CN214330581U - Oil recovery well head screw thread protection device - Google Patents
Oil recovery well head screw thread protection device Download PDFInfo
- Publication number
- CN214330581U CN214330581U CN202120248184.9U CN202120248184U CN214330581U CN 214330581 U CN214330581 U CN 214330581U CN 202120248184 U CN202120248184 U CN 202120248184U CN 214330581 U CN214330581 U CN 214330581U
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- China
- Prior art keywords
- protection
- fixedly connected
- screw thread
- protection device
- thread
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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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- 238000011084 recovery Methods 0.000 title claims abstract description 15
- 230000001681 protective effect Effects 0.000 claims description 22
- 238000007789 sealing Methods 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 9
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 9
- 241001330002 Bambuseae Species 0.000 abstract description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 9
- 239000011425 bamboo Substances 0.000 abstract description 9
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 23
- 239000010687 lubricating oil Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 244000309464 bull Species 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model belongs to the technical field of the screw thread protection device, especially, be an oil recovery well head screw thread protection device, including the protection inner tube, the internal thread has been seted up to the inner wall of protection inner tube, the flexible section of thick bamboo of top fixedly connected with of protection inner tube, the one end fixedly connected with protection urceolus of a flexible section of thick bamboo, reset spring has been cup jointed on the surface of a flexible section of thick bamboo, the top fixedly connected with locating lever of protection inner tube, the locating hole has been seted up at the top of protection urceolus. The utility model discloses a under the cooperation between protection inner tube and the internal thread for can with well head screw thread threaded connection when using, thereby can realize the protection to the screw thread, through the cooperation between flexible section of thick bamboo, reset spring, locating lever and the locating hole under, make conveniently dismantle protection device, thereby be favorable to can connecting the well head screw thread fast fixedly, and then prevent that external factors from influencing that protection device is fixed with being connected of screw thread, avoid protection device to break away from.
Description
Technical Field
The utility model relates to a screw thread protection device technical field specifically is an oil recovery well head screw thread protection device.
Background
At salvaging the polished rod in-process, need to unload the polished rod sealing device of oil recovery well head top, the elevator of salvaging the polished rod often needs to be sat on the oil recovery well head, because the weight of elevator and polished rod is great, the elevator harms the screw thread of oil recovery well head easily, makes oil recovery well head and polished rod sealing device make the cross-thread difficulty, has increased intensity of labour, activity duration, leads to the oil recovery well head to scrap even, brings direct economic loss.
The existing wellhead screw thread protection device also has the following problems:
1. the well mouth screw thread can not be connected with the well mouth screw thread quickly, and the screw thread can not be protected, so that the well mouth screw thread can not be connected and fixed quickly, and the connection and the fixation of the protection device and the screw thread can be influenced easily by external factors, and the protection device can be separated;
2. the well head screw thread threaded connection is not convenient to fill lubricating oil, so that the convenience in installation is effectively reduced, and the safety of the well head screw thread is easily reduced.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides an oil recovery well head screw thread protection device has solved can not be fast with well head screw thread threaded connection, can not be to the protection of screw thread with be not convenient for to the problem of well head screw thread threaded connection filling lubricating oil.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: an oil extraction well head screw thread protection device comprises a protection inner cylinder, wherein the inner wall of the protection inner cylinder is provided with an internal thread, the top of the protective inner cylinder is fixedly connected with a telescopic cylinder, one end of the telescopic cylinder is fixedly connected with a protective outer cylinder, the surface of the telescopic cylinder is sleeved with a return spring, the top of the protective inner cylinder is fixedly connected with a positioning rod, the top of the protection outer cylinder is provided with a positioning hole which is positioned right above the positioning rod, the bottom of the protective inner cylinder is fixedly connected with a fixed ring, the surface of the protective inner cylinder is fixedly connected with an oil filling pipe, one end of the oil filling pipe is provided with an external thread, the surface of the external thread is connected with a sealing cap through a thread, the surface fixed connection of protection inner tube has the dead lever, the surface of dead lever is provided with connects the rope, the one end fixed connection sealing cap of connecting the rope.
As the utility model discloses a preferred technical scheme, gu there is the threaded rod fixed ring's surface through threaded connection, the one end fixed bearing rotation of threaded rod is connected with the centre gripping cover, the shape of centre gripping cover is half arc.
As a preferred technical scheme of the utility model, the rectangular channel has been seted up on the surface of protection urceolus, it is located the inner wall of rectangular channel to add the oil pipe.
As an optimal technical scheme of the utility model, the one end fixedly connected with of threaded rod changes the handle, change the antiskid line of having seted up of handle.
As an optimized technical scheme of the utility model, the side fixedly connected with bull stick handle of protection urceolus, the quantity of bull stick handle is two sets of.
As a preferred technical scheme of the utility model, the top fixedly connected with protective housing of protection urceolus, the protective housing is located the positive top of locating hole.
(III) advantageous effects
Compared with the prior art, the utility model provides an oil recovery well head screw thread protection device possesses following beneficial effect:
1. this oil recovery well head screw thread protection device, under the cooperation through between protection inner tube and the internal thread, make when using can with well head screw thread threaded connection, thereby can realize the protection to the screw thread, through a flexible section of thick bamboo, reset spring, under the cooperation between locating lever and the locating hole, make conveniently dismantle protection device, thereby be favorable to can connecting the well head screw thread fast fixedly, and then prevent that external factors from influencing protection device and screw thread to be connected fixedly, avoid protection device to break away from.
2. This oil recovery well head screw thread protection device under the cooperation through adding oil pipe, external screw thread, sealing cap, dead lever and between the connection rope for be convenient for when using to well head screw thread threaded connection filling lubricating oil, thereby the convenience when having improved the installation effectively, and can further improve the security of well head screw thread through lubricating oil.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic front view of the present invention;
fig. 3 is an enlarged view of a portion a in fig. 2 according to the present invention.
In the figure: 1. protecting the inner cylinder; 2. an internal thread; 3. a telescopic cylinder; 4. a return spring; 5. protecting the outer cylinder; 6. positioning a rod; 7. positioning holes; 8. a fixing ring; 9. an oil filler tube; 10. an external thread; 11. a sealing cap; 12. fixing the rod; 13. connecting ropes; 14. a rectangular groove; 15. a threaded rod; 16. a clamping sleeve; 17. turning a handle; 18. a rotating rod handle; 19. a protective shell.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides an oil recovery well head screw thread protection device, including protection inner tube 1, internal thread 2 has been seted up to the inner wall of protection inner tube 1, the flexible section of thick bamboo 3 of top fixedly connected with of protection inner tube 1, the one end fixedly connected with protection urceolus 5 of flexible section of thick bamboo 3, reset spring 4 has been cup jointed on the surface of flexible section of thick bamboo 3, the top fixedly connected with locating lever 6 of protection inner tube 1, locating hole 7 has been seted up at the top of protection urceolus 5, locating hole 7 is located locating lever 6 directly over, the solid fixed ring 8 of bottom fixedly connected with of protection inner tube 1, the fixed surface of protection inner tube 1 is connected with adds oil pipe 9, add oil pipe 9's one end and seted up external screw thread 10, there is sealing cap 11 on the surface of external screw thread 10 through threaded connection, the fixed surface of protection inner tube 1 is connected with dead lever 12, the surface of dead lever 12 is provided with connection rope 13, connect rope 13's one end fixed connection sealing cap 11.
In this embodiment, under the cooperation through between protection inner tube 1 and the internal thread 2, can with well head screw thread threaded connection when making use, thereby can realize the protection to the screw thread, through a flexible section of thick bamboo 3, reset spring 4, under the cooperation between locating lever 6 and the locating hole 7, make conveniently dismantle protection device, thereby be favorable to can be fast connecting well head screw thread fixedly, and then prevent that external factors from influencing that protection device is fixed with being connected of screw thread, avoid protection device to break away from.
Specifically, the surface of the fixing ring 8 is connected with a threaded rod 15 through threads, one end of the threaded rod 15 is rotatably connected with a clamping sleeve 16 through a fixed bearing, and the clamping sleeve 16 is in a semi-arc shape.
In the present embodiment, the clamping sleeve 16 is semi-arc shaped, so that two sides of the tie-lace can be simultaneously pressed and fixed.
Specifically, a rectangular groove 14 is formed in the surface of the protective outer cylinder 5, and the oil filling pipe 9 is located on the inner wall of the rectangular groove 14.
In this embodiment, the oil filling pipe 9 is located on the inner wall of the rectangular groove 14, so that the outer protective cylinder 5 does not collide with the surface of the oil filling pipe 9 when moving downward.
Specifically, one end of the threaded rod 15 is fixedly connected with a rotating handle 17, and the rotating handle 17 is provided with anti-skid grains.
In this embodiment, the rotation rod handle 18 is fixedly connected to one end of the threaded rod 15, so that the threaded rod 15 can be rotated conveniently.
Specifically, the side edges of the protective outer cylinder 5 are fixedly connected with rotating rod handles 18, and the number of the rotating rod handles 18 is two.
In this embodiment, the rotation bar handle 18 fixedly connected to the side of the protection outer cylinder 5 further enables the protection outer cylinder 5 to rotate in a labor-saving manner.
