CN218150865U - Plug valve for petroleum drilling - Google Patents
Plug valve for petroleum drilling Download PDFInfo
- Publication number
- CN218150865U CN218150865U CN202221444450.6U CN202221444450U CN218150865U CN 218150865 U CN218150865 U CN 218150865U CN 202221444450 U CN202221444450 U CN 202221444450U CN 218150865 U CN218150865 U CN 218150865U
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- Prior art keywords
- wall
- valve rod
- ball
- valve
- ring
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- Expired - Fee Related
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- 238000005553 drilling Methods 0.000 title claims abstract description 27
- 239000003208 petroleum Substances 0.000 title claims description 10
- 238000007789 sealing Methods 0.000 claims description 16
- 238000012856 packing Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 17
- 230000009471 action Effects 0.000 abstract description 7
- 239000012634 fragment Substances 0.000 abstract description 7
- 230000008676 import Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 238000010030 laminating Methods 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 239000000945 filler Substances 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a plug valve for oil drilling relates to oil industry well drilling technical field, including the cock valve body, the inside of cock valve body is provided with the cylinder, the import chamber has been seted up in the left side of cock valve body, the inner wall fixedly connected with assistance-localization real-time ring in import chamber, first ball groove has been seted up on the inner wall right side of assistance-localization real-time ring, the left side inner wall of assistance-localization real-time ring is opened there is the second ball groove. The utility model discloses a valve rod is at the in-process that reciprocates, and the first ball of multiunit and the second ball of its outer wall and the installation of supplementary holding ring inner wall are laminated, to the relative clamping action of its outer wall, guarantee the directive property of valve rod vertical direction upward movement, avoid taking place the skew and lead to excessive wearing and tearing, and first ball lies in the in-process of valve rod outer wall laminating and is in the roll state simultaneously, reduced and the valve rod between the frictional force, the reaction force that utilizes the supplementary shell fragment of arc deformation makes its outer wall with the valve rod can laminate more.
Description
Technical Field
The utility model relates to a petroleum industry well drilling technical field, concretely relates to plug valve for oil drilling.
Background
In oil and gas drilling operations, blowout is an undesirable event on any drilling rig because it endangers the lives of drilling crews, can damage the drilling rig, and contaminates the environment, often fluids or gases are ejected from the well with significant force, especially when the fluid is a gas, often resulting in a smoldering surface where the fluid causing the event is from underground rock, which is at abnormally high pressures, above normal.
When overflow or blowout occurs, the kelly plug valve is closed as soon as possible, the channel in the drilling tool is cut off, the water hose and ground equipment are prevented from being damaged by overhigh pressure in the drilling tool, and the aim of preventing blowout in the drilling tool is fulfilled.
However, the existing plug valve for petroleum drilling still has certain problems in the using process.
The following problems exist in the prior art:
the existing plug valve for petroleum drilling is influenced by fluid pressure in the using process, the valve rod is easy to deviate in the opening and closing processes to increase the frictional resistance with the inner wall of the valve body, excessive abrasion is caused, the sealing is not tight, and the leakage phenomenon is caused.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
the utility model provides a plug valve for oil drilling, includes the cock valve body, the inside of cock valve body is provided with the cylinder, the import chamber has been seted up in the left side of cock valve body, the inner wall fixedly connected with assistance-localization real-time ring in import chamber, first ball groove has been seted up on assistance-localization real-time ring's inner wall right side, the left side inner wall of assistance-localization real-time ring is opened there is the second ball groove, the inner wall swing joint in first ball groove has first ball, the inner wall swing joint in second ball groove has the second ball, the export chamber has been seted up on the right side of cock valve body.
The inner wall of the first ball groove is fixedly connected with an arc-shaped auxiliary elastic sheet, the left side of the arc-shaped auxiliary elastic sheet is fixedly connected with a bearing arc plate, the left side inner wall of the bearing arc plate is movably connected with the outer wall of the first ball, and the inner wall of the upper cylinder is movably connected with a valve rod.
