CN108591518B - Double positioning ball valve - Google Patents
Double positioning ball valve Download PDFInfo
- Publication number
- CN108591518B CN108591518B CN201810584884.8A CN201810584884A CN108591518B CN 108591518 B CN108591518 B CN 108591518B CN 201810584884 A CN201810584884 A CN 201810584884A CN 108591518 B CN108591518 B CN 108591518B
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- Prior art keywords
- valve body
- ball seat
- ball
- seat
- horizontal plane
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- 230000009977 dual effect Effects 0.000 claims abstract description 7
- 230000000694 effects Effects 0.000 claims description 8
- 238000010030 laminating Methods 0.000 abstract description 7
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 6
- 238000007789 sealing Methods 0.000 description 4
- 230000002146 bilateral effect Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0605—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor with particular plug arrangements, e.g. particular shape or built-in means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
- F16K27/067—Construction of housing; Use of materials therefor of taps or cocks with spherical plugs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/10—Welded housings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention discloses a double positioning ball valve, which relates to pipeline transportation and aims to solve the problem of overflow leakage of the ball valve caused by displacement of a ball body, and the technical scheme is as follows: the utility model provides a dual positioning ball valve, includes the valve body and sets up the spheroid in the valve body, the valve body is including welded fastening's left valve body in proper order, middle valve body and right valve body, both ends relatively are provided with ball seat and lower ball seat about the middle valve body, both ends are provided with horizontal plane and lower horizontal plane respectively about the spheroid, go up the horizontal plane laminating in last ball seat, lower horizontal plane laminating in lower ball seat, go up the horizontal plane and be provided with the cylinder, the horizontal plane is provided with down the cylinder down, go up ball seat and lower ball seat offer respectively with last cylinder, lower cylinder normal running fit's through-hole. According to the dual-positioning ball valve, the ball body is limited in a plane joint mode, so that the ball body is prevented from being displaced, and the problem of overflow caused by the displacement of the ball body is further avoided.
Description
Technical Field
The present invention relates to pipeline transportation, and more particularly, to a dual positioning ball valve.
Background
Ball valves have been developed as a major valve category by virtue of their good sealing properties and high flow capacity, and are widely used in various fields; in high-temperature high-pressure pipelines in the industries of electric power, petrochemical industry and the like, a hard sealing ball valve is used for cutting off and isolating.
A large-caliber all-welded ball valve of Chinese patent bulletin with bulletin number of CN104633167A is technically characterized in that: the valve seat is arranged between the inner wall of the valve body and the ball body, the valve seat is pressed on the ball body by the spring, the left valve body and the right valve body are connected with the middle valve body through the welding seam, the valve body is connected with a pipeline through the flange, and the outer side of the valve rod is filled with filler and protected through the fixed filler gland.
In the scheme, the valve seat is tightly abutted against the ball body through the spring, but the spring has certain elastic deformation capacity, so that the ball body can be shifted, and the problem of overflow leakage of the ball valve can be caused; there is therefore a need to propose a new solution to this problem.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a double-positioning ball valve, which limits a ball body in a plane fitting mode, so that the ball body is prevented from being released and shifted, and the overflow and leakage problems caused by the shift of the ball body are further avoided.
The technical aim of the invention is realized by the following technical scheme: the utility model provides a dual positioning ball valve, includes the valve body and sets up in the spheroid in the valve body, the valve body is including welded fastening's left valve body, middle valve body and right valve body in proper order, both ends relatively are provided with ball seat and lower ball seat about the middle valve body, both ends are provided with horizontal plane and lower horizontal plane respectively about the spheroid, go up the horizontal plane laminating in last ball seat, the horizontal plane laminating in lower ball seat down, it is provided with the cylinder to go up the horizontal plane, the horizontal plane is provided with down the cylinder down, go up ball seat and lower ball seat offered respectively with last cylinder, lower cylinder normal running fit's through-hole.
