CN2731079Y - Wearing-resisting smooth rod seal device for oil pumping well head - Google Patents
Wearing-resisting smooth rod seal device for oil pumping well head Download PDFInfo
- Publication number
- CN2731079Y CN2731079Y CN 200420108253 CN200420108253U CN2731079Y CN 2731079 Y CN2731079 Y CN 2731079Y CN 200420108253 CN200420108253 CN 200420108253 CN 200420108253 U CN200420108253 U CN 200420108253U CN 2731079 Y CN2731079 Y CN 2731079Y
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- sphere
- rod packing
- rod
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- Expired - Fee Related
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Abstract
The utility model provides a wearing-resisting smooth rod seal device for oil pumping well head. The model comprises a rod packing case and a rod packing case pressing cap. The lower of the rod packing case is in sequence connected with a first stage seal device, an intermediate connecting pipe and a second stage seal device. Seal blocks are arranged in the first stage seal device and the second stage seal device. The lower of the second stage seal device is provided with a smooth rod deviation correcting device. The special point of the model is that an internal sleeve is arranged in the rod packing case. The upper of the internal sleeve is provided with a fine wearing-resisting ceramic sleeve. The rod packing composed of a rod packing upper body and a rod packing lower body folded falls in the internal sleeve. The contact face of the rod packing upper body and the rod packing lower body is a pyramidal face. A spring pressing piece is provided between the top face of the fine wearing-resisting ceramic sleeve and the rod packing case pressing cap. A spring ring is provided between the rod packing case and the internal sleeve. The advantages of the model are: the stress of a pumping rod is uniform and the eccentric center of the pumping rod can be adjusted. The model has the good seal property and the wearing-resistance of the model is strengthened. The utility model prolongs the durability of the rod packing and sealing blocks and decreases the maintenance load.
Description
Technical field
The utility model relates to the wear-resisting polished rod sealer of a kind of mouth of pumped oil well.
Background technology
The mouth of pumped oil well polished rod sealer is a requisite sealing device during oil recovery is produced.Polished rod sealer on the existing oil well mouth is to be made of sealing device and packing box, is provided with the rubber packing in packing box.The problem of its existence is: unbalance stress during the oil pumping polish rod oil pumping, and the packing quick abrasion, maintenance load is big.
Summary of the invention
The purpose of this utility model is to solve the problems referred to above that prior art exists, the wearing and tearing that a kind of good sealing effect, anti-wear performance are good, can effectively alleviate rubber packing and sealing device are provided, prolong the application life of sealing device, reduce the wear-resisting polished rod sealer of mouth of pumped oil well of maintenance load.
The utility model is achieved in that it has a packing box, the packing box pressure cap, be connected with first order sealing device in turn in the packing box bottom, intermediate connection tube and second level sealing device, in first order sealing device and second level sealing device, be provided with sealing block, be provided with the polished rod deviation correcting device in sealing device lower end, the second level, its special character is to be provided with interior cover in the said packing box, be provided with meticulous wear-resistant ceramic cover on interior cover top, in interior cover, fold and fall to having the packing that constitutes by packing upper body and packing lower body, said packing upper body, the contact surface of packing lower body is the conical surface, between meticulous wear-resistant ceramic cover end face and packing box pressure cap, be provided with spring pressuring plate, between packing box and interior cover, be provided with ring spring.
The wear-resisting polished rod sealer of above-mentioned mouth of pumped oil well, said polished rod deviation correcting device is made of sphere tuningout pipe, the sphere eccentric mounting that is arranged on sphere tuningout pipe bottom, the sphere gland that is used to connect sphere eccentric mounting and sphere tuningout pipe.
The wear-resisting polished rod sealer of above-mentioned mouth of pumped oil well, on the sidewall of packing box pressure cap, be provided with the blowout hookup installing hole, the place is equipped with blowout hookup at the blowout hookup installing hole, said blowout hookup is to be respectively the housing of inner port and external port, the steel ball and the steel ball seat that are placed on corresponding inner port place in the housing, the side cover that is installed in housing external port place, the spring that is arranged between steel ball seat and the side cover by two ends to constitute, with the generation that prevents gas blowout accident and avoid because of the pollution of blowout to environment.
