CN2937459Y - Double-offset polish rod sealer for pumping well - Google Patents
Double-offset polish rod sealer for pumping well Download PDFInfo
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- CN2937459Y CN2937459Y CN 200620098274 CN200620098274U CN2937459Y CN 2937459 Y CN2937459 Y CN 2937459Y CN 200620098274 CN200620098274 CN 200620098274 CN 200620098274 U CN200620098274 U CN 200620098274U CN 2937459 Y CN2937459 Y CN 2937459Y
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- tuningout
- seal valve
- spring
- sealing valve
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Abstract
The utility model relates to a double deviation adjusting novel type polished rod sealer for oil pumping well in oil field and belongs to auxiliary equipment field of pumping machinery in oil fields, comprising two parts: a working sealing valve and a standby sealing valve, wherein the standby sealing valve is positioned horizontally, and the working sealing valve is fixed perpendicular to the upper part of middle piece of the standby sealing valve. The standby sealing valve consists of a valve body, a profile packing, pistons, connecting bolts, a spring, a spring cap, an adjusting rod and an end cap; the working sealing valve consists of a deviation adjusting workroom, a conical packing, a dolioform packing, a spring and an adjusting casing. When the sealing valves are under normal operation, the profile packing in the standby sealing valve does not contact with the polished rod, and the packing in the deviation adjusting workroom of the working sealing valve is employed for sealing the polished rod. In addition, automatic compensation is provided in axial direction for the packing wears, rubber gate is replaced with a horizontal standby sealing valve, so the polished rod does not need to be suspended in packing addition; the utility model has two stage deviation adjusting function and is suitable for pumping well sealing of various oil fields.
Description
Affiliated technical field:
The utility model relates to the two tuningout new type of rod sealing unit of pumpingh well that a kind of oil field pumping well uses, and belongs to the corollary equipment field of oil-field oil pumper tool.
Background technology:
The oil well in oil field is not enough at pressure, can not the situation of blowing under, use oil pumping machinery to pump with regard to needs.The existing employed pumping unit of oilfield all is to drive polished rod with underground crude oil suction oil pipeline by oil pumper.But the pressure that polished rod produces in putting forward the process of stretching inevitably makes crude oil can spray well head, and makes the crude resources waste, and causes the pollution around the oil well.The oil field solution to this problem, generally all be adopt several rubber seal are cut off after, sheared edge is staggered, compress behind the packing box of packing into and realize sealing polished rod.The shortcoming of the method is: after the sealing structure is used a period of time, owing to lose sealing function after producing certain interval between the wearing and tearing of sealing ring and the polished rod, make that the packing in the packing box is changed frequently 1..2. polished rod must quit work when changing packing, and crude oil is revealed in order to prevent to change, and also the rubber gate need be installed, and both takes a lot of work, and is time-consuming again.3. do not have deviation correcting device on traditional packing box, polished rod causes the well head draining after producing eccentric wear equally.In order to overcome the defective that said method produces, people have designed the wellhead polish rod sealing device of multiple band tuningout, but because design principle is perfect inadequately, effect of field application is not good enough, polished rod can not well be sealed, do not reach and make behind the well head seal area tuningout and the purpose of eccentric wear draining do not occur, and polished rod still will quit work complex operation when changing packing.
Summary of the invention:
The purpose of this utility model is: provide a kind of employing working seal valve to become " " shape with the backup seal valve, flexibly connect by secondary tuningout seat and locking nut, the working seal valve is consistent with the axial direction of polished rod, and can compensate automatically in the wearing and tearing of axial direction to packing, the backup seal valve with automatic compensation function by level replaces the rubber gate, only add after the packing wearing and tearing of working seal valve and do not get, solved the problem that to draw out old packing after packing weares and teares in the past, polished rod does not quit work when adding packing, and has the two tuningout new type of rod sealing unit of pumpingh well of two-stage tuningout function.
The utility model is to realize above-mentioned purpose by the following technical solutions:
The two tuningout new type of rod sealing unit of this pumpingh well are made of working seal valve and backup seal valve two parts, backup seal valve horizontal positioned, and working seal valve vertical fixing is in the top, middle part of backup seal valve; The backup seal valve is made up of valve body, special-shaped packing, piston, piston packing, connecting bolt, spring, packing ring, spring capping, adjusting rod and end cap; Special-shaped packing is contained in the middle part of backup seal valve body, piston is equipped with by connecting bolt in the both sides of special-shaped packing, be fixed with spring, packing ring and adjusting rod by spring capping in the piston, one end of outer surface of piston is equipped with piston packing, two ends of valve body is equipped with end cap, is connected with adjusting rod and dust cap on the end cap; The working seal valve is made up of tuningout service depot, awl packing, waist drum packing, spring, spring capping, regulating sleeve and fine setting lid; It is characterized in that: the top, middle part of backup seal valve body is fixed an end of tuningout service depot by secondary tuningout seat and locking nut, awl packing and waist drum packing are housed in the tuningout service depot, waist drum packing top is fixed with a spring by spring capping, the outside of tuningout service depot is by the regulating sleeve that has been threaded, and the fine setting lid is equipped with at the regulating sleeve top.The first half that is shaped as in indoor hole, tuningout service depot is a cylinder, and Lower Half is the rounding platform.A flange is equipped with in the below at backup seal valve body middle part, is fixed with an eccentric connector by nut on the flange, and flange is equipped with the flange seal circle with contacting of eccentric connector on the end face.
The utility model compared with prior art has following beneficial effect:
1, working seal valve and backup seal valve are one " " shape integral body, have solved the existing well sealer for mouth when the warp direction of polished rod compensates automatically, and packing easily forms ellipse and the problem of leakage of oil.
2, adopt the backup seal valve to substitute rubber valve, the not out-of-work purpose of polished rod when having reached the replacing packing.
3, the connection between working seal valve and the backup seal valve adopts secondary tuningout seat, tuningout service depot to be connected with locking nut, make tuningout automatic fully, and the tuningout surplus is big, has thoroughly solved the problem of polished rod eccentric wear.
4, the working seal valve adopts on the polished rod axial direction and pressurizes with 360 ° of circumference of spring, carries out automatic wear compensation, prolongs adjustment cycle, has thoroughly solved the problem of existing well sealer for mouth leakage of oil.
Description of drawings:
Accompanying drawing is the structural representation of the two tuningout new type of rod sealing unit of pumpingh well.
Among the figure: 1, fine setting lid, 2,17, spring capping, 3, regulating sleeve, 4, spring, 5, waist drum packing, 6, the awl packing, 7, the tuningout service depot, 8, locking nut, 9, special-shaped packing, 10, piston, 11, connecting bolt, 12, valve body, 13, dust cap, 14, adjusting rod, 15, end cap, 16, spring, 18, piston packing, 19, flange, 20, the flange seal circle, 21, eccentric connector, 22, nut, 23, secondary tuningout seat, 24, packing ring, 25, the guide-localization post.
The specific embodiment:
As shown in drawings, the two tuningout new type of rod sealing unit of this pumpingh well are made of working seal valve and backup seal valve two parts, and working seal valve and backup seal valve connect into " " shape by secondary tuningout seat 23, tuningout service depot 7 and locking nut 8.The working seal valve covers 1 by tuningout service depot 7, awl packing 6, waist drum packing 5, spring 4, regulating sleeve 3, spring capping 2 and fine setting and constitutes.Waist drum packing 5 and awl packing 6 are contained in the hole, chamber of tuningout service depot 7, spring 4 is pressed on waist drum packing 5 tops by spring capping 2, by screw thread one regulating sleeve 3 is housed on tuningout service depot 7 external surfaces, a fine setting lid 1 that is connected with spring capping 2 is housed on the regulating sleeve 3.The backup seal valve is made of valve body 12, special-shaped packing 9, piston 10, connecting bolt 11, spring 16, packing ring 24, spring capping 17, piston packing 18, end cap 15, adjusting rod 14 and dust cap 13.The special-shaped packing 9 of backup seal valve is contained in the middle part in the valve body 12, and piston 10 is equipped with by connecting bolt 11 in the outside of special-shaped packing 9, is fixed with a spring 16 by spring capping 17 and packing ring 24 on the piston 10; The end cap 15 that band adjusting rod 14 is equipped with at the two ends of valve body 12 is equipped with dust cap 13 on the end cap 15.
During sealing device operate as normal, the special-shaped packing 9 in the backup seal valve does not contact with polished rod, does not seal, by the waist drum packing 5 in the hole, chamber of the tuningout service depot 7 of working seal valve with bore 6 pairs of polished rods of packing and seal.When wearing and tearing in the process that moves up and down of packing at polished rod, the spring 4 on its waist drum packing 5 tops has a continuous downward pressure by regulating sleeve 3 and 2 pairs of waist drum packings 5 of spring capping, because the indoor hole shape first half of tuningout service depot 7 is a cylinder, Lower Half is the rounding platform, waist drum packing 5 is identical with the indoor hole of tuningout service depot 7 with the external surface shape of awl packing 6, therefore packing hole, chamber by the cone-shaped in the tuningout service depot 7 under the pressure of spring 4 is pushed, make the endoporus and the polished rod of waist drum packing 5 and awl packing 6 be close together, and obtain good sealing effectiveness.And can in the rounding platform of tuningout service depot 7, be compensated automatically by bore portion after 6 wearing and tearing of awl packing.The pressure of spring 4 can be by regulating with the regulating sleeve 3 that be threaded in tuningout service depot 7 external surfaces, and can cover 1 by fine setting and finely tune.In order to make the sealing device can reach the purpose of automatic deflection adjusting, adopted two-stage tuningout structure.One-level tuningout structure is, nut 22 and eccentric connector 21 are housed on the flange 19 below the valve body 12 of standby operating valve, is connected with production tree by eccentric connector 21.Secondary tuningout structure is to adopt secondary tuningout seat 23, tuningout service depot 7 to be connected with locking nut 8 between working seal valve and the backup seal valve.By two-stage tuningout structure, make that the tuningout surplus is bigger.
When the packing in the working seal valve of sealing device need add, open the dust cap 13 of backup seal valve earlier, adjusting rod 14 in the end cap 15 at adjusting backup seal valve body 12 two ends, make it endoporus of special-shaped packing 9 is adjacent to the polished rod surface by spring capping 17, spring 16 and piston 10, and making polished rod obtain sealing, the pressure of spring 16 can compensate after can making special-shaped packing 9 wearing and tearing by piston 10 automatically.Again the regulating sleeve on the working seal valve 3 is dismantled from tuningout service depot 7, can be added packing in the indoor hole of tuningout service depot 7.After packing has added, regulating sleeve 3 is tightened in the tuningout service depot 7, and regulates the pressure of spring 4 by the fine setting lid, again the adjusting rod 14 at backup seal valve body 12 two ends is transferred pine, special-shaped packing 9 and polished rod are left, load onto dust cap 13, then the working seal valve begins operate as normal.Like this, the backup seal valve has just replaced the rubber valve, and when making the waist drum packing 5 that adds working seal valve endoporus, polished rod does not need to quit work.
Claims (3)
1, the two tuningout new type of rod sealing unit of a kind of pumpingh well, it is made of working seal valve and backup seal valve two parts, backup seal valve horizontal positioned, working seal valve vertical fixing is in the top, middle part of backup seal valve; The backup seal valve is made up of valve body (12), special-shaped packing (9), piston (10), piston packing (18), connecting bolt (11), spring (16), spring capping (17), adjusting rod (14) and end cap (15); Special-shaped packing (9) is contained in the middle part of backup seal valve body (12), piston (10) is equipped with by connecting bolt (11) in the outside of special-shaped packing (9), be fixed with spring (16), packing ring (24) and adjusting rod (14) by spring capping (17) in the piston (10), one end of piston (10) external surface is equipped with piston packing (18), end cap (15) is equipped with at the two ends of valve body (12), is connected with adjusting rod (14) and dust cap (13) on the end cap (15); The working seal valve is made up of tuningout service depot (7), awl packing (6), waist drum packing (5), spring (4), spring capping (2), regulating sleeve (3) and fine setting lid (1); It is characterized in that: the top, middle part of backup seal valve body (12) is fixed an end of tuningout service depot (7) by secondary tuningout seat (23) and locking nut (8), awl packing (6) and waist drum packing (5) are housed in the tuningout service depot (7), waist drum packing (5) top is fixed with a spring (4) by spring capping (2), the outside of tuningout service depot (7) is by the regulating sleeve (3) that has been threaded, and fine setting lid (1) is equipped with at regulating sleeve (3) top.