By adopting the technical scheme, when the ball assembling device is assembled, the through hole of the upper ball seat is aligned with the upper cylinder and inserted until the upper ball seat is in a surface joint state with the upper horizontal plane, so that the connection of the upper ball seat and the ball body is completed, and the lower ball seat and the ball body are connected in the same way; after the connection of the ball body, the upper ball seat and the lower ball seat is completed, the ball body, the upper ball seat and the lower ball seat are embedded into the middle valve body, the left valve body and the right valve body are controlled to be respectively abutted against the two ends of the middle valve body, and finally the left valve body, the middle valve body and the right valve body are fixed in a welding mode, so that the assembly of the ball valve is completed; after the ball valve is assembled, the upper ball seat and the lower ball seat are clamped and limited in the valve body by the left valve body and the right valve body, so that stable installation of the upper ball seat and the lower ball seat is realized, meanwhile, the upper horizontal plane and the lower horizontal plane of the ball body are respectively attached to the surfaces of the upper ball seat and the lower ball seat, the limitation on the vertical direction of the ball body is completed by the upper ball seat and the lower ball seat, meanwhile, the upper cylinder and the lower cylinder of the ball body are respectively inserted in corresponding through holes, so that limitation on the horizontal direction of the ball body is realized, the two points above are combined, the ball body only has the mobility of rotating by taking a vertical axis as a rotation center, and further, the ball body is prevented from shifting, and the anti-overflow performance of the ball valve is effectively improved.
The invention is further provided with: the left valve body and the right valve body opposite ends are respectively provided with a propping ring edge, and the two propping ring edges respectively prop against the two ends of the upper ball seat and the lower ball seat.
Through adopting above-mentioned technical scheme, left valve body and right valve body are the bilateral symmetry through supporting the ring edge and press from both sides ball seat and lower ball seat to realize going up ball seat and lower ball seat and stably install in the inside technical requirement of valve body.
The invention is further provided with: the two ends of the upper ball seat and the lower ball seat are respectively provided with a pin shaft, and the supporting ring edge is provided with a pin shaft hole for the pin shaft to be inserted.
Through adopting above-mentioned technical scheme, go up ball seat and lower ball seat and pass through the grafting cooperation between round pin axle and the round pin axle hole, realize the connection of progress to improve left valve body and right valve body and to go up the restriction effect of ball seat and lower ball seat, simultaneously, the grafting cooperation of round pin axle and round pin axle hole has still played the technique of the mounted position of ball seat and lower ball seat on the location.
The invention is further provided with: the two ends of the upper ball seat and the lower ball seat are respectively provided with an arc locating surface, and the arc locating surfaces at the two ends are attached to the inner cambered surfaces of the left valve body and the right valve body.
Through adopting above-mentioned technical scheme, go up ball seat and lower ball seat and realize the face laminating with left valve body, right valve body through the circular arc locating surface to realize further location and go up the mounted position of ball seat and lower ball seat, combine the grafting cooperation in above round pin axle and round pin shaft hole, finally play the technological effect of ball seat and lower ball seat on the dual location.
The invention is further provided with: a smooth gasket is arranged between the upper horizontal plane and the upper ball seat, and a smooth gasket is arranged between the lower horizontal plane and the lower ball seat.
Through adopting above-mentioned technical scheme, under the prerequisite that does not influence upper ball seat and lower ball seat to spheroid centre gripping effect, utilize smooth gasket surface coefficient of friction low characteristic, the resistance friction that receives when effectively reducing the spheroid and rotate to improve spheroid pivoted smoothness nature.
The invention is further provided with: the left valve body and the right valve body are fixedly provided with support plates, horizontal plates are arranged on the lower sides of the support plates, and threaded holes are formed in the horizontal plates.
By adopting the technical scheme, the ball valve is supported by the ground by additionally arranging the supporting plate, so that the weight of the ball valve is prevented from acting on the pipeline completely, and the weight born by the pipeline is reduced.
