CN220059512U - High-pressure-bearing oil extraction wellhead valve - Google Patents

High-pressure-bearing oil extraction wellhead valve Download PDF

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Publication number
CN220059512U
CN220059512U CN202321650093.3U CN202321650093U CN220059512U CN 220059512 U CN220059512 U CN 220059512U CN 202321650093 U CN202321650093 U CN 202321650093U CN 220059512 U CN220059512 U CN 220059512U
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China
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valve
buffer
seat
valve body
worm
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CN202321650093.3U
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Chinese (zh)
Inventor
刘懿
高杨
杜光辉
彭莲
宋青
张婷
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Petrochina Co Ltd
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Petrochina Co Ltd
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Abstract

The utility model relates to the technical field of oil well exploitation, in particular to a high-pressure-bearing oil extraction wellhead valve which comprises a valve body, wherein the left side and the right side of the valve body are respectively provided with an integrally formed connecting pipe, a valve ball is arranged in the valve body and close to the center, the outer side of the valve ball is provided with a sealing seat, the top of the valve body is provided with a mounting seat, the inner side of the mounting seat is provided with a control mechanism, the control mechanism comprises a worm wheel and a worm, and the left side and the right side of the valve body are respectively provided with a buffer mechanism which comprises a buffer seat and a buffer plate. The valve ball is regulated by arranging the control mechanism and driving the valve rod to stably rotate through the worm and the worm wheel, the worm wheel and the worm have a self-locking function after regulation, the valve ball can be prevented from being influenced by oil liquid to move, and in addition, the sealing seat and the sealing gasket are matched with each other, so that a strong sealing effect can be generated on the valve ball under the pressure of the oil liquid, and the leakage of the oil liquid is effectively avoided.

Description

High-pressure-bearing oil extraction wellhead valve
Technical Field
The utility model relates to the technical field of oil well exploitation, in particular to a high-pressure-bearing oil extraction wellhead valve.
Background
In the oil well exploitation process, a wellhead of an oil well is usually provided with a wellhead device which is composed of a plurality of wellhead valves, a large four-way valve, a small four-way valve and the like, so as to control and regulate exploited oil bodies.
Among the prior art, chinese patent with publication No. CN216867556U adopts a scheme that "includes the valve body, the upper end fixedly connected with of valve body adjusts a section of thick bamboo, adjust a section of thick bamboo and be linked together with the valve body, the seal groove has been seted up to the downside inner wall of valve body, the downside inner wall of seal groove rotates and is connected with accommodate the lead screw, accommodate the upper end of lead screw extends to the top of adjusting a section of thick bamboo, threaded connection has the shutoff piece on the accommodate the lead screw, both ends all with valve body inner wall sliding connection around the shutoff piece" this scheme is buffered the fluid partial pressure through buffering shutoff board and is avoided shutoff slide direct pressure bearing to increase the life of valve.
However, the above scheme still has some shortages in the use, for example, when the shutoff slide is closed, influenced by pressure, can produce great frictional action between accommodate screw and the shutoff slide, lead to the screw thread of accommodate screw impaired, cause shutoff slide accurate adjustment, influence the inside leakproofness of valve body, in addition, at the moment that the valve is closed, high pressure oil can produce stronger impact force to the valve body, influence the life-span of valve body, consequently, we have proposed a high pressure-bearing oil recovery wellhead valve.
Disclosure of Invention
The utility model aims to provide a high-pressure-bearing oil extraction wellhead valve so as to solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a high pressure-bearing oil recovery well head valve, includes the valve body, the left and right sides of valve body all is provided with integrated into one piece's connecting pipe, the inside of valve body and be close to the center department and be provided with the valve ball, the outside of valve ball is provided with the seal seat, the top of valve body is provided with the mount pad, the inboard of mount pad is provided with control mechanism, control mechanism includes worm wheel and worm for control valve ball rotates;
the left and right sides of valve body just is located the outside of connecting pipe and all is provided with buffer gear, buffer gear includes the buffering seat and buffers the board for cushion fluid pressure.
As the preferable technical scheme, one side of the connecting pipe, which is far away from the valve body, is provided with a flange, and a buffer opening which is symmetrical up and down is arranged on the valve body and is close to the buffer seat.
As the preferable technical scheme, the inboard of valve ball is provided with the oil passage, be provided with a plurality of evenly distributed's dashpot on the inner wall of oil passage, the top of valve ball is provided with the valve rod, the valve rod runs through the valve body, and rotates with the mount pad to be connected.
As the preferable technical scheme, the sealing seat is arranged on the outer side of the valve ball and is connected with the inner wall of the valve body, and sealing gaskets are arranged on the left side and the right side of the sealing seat and on the outer side of the valve ball.
As the preferable technical scheme, the worm wheel is arranged on the valve rod and is positioned on the inner side of the mounting seat, the handle is arranged on the front side of the mounting seat and on the right side of the worm wheel, the handle is rotationally connected with the mounting seat through the rotating shaft, and the worm is arranged on the rotating shaft of the handle.
As an optimized technical scheme, buffer channels which are vertically symmetrical are arranged on the buffer seat and close to the valve body, and the buffer channels correspond to the buffer ports.
As the preferable technical scheme, the buffer plate is arranged on the inner side of the buffer seat and is in sliding connection with the buffer seat, and a spring is arranged on one side, far away from the buffer channel, of the inner part of the buffer seat.
Compared with the prior art, the utility model has the beneficial effects that:
1. the valve ball is regulated by arranging the control mechanism and driving the valve rod to stably rotate through the worm and the worm wheel, the worm wheel and the worm have a self-locking function after regulation, the valve ball can be prevented from being influenced by oil liquid to move, and in addition, the sealing seat and the sealing gasket are matched with each other, so that a strong sealing effect can be generated on the valve ball under the pressure of the oil liquid, and the leakage of the oil liquid is effectively avoided.
2. According to the utility model, the buffer mechanism is arranged, when the valve is closed, the valve ball disperses high-pressure oil, so that part of high-pressure oil flows into the buffer channel through the buffer port, the buffer plate is pushed away from the valve ball, then the spring is compressed, the high-pressure oil is buffered through the cooperation of the buffer seat, the buffer channel, the buffer plate and the like, and the impact force of the high-pressure oil on the valve body and the valve ball at the moment of closing the valve is reduced.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a cross-sectional view of the overall structure of the present utility model;
FIG. 3 is a schematic view of a valve ball according to the present utility model;
FIG. 4 is a schematic view of the internal structure of the valve body of the present utility model;
fig. 5 is a schematic view of a buffer seat according to the present utility model.
In the figure: 1. a valve body; 11. a connecting pipe; 111. a flange; 12. buffering the mouth; 2. a valve ball; 21. an oil passage; 211. a buffer tank; 22. a sealing seat; 23. a sealing gasket; 24. a valve stem; 3. a mounting base; 31. a worm wheel; 32. a handle; 33. a worm; 4. a buffer seat; 41. a buffer channel; 42. a buffer plate; 43. and (3) a spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 5, the present utility model provides a technical solution:
the high-pressure-bearing oil extraction wellhead valve comprises a valve body 1, wherein connecting pipes 11 which are integrally formed are arranged on the left side and the right side of the valve body 1, a valve ball 2 is arranged in the valve body 1 and close to the center, a sealing seat 22 is arranged on the outer side of the valve ball 2, a mounting seat 3 is arranged on the top of the valve body 1, a control mechanism is arranged on the inner side of the mounting seat 3, and the control mechanism comprises a worm wheel 31 and a worm 33 and is used for controlling the valve ball 2 to rotate;
the left and right sides of the valve body 1 and the outside that is located the connecting pipe 11 are all provided with buffer mechanism, and buffer mechanism includes buffering seat 4 and buffer plate 42 for cushion fluid pressure.
It is to be added that a flange 111 is arranged on one side, far away from the valve body 1, of the connecting pipe 11, the valve body 1 is conveniently installed and fixed through the flange 111, and a buffer port 12 which is symmetrical up and down is arranged on the valve body 1 and near the buffer seat 4.
As a preferred embodiment of the present utility model, the inner side of the valve ball 2 is provided with an oil passing channel 21, the inner wall of the oil passing channel 21 is provided with a plurality of evenly distributed buffer grooves 211, the buffer grooves 211 can perform multiple expansion buffering on the oil flowing inside the oil passing channel 21, so as to reduce the impact of high-pressure oil on the valve body 1 and the valve ball 2, the top of the valve ball 2 is provided with a valve rod 24, and the valve rod 24 penetrates through the valve body 1 and is rotationally connected with the mounting seat 3.
It is worth to say that, sealing seat 22 sets up in the outside of valve ball 2, and links to each other with the inner wall of valve body 1, and the left and right sides of sealing seat 22 just is provided with sealing gasket 23 in the outside of valve ball 2, and sealing seat 22 and sealing gasket 23 mutually support, can seal in the outside of sealing seat 22, and when valve ball 2 is in closed condition, the fluid pressure in valve body 1 can make sealing gasket 23 and valve ball 2 closely laminate to play good sealed effect.
As a preference of this embodiment, the worm wheel 31 is disposed on the valve rod 24 and is located at the inner side of the mounting seat 3, the handle 32 is disposed at the front side of the mounting seat 3 and is located at the right side of the worm wheel 31, the handle 32 is rotationally connected with the mounting seat 3 through a rotation shaft, the worm 33 is disposed on the rotation shaft of the handle 32, the worm 33 can be driven to rotate through the handle 32, and the valve rod 24 can drive the valve ball 2 to stably rotate through the transmission of the worm 33 and the worm wheel 31, so that the valve ball 2 is regulated, and after the regulation, the worm wheel 31 and the worm 33 have a self-locking function, so that the valve ball 2 can be prevented from being influenced by oil to move.
As a preferable mode of this embodiment, the buffer seat 4 is provided with a buffer channel 41 which is vertically symmetrical and is close to the valve body 1, the buffer channel 41 corresponds to the buffer port 12, when the valve ball 2 rotates to the closed state, the valve ball 2 disperses the high-pressure oil, and part of the oil flows into the buffer channel 41 through the buffer port 12, and the buffer seat 4 further buffers the high-pressure oil, so that the impact force of the high-pressure oil to the valve ball 2 at the moment of closing the valve is reduced.
It should be added that the buffer plate 42 is disposed at the inner side of the buffer seat 4 and slidably connected with the buffer seat 4, a spring 43 is disposed at one side of the buffer seat 4 away from the buffer channel 41, after the high pressure oil flows into the buffer channel 41, the buffer plate 42 can be pushed to be away from the valve ball 2, the spring 43 is compressed, and after the valve ball 2 is in an opened state, the spring 43 elastically acts to push the buffer plate 42 to slide, so that the buffer plate 42 conveys the oil in the buffer channel 41 to the inside of the valve body 1 for conveying.
