CN200952375Y - Centering polished rod sealing device - Google Patents
Centering polished rod sealing device Download PDFInfo
- Publication number
- CN200952375Y CN200952375Y CN 200620123509 CN200620123509U CN200952375Y CN 200952375 Y CN200952375 Y CN 200952375Y CN 200620123509 CN200620123509 CN 200620123509 CN 200620123509 U CN200620123509 U CN 200620123509U CN 200952375 Y CN200952375 Y CN 200952375Y
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- polished rod
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- main body
- type
- setting upright
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Abstract
A centralized feed rod sealer includes a main body. A spheric shaped concave seat is positioned on the top of the main body. An inverted cone type concave cavity is positioned below the concave seat. A guide plate is positioned on the bottom of the concave cavity, which is provided with a blowout preventing ball. The upper part of the main body is provided with a stuffing cavity, the outer part on the lower end of which is a spheric shaped segment. The switch of the spheric shaped segment coordinates with the spheric shaped concave seat of the main body and is embedded therein. The spheric shaped segment is provided with a centralized casing. The combination part of the outer part of the spheric shaped segment and the main body is provided with a sealing casing. The spheric shaped segment in the stuffing cavity is sheathed inside a spheric shaped pressure casing. And the stuffing cavity is connected with the main body. A guide part is arranged on the upper part of the stuffing cavity and is arranged with a fixation casing and a rotation disc outside. The utility model could effectively prevent the service life reduction of the packing caused by the feed rod eccentric wear in the operation course, and improve the economic benefit of oil recovery production, with the advantages of simple operation and reliable sealing.
Description
Technical field
The utility model relates to the oil pumping polish rod sealing device of extensive use in the oil recovery production of a kind of oil field, particularly a kind of type polished rod sealer of setting upright.
Background technology
Polished rod sealer is must one of installing of Oilfield using oil pumper, oil well pump, and for many years, polished rod sealer commonly used adopts multistage packing_seal structure mostly.There are many defectives in this structure in actual use, particularly at the eccentric wear well, contain Sha Jing, when taking out well and using, it is very frequent to change packing, the consumptive material labour often causes race, bleed phenomenon.And the oil pumper that must stop when at every turn changing packing is changed it again, has directly influenced normal production and economic benefit.
In recent years, many new type of rod sealing unit occur, wherein, utilized the V-belt to substitute the polished rod sealer product of original packing filling, more and more be subjected to user's favor.But, being subjected to the restriction of each well ore deposit, oil field condition, producing well much is not perpendicular to ground line by desirable state, design point, therefore cause polished rod sealer in installation and use, cause polished rod eccentric wear packing phenomenon, cause packing to reduce application life, after the damage, V-belt change in size because of the eccentric wear appearance, when continuing to add, be difficult to finish normal sealing, all must have been added the V-belt and all withdraw from, and stop oil pumping work, have a strong impact on oil recovery production efficiency.
Some other the type of setting upright polished rod sealer has also appearred in the prior art, as Chinese invention patent application number 91106160.6, a kind of sucker rod adjusting device is disclosed, this device is to be installed on the pumpingh well well head by well head oil pipe short circuit, when skew takes place to well head in the pumpingh well polished rod, this edge horizontal plane direction of adjusting rod of this device is gone to the offset direction, forward rotation adjusting rod then, the adjusting rod jacking turning rolls of precession, the roller contact is also supported polished rod, and it is concentric with well head to reach polished rod.But this device can not be realized automatic adjusting, and can regulate after needing to shut down, and therefore oil recovery production efficiency tool is had a significant impact, and also has complex structure, is difficult for the defective of installing.
In sum, there is frequent, the consumptive material labour of replacing packing in polished rod sealer in the prior art, has race, bleed phenomenon, and the assembly manipulation difficulty has a strong impact on problems such as oil recovery production efficiency.
The design people is at the oil field hole condition, after having summed up the deficiency that polished rod sealer exists in the prior art, researched and developed and of the present utility modelly had the function set upright, omnirange tuningout function, overcome the problems referred to above and the defective of present existence effectively in the polish rod seal device of one.
Summary of the invention
The technical problems to be solved in the utility model is: a kind of type polished rod sealer of setting upright is provided, to overcome the problem that occurs in the prior aries such as polished rod eccentric wear, be provided with and adopt spherical universal tuningout structure and flexible gland, improve the manual boosting-rod of polished rod sealer, reach that polished rod is set upright, the purpose of omnirange tuningout.
For this reason, a kind of type polished rod sealer of setting upright of the present utility model, wherein, the sealing utensil has a main body, is the dimple of a sphere at the top of main body, is a back taper type cavity under dimple, is provided with deflector in the bottom of cavity, is provided with spray-proof ball in cavity; Described main body top is provided with packing cavity, outside, packing cavity lower end is a spherical segment, the switch of this spherical segment matches with the spherical receptacle of described main body, and embed wherein, be provided with a supporting positive cover in the described spherical segment, the described spherical segment outside is provided with sealing shroud with the joint portion of main body, and the spherical segment of the described packing cavity of a spheroid gland fit is connected described packing cavity with described main body; The top of described packing cavity is provided with guide body, is provided with adapter sleeve and rotating disc in the guide body upper outside.
The aforesaid type polished rod sealer of setting upright, wherein, described deflector, tapered recess and spherical receptacle are coaxial being symmetrical arranged, and a perforation connects the joint portion of described deflector, tapered recess and spherical receptacle, and described polished rod is in this perforation.
The aforesaid type polished rod sealer of setting upright wherein, is provided with the line with respect to main center, the pod apertures that axis is tilting laterally around the perforation of described deflector.
The aforesaid type polished rod sealer of setting upright, wherein, described spherical segment inside has a stage portion, and the periphery of described supporting positive cover matches with this stage portion, and the median pore diameter of described supporting positive cover hypomere is the diameter of polished rod.
The aforesaid type polished rod sealer of setting upright, wherein, described spherical segment inside is inner conical, and the periphery of described supporting positive cover is male-tapered, and matches with the inner conical of described spherical segment, and the median pore diameter of described supporting positive cover hypomere is the diameter of polished rod.
The aforesaid type polished rod sealer of setting upright, wherein, described supporting positive cover interior week form the trapezoid cross section.
The aforesaid type polished rod sealer of setting upright, wherein, the middle part of described guide body is provided with a circle flange, and the guide body on this flange top is arranged on the packing cavity upside, the following guide body of this flange is embedded in the packing cavity, and an adapter sleeve is nested with the outside at described flange and packing cavity.
The aforesaid type polished rod sealer of setting upright, wherein, adapter sleeve is provided with handle set, between adapter sleeve and the packing cavity for being threaded, the rotating disc of establishing on adapter sleeve top, this rotating disc and guide body are fixed as one, and guide body is connected and fixed by adapter sleeve and packing cavity.
The aforesaid type polished rod sealer of setting upright, wherein, guide body is provided with the dovetail groove of tool guidance function, promising the compressing in dovetail groove lower end and the radian section that is provided with.
The aforesaid type polished rod sealer of setting upright, wherein, the diameter of spray-proof ball deducts the polished rod radius greater than described polished rod diameter less than maximum radius on the cavity.
Compared with prior art, of the present utility modelly set upright advantage and the characteristics that the type polished rod sealer possesses and be:
1, the type polished rod sealer of setting upright of the present utility model has the polished rod erection device, can effectively prevent to reduce because of the packing life-span of polished rod eccentric wear appearance in the course of work, and use field condition according to oil field actual conditions and oil recovery worker, manual boosting-rod to polished rod sealer improves, with known fixedly welded type, change the detachable handle formula into, use, avoid stolen with handled easily.
2, the type polished rod sealer of setting upright of the present utility model adopts common old belt to do encapsulant; once adding one (about 1m) can use more than 1 year; promote by on probation; can solve the existing deficiency of polished rod sealer in the past effectively, after use a period of time, when the oil impregnate phenomenon occurring; need not shut down; only need be by detachable handle to be inserted handle set, rotary handle driven rotary dish, guide body are rotated simultaneously and are compressed belt downwards and get final product, thereby have improved the economic benefit of recovering the oil and producing greatly.
3, of the present utility model set upright the type polished rod sealer simple in structure durable, volume is little, in light weight, easy to operate, be applicable to any hole condition.Adopt the wear-resistant flexible sealing shroud, effectively sealing is by the tuningout portion that the spherical segment that is arranged on spherical receptacle on the main body and packing cavity bottom constitutes, and operates more easyly, seals more reliable.
4, the type polished rod sealer of setting upright of the present utility model adopts spherical universal tuningout structure, can realize 360 ° of automatic deflection adjustings, the inclination angle is adjusted in reciprocating motion according to polished rod automatically, when disconnected the taking off of polished rod appearance accident, utilization is arranged on the interior spray-proof ball of tapered recess of the utility model body interior, moment is from movable sealing polished rod perforation, in case gusher, bleed.
Description of drawings
Fig. 1 is a structure sectional view of setting upright the type polished rod sealer of the present utility model;
Fig. 2 is for setting upright the front view of type polished rod sealer guide body among Fig. 1;
Fig. 3 is along the sectional view of A-A among Fig. 2;
Fig. 4 is the structure sectional view of type polished rod device when polished rod axis and vertical line generation skew of setting upright of the present utility model.
The specific embodiment
Now contrast accompanying drawing, describe structure, function and the effect of setting upright the type polished rod sealer of the present utility model in detail.
Please at first referring to Fig. 1, it is a structure sectional view of setting upright the type polished rod sealer of the present utility model, and this moment, the axis and the vertical line of polished rod 11 coincided.The type polished rod sealer of setting upright of the present utility model comprises main body, packing cavity, spheroid gland, sealing shroud, supporting positive cover, guide body, rotating disc, adapter sleeve, handle set, spray-proof ball, deflector.
The type polished rod sealer of setting upright of the present utility model is provided with a main body 1, at the top of main body 1 is the dimple 13 of a sphere, at dimple is for 13 times a tapered cavity 14, be provided with deflector 10 in the bottom of cavity 14, deflector 10, cavity 14 and dimple 13 constitute described main body 1 for coaxial being symmetrical arranged, one perforation 21 connects the joint portion of described deflector 10, cavity 14 and dimple 13, and described polished rod 11 please cooperate referring to Fig. 4 in this perforation 21.The upper opening of described tapered cavity 14 is a back taper type less than lower openings.
Be provided with the tilting pod apertures 15 in the center line O-O outside of the relative main body 1 of axis around the perforation of deflector 10.Be provided with spray-proof ball 9 in cavity 14, the diameter of spray-proof ball 9 deducts polished rod 11 radius r greater than the diameter of polished rod 11 less than the maximum radius R in the cavity 14.
The top of main body 1 is provided with packing cavity 2, packing cavity 2 is roughly the cylindric of a hollow, the outside, lower end is a spherical segment 16, this spherical segment 16 matches with the spherical receptacle 13 of described main body 1, and can embed wherein, have a stage portion in spherical segment 16 inside, a periphery is planted in described spherical segment 16 with supporting positive cover 5 embeddings that the stage portion of described spherical segment 16 inside matches, interior week is provided with the trapezoid cross section, and the opening diameter of supporting positive cover 5 hypomeres matches with polished rod 11 diameters.On the joint portion of spherical segment 16 outsides and main body 1, be provided with sealing shroud 4, one spheroid gland 3 is sleeved on the outside of the spherical segment 16 of described packing cavity 2, spherical segment 16 removably is pressed together on the main body 1, and as shown in Figure 1, described spheroid gland 3 is fixedlyed connected with main body 1 by screw thread.Certainly, above-mentioned supporting positive cover 5 is an embodiment only with the cooperating of spherical segment 16 of the outside, lower end of packing cavity 2, is not limited to this stage portion and cooperates, as long as described supporting positive cover 5 is embedded in this spherical segment 16, and can not deviate to get final product from the bottom of spherical segment 16.For example can adopt the back taper fit structure of lower diameter, the taper that matches that forms in interior week of the periphery of promptly described supporting positive cover 5 and spherical segment 16 less than upper diameter.
