CN102777644B - Straight-flow regulating valve - Google Patents
Straight-flow regulating valve Download PDFInfo
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- CN102777644B CN102777644B CN 201210262457 CN201210262457A CN102777644B CN 102777644 B CN102777644 B CN 102777644B CN 201210262457 CN201210262457 CN 201210262457 CN 201210262457 A CN201210262457 A CN 201210262457A CN 102777644 B CN102777644 B CN 102777644B
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- 230000001105 regulatory effect Effects 0.000 title abstract 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 230000008878 coupling Effects 0.000 claims description 54
- 238000010168 coupling process Methods 0.000 claims description 54
- 238000005859 coupling reaction Methods 0.000 claims description 54
- 238000005304 joining Methods 0.000 claims description 22
- 230000000295 complement effect Effects 0.000 claims description 4
- 239000012530 fluid Substances 0.000 abstract description 18
- 239000007788 liquid Substances 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 238000004804 winding Methods 0.000 abstract 1
- 230000008859 change Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Abstract
The invention discloses a straight-flow regulating valve which belongs to the technical field of valve manufacturing, aiming at solving problems that the passage of valve body of the existing regulating valve is winding, the resistance is great when liquid passes through, etc. The straight-flow regulating valve comprises a valve body, wherein a hollow cavity is formed in the valve body; a water inlet and a water outlet are respectively arranged at the left side and the right side of the valve body; a valve core is arranged in the valve body; the inner end of a valve rod is connected with the valve core, and an outer end stretches out of the valve body and is connected with a hand wheel; a connecting rod which is in threaded connection with the valve body is arranged on the valve core and is arranged along a connecting line between the water inlet and the water outlet of the valve body; the valve rod is vertical to the connecting rod, and a worm rod is arranged on the valve rod; a turbine which is meshed with the worm rod is fixedly connected in the valve body along an axial direction; and the turbine is fixedly connected with the connecting rod along a peripheral direction. The straight-flow regulating valve has the characteristics of low resistance and strong flowing ability when the fluid passes through the valve body.
Description
Technical field
The invention belongs to technical field of valve manufacturing, relate to a kind of modulating valve, particularly a kind of direct current type modulating valve.
Background technique
In the automatic control of modern plant, modulating valve plays a very important role, by accepting the control signal of regulation unit output, remove to change the process parameters such as rate-of flow, pressure, temperature, liquid level by power operation, reach correct distribution and the control of medium.
It is the valve body of cavity, spool, valve rod and handwheel that modulating valve generally comprises inner, spool is positioned at valve body, the inner of valve rod is connected with spool, the outer end of valve rod is stretched out outside valve body and is connected with handwheel, one side of valve body is water intake, opposite side is water outlet, the shape of existing valve body generally is T-shaped or inclined, fluid enters the spool of flowing through, valve core case from the water intake of valve body lower portion and goes out from the water outlet on valve body top, or fluid from the water intake on valve body top enter the spool of flowing through, valve core case flows out from the water outlet of valve body lower portion.
But the valve body of this kind of structure, when fluid process valve body, due to the passage complications of valve inner, fluid first impacts valve interior wall change direction after entering valve body, after flowing to spool, valve core case, again impact valve interior wall and change direction, make fluid in the valve body of flowing through, the resistance run into is large, and the fluid circulation has some setbacks, negotiability is poor, and in valve body, the phenomenons such as meeting generation eddy current, turbulent flow cause damage to the internal surface of valve.
Summary of the invention
The objective of the invention is for the above-mentioned problems in the prior art, the direct current type that a kind of resistance coefficient is little, negotiability is strong modulating valve is provided.
Purpose of the present invention can realize by following technical proposal: a kind of direct current type modulating valve, comprise that inner is the valve body of cavity, the left and right sides of valve body is respectively water intake and water outlet, there is spool in described valve body, valve rod is inner to link with spool, the valve rod outer end stretches out valve body and handwheel links, it is characterized in that, there is the coupling rod that is connected with valve body screw thread and coupling rod on described spool along line direction setting between valve inleting water mouth and water outlet, above-mentioned valve rod and coupling rod are perpendicular, there is worm screw on described valve rod, axially be fixedly connected with the worm gear be meshed with above-mentioned worm screw in described valve body, described worm gear and above-mentioned coupling rod circumferentially are connected.
There is coupling rod on the spool of this direct current type modulating valve, coupling rod is connected with valve body screw thread, coupling rod arranges along the water intake of valve body and the line direction between water outlet, and coupling rod and valve rod are perpendicular, the water intake of valve body and water outlet are that fluid is when flowing to valve body on a straight line, fluid flows along beeline channel, the resistance be subject to is little, flows smooth and easy, and negotiability is strong.There is worm screw on valve rod, axially be fixed with worm gear in valve body, worm gear is meshed with worm screw, rotatable handle, and handle band ovable valve stem, worm screw are rotated, worm screw drives the worm gear rotation, change sense of rotation, because worm gear and coupling rod circumferentially are connected, worm gear drives coupling rod and rotates, always be with movable valve plug to move axially along valve body, the function that makes spool play unlatching, close and control.
In above-mentioned a kind of direct current type modulating valve, there is joining plate in described valve body, above-mentioned worm-wheel shaft is to connecting firmly on joining plate.Joining plate is connected mutually with valve body, is that worm gear is connected in the carrier on valve body, and worm-wheel shaft, to connecting firmly on joining plate, links and reaches the purpose that changes the handwheel transmission direction with worm screw.
In above-mentioned a kind of direct current type modulating valve, there is coupling tunnel in described valve body, there is tapped hole on described coupling tunnel, above-mentioned coupling rod is positioned at coupling tunnel and both are threaded.Have outside thread on coupling rod, it is threaded and is located in the tapped hole of coupling tunnel in valve body, and coupling rod is connected with the coupling tunnel screw thread.
In above-mentioned a kind of direct current type modulating valve, described coupling tunnel connects firmly on joining plate.Coupling tunnel is connected on joining plate, and coupling tunnel is fixed in valve body, thereby coupling rod and spool are positioned in valve body.
In above-mentioned a kind of direct current type modulating valve, described coupling tunnel end has the connecting base protruded laterally, and a fastening piece is through at connecting base and on joining plate, makes coupling tunnel and joining plate be connected mutually.Be through at connecting base and on joining plate, make coupling tunnel and joining plate be connected mutually by fastening piece, coupling tunnel is fixed in valve body, simple in structure.
In above-mentioned a kind of direct current type modulating valve, described coupling rod and spool are the integral type structure.The integral structure structural stability, spool is during by fluid impact, good stability.
In above-mentioned a kind of direct current type modulating valve, described spool sidepiece has seal ring.Seal ring has strengthened the sealability of valve, and at valve, during in closed condition, fluid can not be from the gap seepage between valve body and spool.
In above-mentioned a kind of direct current type modulating valve, described spool end has the guide rod that is shaft-like, in described valve body, has guiding element, and above-mentioned guide rod is through at the guiding element place.The existence of guide rod and guiding element, strengthened the stability of spool, even valve body inner fluid flow is larger, fluid is larger to the impact force of spool, and spool can not rock yet, and noise is little, and the precision that spool is controlled flow is high.
In above-mentioned a kind of direct current type modulating valve, described guiding element is strip and has the pilot hole be complementary with guide rod thereon, and above-mentioned guide rod is positioned at the pilot hole place.Guide rod and pilot hole are complementary, basic drive fit, and guide rod is arranged in pilot hole, makes spool when mobile, plays location and makes the more stable effect of spool.
Compared with prior art, a kind of direct current type modulating valve provided by the invention has the following advantages:
1, the water intake of this direct current type modulating valve and water outlet, on same straight line, flow along beeline channel when fluid is flowed through valve body, and the resistance be subject to is little, flow smooth and easy, and negotiability is strong.
2, this direct current type modulating valve changes the moving direction of spool by worm gear and worm screw, simple in structure.
3, be fixed with guiding element on the valve body of this direct current type modulating valve, have guide rod on spool, guide rod is arranged in the pilot hole of guiding element, makes the stability of spool better.
The accompanying drawing explanation
Fig. 1 is the overall structure sectional view of this direct current type modulating valve.
Fig. 2 is the right elevation of this direct current type modulating valve.
In figure, 1, valve body; 2, water intake; 3, water outlet; 4, spool; 5, valve rod; 6, handwheel; 7, coupling rod; 8, worm screw; 9, worm gear; 10, joining plate; 11, coupling tunnel; 12, tapped hole; 13, connecting base; 14, fastening piece; 15, seal ring; 16, guide rod; 17, guiding element; 18, pilot hole.
Embodiment
Be below specific embodiments of the invention by reference to the accompanying drawings, technological scheme of the present invention is further described, but the present invention be not limited to these embodiments.
As shown in Figure 1, direct current type modulating valve provided by the invention comprises valve body 1, spool 4, valve rod 5 and handwheel 6 etc., the inside of valve body 1 is cavity, its left side is water intake 2, right side is water outlet 3, the outer end of valve rod 5 is stretched out outside valve body 1 and handwheel 6 links, valve rod 5 is positioned on an end of valve body 1 and has worm screw 8, the left side of worm screw 8 has joining plate 10, joining plate 10 is connected mutually with valve body 1, the left side of joining plate 10 is fixed with coupling tunnel 11, one end of coupling tunnel 11 has tapped hole 12, the end of the other end has the connecting base 13 protruded laterally, there is attachment hole on connecting base 13, by fastening piece 14, through the attachment hole on connecting base 13, coupling tunnel 11 and joining plate 10 are connected mutually, fastening piece 14 of the present invention is screw.The opposite side of joining plate 10 axially is fixed with worm gear 9, as shown in Figure 2, worm gear 9 is meshed with worm screw 8, when handwheel 6 band ovable valve stems 5, worm screw 8 are rotated, worm screw 8 drives worm gears 9 rotations, makes originally the circumference of valve rod 5 rotatablely move and becomes worm gear 9 rotatablely moving along valve rod 5 axial directions.
Spool 4 is integral structures with coupling rod 7, the outside of coupling rod 7 has screw thread, coupling rod 7 arranges along the line direction between valve body 1 water intake 2 and water outlet 3, and coupling rod 7 is perpendicular with valve rod 5, coupling rod 7 screw threads are located in the tapped hole 12 of coupling tunnel 11, and the other end of coupling rod 7 and worm gear 9 circumferentially are connected, this kind of structure, make rotatablely moving of handwheel 6 be converted into the left and right translational motion of spool 4.
The sidepiece of spool 4 has seal ring 15, and when valve, during in closed condition, seal ring 15 prevents that fluid is from the gap seepage between spool 4 and valve body 1, good seal performance.The end of spool 4 has the guide rod 16 that is shaft-like, there is the guiding element 17 that is strip in valve body 1, there is the pilot hole 18 be complementary with guide rod 16 on guiding element 17, guide rod 16 is located in pilot hole 18, guide rod 16 and the basic drive fit of pilot hole 18, even the fluid impact power that spool 4 is subject to is larger, spool 4 can not rock yet, good stability, noise is little.
Direct current type modulating valve provided by the invention makes spool 4 become the left and right translational motion from of the prior art moving up and down by worm screw 8 and worm gear 9, thereby the water outlet 3 of realizing valve body 1 is located along the same line with water intake 2, reduce the fluid resistance of valve body 1 when interior of flowing through, improved the negotiability of fluid, made the performance of the adjusting of modulating valve and distribution good, precision is high.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has more been used the terms such as valve body 1, water intake 2, water outlet 3, spool 4, valve rod 5, handwheel 6, coupling rod 7, worm screw 8, worm gear 9, joining plate 10, coupling tunnel 11, tapped hole 12, connecting base 13, fastening piece 14, seal ring 15, guide rod 16, guiding element 17, pilot hole 18, do not get rid of the possibility of using other term.Using these terms is only in order to describe more easily and explain essence of the present invention; They are construed to any additional restriction is all contrary with spirit of the present invention.
Claims (8)
1. a direct current type modulating valve, comprise that inside is the valve body of cavity (1), the left and right sides of valve body (1) is respectively water intake (2) and water outlet (3), there is spool (4) in described valve body (1), valve rod (5) is inner to link with spool (4), valve rod (5) outer end is stretched out valve body (1) and is linked with handwheel (6), it is characterized in that, there is coupling tunnel (11) in described valve body (1), there is tapped hole (12) on described coupling tunnel (11), on described spool (4), have with the coupling rod (7) that is threaded of coupling tunnel (11) in valve body (1) and coupling rod (7) along line direction setting between valve body (1) water intake (2) and water outlet (3), above-mentioned coupling rod (7) is positioned at coupling tunnel (11), above-mentioned valve rod (5) is perpendicular with coupling rod (7), there is worm screw (8) on described valve rod (5), axially be fixedly connected with the worm gear (9) be meshed with above-mentioned worm screw (8) in described valve body (1), described worm gear (9) circumferentially is connected with above-mentioned coupling rod (7).
2. direct current type modulating valve according to claim 1, is characterized in that, has joining plate (10) in described valve body (1), and above-mentioned worm gear (9) axially connects firmly on joining plate (10).
3. direct current type modulating valve according to claim 2, is characterized in that, described coupling tunnel (11) connects firmly on joining plate (10).
4. direct current type modulating valve according to claim 1, it is characterized in that, described coupling tunnel (11) end has the connecting base (13) protruded laterally, and a fastening piece (14) is through at connecting base (13) and on joining plate (10), makes coupling tunnel (11) and joining plate (10) be connected mutually.
5. according to claim 1 or 2 or 3 or 4 described direct current type modulating valve, it is characterized in that, described coupling rod (7) is the integral type structure with spool (4).
6. according to claim 1 or 2 or 3 or 4 described direct current type modulating valve, it is characterized in that, described spool (4) sidepiece has seal ring (15).
7. according to claim 1 or 2 or 3 or 4 described direct current type modulating valve, it is characterized in that, described spool (4) end has the guide rod (16) that is shaft-like, has guiding element (17) in described valve body (1), and above-mentioned guide rod (16) is through at guiding element (17) and locates.
