CN212928843U - Adjustable hard seal ball valve for natural gas well safety device - Google Patents
Adjustable hard seal ball valve for natural gas well safety device Download PDFInfo
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- CN212928843U CN212928843U CN202021949620.7U CN202021949620U CN212928843U CN 212928843 U CN212928843 U CN 212928843U CN 202021949620 U CN202021949620 U CN 202021949620U CN 212928843 U CN212928843 U CN 212928843U
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- valve body
- natural gas
- safety device
- gas well
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Abstract
The utility model discloses a natural gas well safety device is with hard ball valve that seals with adjustable relates to hard ball valve technical field. The utility model provides a natural gas well safety device is with hard sealed ball valve with adjustable, includes the levogyration ball valve body, the equal fixedly connected with flange dish in levogyration ball valve body both ends, and the levogyration ball valve body has right ball valve body through the fixed spiro union of flange dish, and levogyration ball valve body and right ball valve body structure are unanimous, it is equipped with the rubber packing ring to fill up between levogyration ball valve body and the right ball valve body, the central point of levogyration ball valve body puts and has seted up bowl form through-hole, and the levogyration ball valve body is located the curved bottom of the arcuation of bowl form through-hole and has. The utility model discloses a setting of seal ring body, sealing rubber circle, annular tooth's socket and annular dogtooth has realized that this utility model device has stronger leakproofness to can effectually prevent gas leakage.
Description
Technical Field
The utility model relates to a hard seal ball valve technical field specifically is a natural gas well safety device is with hard seal ball valve with adjustable.
Background
Natural gas is a gaseous fossil fuel mainly composed of methane, which is mainly present in oil fields and natural gas fields, and a small amount of natural gas exists in coal seams, and the natural gas is also buried in underground closed geological structures like crude oil, some natural gas and crude oil are stored in the same layer, some natural gas and crude oil are independently present, for the natural gas stored in the same layer with the crude oil, the natural gas can be exploited along with the crude oil, the natural gas is mainly used as fuel, meanwhile, the natural gas can also be used for manufacturing products such as carbon black, chemicals, liquefied petroleum gas and the like, and propane and butane produced by the natural gas are important raw materials in modern industry.
Because natural gas is inflammable, if natural gas leakage occurs, explosion is easy to occur when open fire occurs, so that the equipment sealing performance is very important in the natural gas exploitation and transportation process, the sealing performance of the hard sealing ball valve on the market at present is poor, and the hard sealing ball valve is not suitable for being used as a control valve for a natural gas well safety device, so that the hard sealing ball valve with good sealing performance is provided to solve the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a natural gas well safety device is with hard sealing ball valve with adjustable to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a hard sealing ball valve for an adjustable natural gas well safety device comprises a left ball valve body, wherein both ends of the left ball valve body are fixedly connected with connecting flange plates, the left ball valve body is fixedly screwed with a right ball valve body through the connecting flange plates, the structures of the left ball valve body and the right ball valve body are consistent, a rubber gasket is arranged between the left ball valve body and the right ball valve body in a cushioning manner, a bowl-shaped through hole is formed in the center of the left ball valve body, an annular groove is formed in the bottom of an arc curve of the bowl-shaped through hole of the left ball valve body, a spring guide pillar is fixedly connected to the bottom of the annular groove, an expansion spring is contacted with the outer wall of the spring guide pillar, one end of the expansion spring is connected with the bottom of the annular groove, a sealing ring body is fixedly connected with the other end of the expansion spring, the sealing ring body is made of polytetrafluoroethylene, and an, the inner wall contact of the seal ring body has the activity spheroid, the spheroidal top of activity and the equal fixedly connected with annular dogtooth in bottom, the left ball valve body is located the inside of annular groove and has seted up flutedly, the joint has the sealing rubber circle in the recess, the spheroid through-hole has been seted up at the spheroidal middle part of activity, and the spheroidal top of activity and the equal fixedly connected with fixed axle in bottom, the outside loose axle of the fixed axle at activity spheroid top has connect the upper bearing, and the outside loose axle of the fixed axle of activity spheroid bottom has connect down the bearing, the top fixedly connected with ball valve rod of the fixed axle at activity spheroid top.
Preferably, the seal ring body and the movable ball body are clamped through an annular tooth groove and an annular convex tooth, and the annular tooth groove is matched with the annular convex tooth.
Preferably, the space size of the bowl-shaped through hole is matched with the space size of the movable ball body.
Preferably, the left ball valve body and the spring guide column are of an integrally formed structure, the annular groove is internally provided with a plurality of spring guide columns, and the spring guide columns, the annular groove, the telescopic spring and the sealing ring body are matched.
Preferably, the fixed shaft and the movable ball body are of an integrally formed structure, and the ball valve rod is connected with the fixed shaft in a welding mode.
Preferably, the left ball valve body and the connecting flange are of an integrally formed structure, and the connecting flange is matched with the rubber gasket.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model provides a natural gas well safety device is with hard seal ball valve with adjustable, through the setting of seal ring body, sealing rubber circle, annular tooth's socket and annular dogtooth, realized that this utility model device has stronger leakproofness to can effectually prevent gas leakage.
(2) The utility model provides a natural gas well safety device is with hard seal ball valve with adjustable, through the setting of left ball valve body, right ball valve body and rubber packing ring, has realized that this utility model device has stronger leakproofness, makes this use novel device convenient to detach and installation simultaneously, and the staff of consequently being convenient for is daily maintains and overhauls it.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
fig. 3 is an enlarged view of a portion a of fig. 2 according to the present invention.
In the figure: 1. a left ball valve body; 2. a right ball valve body; 3. connecting a flange plate; 4. a rubber gasket; 5. a bowl-shaped through hole; 6. an annular groove; 7. a spring guide post; 8. a tension spring; 9. a seal ring body; 10. a movable sphere; 11. an annular gullet; 12. an annular convex tooth; 13. sealing the rubber ring; 14. a fixed shaft; 15. an upper bearing; 16. a lower bearing; 17. a sphere through hole; 18. a ball valve stem.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-3, the utility model provides a technical solution: a hard sealing ball valve for an adjustable natural gas well safety device comprises a left ball valve body 1, wherein two ends of the left ball valve body 1 are fixedly connected with a connecting flange 3, the left ball valve body 1 is fixedly screwed with a right ball valve body 2 through the connecting flange 3, the structures of the left ball valve body 1 and the right ball valve body 2 are consistent, a rubber gasket 4 is arranged between the left ball valve body 1 and the right ball valve body 2 in a padding way, a bowl-shaped through hole 5 is arranged at the central position of the left ball valve body 1, an annular groove 6 is arranged at the bottom of an arc curve of the bowl-shaped through hole 5 of the left ball valve body 1, a spring guide pillar 7 is fixedly connected at the bottom of the annular groove 6, an expansion spring 8 is contacted with the outer wall of the spring guide pillar 7, one end of the expansion spring 8 is connected with the bottom of the annular groove 6, a sealing ring body 9 is fixedly connected at the other end of the expansion spring 8, the sealing ring body 9 is made, the inner wall contact of the seal ring body 9 has movable spheroid 10, the equal fixedly connected with annular dogtooth 12 in top and bottom of movable spheroid 10, left side ball valve body 1 is located the inside of annular groove 6 and has seted up flutedly, the joint has sealing rubber circle 13 in the recess, spheroid through-hole 17 has been seted up at the middle part of movable spheroid 10, and the top of movable spheroid 10 and the equal fixedly connected with fixed axle 14 in bottom, the outside loose axle of the fixed axle 14 at movable spheroid 10 top has connect upper bearing 15, and the outside loose axle of the fixed axle 14 of movable spheroid 10 bottom has connect lower bearing 16, the top fixedly connected with ball valve rod 18 of the fixed axle 14 at movable spheroid 10 top.
As shown in fig. 2 and 3, the seal ring body 9 and the movable ball 10 are clamped by an annular tooth groove 11 and an annular convex tooth 12, and the annular tooth groove 11 is matched with the annular convex tooth 12.
As shown in fig. 2, the space size of the bowl-shaped through hole 5 is matched with the space size of the movable sphere 10.
As shown in fig. 2 and 3, the left ball valve body 1 and the spring guide post 7 are integrally formed, the annular groove 6 is provided with a plurality of spring guide posts 7, and the spring guide posts 7, the annular groove 6, the expansion spring 8 and the seal ring body 9 are adapted to each other.
As shown in fig. 2, the fixed shaft 14 and the movable ball 10 are integrally formed, and the ball valve stem 18 is connected to the fixed shaft 14 by welding.
As shown in fig. 1 and 2, the left ball valve body 1 and the connecting flange 3 are integrally formed, and the connecting flange 3 is adapted to the rubber gasket 4.
The working principle is as follows: when this utility model device is used to needs, at first the flange 3 of the connection that utilizes 1 one side of left ball valve body is connected with natural gas input pipeline, the further flange 3 of the connection that utilizes 2 one sides of right ball valve body is connected with natural gas output pipeline, the further flow of natural gas is controlled through the size of the contact surface of revolving ball valve rod 18 control bowl form through-hole 5 and spheroid through-hole 17 soon, because sealing rubber circle 13 and the consequently natural gas of the close contact of activity spheroid 10 are difficult to leak, sealing ring body 9 forms the combination contact line that multichannel closely contacted between with activity spheroid 10 under expanding spring 8's elasticity effect simultaneously, consequently, further strengthen this utility model device's sealing performance.
Although 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 alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a natural gas well safety device is with sealed ball valve firmly with adjustable, includes left ball valve body (1), its characterized in that: the two ends of the left ball valve body (1) are fixedly connected with connecting flange discs (3), the left ball valve body (1) is fixedly screwed with a right ball valve body (2) through the connecting flange discs (3), the structures of the left ball valve body (1) and the right ball valve body (2) are consistent, a rubber gasket (4) is arranged between the left ball valve body (1) and the right ball valve body (2) in a cushioning mode, a bowl-shaped through hole (5) is formed in the center of the left ball valve body (1), an annular groove (6) is formed in the bottom of an arc curve of the bowl-shaped through hole (5) of the left ball valve body (1), a spring guide pillar (7) is fixedly connected to the bottom of the annular groove (6), an extension spring (8) is contacted with the outer wall of the spring guide pillar (7), one end of the extension spring (8) is connected with the bottom of the annular groove (6), and a sealing ring body (9) is fixedly connected to the, the seal ring body (9) is made of polytetrafluoroethylene, an annular tooth socket (11) is arranged on the inner wall of the seal ring body (9), the inner wall of the sealing ring body (9) is contacted with a movable ball body (10), the top and the bottom of the movable ball body (10) are fixedly connected with annular convex teeth (12), the left ball valve body (1) is provided with a groove inside the annular groove (6), a sealing rubber ring (13) is clamped in the groove, a ball through hole (17) is arranged in the middle of the movable ball body (10), the top and the bottom of the movable sphere (10) are both fixedly connected with a fixed shaft (14), the outer part of the fixed shaft (14) at the top of the movable sphere (10) is movably connected with an upper bearing (15) in a shaft way, and the outer part of the fixed shaft (14) at the bottom of the movable sphere (10) is movably coupled with a lower bearing (16), the top of the fixed shaft (14) at the top of the movable sphere (10) is fixedly connected with a ball valve rod (18).
2. The adjustable hard seal ball valve for the safety device of the natural gas well as recited in claim 1, wherein: the sealing ring body (9) and the movable ball body (10) are clamped with each other through an annular tooth groove (11) and an annular convex tooth (12), and the annular tooth groove (11) is matched with the annular convex tooth (12).
3. The adjustable hard seal ball valve for the safety device of the natural gas well as recited in claim 1, wherein: the space size of the bowl-shaped through hole (5) is matched with the space size of the movable ball body (10).
4. The adjustable hard seal ball valve for the safety device of the natural gas well as recited in claim 1, wherein: the left ball valve body (1) and the spring guide posts (7) are of an integrally formed structure, the annular groove (6) is internally provided with the spring guide posts (7), and the spring guide posts (7), the annular groove (6), the telescopic spring (8) and the sealing ring body (9) are matched.
5. The adjustable hard seal ball valve for the safety device of the natural gas well as recited in claim 1, wherein: the fixed shaft (14) and the movable ball body (10) are of an integrally formed structure, and the ball valve rod (18) is connected with the fixed shaft (14) in a welding mode.
6. The adjustable hard seal ball valve for the safety device of the natural gas well as recited in claim 1, wherein: the left ball valve body (1) and the connecting flange plate (3) are of an integrally formed structure, and the connecting flange plate (3) is matched with the rubber gasket (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021949620.7U CN212928843U (en) | 2020-09-09 | 2020-09-09 | Adjustable hard seal ball valve for natural gas well safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021949620.7U CN212928843U (en) | 2020-09-09 | 2020-09-09 | Adjustable hard seal ball valve for natural gas well safety device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212928843U true CN212928843U (en) | 2021-04-09 |
Family
ID=75305189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021949620.7U Active CN212928843U (en) | 2020-09-09 | 2020-09-09 | Adjustable hard seal ball valve for natural gas well safety device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212928843U (en) |
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2020
- 2020-09-09 CN CN202021949620.7U patent/CN212928843U/en active Active
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