CN217270106U - Well head sealing device convenient for taking out packing - Google Patents
Well head sealing device convenient for taking out packing Download PDFInfo
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- CN217270106U CN217270106U CN202220319023.9U CN202220319023U CN217270106U CN 217270106 U CN217270106 U CN 217270106U CN 202220319023 U CN202220319023 U CN 202220319023U CN 217270106 U CN217270106 U CN 217270106U
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Abstract
The utility model provides a well head sealing device convenient to take out packing relates to the oil well safety field. This well head sealing device convenient to take out packing includes sealing device shell, top cap, mounting hole and packing main part, the packing main part sets up inside the sealing device shell, packing main part bottom both sides all are provided with sealed piece, sealed piece one side fixedly connected with hydraulic rod. This well head sealing device convenient to take out packing, through the diverter valve, the outer loop, the chute, the diversion trench infuses fluid to hydraulic rod inside, make hydraulic rod work promote sealed piece to the polished rod removal that has run through the mounting hole, make sealed piece, form between sealing device shell and the polished rod sealed, avoid the inside condition of sealing device shell bottom oil well to dismantle the installation of packing main part and cause the influence, reduce the preparation work that needs go on when packing main part installation is dismantled, guarantee the efficiency that packing main part installation was dismantled, improve the efficiency that the staff dismantled the packing main part.
Description
Technical Field
The utility model relates to a sealing device, the well head sealing device who specifically takes out the packing for convenient, belong to oil well safety technical field.
Background
The blowout preventer is the key part of well control device, and the predominant use is at well drilling, well workover and well testing in-process control well head pressure, can effectually prevent the emergence of blowout accident, realize safe production, when having the polished rod in the well, form annular space between the sealer of corresponding specification and the polished rod of fitting, utilize packing spare to seal usually between sealer and the polished rod, because polished rod and packing spare continuously rub for the packing spare is fragile, and then is necessary to packing spare periodic replacement.
Present well head sealer is when using, and well head sealer utilizes instrument such as screwdriver to detain the packing by the workman usually when changing the packing, because the operation space is narrow and small to need carry out pressure release preparation work such as diversion in advance, this in-process not only damages equipment easily, need consume more time moreover, and then has reduced work efficiency, is unfavorable for carrying out quick installation dismantlement to the packing, has reduced staff's the efficiency of packing is dismantled in the installation, influences the convenience that well head sealer used.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model aims at providing a be convenient for take out well head sealing device of packing in order to solve above-mentioned problem to solve among the prior art operation space narrow and small, and need carry out preparation work such as pressure release diversion in advance, this in-process not only damages equipment easily, need consume more time moreover, and then has reduced work efficiency, is unfavorable for carrying out the problem of quick installation dismantlement to the packing.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: well head sealing device convenient to take out packing, including sealing device shell, top cap, mounting hole and packing main part, the packing main part sets up inside the sealing device shell, packing main part bottom both sides all are provided with sealed piece, sealed piece one side fixedly connected with hydraulic rod, fixedly connected with mounting panel between hydraulic rod and the sealing device shell, the guiding gutter has been seted up to mounting panel one side, the fixed cover in the sealing device shell outside is equipped with the outer loop, outer loop top one side fixedly connected with diverter valve.
Preferably, the mounting panel top is provided with the support ring, support ring fixed connection is inside the sealing device shell, the support ring sets up in packing main part bottom and contacts with the packing main part, the mounting hole is seted up at the top cap top and is run through the sealing device shell, supports the restriction at the sealing device shell inner chamber top with the packing main part through the support ring, guarantees the stability of support ring work.
Preferably, guiding gutter one end runs through the sealing device shell, guiding gutter cross sectional shape sets up to the Z shape, the chute has all been seted up to outer loop bottom both sides, two chute one end extends respectively into inside two guiding gutters, the guiding gutter other end all extends into inside the outer loop, inside the guiding valve bottom extends into the outer loop, the defeated oil pipe of guiding valve top fixedly connected with, through chute and guiding gutter intercommunication between the inside and the hydraulic push rod of outer loop, can be through guiding valve, outer loop, chute, guiding gutter to the inside fluid of instillation of hydraulic push rod.
