CN2632300Y - Full direction multifunctional polish rod sealer - Google Patents
Full direction multifunctional polish rod sealer Download PDFInfo
- Publication number
- CN2632300Y CN2632300Y CN 02293264 CN02293264U CN2632300Y CN 2632300 Y CN2632300 Y CN 2632300Y CN 02293264 CN02293264 CN 02293264 CN 02293264 U CN02293264 U CN 02293264U CN 2632300 Y CN2632300 Y CN 2632300Y
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- China
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- packing
- packing box
- polished rod
- subordinate
- higher level
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- Expired - Fee Related
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Abstract
The utility model relates to an omnidirectional multi-function polished rod sealer which is used for sealing of the oil pumping well head and has the functions of automatic lubricating, automatic ejection of packing, automatic alignment of the polished rod, automatic stopping spraying and thief proof after the polished rod is broken. The thief proof enclosure, the press cup, the superior packing box, the connection sleeve, the subordinate packing box are connected with thread in sequence. The pressure guiding plug and the superior packing box are pressed under the press cup in sequence. The superior packing serves as sealing function during the oil well production. The upper and lower ends of the hollow plunger piston are separately inserted into the superior packing box and the subordinate packing box. The taper ring and the subordinate packing are arranged under the hollow plunger piston in the subordinate packing box, which makes the hollow plunger piston to compress the subordinate packing and reach sealing status, i.e the superior packing is replaced. The upper of the press cap is oil storage chamber; the handle end of the valve plate is fixed on the inner and the top side of the oil storage chamber. The spline tooth on the lower outer diameter of the press cup fits the tongue pin encircled around outside in the inner hole of the finger spiral handle to control the rotation direction of the press cup. Another end of the force exerting rod which is inserted into the finger spiral handle is extruded out the thief proof enclosure.
Description
Affiliated technical field:
The utility model relates to that oil-field oil pumper is aboveground to prevent the polished rod sealer of oil and gas leakage, particularly a kind of all direction multifunctional polished rod sealer with polished rod fitted seal well mouth of oil well.
Technical background:
Old-fashioned in the past pumpingh well polished rod sealer, sealed packing (particularly intermittently fuel-displaced well) easy to wear aborning, the sealer sealing effectiveness is poor when changing packing, often to emit the oil gas work of ejection, or the oil-air pressure in the oil well bled off from well head, operation easier is big, and oil and gas loss is big, working time is long, can not be antitheft.Formerly improve or the polished rod sealer of invention also mostly be function singleness or complex structure and be not used, in the existing oil well production still based on old-fashioned polished rod sealer.
Summary of the invention:
Easy to wear in order to overcome existing polished rod sealer sealed packing, sealing effectiveness difference and operation easier are big when changing packing, non-anti-theft, can't only spray and function singleness after in the disconnected oil well that comes off of polished rod, baroque defective, the utility model provides a kind of all direction multifunctional polished rod sealer, this all direction multifunctional polished rod sealer has been assembled self-lubricate, packing ejects automatically, during polished rod is transferred automatically, spray and anti-theft feature are ended automatically in one in the disconnected back of taking off of polished rod, reduce the wearing and tearing of sealed packing greatly, avoid oil and gas leakage, difficulty reduces greatly during operation, time saving and energy saving, and have good anti-theft feature.
The technical scheme that its technical problem that solves the utility model adopts is: this all direction multifunctional polished rod sealer is made up of pressure cap, pilot plug, higher level's packing, higher level's packing box, hollow plunger, adapter sleeve, conical ring, subordinate's packing, subordinate's packing box and all is through on the polished rod in proper order, and keep coaxial with polished rod, antitheft cover covers on outermost layer, have only polished rod and boosting-rod to stretch from the opening at antitheft cover top and the opening of side respectively, the bottom of antitheft cover is fixed on the following well head theft-proof box by screw.In the antitheft cover, be pressure cap topmost, in the shoe cream room on pressure cap top, adding machine oil or other lubrication oil can be lubricated polished rod and higher level's packing, thereby prolongs the application life of higher level's packing greatly.The valve block that one rubber is arranged in the shoe cream room, the valve block pommel is fixed on a side of shoe cream room end face by fixed screw, and at ordinary times, polished rod one side heads on valve block, makes the elastic buckling of valve block handle, and valve block hangs down in a side of shoe cream room; When polished rod disconnects more than pressure cap, after the bottom polished rod falls in the oil well, the elasticity of rubber stem is upturned valve block, and on the circular hole that gets lodged in the shoe cream room end face that polished rod abdicates under the pressure effect of OIH gas, thereby finish the disconnected function that falls behind oil and gas leakage of containment polished rod.On the external diameter of pressure cap bottom spline tooth is arranged, spline tooth is outer around referring to revolve ring, the boosting-rod that refers to revolve in the shank outer end endoporus of ring stretches out outside the antitheft cover, revolve in the hole of handle portion inboard at finger, spring heads on the ligulate pin and is stuck in the teeth groove of spline tooth, and ligulate pin exposed junction one side is domatic, one side is the plane, drive when referring to revolve ring and turning clockwise when spur boosting-rod outside antitheft cover, the elasticity of spring makes ligulate pin planar side block spline tooth and drives pressure cap and rotate together, and pressure cap is tightened downwards; And drive when referring to revolve ring and being rotated counterclockwise when promoting boosting-rod, spline tooth heads on the domatic of ligulate pin, and compression spring, ligulate pin are by in the jacking hole, and referring to revolve annular space changes, and also just can't unload loose pressure cap, thereby prevent to be unloaded the generation of loose pressure cap stolen situation.Pressure cap is threaded with higher level's packing box upper end, the stage casing is higher level's packing in higher level's packing box, is the pilot plug above higher level's packing, is to be headed on by hollow plunger below, pressure cap can pressurize to higher level's packing by the pilot plug downwards, and the sealing well mouth of oil well prevents oil and gas leakage.The set screw of four direction is fixed into adapter sleeve and hollow plunger as a whole, and keep coaxial, the internal thread of adapter sleeve upper and lower side is threaded with higher level's packing box and subordinate's packing box respectively, and makes the hollow plunger two ends insert higher level's packing box and subordinate's packing box respectively simultaneously.The endoporus lower end of hollow plunger is taper, and following conical ring is embedded in it, is subordinate's packing below the conical ring, subordinate packing box lower end by clamp connection on the well head of pumpingh well.Subordinate's packing is in relaxed state during production, and the centre bore that the oil gas in the oil well can pass through subordinate's packing box, hollow plunger arrives the lower end of higher level's packing, but is firmly prevented to the oil well external leakage by higher level's packing_seal.When higher level's packing is worn the needs replacing, adapter sleeve can turn clockwise, drive hollow plunger and press down conical ring and subordinate's packing, subordinate's packing is sealed in oil-air pressure below subordinate's packing, simultaneously because of vertically being compressed expanded radially, conical ring is also embedded the cone-shaped inner hole of hollow plunger lower end by pressure, because the guide effect of taper surface, conical ring will promote the center that the polished rod at its center moves to higher level's packing box automatically, finish function in the automatic accent.Because the excellent sealing of subordinate's packing, so just can unload lower pressing cap not having extremely under the works fine condition of oil and gas leakage, higher level's packing box is screwed in adapter sleeve, hollow plunger in the adapter sleeve can eject higher level's packing higher level's packing box, reverse rotation higher level packing box makes it be up to the origin-location then, because during polished rod transferred automatically, just can add new packing easily, first-class and tighten pressure cap, make higher level's packing be in sealing state.Change operation and finish on the back and revolve adapter sleeve, make the pressurization of the up releasing of hollow plunger to subordinate's packing, the relaxed state of recovery subordinate packing is avoided the friction with polished rod, and the task of sealing will be transferred to higher level's packing again, and oil well changes ordinary production over to.
The beneficial effects of the utility model are, sealed packing is self-lubricate constantly, long service life, good sealing effect when changing sealed packing, avoided oil and gas loss and created good working environment, during polished rod is automatically transferred, higher level's packing ejects automatically, makes simple to operation, time saving and energy saving, and can prevent that crude oil is stolen.
Description of drawings:
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a front view of the present utility model.
Fig. 2 is that the C-C of Fig. 1 is to cross section view.
The specific embodiment:
Among Fig. 1, antitheft cover (1) covers on outermost layer, and top open part can pass through polished rod (G), and there is an oblong openings side, can guarantee that boosting-rod (8) can be stretched and certain angle that can swing, and the lower end is fixed on the well head theft-proof box by screw.In the antitheft cover (1), pressure cap (4), higher level's packing box (10), adapter sleeve (12) and subordinate's packing box (18) order are threaded, pressure cap (4) is finished the well head sealing by pilot plug (5) compression higher level's packing (9), higher level's packing box (10) is inserted in hollow plunger (14) upper end, and seal its contact surface by the O-ring seal in the annular groove of hollow plunger (14) top, subordinate's packing box (18) is inserted in hollow plunger (14) lower end, and its contact surface is sealed by the O-ring seal in the annular groove of bottom.Four set screws (13) are fixed into an integral body with hollow plunger (14) and adapter sleeve (12), and keep coaxial.The upper end of adapter sleeve (12) is threaded with higher level's packing box (10) and by last set screw (11) location, the lower end of adapter sleeve (12) is threaded with subordinate's packing box (18), and following set screw (15) also works the positioning action of preventing rotation.In subordinate's packing box (18), the endoporus lower end of the hollow plunger (14) that insert on top is taper, and following conical ring (16) is embedded in it.Be subordinate's packing (17) below the conical ring (16), subordinate's packing (17) is in relaxed state at ordinary times, is only just brought into play sealing function by hollow plunger (14) pressurization when changing higher level's packing (9).The lower end of subordinate's packing box (18) by clamp connection on well mouth of oil well.
The top of pressure cap (4) is shoe cream room (A), valve block (3) is arranged in the shoe cream room (A), the shank of valve block (3) screw (2) that is fixed is fastened on a side of the end face of shoe cream room (A), and because of the extruding of polished rod (G), the handle elastic buckling of valve block (3) makes valve block (3) sagging.But after in the disconnected well that comes off of polished rod in the oil well production (G), valve block (3) is upturned under the elastic reaction of its handle, and under the effect of OIH atmospheric pressure, block simultaneously the circular hole of shoe cream room (A) end face that polished rod G abdicated, prevent that from then on OIH gas from spraying.Adding machine oil in the shoe cream room (A) can be lubricated polished rod (G) and higher level's packing (9), and oil-draining locknut (20) is laid down and can be discharged machine oil in the bottom of shoe cream room (A).On the external diameter of pressure cap (4) bottom spline tooth (B) is arranged, refer to revolve ring (7) around spline tooth (B), refer to revolve in the inboard aperture of ring (7) shank, (this part can with reference to Fig. 2) spring (19) heads on ligulate pin (6) and is stuck in the teeth groove of spline tooth, ligulate pin (6) exposed junction, a side are that a domatic side is the plane.One end of boosting-rod (8) inserts and refers to revolve in the shank outer end endoporus of ring (7), and an other end stretches out antitheft cover (1) by the oblong openings of antitheft cover (1) side.
Operating procedure when needing to change after higher level's packing (9) wearing and tearing: lay down antitheft cover (1) earlier, unscrew down set screw (15) the back up time cover (12) that is rotatably connected, drive the effect that hollow plunger (14) rotation and descending compression subordinate's packing (17) reach the sealed lower portion well head, simultaneously, the guide effect of the conical surface of hollow plunger (14) endoporus bottom and conical ring (16) conical surface, force conical ring (16) polish rod (G) to move on to the center of higher level's packing box (10), adding higher level's packing (9) time ratio is easier to; Higher level's packing box (10) turns clockwise after laying down pressure cap (4) and unscrewing last set screw (11), higher level's packing (9) that hollow plunger (14) will have been damaged ejects, reverse rotation higher level packing box (10) returns to the origin-location again, load onto new higher level's packing (9) and pilot plug (5), the pressure cap (4) of screwing on makes the compacted sealing state that reaches of higher level's packing (9).Be rotated counterclockwise adapter sleeve (12) then hollow plunger (14) is risen, remove the compression to subordinate's packing (17), the sealing task of well head has just been transferred on higher level's packing, enters the ordinary production state.
Claims (10)
1. all direction multifunctional polished rod sealer, its pressure cap is threaded with higher level's packing box upper end, pressing pilot plug and higher level's packing in the packing box below the pressure cap in proper order, it is characterized in that in antitheft cover, pressure cap, higher level's packing box, adapter sleeve, subordinate's packing box are threaded in proper order, the upper and lower side of hollow plunger inserts higher level's packing box and subordinate's packing box respectively, in subordinate's packing box, is conical ring and subordinate's packing below the hollow plunger.Pressure cap top is shoe cream room, and the pommel of valve block is fixed on shoe cream room inner top one side.Spline tooth on the external diameter of pressure cap lower end and outside around the ligulate pin that revolves in the handle portion endoporus of finger cooperate, with the direction of rotation of control pressure cap, refer to revolve the other end of boosting-rod that inserts in the handle and stretch out outside the antitheft cover.
