CN2171005Y - Well head sealing device - Google Patents
Well head sealing device Download PDFInfo
- Publication number
- CN2171005Y CN2171005Y CN 92205030 CN92205030U CN2171005Y CN 2171005 Y CN2171005 Y CN 2171005Y CN 92205030 CN92205030 CN 92205030 CN 92205030 U CN92205030 U CN 92205030U CN 2171005 Y CN2171005 Y CN 2171005Y
- Authority
- CN
- China
- Prior art keywords
- filler
- sealing
- self
- unformed
- utility
- 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
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Abstract
The utility model provides a well head sealing device with self-sealing and non-shaping filler, which is a device used for sealing well heads of oil extraction machines for extracting petroleum in petroleum industry. The utility model can also be popularized and be used on sealing a shaft end on a common machine pump. With the unique geometric form of the chamber of a filler box, the utility model can cause non-shaping filler to self compress with the self pressure of an oil and gas well, and therefore, self sealing can be formed. Owing to the non-shaping filler can be filled without stopping the machine, so the machine stopping time can be reduced, and the utility model can be used for the motion sealing of irregular-shaped shaft rods.
Description
The utility model " self sealss, unformed filler well mouth sealing device " is the rod-pumped well well mouth sealing device that is applied in recover petroleum on the petroleum industry.Also can apply on the shaft end seal of common pump.
The well mouth sealing device of rod-pumped well be related to that oil pumper normally moves, safety in production, environmental protection prevent to pollute, the important device of oil gas loss.At present, the well mouth sealing device of domestic and international application all can not seal voluntarily, needs to shut down to dose or change filler, and its filler all is designed to certain geometrical shape.After the filler wearing and tearing, as not causing oil and gas leakage in time to compress or to shut down the replacing filler, directly the danger side of body is kept the safety in production, and can cause environment pollution.
" well mouth sealing device of self sealss, unformed filler " of the utility model design is the geometry of utilizing its structure uniqueness, inserts unformed filler, compresses filler with oil gas well self pressure and realizes self sealss.Pressure is big more then to be compressed well more, and it is good more to seal.The unformed filler that this patent is used is to transfer the strong filler of loosing of sealant is arranged.After wearing and tearing, can compress certainly and fill up the wearing and tearing space.Can be applied in the movable sealing of irregularly shaped axle, bar.After the filler attrition arrived to a certain degree, the available dedicated charging point injected airtight and watertight padding under non-stop-machine situation.
Sealing device structure of the present utility model is characterised in that: as shown in drawings, be connected on the well head with screwing pipe (1), adapter (1) upper flange is pushed down eccentric centering flange (3) with bolt (4) with lap joint flange (2) and is connected.Eccentric flange (3) connects with following filler box body (5), be filled with V-type filler (6) in the stuffing box down, the V-type filler compresses with pressure ring (7), there is external screw thread following stuffing box upper end and has last stuffing box (8) lower thread of removing handle and connect, snap ring is pushed down pressure ring (7) in the last stuffing box, and snap ring compressing pressure ring (7) compresses filler (6) distending to bottom offset and forms the compressing sealing when downward precession.In last stuffing box (8) upper end male thread and pressure cap (9) thread connection are arranged, filler filler pipe (10) is housed on pressure cap, have filling to cut down (11) on the filler pipe and go up filling unformed filler (12) in the stuffing box.,, last stuffing box inner chamber seals when being screwed down when well head pressure or with pressure cap (9) because for the garden is tapered, making unformed filler compress realization.
Embodiment: sealing device is enclosed within on the sucker rod, is connected on the well head with taking over (1).Make sucker rod prevent eccentric wear by the adjustment of centering eccentric flange in the center of sealing device.Take off stuffing box and pack filler (6) into, and tighten sealing nut (13) again by installing.Open filler fill valve (11), upwards add unformed filler (12) in the stuffing box (8), fill up, close fill valve (11) and use pressure cap (9) to compress again slightly downwards by filler pipe (10), and back of the body tightening seal nut (13), just can start use.
Claims (3)
1, is used for the self sealss of sealing of producing well well head and pump shaft end seal, unformed stuffing seal is characterized in that: the stuffing box inner chamber is smooth inverted conical, fills unformed filler in the chamber, can compress filler voluntarily with (pump) in the well self pressure, play sealing function.
2, according to the said self sealss of claim 1, unformed stuffing seal is characterized in that particle and sealant that unformed filler is made by elastic abrasion-proof material form.
3, according to claim 1 said self sealss, unformed stuffing seal is characterized in that stuffing box is provided with the filler of not shutting down the adding filler and adds pipe and valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92205030 CN2171005Y (en) | 1992-03-25 | 1992-03-25 | Well head sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92205030 CN2171005Y (en) | 1992-03-25 | 1992-03-25 | Well head sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2171005Y true CN2171005Y (en) | 1994-07-06 |
Family
ID=33761708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92205030 Expired - Fee Related CN2171005Y (en) | 1992-03-25 | 1992-03-25 | Well head sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2171005Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305043A (en) * | 2011-08-23 | 2012-01-04 | 哈尔滨中融信科技开发有限公司 | Novel polish rod sealer |
| CN104695891A (en) * | 2015-03-04 | 2015-06-10 | 江炎芬 | Concentricity-adjustable variable-diameter sealer |
| CN114165183A (en) * | 2021-11-30 | 2022-03-11 | 于海颜 | Pumping well polish rod sealing assembly |
-
1992
- 1992-03-25 CN CN 92205030 patent/CN2171005Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305043A (en) * | 2011-08-23 | 2012-01-04 | 哈尔滨中融信科技开发有限公司 | Novel polish rod sealer |
| CN104695891A (en) * | 2015-03-04 | 2015-06-10 | 江炎芬 | Concentricity-adjustable variable-diameter sealer |
| CN114165183A (en) * | 2021-11-30 | 2022-03-11 | 于海颜 | Pumping well polish rod sealing assembly |
| CN114165183B (en) * | 2021-11-30 | 2024-02-13 | 于海颜 | Polished rod sealing assembly of pumping well |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |