CN202767934U - Clamp connection type well shutting device - Google Patents
Clamp connection type well shutting device Download PDFInfo
- Publication number
- CN202767934U CN202767934U CN201220473983.7U CN201220473983U CN202767934U CN 202767934 U CN202767934 U CN 202767934U CN 201220473983 U CN201220473983 U CN 201220473983U CN 202767934 U CN202767934 U CN 202767934U
- Authority
- CN
- China
- Prior art keywords
- eccentric
- joint
- gland
- connection type
- clamp connection
- 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 - Lifetime
Links
Images
Abstract
The utility model discloses a clamp connection type well shutting device and relates to petroleum machinery. The clamp connection type well shutting device comprises an eccentric ball connector (1), an eccentric clamp head (2), an eccentric ball pressing cap (3), a lower seal assembly, a middle connector (4), an upper seal assembly and a locking nut (5). An eccentric ball face body is arranged at the lower end of the eccentric ball connector (1). The eccentric ball pressing cap (3) is connected at the upper end of the eccentric clamp head (2) in a threaded mode. The eccentric ball connector (1) is fixed at the upper end of the eccentric clamp head (2) in a rotating mode through the eccentric ball pressing cap (3) along the ball center of the ball face body at the lower end of the eccentric ball connector. The clamp connection type well shutting device has the advantages of being reasonable in structure, long in service life and capable of automatically adjusting the center. Therefore, working efficiency is efficiently improved, maintenance cycle is prolonged, and a large amount of capital is saved for oil fields.
Description
Technical field
The utility model relates to petroleum machinery, is specifically related to a kind of blowout preventer.
Background technology
At present, the used blowout preventer in oil field does not generally have the aligning ability, because there is the eccentric wear phenomenon in sucker rod in reciprocal oil pumping campaign, there is short problem in application life in blowout preventer, requires frequent maintenance and replacement.And existing blowout preventer must be closed paraffin valve when changing packing, when changing packing since packing be multilayer nest in tube chamber, be difficult to take out, exist labour intensity large, the problems such as operation inconvenience.Therefore existing blowout preventer structure is reasonable not, is further improved.
Summary of the invention
Technical problem to be solved in the utility model is: for the problems referred to above, but provide a kind of clamp connection type blowout preventer of automatic aligning rational in infrastructure.
Technical solution of the present utility model is: it comprises the eccentric sphere joint, eccentric hoop, the eccentric sphere pressure cap, the lower seal assembly, transition joint, upper black box and locking nut, the eccentric sphere joint is the body that the lower end is provided with the eccentric spherical body, upper orifice place and the eccentric sphere pressure cap place suitable for reading of eccentric hoop are provided with respectively the Internal Spherical Surface that matches with the spherical surface body of eccentric sphere joint lower end, the eccentric sphere pressure cap is screwed onto eccentric hoop upper end, the eccentric sphere joint can be rotatably fixed to along the spherical surface body centre of sphere of its lower end the upper end of eccentric hoop by the eccentric sphere pressure cap, and be tightly connected with eccentric hoop, the lower seal assembly comprises rubber sleeve and lower gland, rubber sleeve is fixed by being located at the intraluminal shoulder of eccentric sphere joint, lower gland is against on the rubber sleeve, lower gland exceeds eccentric sphere upper end of joint mouth, transition joint is screwed onto the eccentric sphere upper end of joint and connects by seal, be provided with in the transition joint tube chamber, lower shoulder, press down on the lower shoulder that the set upper side is against transition joint, upper black box comprises packing and upper gland, packing is against on the upper shoulder of transition joint, upper gland is against on the packing, upper gland exceeds the transition joint upper port, locking nut is screwed onto transition joint upper end, locking nut be provided with interior shoulder be against the gland upper end and with upper gland or transition joint between be connected by seal.
Technique effect of the present utility model is: but it has advantages of rational in infrastructure, long service life automatic aligning, but the Effective Raise operating efficiency, prolong maintenance period, be that substantial contribution is saved in the oil field.
Description of drawings
Fig. 1 is sectional structure schematic diagram of the present utility model.
