CN216895793U

CN216895793U - Novel high-pressure valve for oil field gathering pipeline

Info

Publication number: CN216895793U
Application number: CN202123119319.0U
Authority: CN
Inventors: 吴柏良
Original assignee: Jiangsu Tenglong Yueda Machinery Co ltd
Current assignee: Jiangsu Tenglong Yueda Machinery Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-07-05
Anticipated expiration: 2031-12-13

Abstract

The utility model relates to a novel high-pressure valve for an oil field gathering pipeline, which comprises a pipeline main body, wherein guide pipes are fixedly connected on two sides of the pipeline main body, one ends of the two guide pipes are fixedly connected with a flange, two groups of upper bent pipes are arranged in the pipeline main body, the upper bent pipes are symmetrically arranged, one ends of the upper bent pipes are communicated with the guide pipes, the pipeline main body is provided with a sliding cavity above the upper bent pipes, a valve block is arranged in the sliding cavity in a sliding connection mode, a cover plate is arranged above the pipeline main body, the pipeline main body is connected with the cover plate through fixing bolts, a threaded rod is rotatably connected on the cover plate and provided with a connecting plate matched with the threaded rod, the lower end of the connecting plate is provided with a plurality of connecting rods, one ends of the connecting rods are connected with the lower end surface of the connecting plate, the other ends of the connecting rods penetrate through the cover plate and are connected with the valve block, the equipment enables the valve block to move up and down to adjust the position of the valve block through the rotation of the threaded rod, therefore, the opening and closing of the valve are adjusted, the strength of the valve block is higher, and the sealing performance is better.

Description

Novel high-pressure valve for oil field gathering pipeline

Technical Field

The utility model relates to the technical field of oil field gathering pipelines, in particular to a novel high-pressure valve for an oil field gathering pipeline.

Background

The valve is a device for controlling the direction, pressure and flow of fluid in a fluid system, which is a device for controlling the flow of the medium in a piping and equipment, the valve used at the joint of an oil well pipeline and a gas injection pipeline of an oil field adopts a structure that a valve body and a valve cover are connected through a steel ring, the sealing of the valve body is realized through a combined valve plate, an expander sealing seat and sealing grooves at two ends of the valve body, the defect is that the sealing effect of the valve is poor, and the gas leakage phenomenon is frequently generated, and the problem is not solved, Chinese patent No. CN200620029027.4 proposes a high-pressure valve, the sealing between the valve body and the valve core adopts a sealing mode of a cone structure, so that the sealing effect is good, the operation cost is low, meanwhile, the structure is simple, the use is convenient, the maintenance is convenient, and the like, but the working environment of the equipment has high working pressure and the valve core is easy to deform under long-term pressure, resulting in valve leakage and the structure requires sufficient space for the valve spool to rotate, making it difficult to achieve a complete seal.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a novel high-pressure valve for an oil field gathering pipeline.

(II) technical scheme

In order to achieve the above purpose, the utility model provides the following technical scheme: the utility model provides a novel high pressure valve for oil field gathering pipeline, includes the pipeline main part, the equal fixed connection of pipeline main part both sides is equipped with pipe, two the equal fixed connection of one end of pipe is equipped with the flange, be equipped with two sets of upper bends in the pipeline main part, the upper bend symmetry sets up, just upper bend one end and pipe intercommunication, the pipeline main part is equipped with the slip chamber above the upper bend, slip intracavity sliding connection is equipped with the valve block, pipeline main part top is equipped with the apron, the pipeline main part passes through fixing bolt and cover connection, the rotating connection is equipped with the threaded rod on the apron, be equipped with rather than the complex connecting plate on the threaded rod, the connecting plate lower extreme is equipped with several connecting rods, connecting rod one end is connected with the terminal surface under the connecting plate, and the other end runs through the apron and is connected with the valve block.

Preferably, the valve block lower extreme is equipped with the briquetting down that corresponds with the last return bend mouth of pipe, the briquetting periphery is equipped with the sealing washer down, the height that highly is less than briquetting down of sealing washer, be equipped with the ring groove that corresponds with the sealing washer in the pipeline main part, improve the sealing capacity of valve block, avoid the oil to flow through from the gap of valve block, guarantee valve operating quality.

Preferably, the valve block is provided with a pressing block at the periphery of the sealing ring, and the pipeline main body is provided with a pressing groove corresponding to the pressing block at the periphery of the ring groove, so that the pressing of the pressing block and the sealing ring is tighter, the sealing capability is improved, and the valve body is prevented from leaking.

In further preferred, the apron lower extreme is equipped with high pressure seal strip, pipeline main part upper surface is inwards sunken to be equipped with the high pressure seal groove that corresponds with high pressure seal strip, improve equipment's seal nature, prevent that external equipment from flowing into pipeline main part and influencing valve work.

In further preferred, be equipped with the support frame on the apron, be equipped with the mounting hole that corresponds with the threaded rod on the support frame, the threaded rod rotates with the mounting hole to be connected, the threaded rod upper end is equipped with the rotation handle, and the position of fixed threaded rod prevents that the threaded rod from breaking away from the regulation that the apron influences the valve block when rotating, influences valve work.

Preferably, the cover plate is provided with a sliding through hole corresponding to the connecting rod, the cover plate is provided with an anti-seepage groove at the periphery of the sliding through hole, an anti-seepage sleeve is arranged in the anti-seepage groove, the connecting rod can conveniently slide up and down, the valve block can be conveniently adjusted, meanwhile, the airtightness of the pipeline main body is ensured, and the inner part of the pipeline main body is prevented from being influenced.

(III) advantageous effects

Compared with the prior art, the utility model provides a novel high-pressure valve for an oil field gathering pipeline, which has the following beneficial effects:

1. the valve is opened and closed by arranging the upper bent pipe with the upward inlet and the upward outlet and the valve block sliding along the sliding cavity, the valve block is enabled to move up and down to be in contact with or separated from the upper bent pipe, the thickness of the shape of the valve block can be freely adjusted by the structure, the pressure borne by the valve is increased, the service life of the valve is prolonged, meanwhile, the sealing capability of the valve is improved by arranging the lower pressing block and the sealing ring, and the use stability of the valve is ensured.

2. According to the utility model, the threaded rod is matched with the connecting plate, the connecting plate is moved up and down by rotating the threaded rod, the threaded rod is driven to rotate by arranging the rotating handle, the connecting plate is connected with the valve block by arranging the connecting rod, the valve block is adjusted to move up and down, and the valve block only needs to move up and down without rotating, so that more sealing structures can be designed, and the valve is more stable to open and close.

Drawings

FIG. 1 is a schematic diagram of the front side of a novel high pressure valve for use in an oilfield gathering pipeline according to the present invention;

FIG. 2 is a sectional view showing the internal structure of the main body of the pipe according to the present invention;

FIG. 3 is a schematic view of the engagement structure of the threaded rod and the connecting plate according to the present invention;

FIG. 4 is a sectional view of the cover plate and the supporting frame structure of the present invention.

In the figure: 1. a pipe body; 2. a conduit; 3. a flange; 4. an upper bent pipe; 5. a sliding cavity; 6. a valve block; 7. a cover plate; 8. a threaded rod; 9. a connecting plate; 10. a connecting rod; 11. pressing the block; 12. a seal ring; 13. a ring groove; 14. a compression block; 15. a compaction groove; 16. a high pressure seal strip; 17. a high-pressure seal groove; 18. a support frame; 19. mounting holes; 20. rotating the handle; 21. a slide through hole; 22. an anti-seepage groove; 23. an anti-seepage sleeve.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Example 1:

referring to fig. 1-4, a new high pressure valve for oil field gathering pipeline comprises a main pipe body 1, wherein two sides of the main pipe body 1 are fixedly connected with guide pipes 2, one end of each of the two guide pipes 2 is fixedly connected with a flange 3, two sets of upper bent pipes 4 are arranged in the main pipe body 1, the upper bent pipes 4 are symmetrically arranged, and go up 4 one ends of return bend and pipe 2 intercommunication, pipeline main part 1 is equipped with sliding chamber 5 in 4 tops of last return bend, sliding connection is equipped with valve block 6 in sliding

chamber

5, 1 tops of pipeline main part are equipped with apron 7, pipeline main part 1 passes through fixing bolt and is connected with apron 7, it is equipped with threaded rod 8 to rotate the connection on the apron 7, be equipped with rather than complex connecting plate 9 on the threaded rod 8, the connecting plate 9 lower extreme is equipped with several connecting rods 10, connecting rod 10 one end is connected with terminal surface under the connecting plate 9, the other end runs through apron 7 and is connected with valve block 6.

In this embodiment, the lower end of the valve block 6 is provided with a lower pressing block 11 corresponding to the pipe orifice of the upper bent pipe 4, the periphery of the lower pressing block 11 is provided with a sealing ring 12, the height of the sealing ring 12 is smaller than that of the lower pressing block 11, the pipe body 1 is provided with a ring groove 13 corresponding to the sealing ring 12, when the valve block 6 moves downwards, the lower pressing block 11 is inserted into the pipe orifice of the upper bent pipe 4, the sealing ring 12 is inserted into the ring groove 13, the connection between the upper bent pipe 4 and the sliding cavity 5 is blocked, a closed environment is formed, and oil is prevented from flowing.

In this embodiment, the valve block 6 is provided with a pressing block 14 on the periphery of the sealing ring 12, the pipe body 1 is provided with a pressing groove 15 corresponding to the pressing block 14 around the ring groove 13, and when the valve block 6 moves downwards, the pressing block 14 moves downwards along the pressing groove 15, so as to provide sufficient pressing space for the pressing block 11 and the sealing ring 12.

In this embodiment, the lower end of the cover plate 7 is provided with a high-pressure sealing strip 16, the upper surface of the pipeline main body 1 is provided with a high-pressure sealing groove 17 which corresponds to the high-pressure sealing strip 16 in an inward concave manner, and when the cover plate 7 is installed, the high-pressure sealing strip 16 is aligned to and inserted into the high-pressure sealing groove 17, so that a closed space is formed between the cover plate 7 and the pipeline main body 1, and the sealing capability of the valve is ensured.

In this embodiment, be equipped with support frame 18 on the apron 7, be equipped with the mounting hole 19 that corresponds with threaded rod 8 on the support frame 18, threaded rod 8 rotates with mounting hole 19 to be connected, and threaded rod 8 upper end is equipped with and rotates handle 20, installs threaded rod 8 in mounting hole 19, makes threaded rod 8 rotate along mounting hole 19, and support frame 18 prevents that threaded rod 8 from rocking or crooked through the position of mounting hole 19 fixed threaded rod 8 simultaneously.

In this embodiment, the cover plate 7 is provided with a sliding through hole 21 corresponding to the connecting rod 10, the cover plate 7 is provided with an anti-seepage groove 22 at the periphery of the sliding through hole 21, an anti-seepage sleeve 23 is arranged in the anti-seepage groove 22, the connecting rod 10 slides along the sliding through hole 21 in a mountain-down manner, and the anti-seepage sleeve 23 is in contact with the connecting rod 10, so that the sliding through hole 21 is in a sealing structure, the sealing capability of the valve is ensured, and the influence on the valve during operation is reduced.

Example 2:

referring to fig. 1-2, the flange 3 is connected with other pipelines, oil flows into the upper bent pipe 4 through the conduit 2, the upper bent pipe 4 flows upwards to enter the sliding cavity 5, and then enters the upper bent pipe 4 at the other end to be left out of the pipeline main body 1, when the valve works, the valve block 6 moves downwards along the sliding cavity 5, the lower pressing block 11 is inserted into the upper bent pipe 4, the sealing ring 12 is contacted with the ring groove 13, the pressing block 14 is inserted into the pressing groove 15, enough space is left in the pressing groove 15, the valve block 6 is convenient to descend continuously, the sealing ring 12 is tightly attached to the ring groove 13 and then matched with the lower pressing block 11 to block the upper bent pipe 4, so that the sealing structure is formed, the oil is prevented from flowing into the sliding cavity 5 from the upper bent pipe 4, the oil is prevented from flowing through the pipeline main body 1, the valve is closed, the pressure and reasoning on the valve block 6 are right opposite, and the valve core is not worried about the deformation caused by the side force when the valve core works conventionally, and the valve block 6 has large sliding space, the thickness of the valve block can be greatly increased, the compressive resistance is improved, the lower pressing block 11 is contacted with oil in advance, the compressive resistance of the valve block 6 is further improved, and the sealing effect of the valve is ensured.

Example 3:

referring to fig. 2-4, based on embodiment 2, when the valve works, the working state of the valve is adjusted by rotating the handle 20, the rotating handle 20 is rotated, the rotating handle 20 drives the threaded rod 8 to rotate along the mounting hole 19, the support frame 18 fixes the position of the threaded rod 8 through the mounting hole 19, the threaded rod 8 is prevented from inclining or relatively displacing on the premise of ensuring that the rotation of the threaded rod 8 is not affected, the adjustment capability of the threaded rod 8 is ensured to be stable, the threaded rod 8 is rotated to be matched with the connecting plate 9, the connecting plate 9 is made to move up and down along the threaded rod 8, so as to drive the connecting rod 10 to move up and down along the sliding through hole 21, the cover plate 7 fixes the horizontal position of the connecting rod 10 through the sliding through hole 21, further fix the angle of the connecting plate 9, the angle of the connecting plate 9 is prevented from rotating along with the threaded rod 8, the stability of the up and down movement of the connecting plate 9 is ensured, and the connecting rod 10 drives the valve block 6 to move along the sliding cavity 5, the valve block 6 moves up and down to change the working state of the valve, the position of the valve block 6 is changed by rotating the rotating handle 20, so that the opening and closing of the valve are controlled, meanwhile, the flow rate of the valve can be adjusted, the high-pressure sealing strip 16 and the high-pressure sealing groove 17 are matched to change the joint of the cover plate 7 and the pipeline main body 1 into a closed state, the anti-seepage sleeve 23 in the anti-seepage groove 22 is attached to the connecting rod 10, the anti-seepage sleeve 23 is a rubber sleeve with a convex ring on the surface, the sliding through hole 21 is changed into a closed state, the high-pressure sealing strip 16 is matched with the anti-seepage sleeve 23, the pipeline main body 1 is changed into a complete closed structure, and when the valve block 6 is adjusted, external substances are prevented from flowing into the pipeline main body 1 or oil is prevented from leaving the pipeline main body 1.

While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and variations may be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel high pressure valve for oil field gathering pipeline, includes pipeline main part (1), the equal fixed connection of pipeline main part (1) both sides is equipped with pipe (2), two the equal fixed connection of one end of pipe (2) is equipped with flange (3), its characterized in that: be equipped with two sets of last return bends (4) in pipeline main part (1), go up return bends (4) symmetry setting, just go up return bends (4) one end and pipe (2) intercommunication, pipeline main part (1) is equipped with sliding chamber (5) above last return bends (4), sliding chamber (5) internal sliding connection is equipped with valve block (6), pipeline main part (1) top is equipped with apron (7), pipeline main part (1) is connected with apron (7) through fixing bolt, it is equipped with threaded rod (8) to rotate the connection on apron (7), be equipped with rather than complex connecting plate (9) on threaded rod (8), connecting plate (9) lower extreme is equipped with several connecting rods (10), connecting rod (10) one end is connected with terminal surface under connecting plate (9), and the other end runs through apron (7) and is connected with valve block (6).

2. The novel high pressure valve for an oilfield gathering line of claim 1, wherein: valve piece (6) lower extreme is equipped with lower briquetting (11) that corresponds with last return bend (4) mouth of pipe, briquetting (11) periphery is equipped with sealing washer (12) down, the height that highly is less than briquetting (11) down of sealing washer (12), be equipped with circle groove (13) that correspond with sealing washer (12) on pipeline main part (1).

3. The new high pressure valve for an oilfield gathering line as defined in claim 2, wherein: the valve block (6) is provided with a pressing block (14) on the periphery of the sealing ring (12), and the pipeline main body (1) is provided with a pressing groove (15) corresponding to the pressing block (14) around the ring groove (13).

4. The novel high pressure valve for an oilfield gathering line of claim 1, wherein: the lower end of the cover plate (7) is provided with a high-pressure sealing strip (16), and the upper surface of the pipeline main body (1) is inwards sunken to be provided with a high-pressure sealing groove (17) corresponding to the high-pressure sealing strip (16).

5. The novel high pressure valve for an oilfield gathering line of claim 1, wherein: be equipped with support frame (18) on apron (7), be equipped with mounting hole (19) that correspond with threaded rod (8) on support frame (18), threaded rod (8) are rotated with mounting hole (19) and are connected, threaded rod (8) upper end is equipped with rotation handle (20).

6. The novel high pressure valve for an oilfield gathering line of claim 1, wherein: the cover plate (7) is provided with a sliding through hole (21) corresponding to the connecting rod (10), the cover plate (7) is provided with an anti-seepage groove (22) at the periphery of the sliding through hole (21), and an anti-seepage sleeve (23) is arranged in the anti-seepage groove (22).