CN105526375A - V-type adjusting ball valve - Google Patents
V-type adjusting ball valve Download PDFInfo
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- CN105526375A CN105526375A CN201410507238.3A CN201410507238A CN105526375A CN 105526375 A CN105526375 A CN 105526375A CN 201410507238 A CN201410507238 A CN 201410507238A CN 105526375 A CN105526375 A CN 105526375A
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- valve seat
- valve
- ball
- ball core
- arrangement
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Abstract
The invention relates to a V-type adjusting ball valve. The V-type adjusting ball valve comprises a valve body, a valve seat, a ball core, a sealing part and an axial displacement compensation part, wherein the valve body is provided with a straight through runner; the valve seat is of an annular structure; protruding portions are arranged in the positions, close to the assembled ball core, inside the valve seat in an extending mode; the faces, making contact with the ball core, of the protruding portions are cambered faces; the valve seat can finely move front and back in the valve body; the two protruding portions are arranged in an axial symmetry mode, so that an opening of the valve seat comprises a semi-arc through hole and an adjusting through hole which is provided with the V-shaped cross section and communicates with the semi-arc through hole; in the rotating process of the ball core, a through hole of the ball core and an inner hole of the valve seat form a channel which becomes bigger and then becomes smaller. As the protruding portions are arranged in the positions, close to the assembled ball core, inside the valve seat in the extending mode, the channel has the flow control characteristic. The V-type adjusting ball valve has the beneficial effects of being long in service life, capable of being used on gas etching and scouring occasions, good in sealing performance, high in flow control precision and convenient to machine and manufacture.
Description
Technical field
The present invention relates to the industry valve technology fields such as air-conditioning, HVAC, water and sewage treatment, be related specifically to a kind of V-arrangement and regulate ball valve.
Background technique
Valve is the controlling component in fluid delivery system, has cut-off, adjustment, water conservancy diversion, prevents the functions such as adverse current, voltage stabilizing, shunting or overflow pressure relief.For the valve of liquid control system, various valves used from the simplest stop valve to very complicated robot control system(RCS), its kind and specification are quite various.Valve can be used for the flowing controlling all kinds fluids such as air, water, steam, various Korrosionsmedium, mud, oil product, liquid metal and radiating medium.In some use occasion, need valve to control effectively to medium, existing valve flow characteristic window is ensured by centre of sphere structural characteristics, is difficult to accomplish accurate control, high reliability and long lifetime.
Refer to Fig. 1, be the sectional view of existing V-arrangement ball valve, there is following defect:
1. ball core ribbon has the special construction controlling aperture, and in order to ensure this structural characteristics, the centre of sphere generally adopts casting, and for ensureing sealability, the centre of sphere through precision machining, need can reach effective sealing effect.Because there is interrupted chip, ball core sealing surface is difficult to ensure its roundness tolerance.
2. uneven on this half this body structure of spherical crown ball core, after the structure with irregular control aperture, the distortion of ball core is large, and in movement process, ball core also exists and rocks, and it is unreliable to seal.
3. this ball core is because it is with Flow characteristics structure, in structure, ball core is hollow spheres, and its thickness is generally given according to the nominal pressure of design, but class valve generally has, and anti-impact is rinsed, anti-cavitation requirement, this design ball core wall thickness erosive wear resistance is poor, and its working life is not long.
4., generally all lower than sealing surface during Flow characteristics structural design on ball core, make this structure there is the not high shortcoming of control accuracy.
In view of this, the design people does not attain perfect caused many disappearances and inconvenience in the design of above-mentioned existing structure, and deeply conceives, and active research improvement has a fling at and development and Design goes out this case.
Summary of the invention
The object of this invention is to provide and ensure valve regulated precision, sealing is reliable, and the life-span is long, designs simplification, the Novel V-shaped adjustment ball valve of lower-cost one, to overcome the above-mentioned defect that prior art exists.
The technological scheme of technical solution problem of the present invention is as follows: V-arrangement regulates ball valve to comprise valve body, valve seat, ball core, Sealing, axial displacement compensating part, valve rod and pressing plate, valve body has straight-through runner, one end of direct current channel is fluid input, the other end of direct current channel is fluid output, and arranges outside thread or internal thread in fluid input and fluid output; Valve seat is a loop configuration, in valve seat near the extended lug boss in inside assembling ball core, thus make valve seat endoporus form the window-shaped endoporus with control flow check flow characteristic, and this lug boss and ball core surface of contact are cambered surface, and valve seat can do minute movement in front and back in valve body.