8. direct current type modulating valve according to claim 7, is characterized in that, described guiding element (17) is strip and has the pilot hole (18) be complementary with guide rod (16) thereon, and above-mentioned guide rod (16) is positioned at pilot hole (18) and locates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210262457 CN102777644B (en) | 2012-07-26 | 2012-07-26 | Straight-flow regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210262457 CN102777644B (en) | 2012-07-26 | 2012-07-26 | Straight-flow regulating valve |
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| Publication Number | Publication Date |
|---|---|
| CN102777644A CN102777644A (en) | 2012-11-14 |
| CN102777644B true CN102777644B (en) | 2013-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210262457 Expired - Fee Related CN102777644B (en) | 2012-07-26 | 2012-07-26 | Straight-flow regulating valve |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966743B (en) * | 2012-11-21 | 2014-07-23 | 邓连友 | Thrust valve |
| CN106870810A (en) * | 2017-04-11 | 2017-06-20 | 无锡沪东麦斯特环境科技股份有限公司 | A kind of built-in instant decompression release device |
| CN107842630A (en) * | 2017-11-27 | 2018-03-27 | 哈工大机器人（合肥）国际创新研究院 | Worm type double on and off valve |
| CN114776853B (en) * | 2022-03-18 | 2023-04-25 | 衢州学院 | Worm-gear overflow valve with wide pressure regulating range and strong pollution resistance |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0066795A1 (en) * | 1981-06-01 | 1982-12-15 | Alsthom | Fast closing valve for a compressible fluid |
| GB2166847A (en) * | 1984-05-21 | 1986-05-14 | Alfoeldi Koeolajipari Gepgyar | Axial flow valve |
| US6216721B1 (en) * | 1999-01-26 | 2001-04-17 | Bermad | Axial control valve |
| CN2623984Y (en) * | 2003-07-15 | 2004-07-07 | 李再成 | Conical multifunctional energy-saving valve |
| CN101294627A (en) * | 2007-04-29 | 2008-10-29 | 刘敬善 | High-pressure condensation water level control valve |
| CN201318492Y (en) * | 2008-08-28 | 2009-09-30 | 浙江凯瑞特阀业有限公司 | Throttling stop valve |
| CN202790743U (en) * | 2012-07-26 | 2013-03-13 | 卓旦春 | Direct-flow regulating valve |
-
2012
- 2012-07-26 CN CN 201210262457 patent/CN102777644B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0066795A1 (en) * | 1981-06-01 | 1982-12-15 | Alsthom | Fast closing valve for a compressible fluid |
| GB2166847A (en) * | 1984-05-21 | 1986-05-14 | Alfoeldi Koeolajipari Gepgyar | Axial flow valve |
| US6216721B1 (en) * | 1999-01-26 | 2001-04-17 | Bermad | Axial control valve |
| CN2623984Y (en) * | 2003-07-15 | 2004-07-07 | 李再成 | Conical multifunctional energy-saving valve |
| CN101294627A (en) * | 2007-04-29 | 2008-10-29 | 刘敬善 | High-pressure condensation water level control valve |
| CN201318492Y (en) * | 2008-08-28 | 2009-09-30 | 浙江凯瑞特阀业有限公司 | Throttling stop valve |
| CN202790743U (en) * | 2012-07-26 | 2013-03-13 | 卓旦春 | Direct-flow regulating valve |
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| CN102777644A (en) | 2012-11-14 |
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Owner name: VOLDA ENVIRONMENTAL TECHNOLOGY JIANGSU CO., LTD. Free format text: FORMER OWNER: ZHUO DANCHUN Effective date: 20140410 |
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Free format text: CORRECT: ADDRESS; FROM: 317608 TAIZHOU, ZHEJIANG PROVINCE TO: 223900 SUQIAN, JIANGSU PROVINCE |
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Effective date of registration: 20140410 Address after: Suqian City, Jiangsu province Shuang'gou 223900 west of Sihong County Economic Development Zone No. 388 Patentee after: WOERDA ENVIRONMENTAL TECHNOLOGY JIANGSU CO., LTD. Address before: Taizhou City, Zhejiang province 317608 Yuhuan County Lu Pu Industrial Park Zhejiang woerda Copper Co. Ltd. Patentee before: Zhuo Danchun |
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Effective date of registration: 20170301 Address after: Jiangdong Road Jianye District of Nanjing City, Jiangsu province 210019 C Wanda Center No. 108 Room 501 Patentee after: Jiangsu Wo Hui Industrial Technology Group Limited Address before: Suqian City, Jiangsu province Shuang'gou 223900 west of Sihong County Economic Development Zone No. 388 Patentee before: WOERDA ENVIRONMENTAL TECHNOLOGY JIANGSU CO., LTD. |
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Granted publication date: 20131225 Termination date: 20180726 |
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| CF01 | Termination of patent right due to non-payment of annual fee |