CN103671943B - Balance type multi-stage regulating valve - Google Patents
Balance type multi-stage regulating valve Download PDFInfo
- Publication number
- CN103671943B CN103671943B CN201310668129.5A CN201310668129A CN103671943B CN 103671943 B CN103671943 B CN 103671943B CN 201310668129 A CN201310668129 A CN 201310668129A CN 103671943 B CN103671943 B CN 103671943B
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- China
- Prior art keywords
- overflow hole
- valve
- valve body
- annular groove
- inner sleeve
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/52—Means for additional adjustment of the rate of flow
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding Valves (AREA)
- Lift Valve (AREA)
Abstract
The present invention relates to a kind of balance type multi-stage regulating valve, comprise valve body, end flange, valve seat, flap, valve gap, support and valve rod, support is built-in with Stem Mut, stem lower portion is connected with flap top, top is provided with Joystick, its special way is: set gradually inner sleeve in valve body, middle cover, overcoat, inner sleeve is corresponding with middle cover to be provided with, in, lower three part overflow holes, top overflow hole and bottom overflow hole are respectively multi-stage porous, the top overflow hole overlapped in overcoat correspondence offers overflow hole, flap offers the annular groove A be communicated with the overflow hole of inner sleeve, middle cover outer wall offers the annular groove B being communicated with its underpart overflow hole and middle part overflow hole, and be communicated with the annular groove C of overflow hole of its top overflow hole and overcoat, valve interior surface is provided with and is communicated with the overflow hole of overcoat and the annular groove D of valve body liquid outlet.Which solve the problem of the multistage adjustment of existing modulating valve, have and open and close the advantage flexible, easy and simple to handle, density strength is high, safe and reliable.
Description
Technical field
The present invention relates to a kind of balanced type modulating valve, particularly a kind of balance type multi-stage regulating valve, be widely used in the industry such as oil, chemical industry.
Background technique
Existing modulating valve is generally by valve body, be located at the end flange of valve body liquid inlet and outlet, be located at the valve seat in valve body, flap, be located at the valve gap on valve body top, be located at valve upper part of the cover support and valve rod composition, support is built-in with the Stem Mut matched with valve rod, and stem lower portion is connected with flap top through valve gap, and top is provided with Joystick.Wherein, the unlatching of valve, closedown and adjust stream to be determined by the cooperation of valve seat and flap, during use, rotate the upper and lower straight line motion that Joystick realizes valve rod, valve rod drive flap away from or realize above-mentioned functions near valve seat, the effect of multistage adjust flux can not be realized, the requirement of modernization industry can not be met.
Summary of the invention
The object of the invention is to solve existing modulating valve multistage adjustment problem to provide a kind of, opening and closing flexible, easy and simple to handle, that density strength is high, safe and reliable balance type multi-stage regulating valve.
Technological scheme of the present invention is:
A kind of balance type multi-stage regulating valve, comprises valve body, is located at valve body and enters, the end flange of liquid outlet, is located at the valve seat in valve body, flap, is located at the valve gap on valve body top, is located at valve upper part of the cover support and valve rod, support is built-in with the Stem Mut matched with valve rod, stem lower portion is connected with flap top through valve gap, and top is provided with Joystick, and its special way is: set gradually inner sleeve in described valve body, middle cover, overcoat, described inner sleeve is corresponding with middle cover to be provided with, in, lower three part overflow holes, top overflow hole and bottom overflow hole are respectively multi-stage porous, the top overflow hole of the corresponding described middle cover of described overcoat offers overflow hole, described flap offers the annular groove A be communicated with the overflow hole of described inner sleeve, described middle cover outer wall offers the annular groove B being communicated with its underpart overflow hole and middle part overflow hole, and being communicated with the annular groove C of overflow hole of its top overflow hole and overcoat, described valve interior surface is provided with and is communicated with the overflow hole of described overcoat and the annular groove D of valve body liquid outlet, to be formed by valve body liquid entering hole, through the bottom overflow hole of inner sleeve and middle cover, annular groove B, the middle part overflow hole of inner sleeve and middle cover, annular groove A, the top overflow hole of inner sleeve and middle cover, annular groove C, the overflow hole of overcoat, annular groove D, arrive the medium channel of valve body liquid outlet.
Above-mentioned balance type multi-stage regulating valve, the upper and lower part overflow hole of described inner sleeve and middle cover at least adopts three grades, is uniformly distributed on inner sleeve and middle jacket wall respectively, to reach the effect of better adjust flux.
Above-mentioned balance type multi-stage regulating valve, described flap is provided with the equalizing orifice being communicated with valve body liquid entering hole and valve inner, to reach the object of self balancing, reduce valve opening and close time steering force, open and close flexible, easy and simple to handle, especially when pressure medium is higher.
Above-mentioned balance type multi-stage regulating valve, the surface of contact of described inner sleeve and middle cover, middle cover and overcoat is respectively equipped with O-ring seals, to improve the sealability of valve body.
Above-mentioned balance type multi-stage regulating valve, the surface of contact of described valve seat and valve body is provided with O-ring seals, to improve the sealability of valve body.
Above-mentioned balance type multi-stage regulating valve, the surface of contact of described valve gap and valve body, flap, valve rod is respectively equipped with O-ring seals, to improve the sealability of valve body.
