CN2530025Y - Anti-theft anti-spurting and anti-deflection polished rod sealing device - Google Patents
Anti-theft anti-spurting and anti-deflection polished rod sealing device Download PDFInfo
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- CN2530025Y CN2530025Y CN 02212627 CN02212627U CN2530025Y CN 2530025 Y CN2530025 Y CN 2530025Y CN 02212627 CN02212627 CN 02212627 CN 02212627 U CN02212627 U CN 02212627U CN 2530025 Y CN2530025 Y CN 2530025Y
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- head
- chopped
- hole
- packing box
- polarized light
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Abstract
A theftproof, blowout-proof and polarized light proof sealer for an oil pumping well in an oil field, comprising a primary sealing assembly, a secondary sealing assembly and a polarized light proof assembly. The primary sealing assembly is arranged on an upper part, the secondary sealing assembly is positioned in a middle part and the polarized light proof assembly is disposed on a lower part. A sliding sleeve in the primary sealing assembly is in sliding connection with a press-cap through an annular boss on the upper part of the press-cap, an internal thread of the press-cap is connected with an external screw thread on the upper part of the primary packing box, the external screw thread at a the lower part of the primary packing box is connected with the internal thread on the upper part of the secondary packing box, two seal rings are provided on the lower part of the screw thread, a secondary packing is arranged at a bottom of a cavity of the secondary packing box, a hollow protective ring is positioned on the upper part of the screw thread, an upper flange is disposed on the upper part of the polarized light proof body, the bottom of the polarized light proof body is a spherical cap shape, the polarized light proof body is filled with an annular empty cavity for preventing the sphere ejection, a seal gasket is provided on the lower part of the polarized light proof body, a connecting screw thread or a clip head is integrated with the lower flange and is arranged at the bottom of the polarized light proof body, the upper and lower flanges fixedly integrates a polarized light adjusting body with the seal gasket through a connecting bolt. The utility model has simple structure, excellent theftproof, blowout-proof and polarized light proof sealing performance and is be worthy of application and popularization.
Description
One, technical field
The utility model relates to the anti-polarisation rod seal device of the antitheft blowout prevention of a kind of pumpingh well.
Two, background technology
At present, in the oilfield pumping well manufacturing process, the polished rod sealer accessory is often stolen, also be the breach that the lawless person steals crude oil simultaneously, had a strong impact on the pumpingh well ordinary production, not only cause the crude oil loss, but also cause environment pollution, disconnected simultaneously bar oil spout and well head deflection remain and are restricting the key factor that the pumpingh well managerial skills improve, by retrieval, collect antitheft, blowout prevention, the anti-relatively polished rod sealer of one does not also have, as: " new type of rod sealing unit " patent No.: 95234681.8, " oil pumping polish rod metallic seal device " patent No.: 9922044.5, though the former has anti-theft feature, but the bottom connecting bolt is non-anti-theft, and does not have the blowout prevention function, though and the latter has the blowout prevention function, but can not be antitheft, and the two is the taper liner tuningout, manually adjusts the centering weak effect, and it is big to adjust difficulty.
In view of the above-mentioned weak point of prior art, the purpose of this utility model designs the anti-polarisation rod seal device of the antitheft blowout prevention of a kind of pumpingh well exactly.
