CN201196050Y - High-pressure two-stage polished rod sealer - Google Patents
High-pressure two-stage polished rod sealer Download PDFInfo
- Publication number
- CN201196050Y CN201196050Y CNU2008200189282U CN200820018928U CN201196050Y CN 201196050 Y CN201196050 Y CN 201196050Y CN U2008200189282 U CNU2008200189282 U CN U2008200189282U CN 200820018928 U CN200820018928 U CN 200820018928U CN 201196050 Y CN201196050 Y CN 201196050Y
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- CN
- China
- Prior art keywords
- seal
- packing
- polished rod
- stage
- sealer
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- 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 relates to a high-pressure and two-stage polished rod sealer, which belongs to the technical field of the structure of the high-pressure and two-stage polished rod sealer. The sealer is characterized by comprising a connector 13 connected with a wellhead, a sealing body 5 provided with a secondary packing 11, a sealing body 3 provided with a primary packing 2, and an adjusting nut 8 on the upper portion, which are orderly sleeved on the polished rod from the bottom to the top, wherein the a steel ball 16 for adjusting the eccentricity and an O-shaped ring 12 for sealing are arranged on the connection between the connector 13 and the sealing body 5, a sealing cover 10 is arranged on the upper portion of the secondary packing 11, an O-shaped ring 4 for sealing is arranged on the periphery of the sealing body 5, a guide ring 9 is arranged on the lower portion of the primary packing 2, a spring seat 7 is arranged on the upper portion of the primary packing 2, a spring 1 is installed on the spring seat, and the spring 1 props up the inner wall of the adjusting nut. The sealer has a two-stage sealing device, decompression is not needed to be unloaded when replacing a worn packing, the operation is simple and convenient, the labor intensity is reduced, and simultaneously, the working efficiency is improved, the waste of base oil is saved and the environmental pollution is reduced.
Description
One, technical field
The utility model relates to a kind of used for oil-field oil pumper high pressure twin-stage polished rod sealer, belongs to high pressure polished rod sealer technical field of structures.
Two, background technology
At present, there are many problems in the used polished rod sealer of pumpingh well in the oil extraction process: packing can lose original sealing function because of producing senile abrasion after use after a while, need to change packing this moment, need carry out emptying in the packing replacing process, require very high to labor intensity of operating personnel, and the operating time very long can influence production efficiency, the interior crude oil of well can spray well head and causes waste when changing packing, simultaneously environment is polluted.
Three, summary of the invention
The purpose of this utility model is to solve the weak point that above-mentioned prior art exists, a kind of high pressure twin-stage polished rod sealer that need not the emptying pressure release when changing packing is provided, this high pressure twin-stage polished rod sealer is easy and simple to handle, reduce labour intensity and improved operating efficiency simultaneously, reduced pollution when saving cost environment.
High pressure twin-stage polished rod sealer of the present utility model, special character is to comprise the connector that links to each other with well head 13 that is socketed in successively from the bottom up on the polished rod, the seal 5 of secondary packing 11 is housed, the seal 3 of one-level packing 2 and the adjusting nut 8 on top are housed, the junction is provided with and is used to regulate the steel ball 6 of eccentric throw and the O type circle 12 of sealing usefulness between connector 13 and the seal 5, the top of the secondary packing 11 in the seal 5 is provided with seal cover 10, the periphery of seal 5 is provided with the O type circle 4 of sealing usefulness, one-level packing 2 bottoms in the seal 3 are provided with guide ring 9, one-level packing 2 tops are provided with spring base 7, spring 1 is housed on the spring base 7, and spring 1 peaks at adjusting nut 8 inwalls;
Be between between described adjusting nut 8 and the seal 3, between seal 3 and the seal 5 and be threaded;
Described seal 3, seal 5 inside are cone-shaped cavity, and one-level packing 2 and secondary packing 11 are the bottle stopper formula, and its outer wall contacts with the cone-shaped cavity inwall of seal 3, seal 5 is movable respectively, realizes being sealed and matched, and its inwall is socketed on the polished rod respectively.
The utility model high pressure twin-stage polished rod sealer has two stage sealing device, does not need the emptying pressure release when changing the packing that weares and teares, and is easy and simple to handle, improved operating efficiency when reducing labour intensity, saved the waste of crude oil, reduced the pollution to environment.
Four, description of drawings
Fig. 1: the utility model high pressure twin-stage polished rod sealer structural representation;
Connector in the drawings, 1, spring, 2, the one-level packing, 3, seal, 4, O type circle, 5, seal, 6, steel ball, 7, spring base, 8, adjusting nut, 9, guide ring, 10, seal cover, 11, the secondary packing, 12, O type circle, 13.
Five, the specific embodiment
Following with reference to accompanying drawing, provide the specific embodiment of the present utility model, be used for formation of the present utility model is further specified.
Embodiment
The high pressure twin-stage polished rod sealer of present embodiment is with reference to figure 1, comprise the connector that links to each other with well head 13 that is socketed in successively from the bottom up on the polished rod, the seal 5 of secondary packing 11 is housed, the seal 3 of one-level packing 2 and the adjusting nut 8 on top are housed, the junction is provided with and is used to regulate the steel ball 6 of eccentric throw and the O type circle 12 of sealing usefulness between connector 13 and the seal 5, the top of the secondary packing 11 in the seal 5 is provided with seal cover 10, the periphery of seal 5 is provided with the O type circle 4 of sealing usefulness, one-level packing 2 bottoms in the seal 3 are provided with guide ring 9, one-level packing 2 tops are provided with spring base 7, spring 1 is housed on the spring base 7, spring 1 peaks at adjusting nut 8 inwalls, between adjusting nut 8 and the seal 3, be between seal 3 and the seal 5 and be threaded, seal 3, seal 5 inside are cone-shaped cavity, one-level packing 2 and secondary packing 11 are the bottle stopper formula, its outer wall respectively with seal 3, the movable contact of the cone-shaped cavity inwall of seal 5, realization is sealed and matched, and its inwall is socketed on the polished rod respectively.
