CN208486857U - Be flexible coupling wellhead sealing device - Google Patents
Be flexible coupling wellhead sealing device Download PDFInfo
- Publication number
- CN208486857U CN208486857U CN201821224971.4U CN201821224971U CN208486857U CN 208486857 U CN208486857 U CN 208486857U CN 201821224971 U CN201821224971 U CN 201821224971U CN 208486857 U CN208486857 U CN 208486857U
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- China
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- packing
- packing box
- main body
- flexible coupling
- box main
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Abstract
The utility model discloses the wellhead sealing devices that is flexible coupling, including lower contact (15) and elastic tuningout hose assembly (14), the lower contact (15) is mounted on well head by threeway, flexible tuningout hose assembly (14) is installed in lower contact (15), sealed packing box is installed on elastic tuningout hose assembly (14)；The sealed packing box includes packing box main body (5), the packing box main body (5) is a four-way, packing box main body (5) upper end cavity offers back taper mounting groove, back taper packing (4) are installed in back taper mounting groove, packing pressing sleeve (3) are installed on back taper packing (4), it is equipped on packing pressing sleeve (3) upper press cover (2), hand handle (1) is installed on upper press cover (2).The wellhead sealing device that is flexible coupling, anti-bias effect is good while solving well head Leakage, while reducing the rate of wear of sealing device.
Description
Technical field
It is flexible coupling wellhead sealing device the utility model relates to oil field technical field of sealing technology more particularly to one kind.
Background technique
During oil field produces crude oil, 90% or more oil well up and down reciprocatingly drives sucker rod that will move using pumping unit
Downhole pump can be transferred to, by downhole pump by crude oil give rise to ground control well head, crude oil by control well head into
Enter gathering and transferring process, achievees the purpose that collect crude oil.
It controls well head and is equipped with polished rod sealing device, traditional sealing device is using installing colloid additional into stuffing-box
Gasket or belt muscle achieve the purpose that sealing by external force extruding, and leakproofness is poor, sealing cycle is short, difficult when operating staff is safeguarded
Degree is big, and labor intensity is high, and to oil pumping polish rod serious wear while increases the operating load of pumping unit.
Simultaneously as the up and down motion of sucker rod, can generate certain offset, thus abrasion sealing device, and it is existing
Sealing device but has and cannot prevent well or reduce eccentric wear, therefore causes sealing device rate of decay fast, increases and is constructed into
This.
Utility model content
The utility model to solve the above-mentioned problems, provides one kind and is flexible coupling wellhead sealing device, solving well head leakage
Anti-bias effect is good while oily problem, while reducing the rate of wear of sealing device.
The utility model is to be achieved through the following technical solutions:
Be flexible coupling wellhead sealing device, including lower contact and elastic tuningout hose assembly, the lower contact are pacified by threeway
Flexible tuningout hose assembly is installed on well head, in lower contact, sealed packing box is installed on elastic tuningout hose assembly；
The sealed packing box includes packing box main body, and the packing box main body is a four-way, packing box main body upper end cavity
Back taper mounting groove is offered, back taper packing is installed in back taper mounting groove, packing pressing sleeve, disk are installed on back taper packing
Upper press cover is installed on root pressing sleeve, hand handle is installed on upper press cover.
The elastic tuningout hose assembly includes that high pressure is flexible coupling two connectors at pipe and both ends, two connectors installations
It is flexible coupling pipe both ends in high pressure, the connector of lower end is screwed in lower contact, and the connector of upper end is screwed on packing box lower body
On cavity.
Rubber righting sealing block, each rubber righting are symmetrically installed in the cavity of the packing box main body left and right ends
It is provided with pin shaft on sealing block, adjusting set is installed outside each rubber righting sealing block, adjusting set Basolateral is equipped with more
A O-ring seal adjusts screw rod bottom end and is mounted in the groove of adjusting set, adjusts and pacify between screw rod bottom end and the groove of adjusting set
Equipped with circlip for hole and split washer, screw rod is adjusted by round nut and is fixed on packing box main body left and right ends any end
Cavity on.
Compared with prior art, the utility model has technical effect beneficial below:
The wellhead sealing device provided by the utility model that is flexible coupling is flexible coupling pipe, so that take out due to being provided with high pressure
Oil machine polished rod makes contact in double swerve with rubber righting sealing block or packing for point contact, that is to say, that works as oil pumping
When machine polished rod shakes to the right, it is flexible coupling pipe due to being provided with high pressure in lower contact, so that oil-extractor polish-rod is whole to the right
It shakes, and when oil-extractor polish-rod is moved to the left, is flexible coupling pipe due to being provided with high pressure in lower contact, so that pumping unit
Polished rod integrally shakes to the left, in this way due to changing the way of contact, previous face contact mode is changed to point contact mode, is made
To packing, perhaps the abrasion of rubber righting sealing block reduces and extends the operating speed of packing or rubber righting sealing block,
Replacement rate is reduced, to reduce costs, the anti-bias effect of wellhead sealing device improves so that this is flexible coupling, so that friction mode
Always point connection, so that oil-extractor polish-rod eccentric wear problem is readily solved.
Further, due to being provided with rubber righting sealing block, in this way when replacing packing, for sealing pumping unit light
Bar influences to replace packing, while also not needing pressure release, direct carousel so that being unlikely to spray well head after coming on bottom oil gas
Root.
Further, which is provided with rubber righting sealing block and back taper packing carries out double containment, such a to be
Packing_seal, one is the sealing of rubber righting sealing block, ensure that sealing effect by double containment in this way.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of wellhead sealing device of being flexible coupling.
Wherein, 1 is hand handle；2 be upper press cover；3 be packing pressing sleeve；4 be back taper packing；5 be packing box main body；6 be tune
Save screw rod；7 be round nut；8 be circlip for hole；9 be split washer；10 be adjusting set；11 be O-ring seal；12 be pin
Axis；13 be rubber righting sealing block；14 be elastic tuningout hose assembly；15 be lower contact；16 be jackscrew；17 be the cylinder crown
Silk.
Specific embodiment
The utility model is described in further detail below with reference to specific embodiment, described is to the utility model
Explanation rather than limit.
Referring to Fig. 1, be flexible coupling wellhead sealing device, including lower contact 15 and elastic tuningout hose assembly 14, connects under described
First 15 are mounted on well head by threeway, and flexible tuningout hose assembly 14, elastic tuningout hose assembly are installed in lower contact 15
Sealed packing box is installed on 14；The sealed packing box includes packing box main body 5, and the packing box main body 5 is one
Four-way, 5 upper end cavity of packing box main body offer back taper mounting groove, back taper packing 4 are equipped in back taper mounting groove,
Packing pressing sleeve 3 is installed on tapered packing 4, upper press cover 2 is installed on packing pressing sleeve 3, hand handle 1 is installed on upper press cover 2.
The elastic tuningout hose assembly 14 includes that high pressure is flexible coupling two connectors at pipe and both ends, two connectors peaces
It is flexible coupling pipe both ends mounted in high pressure, the connector of lower end is screwed in lower contact 15, and the connector of upper end is screwed on packing box main body 5
On the cavity of lower end, when the sucker rod of pumping unit moves up and down, double swerve can be generated, elastic tuningout hose assembly can be at this time
The double swerve of sucker rod and move left and right, thus the tuningout played the role of.
Rubber righting sealing block 13, each rubber are symmetrically installed in the cavity of 5 left and right ends of packing box main body
It is provided with pin shaft 12 on righting sealing block 13, adjusting set 10,10 bottom of adjusting set are installed outside each rubber righting sealing block 13
End outside is equipped with multiple O-ring seals 11, adjusts 6 bottom end of screw rod and is mounted in the groove of adjusting set 10, adjusts 6 bottom end of screw rod
Circlip for hole 8 and split washer 9 are installed between the groove of adjusting set, screw rod 6 is adjusted by round nut 7 and is fixed on disk
On the cavity of 5 left and right ends any end of root box main body, opened up respectively on the shell of 5 left and right ends of packing box main body there are two use
In two holes of secured adjusted screw rod 11, jackscrew 16 is installed in a hole, one is equipped with socket cap jackscrew 17 in the air.
Further, which is flexible coupling pipe, and 60 kilograms of compression resistance or more, and have eccentric abrasion prevention, while the pipe anti-corrosion,
Anti-aging, vibration resistance is antifatigue, grease proofing, oil resistant, water-fast, cold-resistant, high pressure resistant.
The wellhead sealing device provided by the utility model that is flexible coupling is flexible coupling pipe, so that take out due to being provided with high pressure
Oil machine polished rod makes contact in double swerve with rubber righting sealing block or packing for point contact, that is to say, that works as oil pumping
When machine polished rod shakes to the right, it is flexible coupling pipe due to being provided with high pressure in lower contact, so that oil-extractor polish-rod is whole to the right
It shakes, and when oil-extractor polish-rod is moved to the left, is flexible coupling pipe due to being provided with high pressure in lower contact, so that pumping unit
Polished rod integrally shakes to the left, in this way due to changing the way of contact, previous face contact mode is changed to point contact mode, is made
To packing, perhaps the abrasion of rubber righting sealing block reduces and extends the operating speed of packing or rubber righting sealing block,
Replacement rate is reduced, to reduce costs, the anti-bias effect of wellhead sealing device improves so that this is flexible coupling, so that friction mode
Always point connection, so that oil-extractor polish-rod eccentric wear problem is readily solved.
Further, due to being provided with rubber righting sealing block, in this way when replacing packing, for sealing pumping unit light
Bar influences to replace packing, while also not needing pressure release, direct carousel so that being unlikely to spray well head after coming on bottom oil gas
Root.
Further, which is provided with rubber righting sealing block and back taper packing carries out double containment, such a to be
Packing_seal, one is the sealing of rubber righting sealing block, ensure that sealing effect by double containment in this way.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (3)
1. be flexible coupling wellhead sealing device, which is characterized in that described including lower contact (15) and elastic tuningout hose assembly (14)
Lower contact (15) is mounted on well head by threeway, and flexible tuningout hose assembly (14) is installed in lower contact (15), and elasticity is adjusted
Sealed packing box is installed on inclined hose assembly (14)；The sealed packing box includes packing box main body (5), the packing
Box main body (5) is a four-way, and packing box main body (5) upper end cavity offers back taper mounting groove, pacifies in back taper mounting groove
Equipped with back taper packing (4), packing pressing sleeve (3) are installed on back taper packing (4), packing pressing sleeve is equipped with upper press cover on (3)
(2), hand handle (1) is installed on upper press cover (2).
2. the wellhead sealing device according to claim 1 that is flexible coupling, which is characterized in that the elastic tuningout hose assembly
It (14) include that high pressure is flexible coupling two connectors at pipe and both ends, two connectors are mounted on high pressure and are flexible coupling pipe both ends, lower end
Connector be screwed on lower contact (15), the connector of upper end is screwed on the cavity of packing box main body (5) lower end.
3. the wellhead sealing device according to claim 1 that is flexible coupling, which is characterized in that packing box main body (5) left and right
It is symmetrically installed with rubber righting sealing block (13) in the cavity at both ends, is provided with pin shaft on each rubber righting sealing block (13)
(12), it is equipped with adjusting set (10) outside each rubber righting sealing block (13), adjusting set (10) Basolateral is equipped with multiple O-shaped
Sealing ring (11) adjusts screw rod (6) bottom end and is mounted in the groove of adjusting set (10), adjusts screw rod (6) bottom end and adjusting set
Circlip for hole (8) and split washer (9) are installed between groove, screw rod (6) is adjusted by round nut (7) and is fixed on packing
On the cavity of box main body (5) left and right ends any end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821224971.4U CN208486857U (en) | 2018-08-01 | 2018-08-01 | Be flexible coupling wellhead sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821224971.4U CN208486857U (en) | 2018-08-01 | 2018-08-01 | Be flexible coupling wellhead sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208486857U true CN208486857U (en) | 2019-02-12 |
Family
ID=65247480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821224971.4U Expired - Fee Related CN208486857U (en) | 2018-08-01 | 2018-08-01 | Be flexible coupling wellhead sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208486857U (en) |
-
2018
- 2018-08-01 CN CN201821224971.4U patent/CN208486857U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190212 Termination date: 20210801 |