In summary, the invention has the following beneficial effects: the upper ball seat and the lower ball seat are clamped and limited in the valve body by the left valve body and the right valve body, so that stable installation of the upper ball seat and the lower ball seat is realized; through the double limitation of the vertical direction and the horizontal direction of the upper ball seat and the lower ball seat, the ball body only has the activity of rotating by the vertical axis of the ball body, thereby avoiding the displacement of the ball body and effectively improving the anti-overflow performance of the ball valve; the left valve body and the right valve body clamp the upper ball seat and the lower ball seat in bilateral symmetry through the supporting ring edge, so that the technical requirements that the upper ball seat and the lower ball seat are stably arranged in the valve body are met; positioning the installation positions of the upper ball seat and the lower ball seat through the plug-in fit between the pin shaft and the pin shaft hole; the installation positions of the upper ball seat and the lower ball seat are further positioned through the joint of the arc positioning surface and the surfaces of the left valve body and the right valve body; by additionally arranging the smooth gasket, the rotation smoothness of the ball body is effectively improved; by additionally arranging the supporting plate, the ball valve is supported by the ground, so that the weight born by the pipeline is reduced.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the structure of the ball, upper tee and lower tee of the present invention, mainly illustrating the matching relationship of the three;
FIG. 3 is a schematic view of the left valve body of the present invention removed;
fig. 4 is a schematic structural view of the left valve body of the present invention.
Description of the drawings: 1. a valve body; 11. a sphere; 12. a left valve body; 13. an intermediate valve body; 14. a right valve body; 15. setting a ball seat; 16. setting down the ball seat; 17. an upper horizontal plane; 18. a lower horizontal plane; 19. an upper cylinder; 20. a lower cylinder; 21. a through hole; 22. a supporting ring edge; 23. a pin shaft; 24. a pin shaft hole; 25. a circular arc locating surface; 26. a smooth spacer; 27. a support plate; 28. a horizontal plate; 29. and (3) a threaded hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The utility model provides a dual positioning ball valve, as shown in fig. 1, fig. 2, including valve body 1 and the spheroid 11 of setting in valve body 1, valve body 1 is including welded fastening's left valve body 12 in proper order, middle valve body 13 and right valve body 14, wherein, middle valve body 13 upper and lower both ends are provided with ball seat 15 and lower ball seat 16 relatively, upper and lower both ends of spheroid 11 are polished respectively and are polished the shaping respectively and have upper horizontal plane 17 and lower horizontal plane 18, upper horizontal plane 17 laminating in last ball seat 15, lower horizontal plane 18 laminating in lower ball seat 16, upper horizontal plane 17 integrated into one piece has upper cylinder 19, lower horizontal plane 18 integrated into one piece has lower cylinder 20, upper ball seat 15 and lower ball seat 16 vertically run through respectively and have offered with upper cylinder 19, lower cylinder 20 normal running fit's through-hole 21.
In the assembly process, the through hole 21 of the upper ball seat 15 is aligned with the upper cylinder 19 and inserted until the lower surface of the upper ball seat 15 and the upper horizontal plane 17 are in a surface fit state, so that the upper ball seat 15 and the ball 11 are connected, and the lower ball seat 16 and the ball 11 are connected in the same way; after the connection of the ball 11 with the upper ball seat 15 and the lower ball seat 16 is completed, embedding the ball 11, the upper ball seat 15 and the lower ball seat 16 into the middle valve body 13, forcing the left valve body 12 and the right valve body 14 to respectively abut against two ends of the middle valve body 13, and finally fixing the left valve body 12, the middle valve body 13 and the right valve body 14 in a welding mode, thereby completing the assembly of the ball valve; after the ball valve is assembled, the upper ball seat 15 and the lower ball seat 16 are clamped and limited in the valve body 1 by the left valve body 12 and the right valve body 14, so that stable installation of the upper ball seat 15 and the lower ball seat 16 is realized, meanwhile, the upper horizontal plane 17 and the lower horizontal plane 18 of the ball 11 are respectively attached to the surfaces of the upper ball seat 15 and the lower ball seat 16, so that limitation on the vertical direction of the ball 11 is finished by the upper ball seat 15 and the lower ball seat 16, meanwhile, the upper cylinder 19 and the lower cylinder 20 of the ball 11 are respectively inserted into the corresponding through holes 21, limitation on the horizontal direction of the ball 11 is realized, and the two points are combined, so that the ball 11 only has the activity degree of rotating by taking a vertical axis as a rotation center, further, the ball 11 is prevented from shifting, and the anti-overflow performance of the ball valve is effectively improved.
