CN201416407Y - Energy-saving multistage sealed stuffing box - Google Patents
Energy-saving multistage sealed stuffing box Download PDFInfo
- Publication number
- CN201416407Y CN201416407Y CN2009200997664U CN200920099766U CN201416407Y CN 201416407 Y CN201416407 Y CN 201416407Y CN 2009200997664 U CN2009200997664 U CN 2009200997664U CN 200920099766 U CN200920099766 U CN 200920099766U CN 201416407 Y CN201416407 Y CN 201416407Y
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- China
- Prior art keywords
- packing
- blowout prevention
- prevention box
- sealing device
- spherical
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- Expired - Fee Related
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Abstract
The utility model provides an energy-saving multistage sealed stuffing box, and mainly aims to solve the problems of the prior stuffing box that the sealing effect is poor; the packing abrasion is serious; and the electric energy consumption is great. The multilevel sealed stuffing box is characterized in that a spherical sealing device (4) is movably connected with the interior of a spherical hole at the lower end of a packing cylinder (1) through the base (3) of the spherical sealing device; an O-shaped seal ring (5) which is in contact with a feed rod and a lip-type seal ring (6) are arranged in the hole of the spherical sealing device (4); and the O-shaped seal ring (5) in contact with the spherical hole at the lower end of a packing cylinder (1) is arranged outside the spherical sealing device (4). The energy-saving multistage sealed stuffing box provided by the utility model has the characteristics of good sealing effect, long packing service life, and low electric energy consumption.
Description
Technical field:
The utility model relates to the used blowout prevention box of oil recovery field, oil field rod-pumped well, especially energy-saving multi-stage sealed blowout prevention box.
Background technology:
In oil recovery field, oil field,, the blowout prevention box need be installed on the oil pumper well head in order to improve the safety and environmental protection effect of well head.And existing blowout prevention box causes sealing effectiveness poor owing to adopt packing primary seal structure, the packing serious wear, and the problem that electric energy loss is big has increased cost for oil production thus, influences the oil recovery benefit.
The utility model content:
Existing blowout prevention box sealing effectiveness is poor in order to solve, packing serious wear and the big problem of electric energy loss, the utility model provides a kind of energy-saving multi-stage sealed blowout prevention box, and this energy-saving multi-stage sealed blowout prevention box has characteristics such as good sealing effect, packing long service life and electric energy loss be little.
The technical solution of the utility model is: this energy-saving multi-stage sealed blowout prevention box comprises and is connected with blowout prevention box gland on the packing tube, be connected with spherical sealing device by spherical sealing device base in the spherical pore of packing tube lower end, spherical sealing device is provided with O-ring seals and the lip-type packing that contacts with polished rod in the hole, and spherical sealing device is outside equipped with the O-ring seals that contacts with packing tube lower end spherical pore.
The up big and down small bellmouth of packing tube in the such scheme is built-in with packing, is provided with the spring packing pressure cap of pressing the tactile disk root between packing and the blowout prevention box gland in the shoe cream room, and the unidirectional fuel feeding valve that communicates with shoe cream room is arranged on the blowout prevention box gland; The hole that blowout prevention box gland contacts with polished rod is built-in with dust-proof seal ring.
The utlity model has following beneficial effect: this energy-saving multi-stage sealed blowout prevention box is at first because employing is connected with spherical sealing device in packing tube lower end, and in be outside equipped with the O-ring seals that contacts with polished rod and packing tube lower end spherical pore and the structure of lip-type packing, utilize the sealing of O-ring seals and lip-type packing internal expanding type, particularly lip-type packing is when running into certain pressure fluid, oil resistant lip-type packing meeting is opened automatically, tightly hold polished rod tightly, reach sealing function, spherical sealing device outer wall O RunddichtringO utilizes the principle of tensioning, seals with packing tube lower end spherical pore inwall.Simultaneously the ball-type shape of spherical sealing device can also reach, and under the situation that polished rod and well head misalign, can rotate together along with polished rod.Spherical sealing device seals as the first order, has just solved the sealing problem of this blowout prevention box basically.Secondly owing to adopt the structure of spring packing pressure cap and taper packing tube, seal as the second level, change the structure of old-fashioned blowout prevention box, utilize spring packing pressure cap and taper packing tube to compress packing at any time, when concrete principle was the packing wearing and tearing, packing was descending at the elastic force effect lower edge of spring packing pressure cap packing tube bellmouth, make packing axial compression, in the horizontal with the polished rod tensioning, the fluid that first order sealing is not sealed up seals up, to reach best sealing effectiveness.Owing to adopt the structure of in blowout prevention box gland and polished rod contact hole, setting up dust-proof seal ring,, utilize the anti-dust effect of dust-proof seal ring again, prevent that sand and dust from entering wearing and tearing packing in this blowout prevention box as third level sealing.Last owing to adopt the structure of on blowout prevention box gland, setting up unidirectional fuel feeding valve, utilize unidirectional fuel feeding valve in shoe cream room, to annotate machine oil, can make the first order, partial sealing ring that certain force of strain is arranged by the machine oil in the shoe cream room, improve the sealing effectiveness of oil-resistant seal ring thus, reduce the frictional force between sealing ring and the polished rod simultaneously, thereby reach the good result of oil pumper economize on electricity.In sum,, improved sealing effectiveness, reduced the wearing and tearing of packing, prolonged sealing cycle greatly, reduced electric energy loss, finally reduced cost for oil production, increased the oil recovery benefit owing to adopt three grades of hermetically-sealed constructions.
Description of drawings:
Accompanying drawing 1 is the utility model structural representation.
1-packing tube among the figure, 2-blowout prevention box gland, the spherical sealing device base of 3-, the spherical sealing device of 4-, 5-O shape sealing ring, 6-lip-type packing, 7-packing, 8-shoe cream room, 9-spring packing pressure cap, the unidirectional fuel feeding valve of 10-, 11-dust-proof seal ring.
The specific embodiment:
The utility model is described in further detail below in conjunction with accompanying drawing:
As shown in the figure, this energy-saving multi-stage sealed blowout prevention box comprises and is connected with blowout prevention box gland 2 on the packing tube 1, be placed with spherical sealing device 4 in the packing tube 1 lower end spherical pore, on the spherical sealing device 4 lower end packing tubes 1 by the spherical sealing device base 3 that has been threaded, spherical sealing device 4 is movably connected in the packing tube 1 lower end spherical pore, and can rotates with polished rod.Spherical sealing device is provided with the O-ring seals 5 that two roads contact with polished rod in 4 holes, between two road O-ring seals 5, be provided with the lip-type packing 6 that contacts with polished rod, be outside equipped with the O-ring seals 5 that two roads contact with packing tube 1 lower end spherical pore at spherical sealing device 4, seal as the first order by O-ring seals 5 on the spherical sealing device 4 and lip-type packing 6, just solved the sealing problem of this blowout prevention box basically.
Be built-in with packing 7 at packing tube 1 up big and down small bellmouth, be provided with the spring packing pressure cap 9 of pressing tactile disk root 7 between packing 7 and the blowout prevention box gland 2 in the shoe cream room 8, spring packing pressure cap 9 has gasket construction up and down for spring, elastic force effect by spring makes packing 7 stacks tighter, owing to adopted the structure of placing packing 7 and compressing in the packing tube 1 of up big and down small bellmouth by spring packing pressure cap 9, this kind structure seals as the second level, it can further seal the fluid that first order sealing does not seal up again, strengthens the sealing effectiveness of this blowout prevention box.
The hole that blowout prevention box gland 2 contacts with polished rod is built-in with dust-proof seal ring 11, and the main effect of dust-proof seal ring 11 is to prevent that sand and dust from entering wearing and tearing packing 7 in this blowout prevention box, realizes third level sealing.The unidirectional fuel feeding valve 10 that communicates with shoe cream room 8 is arranged on the blowout prevention box gland 2, the main effect of unidirectional fuel feeding valve 10 is to inject machine oil in shoe cream room 8, the main effect of shoe cream room 8 is to store machine oil, shoe cream room 8 inner engine oils can make the first order, partial sealing ring that a certain amount of tension force is arranged, make the sealing effectiveness of oil-resistant seal ring better, reduce the frictional force between sealing ring and the polished rod simultaneously, thereby reach the good result of oil pumper economize on electricity.
During actual the use, should be connected with well head by energy-saving multi-stage sealed blowout prevention box, can normally use.
Claims (3)
1, a kind of energy-saving multi-stage sealed blowout prevention box, comprise and be connected with blowout prevention box gland (2) on the packing tube (1), it is characterized in that: be connected with spherical sealing device (4) by spherical sealing device base (3) in the spherical pore of packing tube (1) lower end, spherical sealing device (4) is provided with O-ring seals (5) and the lip-type packing (6) that contacts with polished rod in the hole, and spherical sealing device (4) is outside equipped with the O-ring seals (5) that contacts with packing tube (1) lower end spherical pore.
2, energy-saving multi-stage sealed blowout prevention box according to claim 1, it is characterized in that: the up big and down small bellmouth of packing tube (1) is built-in with packing (7), be provided with the spring packing pressure cap (9) of pressing tactile disk root (7) between packing (7) and the blowout prevention box gland (2) in the shoe cream room (8), the unidirectional fuel feeding valve (10) that communicates with shoe cream room (8) is arranged on the blowout prevention box gland (2).
3, energy-saving multi-stage sealed blowout prevention box according to claim 1, it is characterized in that: the hole that blowout prevention box gland (2) contacts with polished rod is built-in with dust-proof seal ring (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200997664U CN201416407Y (en) | 2009-04-30 | 2009-04-30 | Energy-saving multistage sealed stuffing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200997664U CN201416407Y (en) | 2009-04-30 | 2009-04-30 | Energy-saving multistage sealed stuffing box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201416407Y true CN201416407Y (en) | 2010-03-03 |
Family
ID=41792823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200997664U Expired - Fee Related CN201416407Y (en) | 2009-04-30 | 2009-04-30 | Energy-saving multistage sealed stuffing box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201416407Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387014A (en) * | 2017-09-14 | 2017-11-24 | 位兆元 | Oil pumper Universal sealed component and application process |
| CN107687329A (en) * | 2017-10-18 | 2018-02-13 | 天津宝骏科技股份有限公司 | A kind of oil field shaft mouth packing for boring sealing structure |
| CN107724987A (en) * | 2017-10-18 | 2018-02-23 | 天津宝骏科技股份有限公司 | A kind of packing assemblies |
-
2009
- 2009-04-30 CN CN2009200997664U patent/CN201416407Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387014A (en) * | 2017-09-14 | 2017-11-24 | 位兆元 | Oil pumper Universal sealed component and application process |
| CN107687329A (en) * | 2017-10-18 | 2018-02-13 | 天津宝骏科技股份有限公司 | A kind of oil field shaft mouth packing for boring sealing structure |
| CN107724987A (en) * | 2017-10-18 | 2018-02-23 | 天津宝骏科技股份有限公司 | A kind of packing assemblies |
| CN107724987B (en) * | 2017-10-18 | 2024-03-19 | 天津宝骏科技股份有限公司 | Packing seal assembly |
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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: 20100303 Termination date: 20130430 |