CN205297441U - Screw seal device for oil pumping unit - Google Patents
Screw seal device for oil pumping unit Download PDFInfo
- Publication number
- CN205297441U CN205297441U CN201620087657.0U CN201620087657U CN205297441U CN 205297441 U CN205297441 U CN 205297441U CN 201620087657 U CN201620087657 U CN 201620087657U CN 205297441 U CN205297441 U CN 205297441U
- Authority
- CN
- China
- Prior art keywords
- oil
- packing
- box
- guiding box
- oil guiding
- 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.)
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Links
- 238000005086 pumping Methods 0.000 title abstract description 7
- 238000012856 packing Methods 0.000 claims abstract description 47
- 125000006850 spacer group Chemical group 0.000 claims abstract description 9
- 210000004907 gland Anatomy 0.000 claims abstract description 4
- 239000003305 oil spill Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 239000003129 oil well Substances 0.000 abstract description 3
- 210000001138 tear Anatomy 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 42
- 239000010779 crude oil Substances 0.000 description 8
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
- 235000011613 Pinus brutia Nutrition 0.000 description 2
- 241000018646 Pinus brutia Species 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
Landscapes
- Sealing Devices (AREA)
Abstract
The utility model belongs to the oil well wellhead sealing device field especially relates to a screw seal device for oil pumping unit, including packing box and packing, still include and lead the oil box, the packing box mainly constitute by barrel and upper cover, the two is through threaded connection, the packing setting in the packing box, the packing has two at least, is provided with the spacer ring between two adjacent packings, the oil box of leading pass through threaded connection in the inboard of upper cover, be provided with the clamp plate between leading the thread end of oil box and being located the packing of the top, the side of leading the oil box is provided with leads oil and connects, leads the inboard upper portion of oil box and is provided with the oil baffle that is used for preventing the oil that spills and splashes, the oil baffle is fixed in leading the oil box through the gland. Use the utility model discloses, when the packing weares and teares to the certain degree, the oil box is led through the rotation and the packing can be further compressed, make the packing gather together with compensation wearing and tearing volume to the polished rod, and then improve the life of packing, sealed effect has further been guaranteed in the setting of conical surface structure.
Description
Technical field
The utility model belongs to well mouth of oil well tightness system field, particularly relates to a kind of oil-extractor polish-rod tightness system.
Background technology
Oil pumper is oil production equipment the most common in field produces, when adopting pumping production, in order to prevent crude oil from leaking from oil pumping polish rod, it is necessary to install polish rod seal device in the outside of well head oil pumping polish rod. So-called oil pumping polish rod is that a upper end connects oil pumper, the straight bar that the end surface of lower end connecting with pumping rod is smooth. During work, polished rod ceaselessly does and up and down reciprocatingly moves, to drive the oil well pump action of the lower end of sucker rod. Existing polish rod seal device kind is more, but all there is certain defect, if any poor sealing, it may also be useful to the life-span is short, has both caused crude oil to lose, and causes again environmental pollution. In order to avoid well head leakage of oil, it is necessary to often to often changing the packing (sealing member) in tight head, labor strength, just and require that polished rod is out of service and can install sealing member additional, the time installing sealing member additional is long, and operation is many.
Summary of the invention
The utility model provides a kind of oil-extractor polish-rod tightness system, to solve in above-mentioned background technology the problem proposed.
The technical problem that the utility model solves realizes by the following technical solutions: the utility model provides a kind of oil-extractor polish-rod tightness system, comprise tight head and packing, also comprise oil guiding box, described tight head forms primarily of cylinder and upper cover, the two is threaded connection, described packing is arranged in tight head, packing has at least two, it is provided with spacer ring between two adjacent packings, described oil guiding box is threaded connection the inner side at upper cover, the thread end of oil guiding box and be provided with pressing plate between the packing of the top, the side of oil guiding box is provided with Oil Guide joint, top inside oil guiding box is provided with the oil weir for preventing oil spill from splashing, oil weir is fixed in oil guiding box by gland.
The outside at the two ends of described packing is cone structure, the both sides of described spacer ring and the groove that the side of pressing plate is provided with described cone structure coordinates.The set nut being also provided with the thread fit for locking dead upper cover and oil guiding box on the external thread section of described oil guiding box, set nut is arranged on oil guiding box by screw thread. The lower end of described cylinder is provided with the ring flange for this device is arranged on well head.
The beneficial effects of the utility model are:
1, use the utility model, when packing may wear to a certain degree, packing can be compressed further by rotating oil guiding box, packing be gathered with compensate for wear amount to polished rod, and then improves the work-ing life of packing; The setting of the cone structure on packing, spacer ring and pressing plate so that sealing material can be gathered to polished rod more effectively, further ensures sealing effect; Split type packing so that during compression, each section of deformation quantity is even, further ensures stopping property.
2, the setting of oil guiding box, it is possible to when packing lost efficacy, the crude oil of leakage is guided in container, avoids crude oil pollution well site, alleviate the labour intensity of workman.
3, the setting of set nut, makes the connection between upper cover and oil guiding box more reliable, can not take off by pine.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure, 1-ring flange, 2-cylinder, 3-spacer ring, 4-packing, 5-polished rod, 6-pressing plate, 7-upper cover, 8-set nut, 9-oil guiding box, 10-oil weir, 11-gland, 12-Oil Guide joint.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
The present embodiment comprises tight head and packing 4, also comprises oil guiding box 9, and described tight head forms primarily of cylinder 2 and upper cover 7, and the two is threaded connection, and described packing 4 is arranged in tight head; Packing 4 has at least two, is provided with spacer ring 3 between two adjacent packings 4, and described oil guiding box 9 is threaded connection in the inner side of upper cover 7; The thread end of oil guiding box 9 and be provided with pressing plate 6, the setting of pressing plate 6 between the packing 4 of the top, ensure that the surrounding of the packing power that is squeezed is even; The side of oil guiding box 9 is provided with Oil Guide joint 12, top inside oil guiding box 9 is provided with the oil weir 10 for preventing oil spill from splashing, oil weir 10 is fixed in oil guiding box 9 by gland 11, owing to crude oil does not have pressure after leaking, the oil weir 10 therefore without sealing effect is enough to prevent crude oil from flowing out from top, thus makes it flow out from Oil Guide joint 12.
The outside at the two ends of described packing 4 is cone structure, the both sides of described spacer ring 3 and the groove that side is provided with described cone structure coordinates of pressing plate 6.
The set nut 8 being also provided with the thread fit for locking dead upper cover 7 and oil guiding box 9 on the external thread section of described oil guiding box 9, set nut 8 is arranged on oil guiding box 9 by screw thread. The setting of set nut 8, makes the connection between upper cover 7 and oil guiding box 9 more reliable, can not take off by pine. The lower end of described cylinder 2 is provided with the ring flange 1 for this device is arranged on well head.
Use the utility model, when packing 4 may wear to a certain degree, packing 4 can be compressed further by rotating oil guiding box 9, packing 4 be gathered with compensate for wear amount to polished rod 5, and then improves the work-ing life of packing 4; The setting of the cone structure on packing 4, spacer ring 3 and pressing plate 6 so that sealing material can be gathered to polished rod 5 more effectively, further ensures sealing effect; Split type packing 4 so that during compression, each section of deformation quantity is even, further ensures stopping property.The setting of oil guiding box 9, it is possible to when packing 4 lost efficacy, the crude oil of leakage is guided in container, avoids crude oil pollution well site, alleviate the labour intensity of workman.
Claims (4)
1. an oil-extractor polish-rod tightness system, comprise tight head and packing (4), it is characterized in that: also comprise oil guiding box (9), described tight head forms primarily of cylinder (2) and upper cover (7), the two is threaded connection, described packing (4) is arranged in tight head, packing (4) has at least two, it is provided with spacer ring (3) between two adjacent packings (4), described oil guiding box (9) is threaded connection the inner side in upper cover (7), it is provided with pressing plate (6) between the thread end of oil guiding box (9) and the packing (4) being positioned at the top, the side of oil guiding box (9) is provided with Oil Guide joint (12), the top of oil guiding box (9) inner side is provided with the oil weir for preventing oil spill from splashing (10), oil weir (10) is fixed in oil guiding box (9) by gland (11).
2. a kind of oil-extractor polish-rod tightness system according to claim 1, it is characterized in that: the outside at the two ends of described packing (4) is cone structure, the both sides of described spacer ring (3) and the groove that side is provided with described cone structure coordinates of pressing plate (6).
3. a kind of oil-extractor polish-rod tightness system according to claim 1, it is characterised in that: the set nut (8) being also provided with the thread fit for locking dead upper cover (7) and oil guiding box (9) on the external thread section of described oil guiding box (9).
4. a kind of oil-extractor polish-rod tightness system according to claim 1, it is characterised in that: the lower end of described cylinder (2) is provided with the ring flange (1) for this device is arranged on well head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620087657.0U CN205297441U (en) | 2016-01-28 | 2016-01-28 | Screw seal device for oil pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620087657.0U CN205297441U (en) | 2016-01-28 | 2016-01-28 | Screw seal device for oil pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205297441U true CN205297441U (en) | 2016-06-08 |
Family
ID=56427492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620087657.0U Active CN205297441U (en) | 2016-01-28 | 2016-01-28 | Screw seal device for oil pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205297441U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108222878A (en) * | 2016-12-21 | 2018-06-29 | 中国石油天然气股份有限公司 | Anti-puncture pollution device and packing box device |
-
2016
- 2016-01-28 CN CN201620087657.0U patent/CN205297441U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108222878A (en) * | 2016-12-21 | 2018-06-29 | 中国石油天然气股份有限公司 | Anti-puncture pollution device and packing box device |
| CN108222878B (en) * | 2016-12-21 | 2024-03-01 | 中国石油天然气股份有限公司 | Puncture-leakage-preventing pollution device and packing box device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170602 Address after: 163000 Guangming Industrial Zone, Longfeng District, Heilongjiang, Daqing Patentee after: Daqing riside Petroleum Machinery Manufacturing Co. Ltd. Address before: Heilongjiang Province, Daqing City Ranghulu District 163000 east wind 2-3 No. 4 Room 102 Patentee before: Liu Juan |
|
| TR01 | Transfer of patent right |