The left valve body 12 and the right valve body 14 clamp the upper ball seat 15 and the lower ball seat 16 in the following manner, as shown in fig. 3 and 4, the inner cavities at opposite ends of the left valve body 12 and the right valve body 14 are respectively integrally formed with a supporting ring edge 22, and the two supporting ring edges 22 are respectively supported at two ends of the upper ball seat 15 and the lower ball seat 16, so that the upper ball seat 15 and the lower ball seat 16 are symmetrically clamped in a bilateral symmetry manner through the two supporting ring edges 22, and further, the technical requirement that the upper ball seat 15 and the lower ball seat 16 are stably installed inside the valve body 1 is realized.
In the design of the invention, the inner cavities of the left valve body 12 and the right valve body 14 are required to be provided with sealing rings, and the sealing rings are required to be closely attached to the spherical surfaces of the spherical bodies 11, so that the relative positions of the left valve body 12 and the right valve body 14 and the spherical bodies 11 are important, as shown in fig. 3 and 4, the two ends of the upper ball seat 15 and the lower ball seat 16 are respectively fixedly connected with a pin shaft 23 in an inserting way, and the supporting ring edge 22 is provided with a pin shaft hole 24 for inserting the pin shaft 23, so that the positioning of the left valve body 12 and the right valve body 14 and the upper ball seat 15 and the lower ball seat 16 is realized through the inserting cooperation of the pin shaft 23 and the pin shaft hole 24, and the technical effects of positioning the spherical bodies 11 and the left valve body 12 and the right valve body 14 are finally achieved because the upper ball seat 15, the lower ball seat 6 and the spherical bodies 11 have constant position relations.
For further positioning the ball 11, the left valve body 12 and the right valve body 14, as shown in fig. 3 and 4, two ends of the upper ball seat 15 and the lower ball seat 16 are respectively integrally formed with arc positioning surfaces 25, and the arc positioning surfaces 25 at the two ends are attached to the inner cambered surfaces of the left valve body 12 and the right valve body 14, so that the further positioning of the upper ball seat 15 and the lower ball seat 16 is realized through the attachment of the arc positioning surfaces 25 to the surfaces of the left valve body 12 and the right valve body 14, and the insertion and connection cooperation of the pin shaft 23 and the pin shaft hole 24 is combined, so that the technical effect of dual positioning the ball 11 is finally realized.
The ball valve is opened and closed through the rotation of the ball 11, in order to improve the rotation smoothness of the ball 11, as shown in fig. 2, a smooth gasket 26 is arranged between the upper horizontal surface 17 and the upper ball seat 15 in a cushioning manner, and a smooth gasket 26 is arranged between the lower horizontal surface 18 and the lower ball seat 16 in a cushioning manner, so that the friction force applied to the ball 11 during rotation is effectively reduced by utilizing the characteristic of low surface friction coefficient of the smooth gasket 26, and the rotation smoothness of the ball 11 is further improved.
In practical application, it is found that, because the ball valve has a certain weight, in order to prevent the weight of the ball valve from acting on the pipeline completely, as shown in fig. 3, the left valve body 12 and the right valve body 14 are welded and fixed with a supporting plate 27, so that the ball valve is supported on the ground through the supporting plate 27, and further the weight of the ball valve is prevented from acting on the pipeline completely; meanwhile, the lower side of the supporting plate 27 is integrally formed with a horizontal plate 28, and the horizontal plate 28 is provided with a threaded hole 29, so that the connection between the supporting plate 27 and the ground can be realized through bolts, and the installation stability of the ball valve is improved.
The present invention is not limited by the specific embodiments, and modifications can be made to the embodiments without creative contribution by those skilled in the art after reading the present specification, but are protected by patent laws within the scope of claims of the present invention.
Claims (1)
1. The utility model provides a dual positioning ball valve, includes valve body (1) and sets up spheroid (11) in valve body (1), valve body (1) are including welded fastening's left valve body (12), middle valve body (13) and right valve body (14) in proper order, its characterized in that: the ball valve is characterized in that an upper ball seat (15) and a lower ball seat (16) are oppositely arranged at the upper end and the lower end of the middle valve body (13), an upper horizontal surface (17) and a lower horizontal surface (18) are respectively arranged at the upper end and the lower end of the ball body (11), the upper horizontal surface (17) is attached to the upper ball seat (15), the lower horizontal surface (18) is attached to the lower ball seat (16), an upper cylinder (19) is arranged on the upper horizontal surface (17), a lower cylinder (20) is arranged on the lower horizontal surface (18), and through holes (21) which are in running fit with the upper cylinder (19) and the lower cylinder (20) are respectively formed in the upper ball seat (15) and the lower ball seat (16);
through double limitation on the vertical direction and the horizontal direction of the upper ball seat (15) and the lower ball seat (16), the ball body (11) only has the activity of rotating with the vertical axis of the ball body, and the ball body (11) is prevented from shifting;
the opposite ends of the left valve body (12) and the right valve body (14) are respectively provided with a propping ring edge (22), and the two propping ring edges (22) are respectively propped against the two ends of the upper ball seat (15) and the lower ball seat (16);
the two ends of the upper ball seat (15) and the lower ball seat (16) are respectively provided with a pin shaft (23), and the supporting ring edge (22) is provided with a pin shaft hole (24) for inserting the pin shaft (23);
the two ends of the upper ball seat (15) and the lower ball seat (16) are respectively provided with an arc positioning surface (25), and the arc positioning surfaces (25) at the two ends are attached to the inner cambered surfaces of the left valve body (12) and the right valve body (14);
a smooth gasket (26) is arranged between the upper horizontal surface (17) and the upper ball seat (15), and a smooth gasket (26) is arranged between the lower horizontal surface (18) and the lower ball seat (16);
the left valve body (12) and the right valve body (14) are both fixedly provided with a supporting plate (27), the lower side of the supporting plate (27) is provided with a horizontal plate (28), and the horizontal plate (28) is provided with a threaded hole (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810584884.8A CN108591518B (en) | 2018-06-08 | 2018-06-08 | Double positioning ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810584884.8A CN108591518B (en) | 2018-06-08 | 2018-06-08 | Double positioning ball valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108591518A CN108591518A (en) | 2018-09-28 |
| CN108591518B true CN108591518B (en) | 2024-01-02 |
Family
ID=63623205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810584884.8A Active CN108591518B (en) | 2018-06-08 | 2018-06-08 | Double positioning ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108591518B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114645954B (en) * | 2022-04-15 | 2022-11-11 | 天津三御流体控制科技有限公司 | Non-metal fixed ball valve |