Specifically, the top of the protection outer cylinder 5 is fixedly connected with a protection shell 19, and the protection shell 19 is located above the front face of the positioning hole 7.
In this embodiment, the top of the protection outer cylinder 5 can be fixed by the protection shell 19 fixedly connected with the top of the protection outer cylinder 5, so that the positioning hole 7 is not easily affected by external factors.
The utility model discloses a theory of operation and use flow: in the using process, firstly, the inner thread 2 in the protective inner cylinder 1 is in threaded connection with a well mouth screw thread, the protective device is fixed with the well mouth screw thread, so that the screw thread is protected, the sealing cap 11 can be loosened during connection, so that the sealing cap 11 and the outer thread 10 can be separated conveniently, further, lubricating oil can be conveniently filled on the surface of the well mouth screw thread, the problem that the well mouth screw thread is inconvenient to be filled with the lubricating oil is effectively solved, the safety of the well mouth screw thread can be further improved through the lubricating oil, when the protective device needs to be disassembled, the protective outer cylinder 5 is pressed, so that the telescopic cylinder 3 drives the reset spring 4 to be compressed, the positioning rod 6 penetrates through the positioning hole 7, at the moment, the protective outer cylinder 5 is rotated, so that the protective inner cylinder 1 can be driven to rotate, further, the inner thread 2 and the screw thread can be conveniently separated, and the disassembly of the protective device is realized, the fixing of the protection device is facilitated, the protection device is prevented from being influenced by external factors and fixed to be connected with the screw thread, the protection device is prevented from being separated, the threaded rod 15 on the surface of the fixing ring 8 is rotated, and therefore the clamping sleeve 16 can be adjusted to be in extrusion contact with the well mouth screw thread, positioning supporting force is formed, and the protection effect is achieved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides an oil recovery well head screw thread protection device, includes protection inner tube (1), its characterized in that: the inner wall of the protection inner cylinder (1) is provided with an internal thread (2), the top of the protection inner cylinder (1) is fixedly connected with a telescopic cylinder (3), one end of the telescopic cylinder (3) is fixedly connected with a protection outer cylinder (5), the surface of the telescopic cylinder (3) is sleeved with a reset spring (4), the top of the protection inner cylinder (1) is fixedly connected with a positioning rod (6), the top of the protection outer cylinder (5) is provided with a positioning hole (7), the positioning hole (7) is positioned right above the positioning rod (6), the bottom of the protection inner cylinder (1) is fixedly connected with a fixing ring (8), the surface of the protection inner cylinder (1) is fixedly connected with an oil filling pipe (9), one end of the oil filling pipe (9) is provided with an external thread (10), the surface of the external thread (10) is connected with a sealing cap (11) through a thread, the surface of the protection inner cylinder (1) is fixedly connected with a fixing rod (12), the surface of the fixed rod (12) is provided with a connecting rope (13), and one end of the connecting rope (13) is fixedly connected with a sealing cap (11).
2. The production wellhead thread protection device of claim 1, wherein: the surface of the fixing ring (8) is connected with a threaded rod (15) through threads, a bearing is fixed at one end of the threaded rod (15) and is rotatably connected with a clamping sleeve (16), and the clamping sleeve (16) is in a semi-arc shape.
3. The production wellhead thread protection device of claim 1, wherein: the surface of the protective outer cylinder (5) is provided with a rectangular groove (14), and the oil filling pipe (9) is located on the inner wall of the rectangular groove (14).
4. The production wellhead thread protection device of claim 2, wherein: one end of the threaded rod (15) is fixedly connected with a rotating handle (17), and the rotating handle (17) is provided with anti-skid grains.
5. The production wellhead thread protection device of claim 1, wherein: the side edge of the protective outer cylinder (5) is fixedly connected with rotating rod handles (18), and the number of the rotating rod handles (18) is two.
6. The production wellhead thread protection device of claim 1, wherein: the top of protection urceolus (5) fixedly connected with protective housing (19), protective housing (19) are located the front top of locating hole (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120248184.9U CN214330581U (en) | 2021-01-27 | 2021-01-27 | Oil recovery well head screw thread protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120248184.9U CN214330581U (en) | 2021-01-27 | 2021-01-27 | Oil recovery well head screw thread protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214330581U true CN214330581U (en) | 2021-10-01 |
Family
ID=77907165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120248184.9U Expired - Fee Related CN214330581U (en) | 2021-01-27 | 2021-01-27 | Oil recovery well head screw thread protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214330581U (en) |
-
2021
- 2021-01-27 CN CN202120248184.9U patent/CN214330581U/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 |
Granted publication date: 20211001 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |