CN216767323U - Assembled uninterrupted circulating valve and circulating system - Google Patents
Assembled uninterrupted circulating valve and circulating system Download PDFInfo
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- CN216767323U CN216767323U CN202123111270.4U CN202123111270U CN216767323U CN 216767323 U CN216767323 U CN 216767323U CN 202123111270 U CN202123111270 U CN 202123111270U CN 216767323 U CN216767323 U CN 216767323U
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Abstract
The utility model discloses an assembled uninterrupted circulating valve and a circulating system, wherein the circulating valve comprises: the valve body comprises a liquid inlet part and a liquid outlet part; the liquid inlet part is provided with a liquid inlet, the liquid outlet part is provided with a liquid outlet and a side liquid inlet, the liquid inlet part and the liquid outlet part are detachably assembled together to form a valve core cavity, and a limiting mechanism is arranged in the valve core cavity; and the valve core moves axially in the valve core cavity to conduct the liquid inlet and the liquid outlet or conduct the side liquid inlet and the liquid outlet. Through assembled structural design, whole incessant circulating valve need not weld, has reduced because of the welding subsequent problem that causes, and overall structure only feed liquor part, play liquid part and case constitute, and the structure is simpler, and the durability is stronger, in the follow-up use, if case leakproofness descends still removable case, reduces the maintenance cost. Because the valve seat is not needed, the flow of the valve is larger under the same volume, and the operation efficiency is obviously enhanced.
Description
Technical Field
The utility model relates to the field of oil-gas exploration and development equipment, in particular to an assembled uninterrupted circulating valve and a circulating system for continuous circulating drilling.
Background
The uninterrupted circulating valve is a novel petroleum drilling tool, and can realize uninterrupted circulation of underground drilling fluid in the whole drilling process by applying the valve, so that the constant of the bottom pressure in the operation process of connecting and disconnecting a drill rod is maintained, and meanwhile, the bottom drilling fluid works in the range of the maximum stratum cavity pressure and the minimum stratum crushing pressure, and the difficult problem of narrow windows of the gap pressure and the cracking pressure in engineering can be solved.
The existing uninterrupted circulating valve generally adopts an integrated valve body structure, a valve seat and a valve core are arranged in the valve body, for example, Chinese patent CN201721598984.3, a high-pressure continuous circulating valve and a high-pressure continuous circulating device are adopted, the valve body of the valve of the type has good sealing performance, but the valve seat needs to be welded and fixed in a valve body cavity, and the welded place can be corroded in the using process to influence the reliability of the valve body.
Of course, the prior art also discloses a matched circulation valve, such as CN201911326154.9, a high-efficiency uninterrupted circulation valve tool, but this type of valve, which adopts a three-section assembly structure, has poor sealing performance, and adopts a complicated bypass assembly and bushing structure inside, so that the stability of the valve is reduced.
The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model provides an assembled uninterrupted circulating valve and a circulating system. And under the same volume, the flow under the same volume is larger, and the operating efficiency is obviously enhanced.
The utility model discloses an assembled uninterrupted circulating valve which comprises a valve body, wherein the valve body comprises a liquid inlet part and a liquid outlet part, a liquid inlet is formed in the liquid inlet part, and a liquid outlet and a side liquid inlet are formed in the liquid outlet part; the liquid inlet part and the liquid outlet part are detachably assembled into a whole in a sealing fit mode, a valve core cavity with a valve core moving is formed inside the liquid inlet part and the liquid outlet part, the valve core moves axially in the valve core cavity, the liquid inlet is communicated with the liquid outlet or the liquid inlet and the liquid outlet are communicated, switching can be performed under the two states according to needs, and uninterrupted circulation of liquid is achieved.