2. all direction multifunctional polished rod sealer according to claim 1, it is characterized in that having two-stage packing box up and down, higher level's packing in higher level's packing box is compressed the sealing well mouth of oil well, and the subordinate's packing in subordinate's packing box is in relaxed state, only performance sealing function when changing higher level's packing.
3. all direction multifunctional polished rod sealer according to claim 1 is characterized in that there is external screw thread at higher level's packing box two ends, and internal diameter matches with the external diameter of hollow plunger and realizes sealing.
4. all direction multifunctional polished rod sealer according to claim 1 is characterized in that on the two ends external diameter of hollow plunger two road annular grooves being arranged respectively, adds cushion rubber and cooperates with the internal diameter of two-stage packing box up and down respectively and realize sealing; The internal diameter lower end of hollow plunger is a bellmouth.
5. all direction multifunctional polished rod sealer according to claim 1 is characterized in that there is internal thread at adapter sleeve internal diameter two ends, is connected with two-stage packing box up and down respectively, and has fixed screw to play fixation, prevents any rotation.Hollow plunger is enclosed within the adapter sleeve, and is fixed into as a wholely by the set screw of four direction, and keeps coaxial.
6. all direction multifunctional polished rod sealer according to claim 1, it is characterized in that below the hollow plunger in subordinate's packing box, a conical ring is arranged, and the internal diameter of conical ring depends on the diameter of polished rod, and the male cone (strobilus masculinus) tapering is identical with the tapering of hollow plunger lower end bellmouth.
7. all direction multifunctional polished rod sealer according to claim 1, it is characterized in that pressure cap top is shoe cream room, there is the handle of a valve block to be fixed on a side of end face in the shoe cream room, adds machine oil or other lubrication oil in other shoe cream room space, on the external diameter of pressure cap bottom spline tooth is arranged.
8. the valve block in the shoe cream room according to claim 7, the valve block bottom surface that it is characterized in that rubber is the sheet metal of diameter greater than shoe cream room end face Circularhole diameter, the rubber valve plate core has projection, and the termination of valve block handle is fixed on a side of shoe cream room end face by fixed screw.
9. all direction multifunctional polished rod sealer according to claim 1, it is characterized in that revolving ring around the finger of pressure cap bottom spline tooth, have spring to head on the ligulate pin in the endoporus of shank, exposed parts one side of ligulate pin is that plane one side is domatic, refers to revolve outside the handle portion be inserted with boosting-rod in the hole.
10. all direction multifunctional polished rod sealer according to claim 1, it is characterized in that integral outer is antitheft cover, antitheft cover end face has the opening of width greater than the polished rod diameter, so that polished rod can enter and remain on the centre of antitheft cover, there is a horizontal slot side outside referring to revolve the height of ring, can make to insert and refer to that the boosting-rod that revolves handle portion stretches the amplitude decision that the length of slot will be swung by boosting-rod; Antitheft cover is connected with following well head theft-proof box by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02293264 CN2632300Y (en) | 2002-12-17 | 2002-12-17 | Full direction multifunctional polish rod sealer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02293264 CN2632300Y (en) | 2002-12-17 | 2002-12-17 | Full direction multifunctional polish rod sealer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2632300Y true CN2632300Y (en) | 2004-08-11 |
Family
ID=34281088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02293264 Expired - Fee Related CN2632300Y (en) | 2002-12-17 | 2002-12-17 | Full direction multifunctional polish rod sealer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2632300Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104963644A (en) * | 2015-06-12 | 2015-10-07 | 中国石油天然气股份有限公司 | Oil well mouth protecting device |
| CN114753798A (en) * | 2022-05-16 | 2022-07-15 | 帕特恩(大庆)石油科技有限公司 | Multistage sealing protection device for pneumatic isobaric pumping unit well head |
-
2002
- 2002-12-17 CN CN 02293264 patent/CN2632300Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104963644A (en) * | 2015-06-12 | 2015-10-07 | 中国石油天然气股份有限公司 | Oil well mouth protecting device |
| CN104963644B (en) * | 2015-06-12 | 2018-06-01 | 中国石油天然气股份有限公司 | Oil well mouth protection apparatus |
| CN114753798A (en) * | 2022-05-16 | 2022-07-15 | 帕特恩(大庆)石油科技有限公司 | Multistage sealing protection device for pneumatic isobaric pumping unit well head |
| CN114753798B (en) * | 2022-05-16 | 2022-10-14 | 帕特恩(大庆)石油科技有限公司 | Multistage sealing protection device for pneumatic isobaric pumping unit well head |
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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 |