The wear-resisting polished rod sealer of above-mentioned mouth of pumped oil well is installed with the wear-resistant seal filler at the sealing block inner surface, to improve the sealing effectiveness and the abrasion resistance properties of sealing device.
The wear-resisting polished rod sealer of above-mentioned mouth of pumped oil well, put at side and to be provided with conduction hole, the place is equipped with throttling arrangement at conduction hole, and said throttling arrangement is to be made of oil nozzle and the sealing cap that is arranged on oil nozzle outlet, on throttling arrangement, also be provided with helmet, to be used to draw crude oil.
The utility model has the advantages that: easy and simple to handle, reliable; Be provided with hardness height, high temperature resistant, wear-resisting, corrosion resistant meticulous wear-resistant ceramic cover and between packing box and interior cover, ring spring be set owing to cover in packing box, being provided with and interior putting, make sucker rod stressed even and eccentric adjustable, thereby raising sealing performance, strengthen abrasion resistance, prolong the application life of packing and sealing block, reduce maintenance load, reduce labor strength.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Among the figure: 1-packing box pressure cap, 2-packing box, 3-first order sealing device, 4-intermediate connection tube, 5-second level sealing device, 6-sphere tuningout pipe, 7-sphere gland, 8-sphere eccentric mounting, cover in the 9-blowout hookup, 10-, the 11-packing, 11A-packing upper body, 11B-packing lower body, the meticulous wear-resistant ceramic cover of 12-, the 13-spring pressuring plate, 14-ring spring, 15-shell, 16-axle head cover, 17-threaded mandrel, 18-stage clip, the 19-gland, 20-adapter sleeve, 21-sealing block, 22-wear-resistant seal filler, 23-attachment screw, 24-hold-down screw, the 25-helmet, 26-housing, 27-spring, the 28-steel ball seat, 29-steel ball, 30-side cover, the 31-throttling arrangement, 32-helmet, 33-oil pumping polish rod, the 34-oil nozzle, 35-sealing cap, 36-conduction hole.
The specific embodiment
As shown in the figure, the utility model has a packing box pressure cap 1, packing box 2, be connected with first order sealing device 3 in turn in packing box 2 lower ends, intermediate connection tube 4 and second level sealing device 5, be provided with the polished rod deviation correcting device in the lower end of second level sealing device 5, said polished rod deviation correcting device comprises a sphere tuningout pipe 6, be provided with sphere eccentric mounting 8 in sphere tuningout pipe 6 bottoms, the protruding sphere of said sphere tuningout pipe 6 is equipped mutually with the concave spherical surface of sphere eccentric mounting 8, between sphere tuningout pipe 6 and sphere eccentric mounting 8, be provided with the O RunddichtringO, in sphere eccentric mounting 8 side wall upper part by the sphere gland 7 that has been threaded, by sphere gland 7 sphere eccentric mounting 8 is connected with sphere tuningout pipe 6, screw sphere tuningout pipe 6 and sphere eccentric mounting 8 clockwise by sphere gland 7, play sealing function.Packing box pressure cap 1 and packing box 2 are by being threaded, packing box 2, first order sealing device 3, intermediate connection tube 4, second level sealing device 5 and sphere tuningout pipe 6 weld successively, on the sidewall of packing box pressure cap 1, be provided with the blowout hookup installing hole, the place is provided with blowout hookup 9 at the blowout hookup installing hole, said blowout hookup 9 is the housings 26 that are respectively inner port and external port by two ends, be placed on the steel ball 29 and the steel ball seat 28 at corresponding inner port place in the housing 26, be installed in the side cover 30 that housing 26 external port places and middle part are provided with conduction hole 36 by screw thread, be arranged on the spring 27 between steel ball seat 28 and the side cover 30, the throttling arrangement 31 that is installed in conduction hole 36 places constitutes, said housing 26 is welded on the packing box pressure cap 1, said throttling arrangement 31 is to be made of oil nozzle by being threaded in conduction hole 36 exits 34 and the sealing cap 35 that is arranged on oil nozzle 34 outlets, on throttling arrangement 31 also by the helmet 32 that has been threaded.Cover 10 in packing box 2, being equipped with, be placed with meticulous wear-resistant ceramic cover 12 on interior cover 10 tops, said meticulous wear-resistant ceramic overlaps 12 top outer rims and is provided