CN215635124U

CN215635124U - High-pressure ball valve for oil well

Info

Publication number: CN215635124U
Application number: CN202122504905.0U
Authority: CN
Inventors: 冯卫华; 杨黎; 赵同强; 王继强; 刘景行; 孙国庆; 陈志英
Original assignee: Gudong Petroleum Production Factory Shengli Oilfield Of Sinopec; China Petroleum and Chemical Corp
Current assignee: Gudong Petroleum Production Factory Shengli Oilfield Of Sinopec; China Petroleum and Chemical Corp
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-01-25
Anticipated expiration: 2031-10-18

Abstract

Two ends of a valve body of the high-pressure ball valve for the oil well are provided with mounting grooves, two valve seats are symmetrically arranged and are positioned inside the mounting grooves, a valve core is arranged between the two valve seats, the upper surface of the valve core is provided with a clamping groove, the top of the valve body is provided with a rotating groove, the inside of the rotating groove is rotatably connected with a valve rod, the valve rod is installed in a clamping way with the rotating groove, the top end of the valve rod is in threaded connection with two fastening nuts which are symmetrically distributed, and a handle which is sleeved with the valve rod is arranged between the two fastening nuts; the fixing flanges are provided with two fixing flanges, the two fixing flanges are fixed with the two ends of the valve body respectively, a plurality of mounting holes which are evenly distributed are formed in the outer surfaces of the fixing flanges, one side, close to the valve rod, of the two fixing flanges is provided with a limiting assembly matched with the valve rod, the outer flanges are fixedly connected with the connecting pipe into a whole, and the two outer flanges penetrate through the mounting holes through the connecting bolts and are connected with the fixing flanges. The problem of high-pressure ball valve case, valve rod, handle skew is solved, make high-pressure ball valve be convenient for install, use and maintenance.

Description

High-pressure ball valve for oil well

Technical Field

The utility model relates to the technical field of high-pressure ball valves, in particular to a high-pressure ball valve for an oil well.

Background

The high-pressure ball valve is a valve which is opened and closed and is driven by a valve rod to drive a spherical valve core to rotate around the axis of the valve rod, is used for hydraulic mechanical equipment, hydraulic switches, natural gas and the like, and is rapidly developed into a main valve along with rapid development of scientific technology and continuous improvement of production process and product structure.

The stability of the installation of current high-pressure ball valve and oil well pipeline is particularly important at the in-process with the oil well pipeline installation to high-pressure ball valve is at the in-process that uses, and the ball-shaped case receives the impact of high-pressure medium for a long time, and the ball-shaped case drives the valve rod easily and carries out the skew rotation, drives the position of handle and takes place the skew, thereby influences the result of use of high-pressure ball valve, and current high-pressure ball valve damages the inconvenient maintenance of back.

Therefore, a high-pressure ball valve for an oil well is needed to solve the problems that the stability of the installation of the high-pressure ball valve and an oil well pipeline is poor, and the valve rod and the handle of the high-pressure ball valve are easy to deviate and inconvenient to maintain in the long-term use process.

SUMMERY OF THE UTILITY MODEL

The high-pressure ball valve for the oil well provided by the utility model solves the problems that the stability of the installation of the high-pressure ball valve and an oil well pipeline is poor and a valve core, a valve rod and a handle of the high-pressure ball valve are easy to deviate in the long-term use process.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a high pressure ball valve for an oil well, comprising: the valve comprises a valve body, a valve seat, a mounting groove, a valve core, a clamping groove, a rotating groove, a valve rod, a fastening nut, a handle, a fixing flange, a mounting hole, a limiting component, a sealing ring, a sealing gasket, an emptying groove, a fixing seat, a sealing block, a fixing bolt, an outer flange, a connecting pipe, a clamp head and a connecting bolt; the method is characterized in that: the valve comprises a valve body, a valve core, a valve rod, two fastening nuts, a handle and a valve rod, wherein mounting grooves are formed in two ends of the valve body, two valve seats are symmetrically arranged, the valve seats are located inside the mounting grooves, the valve core is mounted between the two valve seats, a clamping groove is formed in the upper surface of the valve core, a rotating groove is formed in the top of the valve body, the valve rod is rotatably connected inside the rotating groove, the valve rod is mounted in a clamping mode with the rotating groove, the top end of the valve rod is in threaded connection with the two fastening nuts which are symmetrically distributed, and the handle sleeved with the valve rod is mounted between the two fastening nuts; the fixing flanges are provided with two fixing flanges, the two fixing flanges are fixed with the two ends of the valve body respectively, a plurality of mounting holes which are evenly distributed are formed in the outer surfaces of the fixing flanges, one side, close to the valve rod, of the two fixing flanges is provided with a limiting assembly matched with the valve rod, the outer flanges are fixedly connected with the connecting pipe into a whole, and the two outer flanges penetrate through the mounting holes through the connecting bolts and are connected with the fixing flanges.

Furthermore, an emptying groove is formed in the bottom end of the valve body, a fixing seat matched with the valve core is installed inside the emptying groove, a sealing block matched with the emptying groove is fixed on the bottom surface of the fixing seat, and a plurality of fixing bolts in threaded connection with the valve body are installed on the bottom surface of the sealing block.

Furthermore, the outer surface of the valve seat is tightly sleeved with a sealing gasket, and the sealing gasket and the outer surface of the valve body are positioned on the same vertical surface.

Further, the section of the rotating groove is in an inverted convex shape.

Further, the surface of valve rod is provided with the depressed area, is provided with the sealing ring in the depressed area of valve rod.

Furthermore, the limiting assembly comprises two limiting sleeves, the two limiting sleeves are respectively sleeved with the outer surface of the valve body in a sliding manner, a plurality of uniformly distributed limiting springs are fixed between the fixing flange and the limiting sleeves, and a plurality of fixing sleeves matched with the mounting holes are fixed on the outer side surfaces of the limiting sleeves; the rotating sleeve is tightly sleeved on the outer surface of the valve rod, and two ends of the rotating sleeve are respectively contacted with the side surfaces of the two limiting sleeves.

Furthermore, the section of the emptying groove is in an inverted convex shape.

Furthermore, the contact surfaces of the fixed seat and the valve core are matched spherical surfaces.

Furthermore, the excircle of connecting pipe is equipped with the external screw thread or the outer end is established to the clamp head, and the interior plane of connecting pipe and seal gasket surface in close contact with.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the valve body is in a closed state by rotating the handle, the rotating sleeve synchronously moves by rotating the handle to extrude the limiting sleeve, and the fixed sleeve on the limiting sleeve is clamped with the connecting bolt, so that the mounting effect of the connecting flange and the fixed flange of the valve in the closed state is effectively improved, the valve core position is effectively prevented from being deviated due to overlarge oil flow velocity in an oil well pipeline, and the stability of the valve in use is effectively improved;

2. in the process of long-term use, the valve is closed through the handle, the sealing block in the emptying groove is removed by removing the fixing bolt, and the fixing seat is taken out, so that the petroleum at the bottom of the valve core can be emptied, and the sand removal and maintenance treatment of the inner space of the valve body are facilitated.

Drawings

FIG. 1 is a schematic axial view of the structure of embodiment 1 of the present invention

FIG. 2 is a schematic axial side view of the present invention 2

FIG. 3 is a schematic axial side view of the valve body 1 of the present invention in full section

In the figure: 1. a valve body; 2. a valve seat; 3. mounting grooves; 4. a valve core; 5. a card slot; 6. a rotating groove; 7. a valve stem; 8. fastening a nut; 9. a handle; 10. a fixed flange; 11. mounting holes; 12. a limiting component; 121. a limiting sleeve; 122. a limiting spring; 123. fixing a sleeve; 124. rotating the sleeve; 13. a seal ring; 14. sealing gaskets; 15. emptying the groove; 16. a fixed seat; 17. a sealing block; 18. fixing the bolt; 19. an outer flange; 20. a connecting pipe; 21. a clamp head; 22. and connecting the bolts.

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.

Referring to fig. 1 to 3, a high pressure ball valve for an oil well includes: the valve comprises a valve body 1, a valve seat 2, a mounting groove 3, a valve core 4, a clamping groove 5, a rotating groove 6, a valve rod 7, a fastening nut 8, a handle 9, a fixing flange 10, a mounting hole 11, a limiting component 12, a sealing ring 13, a sealing gasket 14, an emptying groove 15, a fixing seat 16, a sealing block 17, a fixing bolt 18, an outer flange 19, a connecting pipe 20, a clamp head 21 and a connecting bolt 22; the method is characterized in that: the two ends of the valve body 1 are provided with mounting grooves 3, the two valve seats 2 are symmetrically arranged, the valve seats 2 are positioned inside the mounting grooves 3, a valve element 4 is arranged between the two valve seats 2, the upper surface of the valve element 4 is provided with a clamping groove 5, the top of the valve body 1 is provided with a rotating groove 6, the inside of the rotating groove 6 is rotatably connected with a valve rod 7, the valve rod 7 is clamped with the rotating groove 6, the top end of the valve rod 7 is in threaded connection with two fastening nuts 8 which are symmetrically distributed, and a handle 9 which is sleeved with the valve rod 7 is arranged between the two fastening nuts 8; fixing flange 10 is provided with two, and two fixing flange 10 are fixed with the both ends of valve body 1 respectively, and a plurality of mounting holes 11 that are evenly distributed are seted up to fixing flange 10's surface, and one side that two fixing flange 10 are close to valve rod 7 is provided with spacing subassembly 12 with valve rod 7 matched with, and outer flange 19 is as an organic whole with connecting pipe 20 fixed connection, and two outer flanges 19 pass mounting hole 11 through connecting bolt 22 and are connected with fixing flange 10. Specifically, the setting of spacing subassembly 12 effectively improves the installation effect of valve body 1 and oil well pipeline to effectively improve the stability of handle 9 on valve body 1, thereby effectively avoid valve rod 7 to take place to rotate the skew in rotating groove 6.

Specifically, the bottom of the valve body 1 is provided with an emptying groove 15, the emptying groove 15 is internally provided with a fixing seat 16 matched with the valve core 4, the bottom surface of the fixing seat 16 is fixed with a sealing block 17 matched with the emptying groove 15, and the bottom surface of the sealing block 17 is provided with a plurality of fixing bolts 18 in threaded connection with the valve body 1. Through the setting of evacuation groove 15, when handle 9 was closed valve body 1, through dismantling fixing bolt 18, demolish sealed piece 17 in evacuation groove 15, take out fixing base 16, can carry out the processing of unloading to the oil of case 4 bottom, be convenient for carry out sand removal, maintenance to valve body 1 inner space.

Specifically, the outer surface of the valve seat 2 is tightly sleeved with a sealing gasket 14, and the sealing gasket 14 and the outer surface of the valve body 1 are positioned on the same vertical surface. The sealing gasket 14 is arranged, so that the connecting pipe 20 is conveniently connected with the valve body 1, and the installation effect between the valve core 4 and the valve seat 2 is effectively improved.

Specifically, the cross section of the rotary groove 6 is inverted convex.

Specifically, the outer surface of the valve rod 7 is provided with a recessed area, and the recessed area of the valve rod 7 is provided with a sealing ring 13. The sealing ring 13 is arranged to improve the sealing effect of the valve rod 7 at the rotating groove 6.

Specifically, the limiting assembly 12 comprises two limiting sleeves 121, the two limiting sleeves 121 are respectively in sliding sleeve connection with the outer surface of the valve body 1, a plurality of uniformly distributed limiting springs 122 are fixed between the fixed flange 10 and the limiting sleeves 121, and a plurality of fixed sleeves 123 matched with the mounting holes 11 are fixed on the outer side surfaces of the limiting sleeves 121; the rotating sleeve 124 is tightly sleeved on the outer surface of the valve rod 7, and two ends of the rotating sleeve 124 are respectively contacted with the side surfaces of the two limiting sleeves 121. The upper surface contact surface of rotating sleeve 124 and valve body 1 is glossy plane for rotating sleeve 124 more smoothly along with the rotation of handle 9, through the extrusion to stop collar 121, make handle 9 when valve rod 7 is adjusted and is handled, valve body 1 is in under the closed condition, and handle 9 is in more stable state, prevents that it from taking place the rotational deviation to the inside valve rod 7 position of valve body 1 because of the too big formation of flow rate in the oil well pipeline, thereby effectively improves handle 9's stability.

Specifically, the cross section of the evacuation groove 15 is inverted convex.

Specifically, the contact surfaces of the fixed seat 16 and the valve seat 2 and the valve core 4 are spherical surfaces matched with each other. The setting of fixing

base

16 and 2 spheres of disk seat is convenient for improve case 4 and rotate the regulation on disk seat 2 and fixing base 16.

Specifically, the outer circle of the connecting tube 20 is provided with an external thread or the outer end is provided with a clamp head 21, and the inner plane of the connecting tube 20 is in close contact with the outer surface of the sealing gasket 14. The connecting pipe 20 is conveniently connected with a petroleum pipeline or a wellhead through the arrangement of external threads or a clamp head.

In the first embodiment, a two-end connection pipe 20 of a high-pressure ball valve for an oil well is provided with an external thread at one end and a clamp head 21 at the other end.

In the second embodiment, the connecting pipes 20 at both ends of the high-pressure ball valve for oil well are both provided with outer threads.

In the third embodiment, the two-end connection pipe 20 of the high-pressure ball valve for oil well is provided with a clamp head 21.

The working principle is as follows: the valve body 1 is in a closed state by rotating the handle 9, the rotating sleeve 124 synchronously moves by rotating the handle 9 to extrude the limiting sleeve 121, and the fixing sleeve 123 on the limiting sleeve 121 clamps the connecting bolt 21, so that the mounting effect of the outer flange 19 and the fixing flange 10 of the valve body 1 in the closed state is effectively improved, the position of the handle 9 on the valve body 1 is effectively prevented from being deviated due to the overlarge oil flow velocity in an oil well pipeline, and the stability of the valve body 1 in use is effectively improved; valve body 1 is at the in-process of long-term use, closes valve body 1 through handle 9, and through detaching fixing bolt 18 this moment, removes the sealed piece 17 in the groove 15 that empties, takes out fixing base 16, can empty air to the oil of case 4 bottom, is convenient for carry out sand removal, maintenance to valve body 1 inner space.

The utility model provides a high-pressure ball valve for oil well when using, through the connecting pipe 20 external screw thread at both ends or clamp head 21 with pipeline or well head be connected can, solved former high-pressure ball valve under the effect of high-pressure medium, case 4 drives valve rod 7 and the easy skew problem of handle 9 in use, make high-pressure ball valve be convenient for install, use and maintenance.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A high pressure ball valve for an oil well, comprising: the valve comprises a valve body (1), a valve seat (2), an installation groove (3), a valve core (4), a clamping groove (5), a rotating groove (6), a valve rod (7), a fastening nut (8), a handle (9), a fixing flange (10), an installation hole (11), a limiting assembly (12), a sealing ring (13), a sealing gasket (14), an emptying groove (15), a fixing seat (16), a sealing block (17), a fixing bolt (18), an outer flange (19), a connecting pipe (20), a clamp head (21) and a connecting bolt (22); the method is characterized in that: the two ends of the valve body (1) are provided with mounting grooves (3), the two valve seats (2) are symmetrically arranged, the valve seats (2) are located inside the mounting grooves (3), a valve core (4) is mounted between the two valve seats (2), the upper surface of the valve core (4) is provided with a clamping groove (5), the top of the valve body (1) is provided with a rotating groove (6), the inside of the rotating groove (6) is rotatably connected with a valve rod (7), the valve rod (7) is clamped and mounted with the rotating groove (6), the top end of the valve rod (7) is in threaded connection with two fastening nuts (8) which are symmetrically distributed, and a handle (9) which is sleeved with the valve rod (7) is mounted between the two fastening nuts (8); fixing flange (10) are provided with two, and two fixing flange (10) are fixed with the both ends of valve body (1) respectively, and a plurality of mounting holes (11) that are evenly distributed are seted up to the surface of fixing flange (10), and one side that two fixing flange (10) are close to valve rod (7) is provided with spacing subassembly (12) with valve rod (7) matched with, and outer flange (19) are as an organic whole with connecting pipe (20) fixed connection, and two outer flanges (19) pass mounting hole (11) through connecting bolt (22) and are connected with fixing flange (10).

2. A high-pressure ball valve for an oil well according to claim 1, wherein: the bottom of valve body (1) has seted up evacuation groove (15), the internally mounted of evacuation groove (15) have with case (4) matched with fixing base (16), the bottom surface of fixing base (16) is fixed with evacuation groove (15) matched with sealed piece (17), a plurality of fixing bolt (18) with valve body (1) threaded connection are installed to the bottom surface of sealed piece (17).

3. A high-pressure ball valve for an oil well according to claim 1, wherein: the outer surface of the valve seat (2) is tightly sleeved with a sealing gasket (14), and the sealing gasket (14) and the outer surface of the valve body (1) are positioned on the same vertical surface.

4. A high-pressure ball valve for an oil well according to claim 1, wherein: the section of the rotating groove (6) is in an inverted convex shape.

5. A high-pressure ball valve for an oil well according to claim 1, wherein: the outer surface of the valve rod (7) is provided with a depressed area, and the depressed area of the valve rod (7) is internally provided with a sealing ring (13).

6. A high-pressure ball valve for an oil well according to claim 1, wherein: the limiting assembly (12) comprises two limiting sleeves (121), the two limiting sleeves (121) are respectively in sliding sleeve connection with the outer surface of the valve body (1), a plurality of uniformly distributed limiting springs (122) are fixed between the fixing flange (10) and the limiting sleeves (121), and a plurality of fixing sleeves (123) matched with the mounting holes (11) are fixed on the outer side surfaces of the limiting sleeves (121); the rotating sleeve (124) is tightly sleeved on the outer surface of the valve rod (7), and two ends of the rotating sleeve (124) are respectively contacted with the side surfaces of the two limiting sleeves (121).

7. A high-pressure ball valve for an oil well according to claim 1, wherein: the section of the emptying groove (15) is in an inverted convex shape.

8. A high-pressure ball valve for an oil well according to claim 1, wherein: the fixed seat (16) and the valve seat (2) are spherical surfaces matched with the contact surface of the valve core (4).

9. A high-pressure ball valve for an oil well according to claim 1, wherein: the excircle of connecting pipe (20) is equipped with the external screw thread or the outer end is established to clamp head (21), and the interior plane of connecting pipe (20) and seal gasket (14) surface in close contact with.