CN2576959Y - Pumping well polish rod sealer - Google Patents
Pumping well polish rod sealer Download PDFInfo
- Publication number
- CN2576959Y CN2576959Y CN 02283018 CN02283018U CN2576959Y CN 2576959 Y CN2576959 Y CN 2576959Y CN 02283018 CN02283018 CN 02283018 CN 02283018 U CN02283018 U CN 02283018U CN 2576959 Y CN2576959 Y CN 2576959Y
- Authority
- CN
- China
- Prior art keywords
- seal
- sealing member
- sealing
- additional
- cap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005086 pumping Methods 0.000 title abstract description 13
- 230000008878 coupling Effects 0.000 claims abstract description 21
- 238000010168 coupling process Methods 0.000 claims abstract description 21
- 238000005859 coupling reaction Methods 0.000 claims abstract description 21
- 210000004907 gland Anatomy 0.000 claims description 15
- 238000007789 sealing Methods 0.000 abstract description 22
- 239000003129 oil well Substances 0.000 abstract description 8
- 239000004576 sand Substances 0.000 abstract description 7
- 239000011324 bead Substances 0.000 abstract description 3
- 238000003912 environmental pollution Methods 0.000 abstract 1
- 241000283216 Phocidae Species 0.000 description 83
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000003921 oil Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Landscapes
- Sealing Devices (AREA)
Abstract
A pumping well polish rod sealer is composed of a pressing cap, a pressing sleeve, a sealing element, a sealing body, a fixing cover and a coupling head. Before the threads of the fixed cover and the connecting head are screwed down, the sealing body can move and be adjusted in any direction, so that the center of the sealing element of the sealing body is coincided with the center of the polish rod, and then the threads of the fixed cover and the connecting head are screwed down, thereby preventing eccentric wear caused by the fact that the polish rod and the sealing element are not concentric. Be equipped with the stopping tooth in the seal, the sealing member surface is equipped with the stopping circular bead, the sealing member packs into the seal after, even compress tightly the screw thread of cap and seal and not screw, also can seal the polished rod in the short term, therefore, can not stop taking out and install the sealing member additional when need install the sealing member additional after the sealing member wearing and tearing, thereby avoided installing additional the output loss that the sealing member need stop taking out and put the pressure and cause, the sand card oil-well pump, environmental pollution scheduling problem, because it only one to install the sealing member additional at every turn, and because sealing member durable, the time interval who installs the sealing member additional is longer, firm workman work load is few, and low in labor strength.
Description
One, technical field:
The utility model is the pumpingh well polished rod sealer that oil exploitation is used.Belong to engineering goods.
Two, background technology:
Existing pumpingh well polished rod sealer kind is more, but all exists certain defective, if any poor sealing, the frequent seepage of well head had both caused crude oil to land loss, caused environment pollution again.For avoiding taking place the frequent leakage problems of well head, need often to change the seal of pumpingh well polished rod sealer, seal large usage quantity not only, cost increases, but also have the problem of following several respects: 1, changing seal needs stop pumping to put pressure, and the pumpingh well off-time is many, influences oil well output, put pressure and cause environment pollution, the economic loss tool is big; 2, stop pumping is changed seal and is made the sinking of the sand grains in the oil pipe on the pump easily, causes sand card oil well pump, occurs changing the problem that can not continue to drive a well behind the careful sealing, needs the operation well workover could recover oil well production; 3, workman's workload is many, and labour intensity is big.
Three, summary of the invention:
The purpose of this utility model is a kind of pumpingh well polished rod sealer of design, make the seal of its pumpingh well polished rod sealer durable in use, do not need often to change seal, the seal consumption reduces, save cost, do not need the pumpingh well stop pumping when changing seal, do not put pressure, avoid pumpingh well to need stop pumping to put problems such as the pumpingh well production loss of pressure zone, sand card oil well pump, contaminated environment, and significantly reduce workman's workload and labour intensity because of changing seal.
The purpose of this utility model is achieved in that it is made up of clamping cap, gland, seal, seal, fixed cap, coupling head.Gland, seal are installed in the seal, and gland is on seal, and seal top screw thread connects with clamping cap, and gland top is in the clamping cap, when rotatably compressing cap, can press down gland, makes its squeeze sealing member, reaches the effect of sealing polished rod.The seal lower surface contacts with the coupling head upper surface, and the fixed cap bottom connects with coupling head top.Shoulder is arranged at the seal bottom, and there is shoulder fixed cap inside, and the upper surface of seal bottom shoulder contacts with the lower surface of fixed cap inner circular bead, and the screw thread by be tightened lid and coupling head is fixed together seal and coupling head.The coupling head bottom connects with the well head flow tee, and connecting mode can be used screw thread, also can use clip.Before the screw thread of fixed cap and coupling head is being tightened, seal can move adjusting by any direction in fixed cap, center that makes its seal, seal and the screw thread of tightening fixed cap and coupling head after the polished rod center overlaps again prevent the eccentric wear that polished rod and seal decentraction cause.Be provided with the retaining tooth in the seal, seal outer surface is provided with the retaining shoulder, seal is packed into behind the seal, under the retaining shoulder effect of retaining tooth in seal and seal outer surface, even the screw thread of clamping cap and seal does not screw, also can seal up polished rod in a short time, therefore, can not stop pumping when needing to install seal additional behind the sealing part abrasion, do not put to press and install seal additional, just can install the production loss that seal causes additional thereby avoided putting pressure because of stop pumping, sand card oil well pump, problems such as environment pollution have only one owing to install seal additional at every turn, so it is short to add ETL estimated time of loading, and because seal overlaps with the polished rod center, seal is eccentric wear not, and seal can be realized durable in use, so, the time interval of installing seal additional is longer, Gu workman's workload is few, and labour intensity is low.