When the high-pressure-bearing oil extraction wellhead valve is used, firstly, the connecting pipe 11 is connected and fixed through the flange 111, then the valve body 1 is installed, then the rotating handle 32 drives the worm 33 to rotate, and the worm 33 and the worm wheel 31 are used for transmission, so that the valve rod 24 drives the valve ball 2 to rotate, and the direction of the oil passing channel 21 is adjusted;
further, when the oil passing channel 21 rotates to a vertical state, the valve ball 2 is gradually closed, the valve ball 2 disperses high-pressure oil, part of the high-pressure oil flows into the buffer channel 41 through the buffer port 12 and pushes the buffer plate 42 away from the valve ball 2, then the spring 43 compresses, the buffer seat 4, the buffer channel 41, the buffer plate 42 and the like are matched with each other to buffer the high-pressure oil, and the impact force of the high-pressure oil on the valve ball 2 at the moment of closing the valve is reduced;
further, when the oil passing passage 21 rotates to a horizontal state, high pressure oil flows in the oil passing passage 21, meanwhile, the buffer groove 211 expands and buffers the oil inside the oil passing passage 21, and then the spring 43 elastically acts to push the buffer plate 42 to slide, so that the buffer plate 42 conveys the oil in the buffer passage 41 to the inside of the valve body 1 for conveying.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a high pressure-bearing oil recovery well head valve, includes valve body (1), its characterized in that: the valve is characterized in that connecting pipes (11) formed integrally are arranged on the left side and the right side of the valve body (1), a valve ball (2) is arranged in the valve body (1) and close to the center, a sealing seat (22) is arranged on the outer side of the valve ball (2), an installation seat (3) is arranged on the top of the valve body (1), a control mechanism is arranged on the inner side of the installation seat (3), and the control mechanism comprises a worm wheel (31) and a worm (33) and is used for controlling the valve ball (2) to rotate;
the left side and the right side of valve body (1) and be located the outside of connecting pipe (11) and all be provided with buffer gear, buffer gear includes buffering seat (4) and buffer board (42) for cushion fluid pressure.
2. The high pressure recovery wellhead valve of claim 1 wherein: one side of the connecting pipe (11) far away from the valve body (1) is provided with a flange (111), and a buffer port (12) which is symmetrical up and down is arranged on the valve body (1) and close to the buffer seat (4).
3. The high pressure recovery wellhead valve of claim 1 wherein: the inner side of valve ball (2) is provided with oil passage (21), be provided with a plurality of evenly distributed's dashpot (211) on the inner wall of oil passage (21), the top of valve ball (2) is provided with valve rod (24), valve rod (24) run through valve body (1), and rotate with mount pad (3) and be connected.
4. The high pressure recovery wellhead valve of claim 1 wherein: the sealing seat (22) is arranged on the outer side of the valve ball (2) and is connected with the inner wall of the valve body (1), and sealing gaskets (23) are arranged on the left side and the right side of the sealing seat (22) and are positioned on the outer side of the valve ball (2).
5. The high pressure recovery wellhead valve of claim 1 wherein: the worm gear (31) is arranged on the valve rod (24) and is positioned on the inner side of the mounting seat (3), a handle (32) is arranged on the front side of the mounting seat (3) and on the right side of the worm gear (31), the handle (32) is rotationally connected with the mounting seat (3) through a rotating shaft, and the worm (33) is arranged on the rotating shaft of the handle (32).
6. The high pressure recovery wellhead valve of claim 1 wherein: and a buffer channel (41) which is vertically symmetrical is arranged on the buffer seat (4) and is close to the valve body (1), and the buffer channel (41) corresponds to the buffer port (12).
7. The high pressure recovery wellhead valve of claim 1 wherein: the buffer plate (42) is arranged on the inner side of the buffer seat (4) and is in sliding connection with the buffer seat (4), and a spring (43) is arranged on one side, away from the buffer channel (41), of the inner part of the buffer seat (4).
CN202321650093.3U 2023-06-27 2023-06-27 High-pressure-bearing oil extraction wellhead valve Active CN220059512U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321650093.3U CN220059512U (en) 2023-06-27 2023-06-27 High-pressure-bearing oil extraction wellhead valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321650093.3U CN220059512U (en) 2023-06-27 2023-06-27 High-pressure-bearing oil extraction wellhead valve

Publications (1)

Publication Number Publication Date
CN220059512U true CN220059512U (en) 2023-11-21

Family

ID=88786073

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321650093.3U Active CN220059512U (en) 2023-06-27 2023-06-27 High-pressure-bearing oil extraction wellhead valve

Country Status (1)

Country Link
CN (1) CN220059512U (en)

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