CN105736735A - Double-rail groove hard sealing ball valve - Google Patents
Double-rail groove hard sealing ball valve Download PDFInfo
- Publication number
- CN105736735A CN105736735A CN201610142800.6A CN201610142800A CN105736735A CN 105736735 A CN105736735 A CN 105736735A CN 201610142800 A CN201610142800 A CN 201610142800A CN 105736735 A CN105736735 A CN 105736735A
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- China
- Prior art keywords
- valve rod
- valve
- groove
- ball
- rail groove
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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
- F16K5/08—Details
-
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention discloses a double-rail groove hard sealing ball valve. The double-rail groove hard sealing ball valve comprises a valve body, a rotating module, a valve rod module, a valve rod shell and ab ll connected with the valve rod module, wherein the valve rod module is arranged in the valve rod shell; the valve rod shell is arranged on the valve body, and is tightly connected with the valve body; the rotating module is arranged at the upper end of the valve rod shell; the valve rod module is provided with a first rail groove, a second rail groove, a left-side groove and a right-side groove; and when the rotating module rotates, the ball can rotate with the valve base without friction. The ball valve is a design without friction, is fast and stable in opening and closing, low in torque and easy to start and close, adopts a hard sealing metal material, welds the valve base with the surface of a ball body by using a nickel base alloy, and can adapt to the working demands of high temperature and high pressure.
Description
Technical field
The present invention relates to ball valve field, be specifically related to a kind of two-orbit groove hard seal ball valve.
Background technology
For domestic market, ball valve is the novel valve being widely used in recent years.The more other kinds of valve of utilization of ball valve is relatively broad, gathers all used widely under the operating modes such as pipeline at oil, chemical industry, gas well mouth.
Ordinary ball valve is big due to the moment of torsion between ball and valve seat, not easily operates and has a strong impact on service life of ball valve, additionally, due to the reason of material and design, for soft seal between ball and valve seat, is only applicable to the operating mode of low temperature and low pressure, uses limitation very big.
For the defect of prior art, market urgently occurs a kind of novel hard seal ball valve, moment of torsion can either be reduced, save cost, disclosure satisfy that again the needs of trouble free service under High Temperature High Pressure.
Summary of the invention
The technical problem to be solved is in that the defect overcoming aforementioned techniques to exist, the design of a kind of " two-orbit groove hard seal ball valve " is proposed, this ball valve is friction free one design, switch is rapidly, steady, moment of torsion is little, be prone to beginning and closedown, and adopt hard sealing metal material, valve seat and spherome surface use Nickel-based Alloy Welding, it is possible to adapt to the job demand of High Temperature High Pressure.
For solving above-mentioned technical problem, the technical scheme that the present invention takes is as follows:
A kind of two-orbit hard seal ball valve, including valve body, runner assembly, valve rod assembly, valve rod housing and the ball that is connected with described valve rod assembly, wherein, described valve rod assembly is arranged in described valve rod housing, described valve rod housing is arranged on described valve body and is connected with described valve seal, described runner assembly is arranged at described valve rod housing upper end, described valve rod assembly is provided with the first rail groove, the second rail groove and left groove, right groove, make when rotary motion assembly, described ball can and valve seat between without frictionally rotating.
Further, described valve seat and described ball are made by nickel-base alloy.
Further, described valve rod assembly includes the first valve rod and the second valve rod from top to bottom successively, and wherein said first rail groove, the second rail groove are positioned at the upper end of described second valve rod, and described left groove, right groove are positioned at the lower end of described second valve rod.
Further, described first rail groove is with the shape of described second rail groove that upper end is vertical, lower loop rotates around described second valve rod and moves down.
Further, described bag draws together ball body, left side pin and right side pin, wherein said left side pin top through described ball body parallel with described right side pin.
Further, described valve rod housing is installed with the first valve rod pilot pin and the second valve rod pilot pin, and described first valve rod pilot pin and described second valve rod pilot pin insert in described first rail groove and described second rail groove respectively.
Further, described left side pin contacts with the left groove of described second valve rod lower end, and described right side pin contacts with the right groove of described second valve rod lower end.
The present invention compared with prior art has following significant advantage and beneficial effect:
1. high temperature high voltage resistant, sealing surfaces welding nickel-base material, corrosion-resistant.
2. ball designs smoothly with the nothing friction of valve seat, and moment of torsion is little, easy to operate.
3. valve body structure adopts roof-mounted structure, convenient for maintaining and replacing inner body.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of the two-orbit hard seal ball valve of the present invention.
Fig. 2 is the longitudinal profile structural representation of ball.
Fig. 3 is the plan structure schematic diagram of ball.
Fig. 4 is the structural representation of valve rod assembly.