The top of packing cavity 2 is provided with guide body 12, the middle part of guide body 12 is provided with a circle flange 17, the guide body 12 on these flange 17 tops is protruded and is arranged on packing cavity 2 upsides, the guide body 12 of this flange below 17 is embedded in the packing cavity 2, one adapter sleeve 7 is nested with the outside at described flange 17 and packing cavity 2, adapter sleeve 7 is provided with fastening handle set 8, between adapter sleeve 7 and the packing cavity 2 for being threaded.One rotating disc 6 is set in guide body 12 peripheries, and is positioned at the top of described adapter sleeve 7.This rotating disc 6 is fixed, is utilized the flange 17 of guide body 12 to be connected on the assembly of guide body 12, rotating disc 6 adapter sleeve 7 with guide body 12 welding.It is fixing that guide body 12 and the assembly of rotating disc 6 are threaded with packing cavity 2 by adapter sleeve 7, and guarantee to rotate flexibly.Above-mentioned rotating disc 6 and described guide body 12 also can be to be made into integration, to improve its intensity.
See also Fig. 2 and 3, Fig. 2 is for setting upright the front view of type polished rod sealer guide body 12 among Fig. 1, and Fig. 3 is for setting upright type polished rod sealer guide body 12 sectional views along the A-A line among Fig. 2.Guide body 12 is provided with the dovetail groove 18 with guidance function, dovetail groove promising the compressing in 18 lower ends and the radian section 19 that is provided with.When assembling is installed, screw in an amount of airtight and watertight padding by dovetail groove 18 earlier, then, clockwise direction rotates rotating disc 6 with handle, and guide body 12 drives filler and is pressed into packing cavity gradually.
The type polished rod sealer operating principle of setting upright of the present utility model is that main body 1 top is provided with spherical receptacle 13, cooperate with filler spherical segment 16, press with spheroid gland 3 and to have flexible gland 4 wear-resisting, withstand voltage properties, realize the sealing of spherical segment 16 cooperation places, and packing cavity 2 is connected with described main body 1 with spheroid gland 3.The supporting positive cover 5 that is provided with in the packing cavity 2 has higher anti-wear performance, and is processed with the trapezoidal endoporus of band tapering.
During this utility model work, polished rod 11 moves back and forth in perforation 21 vertically, when mounted, with the angle difference of wellhead assembly, adjust packing cavity spherical segment 16, the center of packing cavity 2 is overlapped with the well head center, and placed in the middle with supporting positive cover 5 pressure polished rods, avoid polished rod 11 eccentric wear airtight and watertight paddings, please cooperate referring to Fig. 4, for polished rod 11 is in an example of heeling condition, expression polished rod 11 has the shift state of 2 degree with vertical line.Guide body 12 with guidance function, the dovetail groove 18 that utilizes laterally disposed suitable V-belt shape to pass through guides the V-belt to enter packing cavity 2 effectively, and compresses gradually.Guarantee radially to tighten after the filler V-belt enters, thereby hold polished rod 11 tightly, reach the purpose of sealing.The bottom of main body 1 and rod-pumped well are with being threaded, and additional spray-proof ball 9, deflector 10 in the main body 1 are under no blowout situation, spray-proof ball 9 is free floating in main body cavity 14, and when gas blowout accident occurring, blowout liquid is with the impacting with high pressure spray-proof ball, block the main body endoporus rapidly, realize blowout prevention.When the oil impregnate phenomenon occurring, handle is inserted in the handle set 8 on the rotating disc 6, clockwise rotate rotating disc 6 and guide body 12, utilize guide body 12 that the V-belt is screwed in packing cavity 2, with described fill out chamber 2 fill full, to abundant sealing leakproof.
The type polished rod sealer of setting upright of the present utility model reduces by the packing life-span that occurs because of the polished rod eccentric wear in the effective preventing and controlling process of polished rod erection device is set on the basis in conjunction with intrinsic polished rod sealer product structure, performance characteristics.After increasing erection device, the tuningout function of polished rod sealer self spheroid adds erection device of the present utility model, and effectively fixedly polished rod overcomes the eccentric wear of polished rod to sealed packing with respect to the aligning of this product center line, thereby increase the service life, reduce the oil producing operation cost; The detachable handle device prevents that boosting-rod is stolen influences normal running; The wear-resistant flexible sealing shrouds 4 that are arranged in main body 1 and the spheroid gland 3 are matched by spherical segment 16 with described packing cavity bottom, can effectively seal, and operate more easyly, seal more reliable.