with the card edge, in interior cover 10, fold and fall to having the packing 11 that constitutes by several packing upper body 11A and packing lower body 11B, said packing upper body 11A and packing lower body 11B are corresponding in twos, and the contact surface of packing upper body 11A and packing lower body 11B is the conical surface, overlap between 12 end faces and the packing box pressure cap 1 at meticulous wear-resistant ceramic and to be provided with spring pressuring plate 13, between packing box 2 and interior cover 10, be provided with ring spring 14.Said first order sealing device 3, second level sealing device 5 is respectively by shell 15, be arranged on the sealing block 21 that the employing elastomeric material in the shell 15 is made, be installed in the wear-resistant seal filler (22) of sealing block (21) inner surface, the gland 19 equipped with sealing block 21, be used to connect the attachment screw 23 of sealing block 21 and gland 19, with the adapter sleeve 20 of gland 19 by being threaded, by being threaded in the axle head cover 16 of shell 15 ends, be arranged on the threaded mandrel 17 in the axle head cover 16, be arranged on the stage clip 18 between threaded mandrel 17 and the attachment screw 23, the hold-down screw 24 that is arranged on shell 15 sidewalls reaches with axle head cover 16 and constitutes by the helmet 25 that is threaded, first order sealing device 3 and second level sealing device 5 are respectively the bilateral symmetry structure, and first order sealing device 3 and second level sealing device 5 overall structures, specification and measure-alike.
During installation, earlier the sealing device in the wear-resisting polished rod sealer of this mouth of pumped oil well is unclamped, and the wear-resisting polished rod sealer of this oil well mouth is sleeved on the sucker rod 33, make the sphere eccentric mounting 8 of the wear-resisting polished rod sealer of this oil well mouth below be connected on the pumpingh well and use locked clip device, hang up oil pumper, adjust sphere tuningout pipe 6 and align sucker rod 33, by sphere gland 7 locking sphere tuningout pipes 6, turn clockwise with packing box pressure cap 1 and to compress packing 11, sealing sucker rod 33, and install blowout hookup 9, make it to be in duty.Be positioned at the threaded mandrel 17 at two ends in the first order that turns clockwise the again sealing device 3, make stage clip 18 advance gland 19, drive sealing block 21 and hold sucker rod 33 tightly, can put into production.
When packing 11 wearing and tearing need to change, make shutdown of pumping machine, take out packing 11, change new packing and screw packing box pressure cap 1, compress packing 11.When 21 wearing and tearing of the sealing block in the first order sealing device 3 need to change, do not stop oil pumper, with the adjustment way of second level sealing device 5 by first order sealing device 3, make sealing block 21 hold sucker rod 33 tightly, the instrument that re-uses takes out the sealing block 21 in the first order sealing device 3, change new sealing block jacking, make the novel sealing piece hold sucker rod 33 tightly, unclamp the second level sealing device 5 of below again.
When sucker rod 33 fractures, the spring 27 in the blowout hookup 9 can advance steel ball 29 in the inner chamber of packing box pressing cap 1, seals the sealing device by oil well pressure, prevents blowout and less environmental contamination thereby play.
Claims (5)
1, the wear-resisting polished rod sealer of a kind of mouth of pumped oil well, comprise packing box (2), packing box pressure cap (1), be connected with first order sealing device (3) in turn in the packing box bottom, intermediate connection tube (4) and second level sealing device (5), in first order sealing device (3) and second level sealing device (5), be provided with sealing block (21), be provided with the polished rod deviation correcting device in second level sealing device (5) lower end, it is characterized in that: be provided with interior cover (10) in the said packing box (2), be provided with meticulous wear-resistant ceramic cover (12) on interior cover (10) top, in interior cover (10), fold and fall to having the packing (11) that constitutes by packing upper body (11A) and packing lower body (11B), the contact surface of said packing upper body (11A) and packing lower body (11B) is the conical surface, between meticulous wear-resistant ceramic cover (12) end face and packing box pressure cap (1), be provided with spring pressuring plate (13), between packing box (2) and interior cover (10), be provided with ring spring (14).
2, the wear-resisting polished rod sealer of mouth of pumped oil well according to claim 1 is characterized in that: said polished rod deviation correcting device is made of sphere tuningout pipe (6), the sphere eccentric mounting (8) that is arranged on sphere tuningout pipe (6) bottom, the sphere gland (7) that is used to connect sphere eccentric mounting (8) and sphere tuningout pipe (6).
3, the wear-resisting polished rod sealer of mouth of pumped oil well according to claim 1, it is characterized in that: on the sidewall of packing box pressure cap (1), be provided with the blowout hookup installing hole, at blowout hookup installing hole place blowout hookup (9) is installed, said blowout hookup (9) be by two ends be respectively inner port and external port housing (26), be placed on corresponding inner port place in the housing (26) steel ball (29) and steel ball seat (28), the side cover (30) that is connected with housing (26) external port, be arranged on spring (27) formation between steel ball seat (28) and the side cover (30).
4, the wear-resisting polished rod sealer of mouth of pumped oil well according to claim 1 is characterized in that: be installed with wear-resistant seal filler (22) at sealing block (21) inner surface.
5, the wear-resisting polished rod sealer of mouth of pumped oil well according to claim 1, it is characterized in that: on side cover (30), be provided with conduction hole (36), locate to be equipped with throttling arrangement (31) at conduction hole (36), said throttling arrangement (31) is by oil nozzle (34) and is arranged on sealing cap (35) formation that oil nozzle (34) exports, also be provided with helmet (32) on throttling arrangement (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420108253 CN2731079Y (en) | 2004-10-01 | 2004-10-01 | Wearing-resisting smooth rod seal device for oil pumping well head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420108253 CN2731079Y (en) | 2004-10-01 | 2004-10-01 | Wearing-resisting smooth rod seal device for oil pumping well head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2731079Y true CN2731079Y (en) | 2005-10-05 |
Family
ID=35051416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420108253 Expired - Fee Related CN2731079Y (en) | 2004-10-01 | 2004-10-01 | Wearing-resisting smooth rod seal device for oil pumping well head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2731079Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105108773A (en) * | 2015-08-20 | 2015-12-02 | 温州乐控节能科技有限公司 | Robot joint and robot |
| CN106639954A (en) * | 2017-03-09 | 2017-05-10 | 牡丹江市江丰石油仪表配件厂 | Fixed-torque packing box of rod pumping well |
| CN107842334A (en) * | 2017-11-30 | 2018-03-27 | 中国石油天然气股份有限公司 | Well head sealing device |
| CN108442898A (en) * | 2018-03-28 | 2018-08-24 | 柴志君 | Well head sealing means for oil prodn. well |
| RU203383U1 (en) * | 2021-01-11 | 2021-04-02 | Общество с ограниченной ответственностью "ЛУКОЙЛ-ПЕРМЬ" | A device for preventing the ingress of oily liquid onto the surface of the well pad in an accident with a scraper |
-
2004
- 2004-10-01 CN CN 200420108253 patent/CN2731079Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105108773A (en) * | 2015-08-20 | 2015-12-02 | 温州乐控节能科技有限公司 | Robot joint and robot |
| CN106639954A (en) * | 2017-03-09 | 2017-05-10 | 牡丹江市江丰石油仪表配件厂 | Fixed-torque packing box of rod pumping well |
| CN106639954B (en) * | 2017-03-09 | 2022-09-27 | 大庆市嘉钰机械制造有限公司 | Torque-fixed packing box for oil pumping well |
| CN107842334A (en) * | 2017-11-30 | 2018-03-27 | 中国石油天然气股份有限公司 | Well head sealing device |
| CN108442898A (en) * | 2018-03-28 | 2018-08-24 | 柴志君 | Well head sealing means for oil prodn. well |
| RU203383U1 (en) * | 2021-01-11 | 2021-04-02 | Общество с ограниченной ответственностью "ЛУКОЙЛ-ПЕРМЬ" | A device for preventing the ingress of oily liquid onto the surface of the well pad in an accident with a scraper |
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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: 20051005 Termination date: 20121001 |