Three, summary of the invention:
The purpose of this utility model is realized by following technical proposals:
The anti-polarisation rod seal device of the antitheft blowout prevention of this pumpingh well is by by chopped-off head sealed packing assembly, the secondary seal assembly, anti-inclined to one side assembly three parts are formed, it is characterized in that: the chopped-off head seal assembly is positioned at top, the secondary seal assembly is positioned at the middle part, anti-inclined to one side assembly is positioned at the bottom, the chopped-off head seal assembly comprises: sliding sleeve, pressure cap, gland, the chopped-off head packing box, the chopped-off head packing, on, lower spring cup, spring, sliding sleeve is slidingly connected together by annular boss and the pressure cap that makes progress in pressure cap top week, the pressure cap internal thread is connected with chopped-off head packing box external screw thread, be the gland that is positioned at chopped-off head packing box inside successively below the pressure cap top, the chopped-off head packing, upper spring seat, spring, lower spring cup, the external screw thread of chopped-off head packing box is connected with secondary packing box upper internal threaded in the secondary seal assembly, the secondary seal assembly comprises secondary packing box, secondary packing, sealing ring, retaining ring, positioning bolt, secondary packing box intracavity bottom is a horn mouth, the secondary packing of one spiral bicone is housed, its top excircle upwards is a hollow retaining ring, uniform four positioning bolts in the retaining ring, secondary packing box bottom is integrally welded with the anti-inclined to one side body top in the anti-inclined to one side assembly; Anti-inclined to one side assembly comprises: anti-inclined to one side body, spray-proof ball, pad, upper flange, lower flange, thread or clip head, connecting bolt, anti-inclined to one side body top is a thin neck footpath, its length is greater than upper flange thickness, there is a through hole at the upper flange center, bore is greater than following bore on the through hole, 6-8 bolt hole arranged on the periphery, anti-inclined to one side body bottom is spherical, there is a through hole at the center, the top through hole is greater than the spray-proof ball diameter, inside is the toroidal cavity that holds spray-proof ball, lower through-hole is a horn mouth, straight apertures is less than the spray-proof ball external diameter, and anti-inclined to one side body bottom is a sealing mat corresponding with it, and the bottom is thread or the clip head with the lower flange one, there is a through hole identical with the well head threeway at its center, the lower flange periphery has 6-8 and the corresponding tapped through hole of upper flange, on, lower flange connects by connecting bolt, with the tuningout body and sealing mat is fixedly connected is integral.
There is a blind hole at pressure cap middle part in the anti-polarisation rod seal device chopped-off head seal assembly of the antitheft blowout prevention of above-mentioned pumpingh well, and is corresponding with the through hole on its outside sliding sleeve, and blind hole diameter is greater than through-hole diameter, so that with unloading pressure cap on the eave tile spanner.
Chopped-off head packing box in the anti-polarisation rod seal device chopped-off head seal assembly of the antitheft blowout prevention of above-mentioned pumpingh well is a cylindrical shape, in, top is external screw thread, and external diameter is greater than lower outer diameter, there are four locating slots at the middle part, the twice cannelure is arranged at the bottom, be used to place sealing ring, there is a through hole at the center, one step is arranged at the bottom, aperture, step top is greater than the aperture, bottom, be used to place the vestibule of chopped-off head packing and upper and lower spring base, spring, aperture, step bottom is greater than the polished rod diameter, and the bottom has a horn mouth corresponding with the secondary packing of bicone spiral.
Four through holes that upwards have in hollow retaining ring week in the polarisation rod seal device secondary seal assembly are prevented in the antitheft blowout prevention of above-mentioned pumpingh well, through-hole diameter is less than positioning bolt head diameter, through hole and bolt head end face have certain distance, make bolt draw off chopped-off head packing box locating slot and are unlikely to deviate from.
Sealing mat in the anti-inclined to one side assembly of the anti-polarisation rod seal device blowout prevention of the antitheft blowout prevention of above-mentioned pumpingh well is a disc, is the spherical crown inner surface above, is the plane below, and there is a through hole at the center, forms with the manufacturing of red copper material.
Connecting bolt head in the anti-inclined to one side assembly of the anti-polarisation rod seal device of the antitheft blowout prevention of above-mentioned pumpingh well is semicircle, and the center is six side's blind holes in, and interior dress soft metal or non-metallic fillers, the other end are external screw thread.