Only the above person only is a specific embodiment of the utility model, can not limit the scope that the utility model is implemented with it.So the amplification of its equivalent assemblies is dwindled, displacement, or, all still belong to the covering scope of the utility model claims according to equivalent variations and modification that the utility model scope of patent protection is done.
Claims (10)
1, a kind of type polished rod sealer of setting upright, it is characterized in that: the sealing utensil has a main body, is the dimple of a sphere at the top of main body, is a back taper type cavity under dimple, is provided with deflector in the bottom of cavity, is provided with spray-proof ball in cavity; Described main body top is provided with packing cavity, outside, packing cavity lower end is a spherical segment, the switch of this spherical segment matches with the spherical receptacle of described main body, and embed wherein, be provided with a supporting positive cover in the described spherical segment, the described spherical segment outside is provided with sealing shroud with the joint portion of main body, and the spherical segment of the described packing cavity of a spheroid gland fit is connected described packing cavity with described main body; The top of described packing cavity is provided with guide body, is provided with adapter sleeve and rotating disc in the guide body upper outside.
2, according to the type of the setting upright polished rod sealer of claim 1, it is characterized in that: described deflector, tapered recess and spherical receptacle are coaxial being symmetrical arranged, one perforation connects the joint portion of described deflector, tapered recess and spherical receptacle, and described polished rod is in this perforation.
3, according to the type of the setting upright polished rod sealer of claim 2, it is characterized in that: be provided with the line with respect to main center, the pod apertures that axis is tilting laterally around the perforation of described deflector.
4, according to the type of the setting upright polished rod sealer of claim 1, it is characterized in that: described spherical segment inside has a stage portion, and the periphery of described supporting positive cover matches with this stage portion, and the median pore diameter of described supporting positive cover hypomere is the diameter of polished rod.
5, according to the type of the setting upright polished rod sealer of claim 1, it is characterized in that: described spherical segment inside is inner conical, the periphery of described supporting positive cover is male-tapered, and matches with the inner conical of described spherical segment, and the median pore diameter of described supporting positive cover hypomere is the diameter of polished rod.
6, according to the type of the setting upright polished rod sealer of claim 1 or 4 or 5, it is characterized in that: described supporting positive cover interior week form the trapezoid cross section.
7, according to the type of the setting upright polished rod sealer of claim 1, it is characterized in that: the middle part of described guide body is provided with a circle flange, the guide body on this flange top is arranged on the packing cavity upside, the following guide body of this flange is embedded in the packing cavity, and an adapter sleeve is nested with the outside at described flange and packing cavity.
8, according to the type of the setting upright polished rod sealer of claim 1 or 7, it is characterized in that: adapter sleeve is provided with handle set, between adapter sleeve and the packing cavity for being threaded, the rotating disc of establishing on adapter sleeve top, this rotating disc and guide body are fixed as one, and guide body is connected and fixed by adapter sleeve and packing cavity.
9, according to the type of the setting upright polished rod sealer of claim 1 or 7, it is characterized in that: guide body is provided with the dovetail groove of tool guidance function, promising the compressing in dovetail groove lower end and the radian section that is provided with.
10, according to the type of the setting upright polished rod sealer of claim 1, it is characterized in that: the diameter of spray-proof ball deducts the polished rod radius greater than described polished rod diameter less than maximum radius on the cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620123509 CN200952375Y (en) | 2006-08-01 | 2006-08-01 | Centering polished rod sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620123509 CN200952375Y (en) | 2006-08-01 | 2006-08-01 | Centering polished rod sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200952375Y true CN200952375Y (en) | 2007-09-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620123509 Expired - Fee Related CN200952375Y (en) | 2006-08-01 | 2006-08-01 | Centering polished rod sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200952375Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781468A (en) * | 2016-03-02 | 2016-07-20 | 中国石油天然气股份有限公司 | Wellhead polish rod sealing device with blowout preventing valve |
-
2006
- 2006-08-01 CN CN 200620123509 patent/CN200952375Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781468A (en) * | 2016-03-02 | 2016-07-20 | 中国石油天然气股份有限公司 | Wellhead polish rod sealing device with blowout preventing valve |
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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: 20070926 Termination date: 20130801 |