Preferably, the sealing device shell top has been seted up and has been erect the groove, top cap bottom fixedly connected with screwed pipe, the screwed pipe set up in erect inslot portion and with sealing device shell threaded connection, through the screwed pipe with erect the groove with sealing device shell and top cap installation, rotatory top cap makes the screwed pipe leave and erects inslot portion, can accomplish the installation of sealing device shell and top cap and dismantle.
Preferably, the equal fixedly connected with in top cap top both sides dismantles the piece, top cap top one side is provided with the operation panel, the equal fixedly connected with inserted bar in operation panel one side both ends, two the inserted bar extends into two respectively and dismantles the piece inside, dismantles the piece at top cap top fixedly connected with, through operation panel and dismantlement piece cooperation, can be quick install the top cap and dismantle, guarantee the convenience of top cap operation.
Preferably, the sliding tray has been seted up at packing main part top, the inside both sides of sliding tray all are provided with the slider, sliding tray and slider cross sectional shape all set up to T shape, two the equal fixedly connected with riser in slider top, the riser both sides all are provided with splint, splint fixed connection is in the top cap bottom.
Preferably, horizontal thread groove has all been seted up to riser and splint, the inside threaded rod that is provided with of horizontal thread groove, threaded rod and splint and riser threaded connection, operation threaded rod make the threaded rod leave splint and riser, can get rid of the fixed of riser and top cap, get rid of packing main part and top cap fixedly.
The utility model provides a well head sealing device convenient to take out packing, its beneficial effect who possesses as follows:
1. this well head sealing device convenient to take out packing, through the diverter valve, the outer loop, the chute, the diversion trench infuses fluid to hydraulic rod inside, make hydraulic rod work promote sealed piece to the polished rod removal that has run through the mounting hole, make sealed piece, form between sealing device shell and the polished rod sealed, avoid the inside condition of sealing device shell bottom oil well to dismantle the installation of packing main part and cause the influence, reduce the preparation work that needs go on when packing main part installation is dismantled, guarantee the efficiency that packing main part installation was dismantled, improve the efficiency that the staff dismantled the packing main part.
2. This well head sealing device convenient to take out packing, rotatory top cap makes the screwed pipe leave and erects inside the groove, can accomplish the installation of sealing device shell and top cap and dismantle, the operating threaded rod makes the threaded rod leave splint and riser, can get rid of the fixed of riser and top cap, get rid of packing main part and top cap fixedly, accomplish the dismantlement of packing main part, guarantee the convenience that sealing device shell and top cap installation were dismantled, guarantee that the packing main part is dismantled quick convenient, guarantee the efficiency that the packing main part was dismantled.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a partial structure of the support ring of the present invention;
fig. 3 is a schematic structural view of the top cover of the present invention;
fig. 4 is an enlarged view of the part a of fig. 3 according to the present invention.
In the figure: 1. a sealing device housing; 2. a top cover; 3. an outer ring; 4. a threaded pipe; 5. a vertical slot; 6. a packing main body; 7. a sliding groove; 8. a slider; 9. a vertical plate; 10. a splint; 11. a threaded rod; 12. a support ring; 13. mounting a plate; 14. a hydraulic push rod; 15. a sealing block; 16. a diversion trench; 19. a chute; 20. a diverter valve; 21. mounting holes; 22. disassembling the block; 23. an operation panel.
Detailed Description
An embodiment of the utility model provides a well head sealing device convenient to take out packing.
In the technical scheme, the sealing device shell 1, the top cover 2, the outer ring 3, the packing main body 6 and the mounting hole 21 are all basic structures of the existing wellhead sealing device in the market, so that the sealing device shell 1, the top cover 2, the outer ring 3, the packing main body 6 and the mounting hole 21 in the technical scheme are not limited by basic components such as specific models, working principles, control modes and materials
Referring to fig. 1, 2, 3 and 4, the packing device comprises a sealing device shell 1, a top cover 2, a mounting hole 21 and a packing main body 6, wherein the packing main body 6 is arranged inside the sealing device shell 1, two sides of the bottom of the packing main body 6 are respectively provided with a sealing block 15, one side of the sealing block 15 is fixedly connected with a hydraulic push rod 14, a mounting plate 13 is fixedly connected between the hydraulic push rod 14 and the sealing device shell 1, the top of the mounting plate 13 is provided with a support ring 12, the support ring 12 is fixedly connected inside the sealing device shell 1, the support ring 12 is arranged at the bottom of the packing main body 6 and is in contact with the packing main body 6, the mounting hole 21 is arranged at the top of the top cover 2 and penetrates through the sealing device shell 1, one side of the mounting plate 13 is provided with a diversion trench 16, one end of the diversion trench 16 penetrates through the sealing device shell 1, the cross section of the diversion trench 16 is in a Z shape, two sides of the bottom of the outer ring 3 are provided with chutes 19, inside two chutes 19 one end extended into two guiding gutter 16 respectively, inside the guiding gutter 16 other end all extended into outer loop 3, inside guiding valve 20 bottom extended into outer loop 3, inside guiding valve 20 top fixedly connected with defeated oil pipe, 1 outside fixed cover of sealing device shell was equipped with outer loop 3, 3 top one side fixedly connected with guiding valve 20 of outer loop.