Prevent polarisation rod seal device according to the antitheft blowout prevention of pumpingh well that such scheme is made, can prevent effectively that its accessory from losing with crude oil loses, guarantee the oil well ordinary production, disconnected bar blowout prevention not only can prevent the crude oil loss, and can avoid environment pollution, the spherical relatively easily processing of spherical pad, anti-inclined to one side effect is remarkable, angular displacement 0～8 degree, central horizontal displacement 0～16mm, polished rod and well head centering rate 100%, the withstand voltage 5Mpa that reaches reduces polished rod and packing frictional force, prolong packing application life, reduce the oil pumper frrction load, saves energy has good economic benefits and social benefit.
Four, description of drawings
Fig. 1-the utility model master looks and partly cuts open structural representation
The master of sealing mat 18 looks the complete section structural representation among Fig. 2-Fig. 1
Among the figure, 1-sliding sleeve, 2-pressure cap, 3-gland, 4-chopped-off head packing, 5-retaining ring, the 6-positioning bolt, 7-upper spring seat, 8-spring, 9-lower spring cup, 10-sealing ring, 11-chopped-off head packing box, 12-level packing box, 13-filler, 14-level packing, 15-upper flange, the 16-spray-proof ball, 17-prevents inclined to one side body, 18-sealing mat, 19-connecting bolt, 20-lower flange, the 21-thread, A-blind hole, B-driving hole, hexagonal hole in the C-locating slot, D-, the E-through hole, F-upper flange through hole, G-centre bore, H-ball chamber, I-horn mouth.
Five, the specific embodiment:
Below in conjunction with accompanying drawing enforcement of the present utility model is further elaborated:
Chopped-off head seal assembly in the utility model is positioned at top, the secondary seal assembly is positioned at the middle part, the anti-inclined to one side assembly of blowout prevention is positioned at the bottom, the chopped-off head seal assembly comprises sliding sleeve (1), pressure cap (2), gland (3), chopped-off head packing (4), upper spring seat (7), spring (8), lower spring cup (9), sliding sleeve (1) is slidingly connected together by annular boss and the pressure cap (2) that makes progress in pressure cap (2) top week, pressure cap (2) internal thread is connected with chopped-off head packing box (11) external screw thread, below pressure cap (2) top is successively to be positioned at the inner gland (3) of chopped-off head packing box (11), chopped-off head packing (4), upper spring seat (7), spring (8), lower spring cup (9), the external screw thread on chopped-off head packing box (11) top is connected with secondary packing box (12) upper internal threaded in the secondary seal assembly; The secondary seal assembly comprises secondary packing box (12), secondary packing (14), sealing ring (10), retaining ring (5), positioning bolt (6), secondary packing box (12) bottom is a horn mouth, the secondary packing of one spiral bicone (14) is housed, its top excircle upwards is hollow retaining ring (5), uniform four positioning bolts (6) in the retaining ring (5), secondary packing box (12) bottom is integrally welded with anti-inclined to one side body (17) top in the anti-inclined to one side assembly; The anti-inclined to one side assembly of blowout prevention comprises: anti-inclined to one side body (17), spray-proof ball (16), sealing mat (18), upper flange (15), lower flange (20), thread (21) or clip head, connecting bolt (19), anti-inclined to one side body (17) top is a thin neck footpath, its length is greater than upper flange (15) thickness, on upper flange (15) periphery 6～8 bolt holes are arranged, there is a through hole (F) at the center, last bore is greater than following bore, anti-inclined to one side body (17) bottom is spherical, there is a through hole at the center, top through hole (G) is greater than the spray-proof ball diameter, inside is the toroidal cavity (H) that holds spray-proof ball (16), lower through-hole is a horn mouth (I), straight apertures is less than spray-proof ball (16) external diameter, anti-inclined to one side body (17) bottom is a sealing mat (18) corresponding with it, the bottom is lower flange (20), there is a through hole identical with the well head threeway at its center, 6～8 and the corresponding tapped through hole of upper flange (15) are arranged on lower flange (20) periphery, upper flange (15), lower flange (20) connects by connecting bolt, will prevent inclined to one side body (17) and fixedly connected being integral of pad (18).
