal device with spacer and sealing cover for flange connection | |
| CN203176575U (en) | Flaring type transit joint | |
| CN204140974U (en) | A kind of screw down nonreturn valve | |
| CN202756804U (en) | Rapid connecting plug | |
| CN205479352U (en) | A oil blanket for rotary shaft seal | |
| CN204647536U (en) | A kind of cock-type cut-off spool | |
| CN201902743U (en) | Joint connecting device | |
| CN203757161U (en) | Packing box and valve connecting and sealing structure | |
| CN201982690U (en) | Dimethyl ether self-sealing cylinder valve | |
| CN204573095U (en) | Auto-compensating double-sealing Stuffing box | |
| CN201496557U (en) | Ocv oil seal | |
| CN204355030U (en) | A kind of vacuum booster airtight construction | |
| CN202001696U (en) | Complete welding ball valve with wedge-type multi-seal welding valve neck | |
| CN104500908B (en) | A kind of multi-clove type sealing clamp | |
| CN203927232U (en) | A kind of plug and water heating pipe fittings | |
| CN204213439U (en) | A kind of Novel valve inside | |
| CN203560546U (en) | Novel static sealing structure | |
| CN202100707U (en) | Rubber gasket |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101208 Termination date: 20111117 |