The specific embodiment
As shown in Figure 1, it comprises eccentric sphere joint 1, eccentric hoop 2, eccentric sphere pressure cap 3, the lower seal assembly, transition joint 4, upper black box and locking nut 5, eccentric sphere joint 1 is provided with the body of eccentric spherical body for the lower end, upper orifice place and eccentric sphere pressure cap 3 places suitable for reading of eccentric hoop 2 are provided with respectively the Internal Spherical Surface that matches with the spherical surface body of eccentric sphere joint 1 lower end, eccentric sphere pressure cap 3 is screwed onto eccentric hoop 2 upper ends, eccentric sphere joint 1 can be rotatably fixed to along the spherical surface body centre of sphere of its lower end the upper end of eccentric hoop 2 by eccentric sphere pressure cap 3, and be tightly connected with eccentric hoop 2, the lower seal assembly comprises rubber sleeve 6 and lower gland 7, rubber sleeve 6 is fixed by being located at eccentric sphere joint 1 intraluminal shoulder, lower gland 7 is against on the rubber sleeve 6, lower gland 7 exceeds eccentric sphere joint 1 upper port, transition joint 4 is screwed onto eccentric sphere joint 1 upper end and connects by seal, be provided with in transition joint 4 tube chambers, lower shoulder, lower gland 7 upper ends are against on the lower shoulder of transition joint 4, upper black box comprises packing 8 and upper gland 9, packing 8 is against on the upper shoulder of transition joint 4, upper gland 9 is against on the packing 8, upper gland 9 exceeds transition joint 4 upper port, locking nut 5 is screwed onto transition joint 4 upper ends, and locking nut 5 is provided with interior shoulder and is against gland 9 upper ends and is connected by seal with upper gland 9 or 4 of transition joints.
The bossed ball chamber 10 of receiving is established in described transition joint 4 in the stage casing, described packing 8 lower ends are provided with anti-spray seat 11 and are against on the upper shoulder of transition joint 4, receiving ball chamber 10 is built-in with spray-proof ball 12, can form sealing with anti-spray seat 11 behind the rod broken under the effect that well is pressed.
Described rubber sleeve 6 lower ends are provided with lower nylon jacket 13 and are against on the shoulder in the eccentric sphere joint 1.
Be fixed with upper nylon jacket 14 by shoulder in the upper end tube chamber of described upper gland 9.
Described locking nut 5 is provided with handle 15, and locking nut 5 lower ends are provided with back of the body cap 16.
Described packing 8 is the helical form of whole piece.
1 of described transition joint 4 and eccentric sphere joint are provided with anti-theft bolt 17 lockings.
1 of described eccentric sphere pressure cap 3 and eccentric sphere joint are provided with anti-theft bolt 17 lockings.
During use, can and unclamp the back of the body cap 16 of locking nut 5 lower ends by locking, operating grip 15 carries out the application of force to rubber sleeve 6 and packing 8 respectively.
The utility model has installed the blowout prevention ball additional, and valve ball closes well head under the effect of borehole pressure when sucker rod ruptures suddenly, prevents from that crude oil from leaking to cause environmental pollution accident.Adopt special-purpose special kit operation, other instrument can't be opened the well head stolen problem that solved.Packing 8 adopts leptospira structures, includes 8-10 layer oil resistant, wear-resisting cord fabric makes it more wear-resisting, and longer service life is convenient and swift during replacing.Adopt the eccentric design of between centers, be convenient to adjust the well head center line at the dress well or in producing, effectively prevent sucker rod partial wear.Install the rubber sleeve valve in inside additional, reduced the opening times of paraffin valve, also can replace the wax removal lock to save substantial contribution.
Claims (8)
1. clamp connection type blowout preventer, it is characterized in that, it comprises eccentric sphere joint (1), eccentric hoop (2), eccentric sphere pressure cap (3), the lower seal assembly, transition joint (4), upper black box and locking nut (5), eccentric sphere joint (1) is provided with the body of eccentric spherical body for the lower end, upper orifice place and eccentric sphere pressure cap (3) place suitable for reading of eccentric hoop (2) are provided with respectively the Internal Spherical Surface that matches with the spherical surface body of eccentric sphere joint (1) lower end, eccentric sphere pressure cap (3) is screwed onto eccentric hoop (2) upper end, eccentric sphere joint (1) can be rotatably fixed to along the spherical surface body centre of sphere of its lower end the upper end of eccentric hoop (2) by eccentric sphere pressure cap (3), and be tightly connected with eccentric hoop (2), the lower seal assembly comprises rubber sleeve (6) and lower gland (7), rubber sleeve (6) is fixed by being located at the intraluminal shoulder of eccentric sphere joint (1), lower gland (7) is against on the rubber sleeve (6), lower gland (7) exceeds eccentric sphere joint (1) upper port, transition joint (4) is screwed onto eccentric sphere joint (1) upper end and connects by seal, be provided with in transition joint (4) tube chamber, lower shoulder, lower gland (7) upper end is against on the lower shoulder of transition joint (4), upper black box comprises packing (8) and upper gland (9), packing (8) is against on the upper shoulder of transition joint (4), upper gland (9) is against on the packing (8), upper gland (9) exceeds transition joint (4) upper port, locking nut (5) is screwed onto transition joint (4) upper end, locking nut (5) be provided with interior shoulder be against gland (9) upper end and with upper gland (9) or transition joint (4) between be connected by seal.
2. clamp connection type blowout preventer as claimed in claim 1, it is characterized in that, the bossed ball chamber (10) of receiving is established in described transition joint (4) in the stage casing, described packing (8) lower end is provided with anti-spray seat (11) and is against on the upper shoulder of transition joint (4), receiving ball chamber (10) is built-in with spray-proof ball (12), can form sealing with anti-spray seat (11) behind the rod broken under the effect that well is pressed.
3. clamp connection type blowout preventer as claimed in claim 1 is characterized in that, described rubber sleeve (6) lower end is provided with lower nylon jacket (13) and is against on the interior shoulder of eccentric sphere joint (1).
4. clamp connection type blowout preventer as claimed in claim 1 is characterized in that, is fixed with upper nylon jacket (14) by shoulder in the upper end tube chamber of described upper gland (9).
5. clamp connection type blowout preventer as claimed in claim 1 is characterized in that, described locking nut (5) is provided with handle (15), and locking nut (5) lower end is provided with back of the body cap (16).
6. clamp connection type blowout preventer as claimed in claim 1 or 2 is characterized in that, described packing (8) is the helical form of whole piece.
7. clamp connection type blowout preventer as claimed in claim 1 or 2 is characterized in that, is provided with anti-theft bolt (17) locking between described transition joint (4) and eccentric sphere joint (1).
8. clamp connection type blowout preventer as claimed in claim 1 is characterized in that, is provided with anti-theft bolt (17) locking between described eccentric sphere pressure cap (3) and eccentric sphere joint (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220473983.7U CN202767934U (en) | 2012-09-18 | 2012-09-18 | Clamp connection type well shutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220473983.7U CN202767934U (en) | 2012-09-18 | 2012-09-18 | Clamp connection type well shutting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202767934U true CN202767934U (en) | 2013-03-06 |
Family
ID=47774517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220473983.7U Expired - Lifetime CN202767934U (en) | 2012-09-18 | 2012-09-18 | Clamp connection type well shutting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202767934U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105888597A (en) * | 2016-06-02 | 2016-08-24 | 富振海 | Universal wellhead centering device of oil pumping unit |
-
2012
- 2012-09-18 CN CN201220473983.7U patent/CN202767934U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105888597A (en) * | 2016-06-02 | 2016-08-24 | 富振海 | Universal wellhead centering device of oil pumping unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202081851U (en) | Polish rod sealing apparatus | |
| CN107178333B (en) | Polished rod sealer | |
| CN2937459Y (en) | Double-offset polish rod sealer for pumping well | |
| CN105089538A (en) | Sealing structure of rod oil producing wellhead polish rod | |
| CN204040979U (en) | Hi-pot test well low frictional resistance logging cable sealer | |
| CN202391375U (en) | Self-pressurizing self-lubricating offset-regulating sealing device for polish rod | |
| CN105156040A (en) | Splash-proof joint of square drill rod | |
| CN202767934U (en) | Clamp connection type well shutting device | |
| CN202417379U (en) | Novel polished rod sealing device for wellhead of oil pumping well | |
| CN203978364U (en) | Super energy-conservation disconnected bar shut-in well injecting glue grain packing box | |
| CN204691721U (en) | A kind of hermetically-sealed construction having bar production wellhead polished rod | |
| CN202215182U (en) | Double-seal lubrication type self-sealing packer box | |
| CN201671585U (en) | Eccentric wear and spray prevention well mouth seal device | |
| CN204492737U (en) | Oil field shaft mouth sealing device | |
| CN216974785U (en) | Be used for intermittent type to go out dry grinding lubricating arrangement of liquid oil well polished rod | |
| CN207960565U (en) | A kind of series connection blowout prevention box of cone seal | |
| CN202300296U (en) | Double-rubber-barrel annular blowout preventer | |
| CN201184171Y (en) | Bias-wearing-proof pumping unit | |
| CN202266225U (en) | Device for lubricating polish rod of oil pumping unit | |
| CN208010307U (en) | One kind filling in the energy-saving wellhead sealing device of formula | |
| CN201416407Y (en) | Energy-saving multistage sealed stuffing box | |
| CN204782899U (en) | Sealed ware of beam -pumping unit well head of worm linkage | |
| CN204532133U (en) | A kind of piston type intelligent conversion joint | |
| CN2731079Y (en) | Wearing-resisting smooth rod seal device for oil pumping well head | |
| CN201137472Y (en) | Flushing rotary oil rig tap flushing assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: MUDANJIANG JINHUAN PETROCHEMICAL EQUIPMENT Co.,Ltd. Assignor: MUDANJIANG JINHUAN PETROCHEMICAL EQUIPMENT Co.,Ltd.|Zhou Hongqing Contract record no.: 2015230000080 Denomination of utility model: Clamp connection type well shutting device Granted publication date: 20130306 License type: Exclusive License Record date: 20150616 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130306 |
|
| CX01 | Expiry of patent term |