Description of reference numerals:
100, valve body, 200, runner assembly,
300, ball, 301, ball body,
302, right side pin, 303, left side pin,
400, valve rod assembly, the 401, first valve rod,
402, the second valve rod, the 403, first rail groove,
404, the second rail groove, 405, left groove,
406, right groove, 500, valve rod housing,
600, the first valve rod pilot pin, the 601, second valve rod pilot pin,
700, gudgeon, 800, gudgeon lining,
900, valve seat.
Detailed description of the invention
For fully disclosed purpose, below with reference to embodiment, the present invention is described in further details.Should be appreciated that specific embodiments described below is only for explaining the present invention, is not intended to limit protection scope of the present invention.
As shown in Figure 1, a kind of two-orbit groove hard seal ball valve includes valve body 100, runner assembly 200, ball 300, valve rod assembly 400, valve rod housing 500, wherein, valve rod housing 500 is arranged on valve body 100 and is connected with valve seal, and runner assembly 200 is arranged on the upper end of valve rod housing 500 and is connected with the upper end of valve rod assembly 400, valve rod assembly 400 is arranged in valve rod housing 500, and ball 300 is arranged in valve body 100 and is connected with the lower end of valve rod assembly 400；
As shown in Figures 2 and 3, ball 300 includes ball body 301, left side pin 303 and right side pin 302, the cervical region of ball body 301 is provided with two pairs of parallel and symmetrical holes run through from side, left and right side pin 303,302 is each passed through the parallel hole run through of the left and right cervical region of ball body 301 and is fixed on wherein, and the bottom of ball body 301 is provided with gudgeon 700；
As shown in Figure 4, valve rod assembly 400 includes the first valve rod 401, second valve rod 402, wherein one end of the first valve rod 401 is connected with runner assembly 200, and the other end and the second valve rod 402 connect, and is threaded connection between the first valve rod 401 and the second valve rod 402, both are free to rotate, second valve rod 402 upper end is provided with the first rail groove 403 and the second rail groove 404, and the second valve rod 402 lower end is platypelloid type, is formed with left groove 405 and right groove 406.
Referring again to Fig. 1, valve rod housing 500 is provided with the first valve rod pilot pin 600 and the first valve rod pilot pin 601, and the first valve rod pilot pin 600 and the second valve rod pilot pin insert in the first rail groove 403 and the second rail groove 404 respectively towards one end of valve rod housing 500；Two side line grooves 403 and 404 are oppositely arranged, and are divided into two sections, and first paragraph is vertical, and second segment rotates gradually around the second valve rod and moves down.The platypelloid type lower end of the second valve rod 402 is inserted in ball 300, wherein drives the first valve body 401 to rotate by runner assembly 200, and the first valve rod 401 drives the second valve rod 402 to move up and down.
The operation principle of the two-orbit hard seal ball valve of the present invention is as follows:
nullBall valve is opened，First rotary motion assembly 200，Runner assembly 200 drives the first valve rod 401 to rotate and promote，First valve rod 401 drives the second valve rod 402，Owing to the second valve rod 402 having the first rail groove 403 and the second rail groove 404，First valve rod 401 drives when moving on the second valve rod 402，First valve rod pilot pin 600 and the second valve rod pilot pin 601 are respectively according to the both sides rail groove elder generation pan-up set，Then upper shifting is rotated，When pan-up，The inclined plane of the left groove 405 of the second valve rod lower end touches left side pin 303，To one power to the left of ball，A fulcrum is formed with gudgeon 700 and gudgeon lining 800，The sealing surface (disc) making ball lifts off a seat 900，When moving on rotating，Driving ball 300 to rotate makes the right groove 406 of the second valve rod lower end contact with right side pin 302，Ball valve is made to fully open；
Ball valve is closed: opposite direction rotary motion assembly 200, valve rod assembly 400 rotates, ball 300 is driven to rotate, when the sealing surface of ball turns to valve seat 900, effect due to the first rail groove 403 and the second rail groove 404, second valve rod 402 vertically moves down, the right groove 406 of the second valve rod lower end first touches right side pin 302, to one power to the right of ball, a fulcrum is formed with gudgeon 700 and gudgeon lining 800, the sealing surface (disc) of ball and valve seat 900 are in close contact, reach the effect closed.
Spherome surface uses nickel-base material welding, life-span length and not easily erosion.The two-orbit hard seal ball valve of the present invention is applicable to nominal pressure or pressure stage: PN1.0-42.0MPa, ANSICLASS150-2500, Applicable temperature :-196 DEG C～500 DEG C, and this innovative design increases the competitiveness of domestic orbit ball valve.
The key technical indexes or economic indicator:
The two-orbit hard seal ball valve of the present invention, adopts friction free design, and unlatching is easier to, so user can select the driving device that output moment of torsion is relatively low, has saved cost.Friction free designs in another angle, improves a service life of valve itself.
The two-orbit hard seal ball valve of the present invention, adopts the hard design sealed, under the operating mode of High Temperature High Pressure also can trouble free service, compensate for the defect that domestic market is only used under low temperature and low-pressure state.
Embodiment described above only have expressed embodiments of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that, for the person of ordinary skill of the art, without departing from the inventive concept of the premise, it is also possible to making some deformation and improvement, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (7)
1. a two-orbit hard seal ball valve, including valve body, runner assembly, valve rod assembly, valve rod housing and the ball that is connected with described valve rod assembly, wherein, described valve rod assembly is arranged in described valve rod housing, described valve rod housing is arranged on described valve body and is connected with described valve seal, described runner assembly is arranged at described valve rod housing upper end, it is characterized in that: described valve rod assembly is provided with the first rail groove, the second rail groove and left groove, right groove, make when rotary motion assembly, described ball can and valve seat between without frictionally rotating.
2. two-orbit groove hard seal ball valve according to claim 1, it is characterised in that described valve seat and described ball are made by nickel-base alloy.
3. two-orbit groove hard seal ball valve according to claim 1 and 2, it is characterized in that, described valve rod assembly includes the first valve rod and the second valve rod from top to bottom successively, wherein said first rail groove, the second rail groove are positioned at the upper end of described second valve rod, and described left groove, right groove are positioned at the lower end of described second valve rod.
4. two-orbit groove hard seal ball valve according to claim 3, it is characterised in that described first rail groove is with the shape of described second rail groove that upper end is vertical, lower loop rotates around described second valve rod and moves down.
5. two-orbit groove hard seal ball valve according to claim 1, it is characterised in that described bag draws together ball body, left side pin and right side pin, wherein said left side pin top through described ball body parallel with described right side pin.
6. two-orbit groove hard seal ball valve according to claim 3, it is characterized in that, described valve rod housing is installed with the first valve rod pilot pin and the second valve rod pilot pin, and described first valve rod pilot pin and described second valve rod pilot pin insert in described first rail groove and described second rail groove respectively.
7. two-orbit groove hard seal ball valve according to claim 6, it is characterised in that described left side pin contacts with the left groove of described second valve rod lower end, described right side pin contacts with the right groove of described second valve rod lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610142800.6A CN105736735A (en) | 2016-03-14 | 2016-03-14 | Double-rail groove hard sealing ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610142800.6A CN105736735A (en) | 2016-03-14 | 2016-03-14 | Double-rail groove hard sealing ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105736735A true CN105736735A (en) | 2016-07-06 |
Family
ID=56250440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610142800.6A Pending CN105736735A (en) | 2016-03-14 | 2016-03-14 | Double-rail groove hard sealing ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105736735A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108061174A (en) * | 2017-06-16 | 2018-05-22 | 太仓优尼泰克精密机械有限公司 | A kind of rising stem two-orbit divides valve ball valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5407176A (en) * | 1993-08-12 | 1995-04-18 | Nevrekar; Venkatesh R. | Back-seating of rotary valve stem |
| CN2375829Y (en) * | 1999-06-01 | 2000-04-26 | 杨永祥 | Ball valve |
| CN1884881A (en) * | 2006-07-03 | 2006-12-27 | 徐林斌 | Swinging ball valve |
| CN2859117Y (en) * | 2005-09-22 | 2007-01-17 | 安徽铜都阀门有限公司 | Track type zero friction butterfly valve |
| CN205401805U (en) * | 2016-03-14 | 2016-07-27 | 太仓优尼泰克精密机械有限公司 | Double track way groove ball valve sealed firmly |
-
2016
- 2016-03-14 CN CN201610142800.6A patent/CN105736735A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5407176A (en) * | 1993-08-12 | 1995-04-18 | Nevrekar; Venkatesh R. | Back-seating of rotary valve stem |
| CN2375829Y (en) * | 1999-06-01 | 2000-04-26 | 杨永祥 | Ball valve |
| CN2859117Y (en) * | 2005-09-22 | 2007-01-17 | 安徽铜都阀门有限公司 | Track type zero friction butterfly valve |
| CN1884881A (en) * | 2006-07-03 | 2006-12-27 | 徐林斌 | Swinging ball valve |
| CN205401805U (en) * | 2016-03-14 | 2016-07-27 | 太仓优尼泰克精密机械有限公司 | Double track way groove ball valve sealed firmly |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108061174A (en) * | 2017-06-16 | 2018-05-22 | 太仓优尼泰克精密机械有限公司 | A kind of rising stem two-orbit divides valve ball valve |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160706 |
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| WD01 | Invention patent application deemed withdrawn after publication |