Specifically, a support ring 12 is fixedly connected inside a sealing device shell 1, a packing body 6 is supported and limited at the top of an inner cavity of the sealing device shell 1 through the support ring 12, sealing blocks 15 are arranged on two sides of the bottom of the packing body 6, a hydraulic push rod 14 is fixedly connected between the sealing blocks 15 and the sealing device shell 1 through a mounting plate 13, when the two sealing blocks 15 move to contact with each other, the sealing blocks 15 and a polish rod form a seal, a diversion valve 20 is fixedly connected to the top of an outer ring 3 sleeved outside the sealing device shell 1, the inside of the outer ring 3 is communicated with the hydraulic push rod 14 through a chute 19 and a diversion groove 16, oil can be infused into the hydraulic push rod 14 through the diversion valve 20, the outer ring 3, the chute 19 and the diversion groove 16, so that the hydraulic push rod 14 works to push the sealing blocks 15 to move towards the polish rod penetrating through the mounting hole 21, and the sealing blocks 15 are supported and limited at the top of the inner cavity of the sealing device shell 1 through the support ring 12, and the sealing blocks 15 are fixedly connected with the hydraulic push rod 14 through the sealing blocks 15, and the diversion valve 20 and the top of the outer ring 3 and the hydraulic push rod 14 are connected with the hydraulic push rod 3 through the diversion valve 20 and the diversion groove 16, Form between sealing device shell 1 and the polished rod sealedly, avoid 1 bottom oil well internal conditions of sealing device shell to lead to the fact the influence to the installation dismantlement of packing main part 6, reduce the preparation work that needs go on when 6 installations of packing main part are dismantled, guarantee the efficiency that 6 installations of packing main part were dismantled, improve the efficiency that the staff dismantled packing main part 6.
Referring to fig. 2, 3 and 4 again, a vertical groove 5 is formed at the top of the sealing device shell 1, a threaded pipe 4 is fixedly connected to the bottom of the top cover 2, the threaded pipe 4 is arranged in the vertical groove 5 and is in threaded connection with the sealing device shell 1, dismounting blocks 22 are fixedly connected to both sides of the top cover 2, an operation plate 23 is arranged at one side of the top cover 2, insertion rods are fixedly connected to both ends of one side of the operation plate 23, the two insertion rods extend into the two dismounting blocks 22 respectively, a sliding groove 7 is formed at the top of the packing main body 6, sliding blocks 8 are arranged on both sides of the inside of the sliding groove 7, the cross-sectional shapes of the sliding groove 7 and the sliding block 8 are both in a T shape, a vertical plate 9 is fixedly connected to the tops of the two sliding blocks 8, clamping plates 10 are arranged on both sides of the vertical plate 9, transverse threaded grooves are both formed in the vertical plate 9 and the clamping plates 10, a threaded rod 11 is arranged in the transverse threaded groove, and the threaded rod 11 is in threaded connection with the clamping plates 10 and the vertical plate 9, the clamping plate 10 is fixedly connected to the bottom of the top cover 2.