Adopt above-mentioned technical scheme, the valve rod in this scheme is at the in-process that reciprocates, the first ball of multiunit and the second ball of its outer wall and the installation of auxiliary positioning ring inner wall are laminated, utilize first ball and second ball to the relative clamping action of its outer wall, guarantee the directive property of valve rod vertical direction upward movement, avoid taking place the skew and lead to excessive wearing and tearing, first ball lies in the in-process of valve rod outer wall laminating and is in the roll state simultaneously, reduced and the valve rod between the frictional force, reduce the influence of wearing and tearing each other, and first ball is at the supplementary shell fragment of rolling in-process atress compression arc, the reaction force that utilizes the supplementary shell fragment of arc deformation to make its outer wall with the valve rod can laminate more, guarantee the moment direction to valve rod direction centre gripping.
The utility model discloses technical scheme's further improvement lies in: the outer wall of the bottom end of the valve rod is movably connected with the inner wall of the auxiliary positioning ring, the top of the inner wall of the inlet cavity is provided with a circulation groove, and the outer wall of the auxiliary positioning ring is fixedly connected with a valve core.
The utility model discloses technical scheme's further improvement lies in: the outer wall of the valve core is movably connected with the inner wall of the circulation groove.
By adopting the technical scheme, the valve core in the scheme is butted with the circulation groove to complete the sealing of the cock valve body.
The utility model discloses technical scheme's further improvement lies in: the bottom end inner wall of the upper cylinder is fixedly connected with a sealing ring, the inner wall of the sealing ring is movably connected with the outer wall of the valve rod, a threaded inner ring is arranged above the sealing ring, and the inner wall of the threaded inner ring is in threaded connection with the outer wall of the valve rod.
Adopt above-mentioned technical scheme, the inner wall of the sealing ring in this scheme is closely laminated with the outer wall of valve rod, provides the valve rod and reciprocates the dynamic seal of in-process, uses with the cooperation of packing to guarantee the whole leakproofness of cock valve body.
The utility model discloses technical scheme's further improvement lies in: the inner wall of the upper column body is fixedly connected with a filler, and the inner wall of the filler is movably connected with the outer wall of the valve rod.
The utility model discloses technical scheme's further improvement lies in: the inner wall of the top end of the upper cylinder is fixedly connected with a threaded lantern ring, the upper surface of the threaded lantern ring is movably connected with a rotary table, and the inner wall of the rotary table is fixedly connected with the outer wall of the valve rod.
By adopting the technical scheme, the valve rod is driven to rotate by rotating the rotary table in the scheme, the valve rod moves downwards by utilizing the thread action of the thread sleeve ring and the inner wall of the thread inner ring until the valve core arranged on the outer wall of the valve rod is butted with the inner wall of the circulation groove, and the inlet cavity and the outlet cavity flow delivery channel are blocked.
Owing to adopted above-mentioned technical scheme, the utility model discloses relative prior art, the technological progress who gains is:
1. the utility model provides a plug valve for oil drilling, the valve rod is at the in-process that reciprocates, the first ball of multiunit and the second ball of its outer wall and the installation of auxiliary positioning ring inner wall are laminated, utilize first ball and second ball to the relative clamping action of its outer wall, guarantee the directive property of removal in the vertical direction of valve rod, avoid taking place the skew and lead to excessive wearing and tearing, solve current plug valve for oil drilling in the use, receive fluid pressure's influence, the valve rod is leading to with the increase of valve body inner wall frictional resistance in the easy skew of in-process of opening and closing, lead to wearing and tearing excessively, cause sealed not tight, the problem of seepage phenomenon appears.
2. The utility model provides a plug valve for oil drilling, first ball lie in the in-process of valve rod outer wall laminating and are in the roll state simultaneously, reduced and the valve rod between the frictional force, reduce the influence of wearing and tearing each other, first ball is at the supplementary shell fragment of rolling in-process atress compression arc, utilizes the reaction force of the supplementary shell fragment deformation of arc to make its and the outer wall of valve rod can laminate more, guarantees the moment direction to the valve rod direction centre gripping.
Drawings
FIG. 1 is a schematic view showing the structure of a cock body according to the present invention in detail;
FIG. 2 is an enlarged schematic view of the structure at the position A of the present invention;
FIG. 3 is an enlarged schematic view of the structure at the position B;
fig. 4 is an enlarged schematic view of the structure at position C of the present invention.