Through the assembly type structural design, the technical problem that the welding part of the uninterrupted circulating valve of the integrated valve body structure is rusted in the using process is solved, the valve core can be conveniently maintained and replaced after being damaged, and the cost is reduced. Because the valve seat is not needed, the flow under the same volume is larger, and the working efficiency is obviously enhanced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic cross-sectional view of an embodiment of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic view of a valve cartridge;
FIG. 4 is a schematic cross-sectional view of an embodiment of the present invention;
fig. 5 is a schematic view of a valve cartridge.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
Referring to the attached drawing 1, assembled uninterrupted cycle valve, including valve body and case 30, the valve body includes feed liquor part 10 and goes out liquid part 20, is equipped with inlet 11 on the feed liquor part 10, goes out to be equipped with liquid outlet 21, side feed inlet 22 on the liquid part 20, feed liquor part 10 with go out the assembly of liquid part 20 detachable together, inside constitution case chamber 40, case intracavity 40 is equipped with stop gear 50, is in along with case 30 axial motion in the case chamber 40 switches on inlet 11 and liquid outlet 21 or side feed inlet 22 switches on with liquid outlet 21.
The liquid inlet part 10 and the liquid outlet part 20 are integrally formed.
Through assembled structural design, whole incessant circulating valve need not weld, has reduced because of the welding subsequent problem that causes, and overall structure only feed liquor part 10, play liquid part 20 and case 30 constitute, and the structure is simpler, and the durability is stronger, in the follow-up use, if case seals 30 nature descends still removable case 30, reduces the maintenance cost. Because the valve seat is not needed, the flow of the valve is larger under the same volume, and the working efficiency is obviously enhanced.
The valve core 30 is in sealing fit with the wall of the valve core cavity 40, a first annular groove 31 is formed in the valve core 30, and a first sealing ring 32 is arranged in the first annular groove 31. The sealing effect is better, and the first sealing ring 32 can be replaced.
For the convenience of installation and disassembly, the valve core 30 is provided with a threaded hole 33, and a bolt can be installed in the threaded hole 33 when needed.
The liquid inlet 11 is provided with an inner cone which is connected with other equipment, and the liquid outlet 21 is provided with an outer cone which is connected with other equipment through the inner cone.
The liquid inlet part 10 is connected with the liquid outlet part 20 through threads 60, namely, an internal thread is arranged at one end of the liquid inlet part 10 connected with the liquid outlet part 20, an external thread matched with the internal thread is arranged at the liquid outlet part 20 connected with the liquid inlet part 10, a sealing structure 61 is arranged at the joint of the liquid inlet part 10 and the liquid outlet part 20 in order to prevent liquid from leaking at the joint, if a second annular groove is arranged at one end of the liquid outlet part connected, and a second sealing ring is arranged at the second annular groove.
A first channel 12 is arranged in the liquid outlet part 10, and the first channel 12 is connected with the valve body cavity 40 and the liquid outlet 11; a second channel 23 is arranged in the liquid outlet part 20, and the second channel 23 is connected with the liquid outlet 21 and the valve body cavity 40; a third channel 24 is arranged in the liquid outlet part 20, and the third channel 24 is connected with the side liquid inlet 22 and the valve body cavity 40.
Referring to fig. 2, the second channel 23 is composed of a plurality of holes connected to the liquid outlet 21.
During normal drilling operation, liquid enters from the liquid inlet 11 and flows out through the first channel 12, the valve body cavity 40, the second channel 23 and the liquid outlet 21; when a single connection is needed, liquid enters from the side liquid inlet 22 and flows out through the third channel 24, the valve body cavity 40, the second channel 23 and the liquid outlet 21.
Example two
Referring to fig. 4, assembled incessant circulating valve, including valve body and case 30, the valve body includes feed liquor part 10 and goes out liquid part 20, is equipped with inlet 11 on the feed liquor part 10, goes out to be equipped with liquid outlet 21, side feed inlet 22 on the liquid part 20, feed liquor part 10 with go out the assembly of liquid part 20 detachable together, inside constitution case chamber 40, case intracavity 40 is equipped with stop gear 50, is in along with case 30 axial motion in the case chamber 40 switches on inlet 11 and liquid outlet 21 or side feed inlet 22 switches on with liquid outlet 21.
The valve core 30 is in sealing fit with the wall of the valve core cavity 40, a first annular groove 31 is formed in the valve core 30, and a first sealing ring 32 is arranged in the first annular groove 31. The sealing effect is better, and the first sealing ring 32 can be replaced.
For the convenience of installation and disassembly, the valve core 30 is provided with a threaded hole 33, and a bolt can be installed in the threaded hole 33 when needed.
The liquid inlet 11 is provided with an inner cone which is connected with other equipment, and the liquid outlet 21 is provided with an outer cone which is connected with other equipment through the inner cone.
Referring to fig. 5, the valve core 30 is provided with a threaded post 34 for easy installation and removal, and other tools may be attached to the threaded post 34 as needed. Preferably, the valve core 30 is integrally formed, and may be cast, numerically controlled machined, or the like.
For convenience of installation, mounting holes 62 are uniformly designed on the circumference of the joint of the liquid inlet part 10 and the liquid outlet part 20, and the liquid inlet part and the liquid outlet part are hermetically connected by bolts 63. The joint may be provided with a gasket.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A fabricated uninterrupted circulation valve, comprising:
the valve body comprises a liquid inlet part and a liquid outlet part;
the liquid inlet part is provided with a liquid inlet, the liquid outlet part is provided with a liquid outlet and a side liquid inlet, the liquid inlet part and the liquid outlet part are detachably assembled together to form a valve core cavity, and a limiting mechanism is arranged in the valve core cavity;
and the valve core moves axially in the valve core cavity to communicate the liquid inlet with the liquid outlet or communicate the side liquid inlet with the liquid outlet.
2. The fabricated uninterrupted circulation valve of claim 1,
the valve core is in sealing fit with the wall of the valve core cavity.
3. The fabricated uninterrupted circulation valve of claim 2,
the valve core is provided with a first annular groove, and a first sealing ring is arranged in the first annular groove.
4. Fabricated uninterrupted circulation valve according to claim 1 or 2,
and the valve core is provided with a connecting mechanism.
5. The fabricated uninterrupted circulation valve of claim 4,
the connecting mechanism is a threaded hole.
6. The fabricated uninterrupted circulation valve of any one of claims 1, 2 or 5,
the limiting mechanism comprises a first limiting assembly arranged in the liquid inlet part and a second limiting assembly arranged in the liquid outlet part.
7. The fabricated uninterrupted circulation valve of claim 6,
the first limiting assembly is a first boss arranged in the valve body cavity, and the second limiting assembly is a second boss.
8. The fabricated uninterrupted circulation valve of claim 1, wherein a first channel is provided within the inlet portion, the first channel connecting the inlet and the valve body cavity;
a second channel is arranged in the liquid outlet part and is connected with the liquid outlet and the valve body cavity;
and a third channel is arranged in the liquid outlet part and is connected with the side liquid inlet and the valve body cavity.
9. The fabricated uninterrupted circulation valve of claim 8,
the liquid outlet part is connected with the liquid inlet part through threads, and a second sealing ring is arranged at the joint.
10. A circulation system comprising a fabricated uninterrupted circulation valve according to any of claims 1 or 3 or 5 or 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123111270.4U CN216767323U (en) | 2021-12-13 | 2021-12-13 | Assembled uninterrupted circulating valve and circulating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123111270.4U CN216767323U (en) | 2021-12-13 | 2021-12-13 | Assembled uninterrupted circulating valve and circulating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216767323U true CN216767323U (en) | 2022-06-17 |
Family
ID=81967653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123111270.4U Active CN216767323U (en) | 2021-12-13 | 2021-12-13 | Assembled uninterrupted circulating valve and circulating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216767323U (en) |
-
2021
- 2021-12-13 CN CN202123111270.4U patent/CN216767323U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230508 Address after: 124000 Niuguan Village, Bohai Township, Xinglongtai District, Panjin City, Liaoning Province 1-68-81 Patentee after: Panjin Zhongke Petroleum Technology Co.,Ltd. Address before: 124000 71-5-701, Shengli community, Zhenxing street, Xinglongtai District, Panjin City, Liaoning Province Patentee before: He Maorong Patentee before: Liu Zhijun |
|
| TR01 | Transfer of patent right |