Specifically, a threaded pipe 4 fixed at the bottom of a top cover 2 is arranged inside a vertical groove 5 formed in a sealing device shell 1, the sealing device shell 1 and the top cover 2 are installed through the threaded pipe 4 and the vertical groove 5, the top cover 2 is rotated to enable the threaded pipe 4 to leave the vertical groove 5, the installation and the disassembly of the sealing device shell 1 and the top cover 2 can be completed, a sliding block 8 is arranged inside a sliding groove 7 formed at the top of a packing main body 6, a vertical plate 9 fixed at the top of the sliding block 8 is arranged between two clamping plates 10 fixed at the bottom of the top cover 2, the packing main body 6 is installed at the bottom of the top cover 2 through the vertical plate 9 and the clamping plates 10, the sliding block 8 is arranged inside the sliding groove 7, the top cover 2 can rotate freely, a threaded rod 11 is operated to enable a threaded rod 11 to leave the clamping plates 10 and the vertical plate 9, the vertical plate 9 and the top cover 2 can be fixed, and the packing main body 6 and the top cover 2 are removed and fixed, the dismantlement of completion packing main part 6 guarantees the convenience that sealing device shell 1 and top cap 2 installation were dismantled, guarantees that the packing main part 6 is dismantled quick convenient, guarantees the efficiency that packing main part 6 was dismantled.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. Well head sealing device convenient to take out packing includes sealing device shell (1), top cap (2), mounting hole (21) and packing main part (6), its characterized in that: packing main part (6) set up inside sealing device shell (1), packing main part (6) bottom both sides all are provided with seal block (15), seal block (15) one side fixedly connected with hydraulic rod (14), fixedly connected with mounting panel (13) between hydraulic rod (14) and sealing device shell (1), guiding gutter (16) have been seted up to mounting panel (13) one side, the fixed cover in sealing device shell (1) outside is equipped with outer ring (3), outer ring (3) top one side fixedly connected with diverter valve (20).
2. The wellhead sealing device for facilitating removal of packing of claim 1, wherein: mounting panel (13) top is provided with support ring (12), support ring (12) fixed connection is inside sealing device shell (1), support ring (12) set up in packing main part (6) bottom and contact with packing main part (6), mounting hole (21) are seted up in top cap (2) top and are run through sealing device shell (1).
3. The wellhead sealing device for facilitating removal of packing of claim 1, wherein: sealing device shell (1) is run through to guiding gutter (16) one end, guiding gutter (16) cross sectional shape sets up to Z shape, chute (19), two have all been seted up to outer ring (3) bottom both sides chute (19) one end extends respectively into inside two guiding gutters (16), inside guiding gutter (16) other end all extends into outer ring (3), inside guiding valve (20) bottom extends into outer ring (3), inside guiding valve (20) top fixedly connected with defeated oil pipe.
4. The wellhead sealing device for facilitating removal of packing of claim 1, wherein: the sealing device is characterized in that a vertical groove (5) is formed in the top of the sealing device shell (1), a threaded pipe (4) is fixedly connected to the bottom of the top cover (2), and the threaded pipe (4) is arranged in the vertical groove (5) and is in threaded connection with the sealing device shell (1).
5. The wellhead sealing device for facilitating packing removal of claim 1, wherein: the equal fixedly connected with in top cap (2) top both sides dismantles piece (22), top cap (2) top one side is provided with operation panel (23), the equal fixedly connected with inserted bar in operation panel (23) one side both ends, two the inserted bar extends respectively and dismantles inside piece (22).
6. The wellhead sealing device for facilitating removal of packing of claim 1, wherein: sliding tray (7) have been seted up at packing main part (6) top, sliding tray (7) inside both sides all are provided with slider (8), sliding tray (7) and slider (8) cross sectional shape all set up to T shape, two the equal fixedly connected with riser (9) in slider (8) top, riser (9) both sides all are provided with splint (10), splint (10) fixed connection is in top cap (2) bottom.
7. The wellhead sealing device for facilitating removal of packing of claim 6, wherein: horizontal thread groove has all been seted up to riser (9) and splint (10), horizontal thread groove is inside to be provided with threaded rod (11), threaded rod (11) and splint (10) and riser (9) threaded connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220319023.9U CN217270106U (en) | 2022-02-17 | 2022-02-17 | Well head sealing device convenient for taking out packing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220319023.9U CN217270106U (en) | 2022-02-17 | 2022-02-17 | Well head sealing device convenient for taking out packing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217270106U true CN217270106U (en) | 2022-08-23 |
Family
ID=82853959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220319023.9U Active CN217270106U (en) | 2022-02-17 | 2022-02-17 | Well head sealing device convenient for taking out packing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217270106U (en) |
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2022
- 2022-02-17 CN CN202220319023.9U patent/CN217270106U/en active Active
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