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| EP0027765A1 (en) * | 1979-10-23 | 1981-04-29 | Jean Gachot | Ball-valve and processes for its manufacture |
| CN101520097A (en) * | 2009-03-24 | 2009-09-02 | 张宗铎 | Hard-sealing ball valve |
| CN101900212A (en) * | 2010-05-04 | 2010-12-01 | 四川赛尔阀门制造有限公司 | High-pressure large-caliber duplex gathering ball valve |
| CN102410381A (en) * | 2011-08-10 | 2012-04-11 | 重庆川仪特种阀门修造有限公司 | Bidirectional hard seal ball valve for coal chemical industry |
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| CN104913078A (en) * | 2015-06-18 | 2015-09-16 | 嘉兴五洲阀门有限公司 | All-welded ball valve for oil-gas pipeline |
| CN105587886A (en) * | 2016-02-22 | 2016-05-18 | 曲德湖 | Novel ball valve opening and closing piece and spherical monoclinic weld joint type all-welded ball valve comprising same |
| CN105805342A (en) * | 2016-05-27 | 2016-07-27 | 成都成高阀门有限公司 | Built-in multi-valve-seat spherical all-welded ball valve and manufacturing method thereof |
| CN106151577A (en) * | 2015-03-27 | 2016-11-23 | 贺增华 | A kind of support for ball valve and fixing ball valve |
| CN208381364U (en) * | 2018-06-08 | 2019-01-15 | 嘉兴五洲阀门有限公司 | Dual positioning ball valve |
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| WO2009110813A1 (en) * | 2008-03-07 | 2009-09-11 | Celula 3Pp, S.A. | Monoblock ball valve and manufacture method thereof |
| CA2663374C (en) * | 2009-04-15 | 2015-01-06 | Kings Energy Services Ltd. | Valve assembly |
| CN102322536B (en) * | 2011-09-05 | 2012-11-07 | 上海鸿润科技有限公司 | Valve core assembly and valve using same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0027765A1 (en) * | 1979-10-23 | 1981-04-29 | Jean Gachot | Ball-valve and processes for its manufacture |
| CN101520097A (en) * | 2009-03-24 | 2009-09-02 | 张宗铎 | Hard-sealing ball valve |
| CN101900212A (en) * | 2010-05-04 | 2010-12-01 | 四川赛尔阀门制造有限公司 | High-pressure large-caliber duplex gathering ball valve |
| CN102410381A (en) * | 2011-08-10 | 2012-04-11 | 重庆川仪特种阀门修造有限公司 | Bidirectional hard seal ball valve for coal chemical industry |
| CN102628665A (en) * | 2012-04-25 | 2012-08-08 | 东风汽车公司 | Detection device and detection method used for connection tile groove of engine main bearing cap |
| CN103423347A (en) * | 2013-07-03 | 2013-12-04 | 李应声 | Gap adjusting mechanism based on air pressure disc brake |
| CN203548979U (en) * | 2013-11-29 | 2014-04-16 | 四川苏克流体控制设备有限公司 | Internally-arranged fixed ball valve stability structure |
| CN106151577A (en) * | 2015-03-27 | 2016-11-23 | 贺增华 | A kind of support for ball valve and fixing ball valve |
| CN104913078A (en) * | 2015-06-18 | 2015-09-16 | 嘉兴五洲阀门有限公司 | All-welded ball valve for oil-gas pipeline |
| CN105587886A (en) * | 2016-02-22 | 2016-05-18 | 曲德湖 | Novel ball valve opening and closing piece and spherical monoclinic weld joint type all-welded ball valve comprising same |
| CN105805342A (en) * | 2016-05-27 | 2016-07-27 | 成都成高阀门有限公司 | Built-in multi-valve-seat spherical all-welded ball valve and manufacturing method thereof |
| CN208381364U (en) * | 2018-06-08 | 2019-01-15 | 嘉兴五洲阀门有限公司 | Dual positioning ball valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108591518A (en) | 2018-09-28 |
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Effective date of registration: 20200117 Address after: Wenzhou city Longwan District Yongqiang High-tech Industrial Park in Zhejiang province 325000 Applicant after: WUZHOU VALVE Co.,Ltd. Address before: 314000 Haihe Road 88, Haiyan County Economic Development Zone, Jiaxing, Zhejiang Applicant before: JIAXING WUZHOU VALVE CO.,LTD. |
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Denomination of invention: Double positioning ball valve Granted publication date: 20240102 Pledgee: China Minsheng Banking Corp Wenzhou branch Pledgor: WUZHOU VALVE Co.,Ltd. Registration number: Y2024980008415 |