In the figure: 1. a plug valve body; 2. an inlet chamber; 3. an outlet chamber; 4. an upper column; 5. a filler; 6. a valve stem; 7. a turntable; 8. a threaded inner ring; 9. a seal ring; 10. a valve core; 11. a circulation tank; 12. an auxiliary positioning ring; 13. a threaded collar; 14. a first ball groove; 15. a second ball groove; 16. a first ball bearing; 17. a second ball bearing; 18. the arc-shaped auxiliary elastic sheet; 19. and the arc plate is supported.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
example 1
As shown in fig. 1-4, the utility model provides a plug valve for oil drilling, including plug valve body 1, plug valve body 1's inside is provided with cylinder 4, intake chamber 2 has been seted up in plug valve body 1's left side, intake chamber 2's inner wall fixedly connected with assistance-localization real-time ring 12, first ball groove 14 has been seted up on assistance-localization real-time ring 12's inner wall right side, assistance-localization real-time ring 12's left side inner wall is opened has second ball groove 15, first ball groove 14's inner wall swing joint has first ball 16, second ball groove 15's inner wall swing joint has second ball 17, outlet chamber 3 has been seted up on plug valve body 1's right side.
The supplementary shell fragment 18 of inner wall fixedly connected with arc of first ball groove 14, the arc board 19 is accepted to the left side fixedly connected with of the supplementary shell fragment 18 of arc, the outer wall swing joint of the left side inner wall of accepting the arc board 19 and first ball 16, the inner wall swing joint of going up cylinder 4 has valve rod 6, valve rod 6 is at the in-process that reciprocates, the laminating is carried out with the first ball 16 of multiunit and the second ball 17 of the installation of auxiliary positioning ring 12 inner wall to its outer wall, utilize first ball 16 and the relative clamping action of second ball 17 to its outer wall, guarantee the directive property of valve rod 6 vertical direction upward movement, avoid taking place the skew and lead to excessive wearing and tearing.
Example 2
As shown in fig. 1-4, on the basis of embodiment 1, the utility model provides a technical solution: preferably, the bottom outer wall of the valve rod 6 is movably connected with the inner wall of the auxiliary positioning ring 12, the circulation groove 11 is formed in the top of the inner wall of the inlet cavity 2, the outer wall of the auxiliary positioning ring 12 is fixedly connected with the valve core 10, the outer wall of the valve core 10 is movably connected with the inner wall of the circulation groove 11, the bottom inner wall of the upper cylinder 4 is fixedly connected with the sealing ring 9, the inner wall of the sealing ring 9 is movably connected with the outer wall of the valve rod 6, the upper portion of the sealing ring 9 is provided with the threaded inner ring 8, the inner wall of the threaded inner ring 8 is connected with the outer wall of the valve rod 6 in a threaded manner, the inner wall of the sealing ring 9 is tightly attached to the outer wall of the valve rod 6, dynamic sealing of the valve rod 6 in the up-down moving process is provided, and the dynamic sealing is matched with the packing 5, so that the overall sealing performance of the cock valve body 1 is guaranteed.
Go up the inner wall fixedly connected with filler 5 of cylinder 4, the inner wall of filler 5 and the outer wall swing joint of valve rod 6 go up the top inner wall fixedly connected with screw thread lantern ring 13 of cylinder 4, the upper surface swing joint of screw thread lantern ring 13 has carousel 7, the inner wall of carousel 7 and the outer wall fixed connection of valve rod 6.
The working principle of the plug valve for oil drilling is described in detail below.
As shown in fig. 1-4, the valve rod 6 is driven to rotate by rotating the rotary disk 7, the valve rod 6 moves downwards by the screw action of the inner wall of the screw thread sleeve ring 13 and the screw thread inner ring 8 until the valve core 10 mounted on the outer wall of the valve rod 6 is butted with the inner wall of the circulation groove 11, the flow transmission channels of the inlet cavity 2 and the outlet cavity 3 are blocked, the valve rod 6 is in the process of moving up and down, the outer wall of the valve rod is jointed with a plurality of groups of first balls 16 and second balls 17 mounted on the inner wall of the auxiliary positioning ring 12, the directivity of movement of the valve rod 6 in the vertical direction is ensured by utilizing the relative clamping action of the first balls 16 and the second balls 17 on the outer wall of the valve rod, excessive wear caused by deviation is avoided, meanwhile, the first balls 16 are in the rolling state in the process of jointing the outer wall of the valve rod 6, the friction force between the first balls 16 and the valve rod 6 is reduced, the mutual wear influence is reduced, the arc-shaped auxiliary elastic sheet 18 is compressed by the reaction force of deformation of the arc-shaped auxiliary elastic sheet 18, and the outer wall of the valve rod 6 can be more jointed, and the direction of the guide clamping moment of the valve rod 6 is ensured.
