CN204436310U - A kind of four anti-polish rod seal devices - Google Patents
A kind of four anti-polish rod seal devices Download PDFInfo
- Publication number
- CN204436310U CN204436310U CN201520049863.8U CN201520049863U CN204436310U CN 204436310 U CN204436310 U CN 204436310U CN 201520049863 U CN201520049863 U CN 201520049863U CN 204436310 U CN204436310 U CN 204436310U
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- CN
- China
- Prior art keywords
- seal body
- box
- packing
- spray
- polished rod
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- 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
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Abstract
The utility model relates to a kind of oil well special equipment, be specifically related to a kind of four anti-polish rod seal devices, comprise the seal body one be arranged on polished rod sealer, described seal body one is a column structure, described seal body one middle part is provided with a grease-box, described grease-box is communicated with seal body one, described seal body one side is provided with an anti-spraying mechanism, described seal body one upper end is provided with packing one and pressure cap one, described pressure cap one position is provided with packing box, seal body two is provided with between described seal body one lower end and polished rod sealer, packing two and pressure cap two are installed in described seal body two, the lower end of described seal body one is provided with the compression box cupling compressing pressure cap two, can also automatic-sealed packing box when light rod-broken, prevent well head fuel injection event, auto-strengthening polished rod, prevent well head eccentric wear, extend polished rod, the application life of packing.
Description
Technical field
The utility model relates to a kind of oil well special equipment, is specifically related to a kind of four anti-polish rod seal devices.
Background technology
So-called oil well is exactly be exactly the gasoline of automobile, the parent of diesel oil with special equipment to get into a few km in the underground PetroChina Company Limited. containing the rock stratum of oil from ground, mechanical oil pumper is utilized to drive sucker rod and oil well pump that the crude oil of underground is mentioned ground by polished rod, ground has well head also to claim christmas tree sealer for mouth to play the effects such as switch, water conservancy diversion, sealing, by pipeline, crude oil is passed to oil refinery and carries out refinery.
" cubic polish rod seal device " designed by me is some measures taked in conjunction with practical condition according to the recurrent problem of producing well.Problem one, polished rod can not get sufficient lubrication and cause burning packing well head to run oily phenomenon packing is have flexible rubber to make, rotating pressure-pad extruding packing in work makes packing and polished rod closely cooperate, sealing function is played when polished rod moves up and down, can only to annotate on pressure-pad in original wellhead sealing device butter, can not sufficient lubrication packing, make polished rod friction generate heat and burn out.
Summary of the invention
The purpose of this utility model is to overcome deficiency of the prior art and provides a kind of four anti-polish rod seal devices, and sealing device can prevent bare rod corrosion, prevents the phenomenon of burning the well head race oil that packing occurs.
The purpose of this utility model is achieved in that
A kind of four anti-polish rod seal devices, comprise the seal body one be arranged on polished rod sealer, described seal body one is a column structure, described seal body one middle part is provided with a grease-box, described grease-box is communicated with seal body one, described seal body one side is provided with an anti-spraying mechanism, described seal body one upper end is provided with packing one and pressure cap one, described pressure cap one position is provided with packing box, seal body two is provided with between described seal body one lower end and polished rod sealer, packing two and pressure cap two are installed in described seal body two, the lower end of described seal body one is provided with the compression box cupling compressing pressure cap two.
Based on the above, described packing one is supported by a Glan one, and described Glan one is fixed on seal body one inwall, is provided with an alignment bearing between described packing one and Glan.
Based on the above, described packing two is supported by a Glan two, and described Glan two is fixed on seal body two inwall.
Based on the above, described anti-spraying mechanism is made up of spray-proof ball and top cover, and described seal body one side is provided with an anti-nozzle, the described oblique layout of anti-nozzle, the other end compresses spray-proof ball, and the diameter of described spray-proof ball is not less than the docking port of anti-nozzle and seal body one.
Based on the above, the position that described anti-nozzle docks with seal body one inwall is extended with a convex edge, and the spacing between described convex edge and polished rod is less than the diameter of spray-proof ball, and described spray-proof ball is installed between convex edge and polished rod.
Based on the above, be also provided with a spray-proof ball one between described spray-proof ball and polished rod, the diameter of described spray-proof ball one is greater than the spacing between convex edge and polished rod, is less than the diameter of spray-proof ball.
Based on the above, described grease-box is the circular tube structure that one end open is closed in one end, the openend of described grease-box adopts embedded mode and seal body one plug-in mounting, the position of described grease-box and seal body one plug-in mounting is provided with ostium and return port, a baffle plate is furnished with in the position oblique lubricating fuel tank of described ostium, the upper edge of described baffle plate and the lower to concordant of ostium, leave hole between the lower edge of described baffle plate and the bottom surface of grease-box, described grease-box is provided with oil filler point and drain oil.
Based on the above, in described return port, be furnished with ball-and-seat.
The utility model has following advantage:
The utility model is through years of researches and summary, have developed " four prevent " well mouth sealing device, it can continually lubricate polished rod, prevent bare rod corrosion, prevent burning packing and occur that well head runs oily phenomenon, can also automatic-sealed packing box when light rod-broken, prevent well head fuel injection event, auto-strengthening polished rod, prevents well head eccentric wear, extends the application life of polished rod, packing.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
The utility model will be further described for specific embodiment below.
As shown in Figure 1, a kind of four anti-polish rod seal devices, comprise the seal body 1 be arranged on polished rod sealer, described seal body 1 is a column structure, described seal body 1 middle part is provided with a grease-box 2, described grease-box 2 is communicated with seal body 1, described seal body 1 side is provided with an anti-spraying mechanism 3, described seal body 1 upper end is provided with packing 1 and pressure cap 1, described pressure cap 1 position is provided with packing box 6, seal body 28 is provided with between described seal body 1 lower end and polished rod sealer, packing 27 and pressure cap 29 are installed in described seal body 28, the lower end of described seal body 1 is provided with the compression box cupling 10 compressing pressure cap 29.
Based on the above, described packing 1 is supported by a Glan 1, and described Glan 1 is fixed on seal body 1 inwall, is provided with an alignment bearing 12 between described packing 1 and Glan 1.
Based on the above, described packing 27 is supported by a Glan 2 13, and described Glan 2 13 is fixed on seal body 28 inwall.
Based on the above, described anti-spraying mechanism 3 is made up of spray-proof ball 31 and top cover 33, described seal body 1 side is provided with an anti-nozzle 14, the described oblique layout of anti-nozzle 14, the other end compresses spray-proof ball 31, and the diameter of described spray-proof ball 31 is not less than the docking port 16 of anti-nozzle 14 and seal body 1.
Based on the above, the position that described anti-nozzle 14 docks with seal body 1 inwall is extended with a convex edge 15, and the spacing between described convex edge 15 and polished rod 16 is less than the diameter of spray-proof ball 31, and described spray-proof ball 31 is installed between convex edge 15 and polished rod 16.
Based on the above, be also provided with a spray-proof ball 1 between described spray-proof ball 31 and polished rod 16, the diameter of described spray-proof ball 1 is greater than the spacing between convex edge 15 and polished rod 16, is less than the diameter of spray-proof ball 31.
The opposite side of seal body 1 is equipped with anti-spraying mechanism 3, as figure, it is by the pipe an of upper-end inner diameter 55 millimeters of bottom diameters 45 millimeters, and be formed by connecting with the inclination angle of 35 degree and seal body 1, pipe is built with being diameter 50 millimeters above, here is the spray-proof ball 1 of diameter 40 millimeters and two balls of spray-proof ball 31, spray-proof ball 1 and polished rod 16 and spray-proof ball 31 tangent, the upper end of pipe is added with top cover 33, when polished rod 16 breaks, spray-proof ball 1 drops in seal body 1, spray-proof ball 31 falls spray-proof ball 1 origin-location, when in well during gas pressure height, promote spray-proof ball 1 to move upward to combine closely with sealed ball seat and seal, prevent the gas in well, crude oil is to outward leakage, thus play blowout prevention effect.
Based on the above, described grease-box 2 is for closing the circular tube structure of one end open in one end, the openend of described grease-box 2 adopts embedded mode and seal body 1 plug-in mounting, described grease-box 2 is provided with ostium 21 and return port 22 with the position of seal body 1 plug-in mounting, a baffle plate 18 is furnished with in the position oblique lubricating fuel tank 2 of described ostium 21, the upper edge of described baffle plate 18 and the lower to concordant of ostium 21, hole is left between the lower edge of described baffle plate 18 and the bottom surface of grease-box 2, described grease-box 2 is provided with oil filler point 21 and drain oil 22.This pipe adds the area of dissipation of lubrication mailbox 2, play thermolysis, operating principle one, lubrication mailbox 2 are built with lubrication oil, when polished rod 16 is up, parts of lubricating oil is by polished rod with moving upward (lubrication oil have sticky pay effect), and when polished rod 16 is descending, parts of lubricating oil scrapes by (as figure) sealed ball seat upper surface and flow into grease-box 2.Because lubrication oil is invaded steep polished rod one deck oil film that makes polished rod surface float always, thus play forced feed lubrication polished rod, antisepsis is played to polished rod.On Glan 1, bearing is housed, tangent with polished rod 16 inside the ball of bearing, the inwall of outside and seal body 1 is tangent, makes polished rod can only vertical up-or-down movement, plays centralizing function and prevents eccentric wear.
Based on the above, in described return port 22, be furnished with ball-and-seat 19.
Claims (8)
1. an anti-polish rod seal device, comprise the seal body one (1) be arranged on polished rod sealer, it is characterized in that: described seal body one (1) is a column structure, described seal body one (1) middle part is provided with a grease-box (2), described grease-box (2) is communicated with seal body one (1), described seal body one (1) side is provided with an anti-spraying mechanism (3), described seal body one (1) upper end is provided with packing one (4) and pressure cap one (5), described pressure cap one (5) position is provided with packing box (6), seal body two (8) is provided with between described seal body one (1) lower end and polished rod sealer, packing two (7) and pressure cap two (9) are installed in described seal body two (8), the lower end of described seal body one (1) is provided with the compression box cupling (10) compressing pressure cap two (9).
2. a kind of four anti-polish rod seal devices according to claim 1, it is characterized in that: described packing one (4) is supported by a Glan one (11), described Glan one (11) is fixed on seal body one (1) inwall, is provided with an alignment bearing (12) between described packing one (4) and Glan one (11).
3. a kind of four anti-polish rod seal devices according to claim 1, it is characterized in that: described packing two (7) is supported by a Glan two (13), described Glan two (13) is fixed on seal body two (8) inwall.
4. a kind of four anti-polish rod seal devices according to claim 1, it is characterized in that: described anti-spraying mechanism (3) is made up of spray-proof ball (31) and top cover (33), described seal body one (1) side is provided with an anti-nozzle (14), described anti-nozzle (14) oblique layout, the other end compresses spray-proof ball (31).
5. a kind of four anti-polish rod seal devices according to claim 4, it is characterized in that: the position that described anti-nozzle (14) docks with seal body one (1) inwall is extended with a convex edge (15), spacing between described convex edge (15) and polished rod (16) is less than the diameter of spray-proof ball (31), and described spray-proof ball (31) is installed between convex edge (15) and polished rod (16).
6. a kind of four anti-polish rod seal devices according to claim 5, it is characterized in that: between described spray-proof ball (31) and polished rod (15), be also provided with a spray-proof ball one (17), the diameter of described spray-proof ball one (17) is greater than the spacing between convex edge (15) and polished rod (16), is less than the diameter of spray-proof ball (31).
7. a kind of four anti-polish rod seal devices according to claim 1, it is characterized in that: described grease-box (2) is for closing the circular tube structure of one end open in one end, the openend of described grease-box (2) adopts embedded mode and seal body one (1) plug-in mounting, described grease-box (2) is provided with ostium (21) and return port (22) with the position of seal body one (1) plug-in mounting, a baffle plate (18) is furnished with in position oblique lubricating fuel tank (2) of described ostium (21), the upper edge of described baffle plate (18) and the lower to concordant of ostium (21), hole is left between the lower edge of described baffle plate (18) and the bottom surface of grease-box (2), described grease-box (2) is provided with oil filler point (20) and drain oil (23).
8. a kind of four anti-polish rod seal devices according to claim 7, is characterized in that: be furnished with ball-and-seat (19) in described return port (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520049863.8U CN204436310U (en) | 2015-01-26 | 2015-01-26 | A kind of four anti-polish rod seal devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520049863.8U CN204436310U (en) | 2015-01-26 | 2015-01-26 | A kind of four anti-polish rod seal devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204436310U true CN204436310U (en) | 2015-07-01 |
Family
ID=53604188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520049863.8U Expired - Fee Related CN204436310U (en) | 2015-01-26 | 2015-01-26 | A kind of four anti-polish rod seal devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204436310U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109113630A (en) * | 2018-08-15 | 2019-01-01 | 延安大学 | A kind of taper oil well environment protective eccentric abrasion prevention wellhead assembly |
| CN113202440A (en) * | 2021-06-04 | 2021-08-03 | 江苏金石富源机械有限公司 | Oil extraction wellhead sealing device |
-
2015
- 2015-01-26 CN CN201520049863.8U patent/CN204436310U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109113630A (en) * | 2018-08-15 | 2019-01-01 | 延安大学 | A kind of taper oil well environment protective eccentric abrasion prevention wellhead assembly |
| CN113202440A (en) * | 2021-06-04 | 2021-08-03 | 江苏金石富源机械有限公司 | Oil extraction wellhead sealing device |
| CN113202440B (en) * | 2021-06-04 | 2023-02-28 | 江苏金石富源机械有限公司 | Oil extraction wellhead sealing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20160126 |
|
| EXPY | Termination of patent right or utility model |