Its antitheft principle is: after sliding sleeve (1) rotation, blind hole (A) dislocation on driving hole (B) on the sliding sleeve (1) and the pressure cap (2), on must catch on driving hole (B), blind hole (A) simultaneously with special spanner when unloading pressure cap (2), can on unload pressure cap (2), thereby play antitheft effect; Through hole (E) on the retaining ring (5) is less than positioning bolt (6) bolt head diameter, and with special spanner insert in positioning bolt (6) the bolt head hexagonal hole (D) can on unload positioning bolt (6), thereby prevent that positioning bolt (6) from losing; It on the bolt head of connecting bolt (19) square hole in, after adjusting, with special tool connecting bolt (19) is tightened, then pound in the interior square hole, when readjusting as lead, zinc or other material with the soft metal, must above-mentioned material be taken out with electric drill or other instrument, can adjust, adjustment finishes, and seals up again, thereby play antitheft effect, guarantee the oil well ordinary production.
Anti-offset adjusting method is as follows:
Anti-polarisation rod seal device thread (21) of the antitheft blowout prevention of pumpingh well or clip head are connected with well head, make oil pumping polish rod add load, unload loose connecting bolt (19), then the polished rod horizontal movement is adjusted automatically, adds the chopped-off head packing, sees whether polished rod and well head exist angular displacement, if have, only the connecting bolt (19) that need will locate partially is once fastening, and opposite connecting bolt (19) is slightly unlayed, and angular displacement can be adjusted.
Sealing principle: special-purpose eave tile spanner catches on sliding sleeve (1) driving hole (B) pressure cap (2) blind hole (A), when turning clockwise, pressure cap (2) presses down gland (3), and gland (3) compresses chopped-off head sealed packing (4), in pumpingh well is produced, polished rod and chopped-off head sealed packing (4) be wearing and tearing constantly, under the effect of spring (8), spring force constantly compensates, and improves sealing effectiveness, thereby reduce the number of times of artificial tight chopped-off head packing (4), alleviate working strength of workers.
Claims (6)
1. polarisation rod seal device is prevented in the antitheft blowout prevention of pumpingh well, by the chopped-off head seal assembly, the secondary seal assembly, anti-inclined to one side assembly three parts are formed, it is characterized in that: the chopped-off head seal assembly is positioned at top, the secondary seal assembly is positioned at the middle part, anti-inclined to one side assembly is positioned at the bottom, the chopped-off head seal assembly comprises: sliding sleeve, pressure cap, gland, the chopped-off head packing box, the chopped-off head packing, on, lower spring cup, spring, sliding sleeve is slidingly connected together by annular boss and the pressure cap that makes progress in pressure cap top week, the pressure cap internal thread is connected with chopped-off head packing box upper external thread, be the gland that is positioned at chopped-off head packing box inside successively below the pressure cap top, the chopped-off head packing, upper spring seat, spring, lower spring cup, the external screw thread of chopped-off head packing box is connected with secondary packing box upper internal threaded in the secondary seal assembly, the two seals circle is arranged at the screw thread bottom, the secondary seal assembly comprises secondary packing box, secondary packing, retaining ring, positioning bolt, secondary packing box intracavity bottom is a horn mouth, the secondary packing of one spiral bicone is housed, its top excircle upwards is a hollow retaining ring, uniform four positioning bolts in the retaining ring, secondary packing box bottom is integrally welded with the anti-inclined to one side body in the anti-inclined to one side assembly; Anti-inclined to one side body assembly comprises: anti-inclined to one side body, spray-proof ball, pad, upper flange, lower flange, thread or clip head, connecting bolt, anti-inclined to one side body top is a thin neck footpath, upper flange is housed, there is a through hole at the upper flange center, last bore is greater than following bore, 6-8 bolt hole arranged on the periphery, anti-inclined to one side body bottom is spherical, there is a through hole at the center, the top through hole is greater than the spray-proof ball diameter, and inside is the toroidal cavity that holds spray-proof ball, and the bottom is a horn mouth, straight apertures is less than the spray-proof ball diameter, anti-inclined to one side body bottom is the sealing mat corresponding with it, and the bottom is screw thread or the clip head that is connected with lower flange, and there is a through hole identical with the well head threeway at its center, the lower flange periphery has 6-8 and the corresponding tapped through hole of upper flange, on, lower flange by connecting bolt with the tuningout body and sealing mat is fixedly connected is integral.