The present invention has been described in general terms, but it will be apparent to those skilled in the art that modifications and improvements can be made based on the present invention. Therefore, modifications or improvements without departing from the spirit of the invention are within the scope of the invention.
Claims (6)
1. The utility model provides a plug valve for oil drilling, includes plug valve body (1), its characterized in that: an upper cylinder (4) is arranged inside the cock valve body (1), an inlet cavity (2) is formed in the left side of the cock valve body (1), an auxiliary positioning ring (12) is fixedly connected to the inner wall of the inlet cavity (2), a first ball groove (14) is formed in the right side of the inner wall of the auxiliary positioning ring (12), a second ball groove (15) is formed in the inner wall of the left side of the auxiliary positioning ring (12), a first ball (16) is movably connected to the inner wall of the first ball groove (14), a second ball (17) is movably connected to the inner wall of the second ball groove (15), and an outlet cavity (3) is formed in the right side of the cock valve body (1);
the inner wall of the first ball groove (14) is fixedly connected with an arc-shaped auxiliary elastic sheet (18), the left side of the arc-shaped auxiliary elastic sheet (18) is fixedly connected with an arc receiving plate (19), the left side inner wall of the arc receiving plate (19) is movably connected with the outer wall of the first ball (16), and the inner wall of the upper cylinder (4) is movably connected with a valve rod (6).
2. The plug valve for petroleum drilling according to claim 1, wherein: the outer wall of the bottom end of the valve rod (6) is movably connected with the inner wall of the auxiliary positioning ring (12), the top of the inner wall of the inlet cavity (2) is provided with a circulation groove (11), and the outer wall of the auxiliary positioning ring (12) is fixedly connected with a valve core (10).
3. The plug valve for petroleum drilling according to claim 2, wherein: the outer wall of the valve core (10) is movably connected with the inner wall of the circulation groove (11).
4. The plug valve for petroleum drilling according to claim 1, wherein: go up the bottom inner wall fixedly connected with sealing ring (9) of cylinder (4), the inner wall of sealing ring (9) with the outer wall swing joint of valve rod (6), the top of sealing ring (9) is provided with screw thread inner ring (8), the inner wall of screw thread inner ring (8) with the outer wall threaded connection of valve rod (6).
5. The plug valve for petroleum drilling according to claim 1, wherein: the inner wall of the upper column body (4) is fixedly connected with a packing (5), and the inner wall of the packing (5) is movably connected with the outer wall of the valve rod (6).
6. The plug valve for petroleum drilling according to claim 1, wherein: go up the top inner wall fixedly connected with screw thread lantern ring (13) of cylinder (4), the upper surface swing joint of screw thread lantern ring (13) has carousel (7), the inner wall of carousel (7) with the outer wall fixed connection of valve rod (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221444450.6U CN218150865U (en) | 2022-06-10 | 2022-06-10 | Plug valve for petroleum drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221444450.6U CN218150865U (en) | 2022-06-10 | 2022-06-10 | Plug valve for petroleum drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218150865U true CN218150865U (en) | 2022-12-27 |
Family
ID=84574595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221444450.6U Expired - Fee Related CN218150865U (en) | 2022-06-10 | 2022-06-10 | Plug valve for petroleum drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218150865U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117738616A (en) * | 2024-01-10 | 2024-03-22 | 建湖金拓机械制造有限公司 | Plug valve for petroleum drilling |
-
2022
- 2022-06-10 CN CN202221444450.6U patent/CN218150865U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117738616A (en) * | 2024-01-10 | 2024-03-22 | 建湖金拓机械制造有限公司 | Plug valve for petroleum drilling |
| CN117738616B (en) * | 2024-01-10 | 2024-08-27 | 建湖金拓机械制造有限公司 | Plug valve for petroleum drilling |
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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: 20221227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |