CN202628013U - Multifunctional pumping unit wellhead polished rod sealing device - Google Patents
Multifunctional pumping unit wellhead polished rod sealing device Download PDFInfo
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- CN202628013U CN202628013U CN 201220176671 CN201220176671U CN202628013U CN 202628013 U CN202628013 U CN 202628013U CN 201220176671 CN201220176671 CN 201220176671 CN 201220176671 U CN201220176671 U CN 201220176671U CN 202628013 U CN202628013 U CN 202628013U
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- assembly
- fluorubber
- sealing device
- packing
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Abstract
The utility model discloses a multifunctional pumping unit wellhead polished rod sealing device, which consists of an anti-eccentric wear component, a blowout prevention component, a compression component, a ball head component and a fixed component. Compared with the prior art, the multifunctional pumping unit wellhead polished rod sealing device is simple in structure, convenient to adjust, safe, reliable, high in working efficiency, low in pollution and high in economic benefit and social benefit, and can be widely popularized to an oil field pumping unit, the service life of equipment can be greatly prolonged, the maintenance time of the equipment is shortened, and the cost of the equipment is saved.
Description
One, technical field
The utility model discloses a kind of sealing device that is used for oil field shaft mouth oil pumper beam hanger, belong to the oil production equipment technical field.
Two, background technology
The effect of the oil-extractor polish-rod sealer that petroleum industry is used is the polished rod of sealing oil pumper; Polished rod can not taken to oil outside the polished rod in oil pumping process; Its operating principle is that polished rod sealer mainly is made up of blowout prevention box and rubber gate, and during oil pumper work, polished rod moves up and down; Be extracted into ground to crude oil, flow away along oil pipeline.
Oil on the polished rod is scraped by the circular rubber packing in the blowout prevention box when polished rod moves upward, and flows back to again in the oil pipeline; The long-term friction of polished rod and rubber packing can cause the rubber packing to damage; Lose sealing function, crude oil is flowed out along polished rod, at this moment need change the rubber packing.
Will use high pressure rubber gate when changing the rubber packing, under the general normal condition, the rubber gate is opened; When changing packing; Through handle the rubber gate is shut, the rubber core has sealed the space around the polished rod, prevents that crude oil from flowing out along the blowout prevention box; Change the skin gate that comes unglued of performing fighting behind the packing, recovered normal production status again.
Some oil well and since oil pumper not just or well itself tilt, cause polished rod and packing not on same center line, make polished rod and packing be in inhomogeneous Frotteurism, the generation what is called is rubbed partially.At this moment packing is ground away very soon, causes the leakage of oil of blowout prevention box.
Used oil-extractor polish-rod sealer does not possess horizontal tuningout and angle tuningout kinetic energy; Can't prevent the phenomenon of rubbing partially of packing; Cause packing to be easy to grind away. secondly, the blowout prevention box and the rubber gate of existing polished rod sealer are made two bodies, through being threaded; So the height overall of polished rod sealer is longer, influenced the adjustable extent of the stroke of oil pumper.Once more, the rubber gate of existing polished rod sealer is bright leading screw valve, and handle is removed easily to be lost.
Three, summary of the invention
The technical problem that the utility model will solve is: provide a kind of in installing and using; Promptly can adjust relative position and the fit clearance between beam hanger and the sealing device easily at random; Again can be under non-stop-machine situation, safe ready is promptly changed the multifunctional oil-extractor wellhead polish rod sealing device of beam hanger airtight and watertight padding.
The technical characterictic of the utility model is: multifunctional oil-extractor wellhead polish rod sealing device, by anti-eccentric wear assembly, blowout prevention assembly, hold down assembly, bulb assembly and fixation kit constitute, it is characterized in that:
Described anti-eccentric wear assembly is made up of pressure cap (1), baffle plate (2), slide block (3), small pressure spring (4), nut (5) and fluorine rubber ring (15); Wherein slide block (3) is quadrangle; Its inclined-plane is provided with an oblique elongate recesses slideway (16); Its vertical plane is provided with two oblique elongate recesses (17), and an end of small pressure spring (4) is put into wherein; Described fluorine rubber ring (15) is cylindric, and the outer ring is provided with screw thread (14);
Described blowout prevention assembly is made up of polytetrafluoroethylene (PTFE) spray-proof ball (6), big spring (7), baffle plate (8), and wherein big spring (7) one ends and polytetrafluoroethylene (PTFE) spray-proof ball (6) join, and the other end is against baffle plate (8), and the oblique angle of itself and horizontal plane is between 20 ° to 30 °;
Described holding down assembly is made up of pressure-conducting disk root piece (9), packing (11), fluorubber gate (18) and round shaft (19), and wherein said packing (11) is a taper backpitch fluorine rubber ring packing; Described fluorubber gate (18) is provided with round shaft (19);
Described bulb assembly is made up of bulb adapter sleeve (12) and steering ball end (13), fluorubber gate (18) and round shaft (19), fluorubber gate (18) and round shaft (19); Wherein steering ball end (13) is drops; Last point is circle down, hollow, and sucker rod (10) is from wherein passing.
The endoporus of the round shaft (19) on the described fluorubber gate (18) is provided with the internal thread that is meshed with jackscrew thick stick (20) external screw thread.
The utility model has the advantages that simple in structure, easy to adjust, safe and reliable; The operating efficiency high pollution is little, can prolong the application life of equipment greatly, practices thrift apparatus maintenance time and expense; Have considerable economic and social benefit, can extensively on oil-field oil pumper, promote the use of.
Four, description of drawings
Accompanying drawing 1 is the overall structure sketch map of the utility model
Accompanying drawing 2 is slide block structure sketch mapes of the utility model
Accompanying drawing 3 is steering ball end structural representations of the utility model
Wherein: 1, pressure cap 2, baffle plate 3, slide block 4, small pressure spring 5, nut 6, polytetrafluoroethylene (PTFE) spray-proof ball 7, big spring 8, baffle plate 9, pressure-conducting disk root piece 10, sucker rod 11, packing 12 bulb adapter sleeves 13, steering ball end 14, screw thread 15, fluorine rubber ring 16, slideway 17, groove 18, fluorubber gate 19, round shaft 20, jackscrew thick stick
Five, the specific embodiment
In conjunction with accompanying drawing 1, Fig. 2 and Fig. 3 embodiment is done further description, present embodiment is used for explaining the utility model, rather than the utility model is carried out any restriction.
Multifunctional oil-extractor wellhead polish rod sealing device, by anti-eccentric wear assembly, blowout prevention assembly, hold down assembly, bulb assembly and fixation kit constitute, it is characterized in that:
Described anti-eccentric wear assembly is made up of pressure cap 1, baffle plate 2, slide block 3, small pressure spring 4, nut 5 and fluorine rubber ring 15; Wherein slide block 3 is quadrangle; Its inclined-plane is provided with an oblique elongate recesses slideway 16, and its vertical plane is provided with two oblique elongate recesses 17, and an end of small pressure spring 4 is put into wherein; Described fluorine rubber ring 15 is cylindric, and the outer ring is provided with screw thread 14;
Described blowout prevention assembly is made up of polytetrafluoroethylene (PTFE) spray-proof ball 6, big spring 7, baffle plate 8, and wherein big spring 7 one ends and polytetrafluoroethylene (PTFE) spray-proof ball 6 join, and the other end is against baffle plate 8, and the oblique angle of itself and horizontal plane is between 20 ° to 30 °;
Described holding down assembly is made up of pressure-conducting disk root piece 9, packing 11, fluorubber gate 18 and round shaft 19, and wherein said packing 11 is taper backpitch fluorine rubber ring packings; Described fluorubber gate 18 is provided with round shaft 19;
Described bulb assembly is made up of bulb adapter sleeve 12 and steering ball end 13, fluorubber gate 18 and round shaft 19, fluorubber gate 18 and round shaft 19, and wherein steering ball end 13 is drops, and last point is circle down, hollow, and sucker rod 10 is from wherein passing.
The endoporus of the round shaft 19 on the described fluorubber gate 18 is provided with the internal thread that is meshed with jackscrew thick stick 20 external screw threads.
Multifunctional oil-extractor wellhead polish rod sealing device is installed in the well head upper end, and pressure cap 1 is outwarded winding, and slide block 3 symmetries are put into; Open nut 5 from the side, put into small pressure spring 4 again, make the one of which end stretch into slide block 3 vertical planes and be provided with in two rectangular recess 17; Close nut 5 after compressing, whether viewing hood 2 at correct position again, the pressure cap 1 of screwing after the adjustment; Sucker rod 10 stretches into; And making it be close to the elongate recesses slideway 16 on slide block 3 inclined-planes, sucker rod 10 is when moving up and down, because the elastic force effect of spring 4 makes slide block 3 be close to sucker rod 10; Do not make it inclined to one side, make the suitable also locking in gap of sucker rod 10 and multifunctional oil-extractor wellhead polish rod sealing device can prevent inclined to one side simultaneously yet through fluorine rubber ring 15 by adjustment sucker rod 10 location guiding mechanisms;
Adjust the middle position that the steering ball end 13 of rod packing 11 is housed according to the gradient of sucker rod 10, and the bulb adapter sleeve 12 of screwing is fixed; Rod packing on the steering ball end 13 11 adapter sleeves are tightened, can be got into duty.
When needs are changed rod packing 11; Coincide being advanced to sucker rod 10 by piston, threaded rod with the rod packing 11 of sucker rod 10 1 side-to-side anastomosis in the sucker rod 10 locking seal valves; Sealing sucker rod 10 following spaces; Cut off the well head transmission that upwards pressure, can change the axial pressure-conducting disk root piece 9 on the steering ball end 13 easily.
Can adjust sucker rod 10 location guiding mechanisms during work easily at any time and locate the axial bulb adapter sleeve 12 on guiding mechanism and the steering ball end 13,, and then reduce wear and raise the efficiency so that it is operated under the desirable state with sucker rod 10 fillers.Concrete operations are following
1, earlier spray-proof ball nut 5 is turned on, taken out polytetrafluoroethylene (PTFE) spray-proof ball 6, big spring 7.
2, again sucker rod 10 is passed sealer after, put into polytetrafluoroethylene (PTFE) spray-proof ball 6, secondly big spring 7 is tightened spray-proof ball nut 5 again.
3, be connected the taper box cupling with oil pipe taper box cupling.
4, suitably tighten bulb adapter sleeve 12.
5, before the installation packing, tighten fluorubber gate 18.
6, open the pressure-conducting disk root cap, take out pressure-conducting disk root piece 9, pile packing 11, tighten the pressure-conducting disk root cap, open fluorubber gate 18.
7, starting oil pumper and suitably tighten the pressure-conducting disk root cap, is standard with the polished rod cleaning.
Claims (2)
1. multifunctional oil-extractor wellhead polish rod sealing device, by anti-eccentric wear assembly, blowout prevention assembly, hold down assembly, bulb assembly and fixation kit constitute, it is characterized in that:
Described anti-eccentric wear assembly is made up of pressure cap (1), baffle plate (2), slide block (3), small pressure spring (4), nut (5) and fluorine rubber ring (15); Wherein slide block (3) is quadrangle; Its inclined-plane is provided with an oblique elongate recesses slideway (16); Its vertical plane is provided with two oblique elongate recesses (17), and an end of small pressure spring (4) is put into wherein; Described fluorine rubber ring (15) is cylindric, and the outer ring is provided with screw thread (14);
Described blowout prevention assembly is made up of polytetrafluoroethylene (PTFE) spray-proof ball (6), big spring (7), baffle plate (8), and wherein big spring (7) one ends and polytetrafluoroethylene (PTFE) spray-proof ball (6) join, and the other end is against baffle plate (8), and the oblique angle of itself and horizontal plane is between 20 ° to 30 °;
Described holding down assembly is made up of pressure-conducting disk root piece (9), packing (11), fluorubber gate (18) and round shaft (19), and wherein said packing (11) is a taper backpitch fluorine rubber ring packing; Described fluorubber gate (18) is provided with round shaft (19);
Described bulb assembly is made up of bulb adapter sleeve (12) and steering ball end (13), fluorubber gate (18) and round shaft (19), fluorubber gate (18) and round shaft (19); Wherein steering ball end (13) is drops; Last point is circle down, hollow, and sucker rod (10) is from wherein passing.
2. multifunctional oil-extractor wellhead polish rod sealing device according to claim 1 is characterized in that the endoporus of the round shaft (19) on the described fluorubber gate (18) is provided with the internal thread that is meshed with jackscrew thick stick (20) external screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220176671 CN202628013U (en) | 2012-04-25 | 2012-04-25 | Multifunctional pumping unit wellhead polished rod sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220176671 CN202628013U (en) | 2012-04-25 | 2012-04-25 | Multifunctional pumping unit wellhead polished rod sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202628013U true CN202628013U (en) | 2012-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220176671 Expired - Fee Related CN202628013U (en) | 2012-04-25 | 2012-04-25 | Multifunctional pumping unit wellhead polished rod sealing device |
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| Country | Link |
|---|---|
| CN (1) | CN202628013U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109763788A (en) * | 2019-03-12 | 2019-05-17 | 东营正驰石油技术服务有限公司 | With energy device |
-
2012
- 2012-04-25 CN CN 201220176671 patent/CN202628013U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109763788A (en) * | 2019-03-12 | 2019-05-17 | 东营正驰石油技术服务有限公司 | With energy device |
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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: 20121226 Termination date: 20160425 |