The beneficial effects of the utility model are: the center of seal, seal overlaps with the polished rod center, seal is eccentric wear not, seal is durable in use, do not need often to change seal, the seal consumption reduces, cost descends, do not need the pumpingh well stop pumping to put pressure when changing seal, eliminate the stop pumping of installing additional before the seal and put pressure time and environment pollution, avoided pumpingh well because of problems such as the pumpingh well production loss of changing seal and needing stop pumping to bring, sand card oil well pumps, can significantly reduce workman's workload and labour intensity, have remarkable economic efficiency.
Four, description of drawings:
Accompanying drawing is the structure half sectional view of the utility model embodiment.
In the drawings: the 1st, clamping cap, the 2nd, gland, the 3rd, seal, the 4th, seal, the 5th, fixed cap, the 6th, coupling head, A is a polished rod.
Five, specific embodiment:
Below in conjunction with accompanying drawing the utility model embodiment is described.
Embodiment of the present utility model is made up of clamping cap 1, gland 2, seal 3, seal 4, fixed cap 5, coupling head 6.Polished rod A is interspersed in the utility model.Gland 2, seal 3 are installed in the seal 4, and gland 2 is on seal 3, and seal 4 top screw threads connect with clamping cap 1, gland 2 tops are in the clamping cap 1, when rotatably compressing cap 1, can press down gland 2, make its squeeze sealing member 3, reach the effect of sealing polished rod A.Seal 4 lower surfaces contact with coupling head 6 upper surfaces, and fixed cap 5 bottoms connect with coupling head 6 tops.Shoulder is arranged at seal 4 bottoms, and there is shoulder fixed cap 5 inside, and the upper surface of seal 4 bottom shoulders contacts with the lower surface of fixed cap 5 inner circular bead, cover by being tightened 5 with the screw thread of coupling head 6, seal 4 and coupling head 6 are fixed together.Coupling head 6 bottoms connect with the well head flow tee, and connecting mode can be used screw thread, also can use clip, and what draw in the utility model accompanying drawing is to connect threadably.Before the fixed cap 5 and the screw thread of coupling head 6 are being tightened, seal 4 can move adjusting by any direction in fixed cap 5, the center that makes its seal 3, seal 4 with tighten the screw thread of fixed cap 5 after the center of polished rod A overlaps again with coupling head 6, prevent the eccentric wear that polished rod A and seal 3 decentraction cause.Seal 3 outer bottoms are bullet, and corresponding seal 3 places also are taper in the seal 4.Seal 4 in be provided with the retaining tooth, seal 3 external surfaces are provided with the retaining shoulder, seal 3 is packed into behind the seal 4, under the retaining shoulder effect of retaining tooth in seal 4 and seal 3 external surfaces, even clamping cap 1 does not screw with the screw thread of seal 4, also can seal up polished rod A in a short time, therefore, can not stop pumping when needing to install seal additional after seal 3 wearing and tearing, do not put to press and install seal additional, thereby avoided just installing the production loss that seal causes additional after putting pressure because of stop pumping, sand card oil well pump, problems such as environment pollution have only one owing to install seal additional at every turn, so it is short to add ETL estimated time of loading, and because seal overlaps with the polished rod center, seal is eccentric wear not, and seal can be realized durable in use, so, the time interval of installing seal additional is longer, Gu workman's workload is few, and labour intensity is low.
Claims (2)
1, a kind of pumpingh well polished rod sealer, clamping cap (1), gland (2), seal (3), seal (4), fixed cap (5), coupling head (6) is formed, it is characterized in that installing in the seal (4) gland (2), seal (3), gland (2) is on seal (3), seal (4) top screw thread connects with clamping cap (1), gland (2) top is in the clamping cap (1), seal (4) lower surface contacts with coupling head (6) upper surface, fixed cap (5) bottom connects with coupling head (6) top, seal is provided with the retaining tooth in (4), and seal (3) external surface is provided with the retaining shoulder.
2, pumpingh well polished rod sealer according to claim 1 is characterized in that the outer bottom of seal (3) is a bullet, and corresponding seal place also is taper in the seal (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02283018 CN2576959Y (en) | 2002-10-13 | 2002-10-13 | Pumping well polish rod sealer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02283018 CN2576959Y (en) | 2002-10-13 | 2002-10-13 | Pumping well polish rod sealer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2576959Y true CN2576959Y (en) | 2003-10-01 |
Family
ID=33744975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02283018 Expired - Fee Related CN2576959Y (en) | 2002-10-13 | 2002-10-13 | Pumping well polish rod sealer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2576959Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194056A (en) * | 2016-08-30 | 2016-12-07 | 王仕俊 | A kind of eccentric abrasion prevention seat |
-
2002
- 2002-10-13 CN CN 02283018 patent/CN2576959Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194056A (en) * | 2016-08-30 | 2016-12-07 | 王仕俊 | A kind of eccentric abrasion prevention seat |
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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 |