Preferably, in valve seat near the inside of assembling ball core extended two symmetrical lug bosses, thus make the opening of described valve seat include semiarc shape through hole and the cross section that is communicated with semiarc shape through hole is the adjustment through hole of " V " font.
Preferably, ball core comprises large end and small end, between Yu great Duan and small end, through hole is set, when large end is all plugged in the endoporus of valve seat, liquid or gas can not regulate in ball valve at V-arrangement and circulate, in ball core rotation process, the through hole of ball core and the endoporus of valve seat are formed from small to large, and then passage from big to small, because valve seat is near the extended lug boss in inside of assembling ball core, thus make above-mentioned passage have the characteristic controlling flow.
Preferably, ball core is arranged between valve seat and valve body, arranges stiffening rib on the top of ball core, and this stiffening rib is circular ring, thus enhances ball cored structure stability.
Preferably, valve seat arranges the groove for Sealing assembling, and Sealing described above is assembled in groove.
Preferably, axial displacement compensating part is elastic component, axial displacement compensating part provides valve seat axial displacement compensation rate, valve seat is assembled in the fluid input of valve body, valve seat one end contacts with ball core, the other end of valve seat is nested with axial pressing plate, bit shift compensation part and snap ring successively, and pressing plate is between valve seat and compensating part.
Preferably, axial displacement compensating part described above is spring.
Preferably, axial displacement compensating part described above is elastic rubber.
Preferably, valve rod is connected to ball core and final controlling element.
Compared with prior art, tool has the following advantages in the present invention: seat design structure is relatively thick, meet have cavitation erosion, wash away occasion use.Sealing surface of seat does not affect by flow adjusting structure, more easily meets the requirement of sealing surface design circularity, roughness requirements etc.Structure compared to existing technology, flow adjusting structure designs on valve seat, be conducive to the guarantee of degree of regulation, machining accuracy, to the selection of material, material type selecting space is larger, meets all kinds of different working condition requirement, the Flow-rate adjustment perforate of processing valve seat is compared with the Flow-rate adjustment perforate of ball core, the former more easily processes, and machining accuracy is high, while reduction cost of production, improve machining accuracy.Meanwhile, valve seat can adopt multiple material to manufacture, and its endoporus flow adjusting structure can be processed by precision optical machinery Linear cut or precise forming, and compared to existing technology, its degree of regulation, reliability improve greatly.Meanwhile, reduce machining needs, sealing surface roundness tolerance is easy to ensure.
Another one advantage of the present invention is the ball cored structure of valve inner, and this ball cored structure is simple, and stability is better, and ball core amount of deformation is little.Ball core sealing surface machining is relatively simple, easily ensures ball core circularity.And relatively simple for structure, quick detachable, easy care, reliable performance.
Compared with prior art, beneficial effect of the present invention is: long service life, can be used for cavitation erosion, wash away occasion, favorable sealing property, control flow check accuracy of measurement are high, be convenient to manufacturing.
Accompanying drawing explanation
Fig. 1 is prior art ball valve cross-sectional view.
Fig. 2 is cross-sectional view of the present invention.
Fig. 3 is the valve seat forward sight structural representation of the present invention.
Fig. 4 is the A-A cross-sectional view of Fig. 3.
Fig. 5 is the ball core forward sight structural representation of the present invention.
Fig. 6 is the ball core plan structure schematic diagram of the present invention.
Fig. 7 is the B-B cross-sectional view of Fig. 5.
In figure: V-arrangement regulates ball valve 10, valve body 1, valve seat 2, ball core 3, Sealing 4, axial displacement compensating part 5, valve rod 6, pressing plate 7, snap ring 8, straight-through runner 11, fluid input 12, fluid output 13, endoporus 21, lug boss 22, semiarc shape through hole 23, regulate through hole 24, hold greatly 31, small end 32, through hole 33, stiffening rib 34, groove 25.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further described, consult Fig. 2, V-arrangement regulates ball valve 10 to comprise valve body 1, valve seat 2, ball core 3, Sealing 4, axial displacement compensating part 5, valve rod 6, pressing plate 7 and snap ring 8, valve body 1 has straight-through runner 11, one end of direct current channel 11 is fluid input 12, the other end of direct current channel 11 is fluid output 13, and arranges outside thread or internal thread in fluid input 12 and fluid output 13; Composition graphs 2 to Fig. 4, valve seat 2 is a loop configuration, valve seat 2 is provided with endoporus 21, in valve seat 2 near the extended lug boss 22 in inside assembling ball core 3, thus make the endoporus 21 of valve seat 2 form the characteristic having and control flow, and this lug boss 22 is cambered surface with ball core 3 surface of contact, and valve seat 2 can do minute movement in front and back in valve body 1; Consult Fig. 2, ball core 3 is arranged between valve seat 2 and valve body 1.
Composition graphs 2 to Fig. 4, in valve seat 2 near inner extended two the symmetrical lug bosses 22 of the endoporus 21 of assembling ball core 3, thus the adjustment through hole 24 of cross section in " V " font making the endoporus 21 of described valve seat 2 include semiarc shape through hole 23 and be communicated with semiarc shape through hole 23, thus endoporus 21 is made to have the communication window of Flow-rate adjustment control.Consult Fig. 2, valve seat 2 arranges the groove 25 assembled for Sealing 4, Sealing 4 described above is assembled in groove 25, prevent V-arrangement from regulating ball valve 10 working procedure medium to leak along the outer circular direction of valve seat 2, this design, the face with the endoporus 21 of Flow-rate adjustment control characteristic window directly contacts with the face of ball core 3, ensures degree of regulation, and the thickness of lug boss 22 can thicken to runner direction, improve V-arrangement and regulate ball valve 10 antiscour, cavitation erosion performance.Simultaneously, valve seat 2 can adopt PTFE, PTFE+ glass fibre, PTFE+ carbon fiber nonmetallic composite, stainless steel 304,416 Surface hardened layer or spraying, the manufacturings such as ceramic-like materials zirconium oxide, simultaneously, valve seat 2 material is compared with ball core 3, and it selects space comparatively large, compared to existing technology, the material of flow adjusting structure is selected more extensive, selects to provide convenience for the material having sclerosis to require.The lug boss 22 of its endoporus 21 is processed by precision optical machinery linear cutter or precise forming, and compared to existing technology, its degree of regulation improves greatly.This design, reduces machining needs, and sealing surface roundness tolerance is easy to ensure.Valve seat 2 thickness is thicker, improves valve seat 2 mechanical strength, reduces the possibility of sealing surface distortion, regulates ball valve 10 sealing to provide reliable guarantee to whole V-arrangement.
Consult Fig. 5 to Fig. 7, ball core 3 comprises large end 31 and small end 32, between large end 31 and small end 32, through hole 33 is set, when large end 31 is all plugged in the endoporus 21 of valve seat 2, fluid can not regulate in ball valve 10 at V-arrangement and circulate, in ball core 3 rotation process, the through hole 33 of ball core 3 and the endoporus 21 of valve seat 2 are formed from small to large, and then passage from big to small, because valve seat 2 is near the inner extended lug boss 22 of endoporus 21 of assembling ball core 3, thus make above-mentioned passage have the characteristic controlling flow; For ensureing that ball cored structure is stablized, arrange stiffening rib 34 on the top of ball core 3, this stiffening rib 34 is circular ring.
Consult Fig. 2, axial displacement compensating part 5 is elastic component, axial displacement compensating part 5 provides valve seat 2 axial displacement compensation rate, valve seat 2 is assembled in the fluid input 12 of valve body 1, valve seat 2 one end contacts with ball core 3, the other end of valve seat 2 is nested with pressing plate 7, bit shift compensation part 5 and snap ring 8 successively, and pressing plate 7 is between valve seat 2 and compensating part 5.Valve rod 6 is connected to ball core 3 and final controlling element (not shown).
Claims (9)
1. a V-arrangement regulates ball valve, it comprises valve body, valve seat, ball core, Sealing, axial displacement compensating part, valve rod and pressing plate, valve body has straight-through runner, one end of direct current channel is fluid input, the other end of direct current channel is fluid output, and outside thread or internal thread are set in fluid input and fluid output, it is characterized in that: valve seat is a loop configuration, in valve seat near the extended lug boss in inside assembling ball core, thus make valve seat endoporus form the window-shaped endoporus with control flow check flow characteristic, and this lug boss and ball core surface of contact are cambered surface, and valve seat can do minute movement in front and back in valve body.
2. the V-arrangement as described in claim 1 regulates ball valve, it is characterized in that: in valve seat near the inside of assembling ball core extended two symmetrical lug bosses, thus make the opening of described valve seat include semiarc shape through hole and the cross section that is communicated with semiarc shape through hole is the adjustment through hole of " V " font.
3. the V-arrangement as described in claim 1 regulates ball valve, it is characterized in that: ball core comprises large end and small end, between Yu great Duan and small end, through hole is set, when large end is all plugged in the endoporus of valve seat, liquid or gas can not regulate in ball valve at V-arrangement and circulate, in ball core rotation process, the through hole of ball core and the endoporus of valve seat are formed from small to large, and then passage from big to small, because valve seat is near the extended lug boss in inside of assembling ball core, thus make above-mentioned passage have the characteristic controlling flow.
4. the V-arrangement as described in claim 1 regulates ball valve, and it is characterized in that: ball core is arranged between valve seat and valve body, arrange stiffening rib on the top of ball core, this stiffening rib is circular ring, thus enhances ball cored structure stability.
5. the V-arrangement as described in claim 1 regulates ball valve, it is characterized in that: valve seat arranges the groove for Sealing assembling, and Sealing described above is assembled in groove.
6. the V-arrangement as described in claim 1 regulates ball valve, it is characterized in that: axial displacement compensating part is elastic component, axial displacement compensating part provides valve seat axial displacement compensation rate, valve seat is assembled in the fluid input of valve body, valve seat one end contacts with ball core, the other end of valve seat is nested with axial pressing plate, bit shift compensation part and snap ring successively, and pressing plate is between valve seat and compensating part.
7. the V-arrangement as described in claim 1 regulates ball valve, it is characterized in that: axial displacement compensating part described above is spring.
8. the V-arrangement as described in claim 1 regulates ball valve, it is characterized in that: axial displacement compensating part described above is elastic rubber.
9. the V-arrangement as described in claim 1 regulates ball valve, it is characterized in that: valve rod is connected to ball core and final controlling element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410507238.3A CN105526375B (en) | 2014-09-28 | 2014-09-28 | V-type regulation ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410507238.3A CN105526375B (en) | 2014-09-28 | 2014-09-28 | V-type regulation ball valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105526375A true CN105526375A (en) | 2016-04-27 |
| CN105526375B CN105526375B (en) | 2018-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410507238.3A Active CN105526375B (en) | 2014-09-28 | 2014-09-28 | V-type regulation ball valve |
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| CN (1) | CN105526375B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110686093A (en) * | 2019-10-30 | 2020-01-14 | 上海化工研究院有限公司 | Ball valve capable of fine-adjusting flow |
| CN111981156A (en) * | 2020-08-12 | 2020-11-24 | 浙江大学 | Comb-tooth-shaped ball valve core with cavitation erosion resistance function |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1554664A (en) * | 1966-08-17 | 1969-01-24 | ||
| CN2493799Y (en) * | 2001-07-02 | 2002-05-29 | 王延龄 | Three-way regulation ball valve |
| US20060162792A1 (en) * | 2005-01-26 | 2006-07-27 | Invensys Building Systems, Inc. | Flow characterization in a flowpath |
| CN102022562A (en) * | 2009-09-16 | 2011-04-20 | 施耐德电气建筑有限公司 | Ball valve with anti-rotational pressure plate |
| CN202327193U (en) * | 2011-11-23 | 2012-07-11 | 浙江超达阀门股份有限公司 | Anti-scouring abrasion-resisting ball valve with flow control function |
| CN204083334U (en) * | 2014-09-28 | 2015-01-07 | 宁夏富隆德流体科技有限公司 | V-type regulates ball valve |
-
2014
- 2014-09-28 CN CN201410507238.3A patent/CN105526375B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1554664A (en) * | 1966-08-17 | 1969-01-24 | ||
| CN2493799Y (en) * | 2001-07-02 | 2002-05-29 | 王延龄 | Three-way regulation ball valve |
| US20060162792A1 (en) * | 2005-01-26 | 2006-07-27 | Invensys Building Systems, Inc. | Flow characterization in a flowpath |
| CN101091080A (en) * | 2005-01-26 | 2007-12-19 | 茵文塞斯建筑系统公司 | Flow characterization in a flowpath |
| CN102022562A (en) * | 2009-09-16 | 2011-04-20 | 施耐德电气建筑有限公司 | Ball valve with anti-rotational pressure plate |
| CN202327193U (en) * | 2011-11-23 | 2012-07-11 | 浙江超达阀门股份有限公司 | Anti-scouring abrasion-resisting ball valve with flow control function |
| CN204083334U (en) * | 2014-09-28 | 2015-01-07 | 宁夏富隆德流体科技有限公司 | V-type regulates ball valve |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110686093A (en) * | 2019-10-30 | 2020-01-14 | 上海化工研究院有限公司 | Ball valve capable of fine-adjusting flow |
| CN111981156A (en) * | 2020-08-12 | 2020-11-24 | 浙江大学 | Comb-tooth-shaped ball valve core with cavitation erosion resistance function |
| CN111981156B (en) * | 2020-08-12 | 2022-02-22 | 浙江大学 | Comb-tooth-shaped ball valve core with cavitation erosion resistance function |
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| Publication number | Publication date |
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| CN105526375B (en) | 2018-11-23 |
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