2. polarisation rod seal device is prevented in the antitheft blowout prevention of pumpingh well according to claim 1, it is characterized in that: there is a blind hole at the pressure cap middle part in the chopped-off head seal assembly, and is corresponding with the through hole on its outside sliding sleeve, and blind hole diameter is greater than through-hole diameter.
3. polarisation rod seal device is prevented in the antitheft blowout prevention of pumpingh well according to claim 1, it is characterized in that: the chopped-off head packing box in the chopped-off head seal assembly is a cylindrical shape, the middle and upper part is an external screw thread, and external diameter is greater than lower outer diameter, and there are four locating slots at the middle part, and the twice cannelure is arranged at the bottom, there is a through hole at the center, one step is arranged at the bottom, and aperture, step top is greater than the aperture, bottom, and a horn mouth is arranged at the bottom.
4. polarisation rod seal device is prevented in the antitheft blowout prevention of pumpingh well according to claim 1, it is characterized in that: in the secondary seal assembly four through holes are upwards arranged hollow retaining ring week, through-hole diameter is less than positioning bolt head diameter, and through hole and bolt head end face have certain distance.
5. polarisation rod seal device is prevented in the antitheft blowout prevention of pumpingh well according to claim 1, it is characterized in that: the sealing mat in the anti-inclined to one side assembly is a disc, is the spherical crown inner surface above, is the plane below, and there is a through hole at the center, forms with the manufacturing of red copper material.
6. polarisation rod seal device is prevented in the antitheft blowout prevention of pumpingh well according to claim 1, it is characterized in that: the connecting bolt bolt head in the anti-inclined to one side assembly is semi-circular, and the center is six side's blind holes in, and interior dress soft metal or non-metallic fillers, the other end are external screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02212627 CN2530025Y (en) | 2002-01-31 | 2002-01-31 | Anti-theft anti-spurting and anti-deflection polished rod sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02212627 CN2530025Y (en) | 2002-01-31 | 2002-01-31 | Anti-theft anti-spurting and anti-deflection polished rod sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2530025Y true CN2530025Y (en) | 2003-01-08 |
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ID=33692273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02212627 Expired - Fee Related CN2530025Y (en) | 2002-01-31 | 2002-01-31 | Anti-theft anti-spurting and anti-deflection polished rod sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2530025Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044267A (en) * | 2017-02-24 | 2017-08-15 | 加加力重钢江苏有限公司 | A kind of polished rod sealer |
| CN108240194A (en) * | 2016-12-23 | 2018-07-03 | 中国石油天然气股份有限公司 | Rod-pumped well sealing device and pumping unit |
| CN110005360A (en) * | 2019-03-19 | 2019-07-12 | 大庆丹诺石油科技开发有限公司 | Oil-field oil pumper well mouth sealing device |
-
2002
- 2002-01-31 CN CN 02212627 patent/CN2530025Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108240194A (en) * | 2016-12-23 | 2018-07-03 | 中国石油天然气股份有限公司 | Rod-pumped well sealing device and pumping unit |
| CN107044267A (en) * | 2017-02-24 | 2017-08-15 | 加加力重钢江苏有限公司 | A kind of polished rod sealer |
| CN110005360A (en) * | 2019-03-19 | 2019-07-12 | 大庆丹诺石油科技开发有限公司 | Oil-field oil pumper well mouth sealing device |
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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 |