2, the two tuningout new type of rod sealing unit of pumpingh well according to claim 1, it is characterized in that: a flange (19) is equipped with in the below at backup seal valve body (12) middle part, flange (19) is gone up and is fixed with an eccentric connector (21) by nut (22), and flange (19) is equipped with flange seal circle (20) with contacting of eccentric connector (21) on the end face.
3, the two tuningout new type of rod sealing unit of pumpingh well according to claim 1, it is characterized in that: the shape first half in indoor hole, described tuningout service depot (7) is a cylinder, and Lower Half is the rounding platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620098274 CN2937459Y (en) | 2006-08-03 | 2006-08-03 | Double-offset polish rod sealer for pumping well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620098274 CN2937459Y (en) | 2006-08-03 | 2006-08-03 | Double-offset polish rod sealer for pumping well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2937459Y true CN2937459Y (en) | 2007-08-22 |
Family
ID=38361485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620098274 Expired - Fee Related CN2937459Y (en) | 2006-08-03 | 2006-08-03 | Double-offset polish rod sealer for pumping well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2937459Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104005727A (en) * | 2014-03-24 | 2014-08-27 | 南京伟业机械有限公司 | Aligning and deviation-adjusting pressure packing device for wellhead equipment |
| CN104251125A (en) * | 2013-06-25 | 2014-12-31 | 荆州市高鑫石油阀件有限公司 | Universal follow-up bias adjusting polished rod sealing mechanism |
| CN104612620A (en) * | 2015-02-10 | 2015-05-13 | 大庆因你美丽机械设备制造有限公司 | Pumping unit polish rod mechanical sealing device |
| CN106917597A (en) * | 2017-04-30 | 2017-07-04 | 张坚 | Oil-field oil pumper packing box |
| CN109869111A (en) * | 2019-03-14 | 2019-06-11 | 青岛理工大学 | Follow-up deviation-adjusting polish rod sealing and liquid-drive blowout prevention integrated device |
| CN110513069A (en) * | 2019-09-17 | 2019-11-29 | 荆州市高鑫石油阀件有限公司 | A kind of sealing device based on oil well mouth Oil pumping device |
| CN113503137A (en) * | 2021-08-14 | 2021-10-15 | 盘锦博程实业有限公司 | Horizontal self-adjusting well head sealer |
| CN117108234A (en) * | 2023-10-24 | 2023-11-24 | 克拉玛依红山油田有限责任公司 | Sectional type thermal recovery polished rod static seal structure |
-
2006
- 2006-08-03 CN CN 200620098274 patent/CN2937459Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104251125A (en) * | 2013-06-25 | 2014-12-31 | 荆州市高鑫石油阀件有限公司 | Universal follow-up bias adjusting polished rod sealing mechanism |
| CN104005727A (en) * | 2014-03-24 | 2014-08-27 | 南京伟业机械有限公司 | Aligning and deviation-adjusting pressure packing device for wellhead equipment |
| CN104612620A (en) * | 2015-02-10 | 2015-05-13 | 大庆因你美丽机械设备制造有限公司 | Pumping unit polish rod mechanical sealing device |
| CN104612620B (en) * | 2015-02-10 | 2016-03-09 | 大庆因你美丽机械设备制造有限公司 | Oil-extractor polish-rod mechanically-sealing apparatus |
| CN106917597A (en) * | 2017-04-30 | 2017-07-04 | 张坚 | Oil-field oil pumper packing box |
| CN109869111A (en) * | 2019-03-14 | 2019-06-11 | 青岛理工大学 | Follow-up deviation-adjusting polish rod sealing and liquid-drive blowout prevention integrated device |
| CN110513069A (en) * | 2019-09-17 | 2019-11-29 | 荆州市高鑫石油阀件有限公司 | A kind of sealing device based on oil well mouth Oil pumping device |
| CN113503137A (en) * | 2021-08-14 | 2021-10-15 | 盘锦博程实业有限公司 | Horizontal self-adjusting well head sealer |
| CN117108234A (en) * | 2023-10-24 | 2023-11-24 | 克拉玛依红山油田有限责任公司 | Sectional type thermal recovery polished rod static seal structure |
| CN117108234B (en) * | 2023-10-24 | 2024-01-30 | 克拉玛依红山油田有限责任公司 | Sectional type thermal recovery polished rod static seal structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070822 Termination date: 20150803 |
|
| EXPY | Termination of patent right or utility model |