Press built-up sequence during installation, be mounted on successively on the polished rod of oil well, respectively at O type circle 12,4 and the slipper seal cavity in smeared butter, aligned position, twist the seal 5 of adorning secondary packing 11, and the secondary packing 11 of packing into and having smeared butter, coat butter in the seal chamber with seal 3 again, the one-level of packing into packing 2, the adjusting nut and secure it to correct position screwed on then, with air tight be good, can start oil pumper this moment and check to install and have or not gas leakage, secondary packing 11 is in free state in the use, and when finding one-level packing 2 wearing and tearing seepages, but fastening adjustment nut 8 is to correct position, when 2 wearing and tearing of one-level packing can't be used, stop oil pumper, then the seal cover 10 of secondary packing 11 is tightened, unclamp one-level packing adjusting nut 8 and take out old packing, the new packing of packing into is tightened one-level packing adjusting nut 8 again, the seal cover that unclamps the secondary packing this moment makes the secondary packing be in free state to the position that is fit to, and restarts oil pumper at last and works on.
The high pressure twin-stage polished rod sealer of present embodiment, has two stage sealing device, sealing load is up to more than the 16MPa, the oil well large-minded to the oil-gas ratio degree, that back pressure is higher, the packing of changing wearing and tearing does not need the emptying pressure release, easy and simple to handle, packing of replacing is about about 5 minutes under the normal condition, improves work efficiency more than 30 times.
Claims (3)
1. high pressure twin-stage polished rod sealer, it is characterized in that comprising the connector that links to each other with well head (13) that is socketed in successively from the bottom up on the polished rod, the seal (5) of secondary packing (11) is housed, the seal (3) of one-level packing (2) and the adjusting nut (8) on top are housed, junction between connector (13) and the seal (5) is provided with steel ball (6) that is used to regulate eccentric throw and the O type circle (12) that seals usefulness, the top of the secondary packing (11) in the seal (5) is provided with seal cover (10), the periphery of seal (5) is provided with the O type circle (4) of sealing usefulness, one-level packing (2) bottom in the seal (3) is provided with guide ring (9), one-level packing (2) top is provided with spring base (7), spring (1) is housed on the spring base (7), and spring (1) peaks at adjusting nut (8) inwall.
2. according to the described high pressure twin-stage of claim 1 polished rod sealer, it is characterized in that between described adjusting nut (8) and the seal (3), be between seal (3) and the seal (5) and be threaded.
3. according to the described high pressure twin-stage of claim 1 polished rod sealer, it is characterized in that described seal (3), seal (5) inside are made as cone-shaped cavity, one-level packing (2) and secondary packing (11) are the bottle stopper formula, its outer wall contacts with the cone-shaped cavity inwall of seal (3), seal (5) is movable respectively, and its inwall is socketed on the polished rod respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200189282U CN201196050Y (en) | 2008-03-13 | 2008-03-13 | High-pressure two-stage polished rod sealer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200189282U CN201196050Y (en) | 2008-03-13 | 2008-03-13 | High-pressure two-stage polished rod sealer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201196050Y true CN201196050Y (en) | 2009-02-18 |
Family
ID=40415686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200189282U Expired - Fee Related CN201196050Y (en) | 2008-03-13 | 2008-03-13 | High-pressure two-stage polished rod sealer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201196050Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090521A (en) * | 2011-09-21 | 2015-11-25 | 中国石油化工股份有限公司 | Sealing device for rod piece |
| CN106246129A (en) * | 2016-08-29 | 2016-12-21 | 荆州市高鑫石油阀件有限公司 | Multifunctional polish rod sealing device |
| CN106437596A (en) * | 2016-08-29 | 2017-02-22 | 荆州市高鑫石油阀件有限公司 | Oil pumping unit wellhead polished rod sealer |
-
2008
- 2008-03-13 CN CNU2008200189282U patent/CN201196050Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090521A (en) * | 2011-09-21 | 2015-11-25 | 中国石油化工股份有限公司 | Sealing device for rod piece |
| CN105090521B (en) * | 2011-09-21 | 2017-04-26 | 中国石油化工股份有限公司 | Sealing device for rod piece |
| CN106246129A (en) * | 2016-08-29 | 2016-12-21 | 荆州市高鑫石油阀件有限公司 | Multifunctional polish rod sealing device |
| CN106437596A (en) * | 2016-08-29 | 2017-02-22 | 荆州市高鑫石油阀件有限公司 | Oil pumping unit wellhead polished rod sealer |
| CN106246129B (en) * | 2016-08-29 | 2018-07-31 | 荆州市高鑫石油阀件有限公司 | Multifunctional polish rod sealing device |
| CN106437596B (en) * | 2016-08-29 | 2018-08-17 | 荆州市高鑫石油阀件有限公司 | Well-head optical-lever sealer of pumping unit |
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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: 20090218 Termination date: 20100313 |