Above-mentioned balance type multi-stage regulating valve, difference pile-up welding hard alloy on the surface of contact of described valve seat and flap, to improve its erosion resistance, sealability.
The invention has the beneficial effects as follows:
Owing to being provided with the inner sleeve with overflow hole in valve body, middle cover and overcoat, along with the continuous lifting of flap, inner sleeve, in the overflow hole that puts be opened step by step, medium is first via inner sleeve, the bottom overflow hole of middle cover flows into annular groove B(overcoat inner chamber), again via inner sleeve, annular groove A on the middle part overflow hole of middle cover and flap flows into inner sleeve, the top overflow hole of middle cover, finally by by annular groove C, the overflow hole of overcoat flows into annular groove D(body cavity), and then achieve the multistage adjustment of rate-of flow, after flap is all opened, rate-of flow is in maximum rating.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
In figure: valve body 1, end flange 2, O-ring seals 3, valve seat 4, O-ring seals 5, O-ring seals 6, inner sleeve 7, middle cover 8, overcoat 9, O-ring seals 10, flap 11, O-ring seals 12, O-ring seals 13, divided ring 14, valve gap 15, valve rod 16, O-ring seals 17, Joystick 18, nut 19, packing ring 20, set lever 21, Stem Mut 22, indicator panel 23, screw 24, support 25, annular groove D26, overflow hole 27, annular groove C28, top overflow hole 29, annular groove B30, middle part overflow hole 31, bottom overflow hole 32, annular groove A33, equalizing orifice 34.
Embodiment
As shown in the figure, this balance type multi-stage regulating valve, comprise valve body 1, be welded in valve body 1 to enter, the end flange 2 of liquid outlet, be located at the valve seat 4 in valve body 1, flap 11, be threadedly connected to the valve gap 15 on valve body 1 top, be threaded in support 25 and the valve rod 16 on valve gap 15 top, support 25 is built-in with the Stem Mut 22 that matches with valve rod 16 and utilizes set lever 21 to lock, valve rod 16 bottom utilizes divided ring 14 to be connected with flap 11 top through valve gap 15, valve rod 16 top is provided with Joystick 18 and utilizes nut 19 and packing ring 20 to fix, (support 25 is positioned at) and utilizes screw 24 to be provided with the indicator panel 23 being used to indicate Flow-rate adjustment in the middle part of described valve rod 16.Described flap 11 is provided with the equalizing orifice 34 being communicated with valve body 1 liquid entering hole and valve body 1 inside.Described valve seat 4 and difference pile-up welding hard alloy on the surface of contact of flap 11.
Inner sleeve 7 is set gradually in described valve body 1, middle cover 8, overcoat 9, described inner sleeve 7 is corresponding with middle cover 8 to be provided with, in, lower three part overflow holes, top overflow hole 29 and bottom overflow hole 32 are respectively multi-stage porous, the top overflow hole 29 of the corresponding described middle cover 8 of described overcoat 9 offers overflow hole 27, described flap 11 offers the annular groove A33 be communicated with the overflow hole of described inner sleeve 7, described middle cover 8 outer wall offers the annular groove B30 being communicated with its underpart overflow hole 32 and middle part overflow hole 31, and being communicated with the annular groove C28 of overflow hole 27 of its top overflow hole 29 and overcoat 9, described valve body 1 internal surface is provided with and is communicated with the overflow hole 27 of described overcoat 9 and the annular groove D26 of valve body 1 liquid outlet, to be formed by valve body 1 liquid entering hole, through the bottom overflow hole 32 of inner sleeve 7 and middle cover 8, annular groove B30, the middle part overflow hole 31 of inner sleeve 7 and middle cover 8, annular groove A33, the top overflow hole 29 of inner sleeve 7 and middle cover 8, annular groove C28, the overflow hole 27 of overcoat, annular groove D26, arrive the medium channel of valve body 1 liquid outlet.The upper and lower part overflow hole 29,32 of described inner sleeve 7 and middle cover 8 at least adopts three grades, is uniformly distributed in respectively on inner sleeve 7 and middle cover 8 wall.
In order to improve the overall sealing performance of valve body 1, described inner sleeve 7 and the surface of contact of middle cover 8, middle cover 8 and overcoat 9 are respectively equipped with O-ring seals 5,6,10, described valve seat 4 is provided with O-ring seals 3 with the surface of contact of valve body 1, and described valve gap 15 and the surface of contact of valve body 1, flap 11, valve rod 16 are respectively equipped with O-ring seals 12,13,17.
MEDIA FLOW of the present invention to entering for left side, right side flows out, i.e. low in and high out.When flap 11 is closed, valve is in closed condition.When flap 11 is opened, medium flows out via the overflow hole on inner sleeve 7, middle cover 8, overcoat 9.
Claims (7)
1. a balance type multi-stage regulating valve, comprises valve body, is located at valve body and enters, the end flange of liquid outlet, is located at the valve seat in valve body, flap, is located at the valve gap on valve body top, is located at valve upper part of the cover support and valve rod, support is built-in with the Stem Mut matched with valve rod, stem lower portion is connected with flap top through valve gap, and top is provided with Joystick, it is characterized in that: set gradually inner sleeve in described valve body, middle cover, overcoat, described inner sleeve is corresponding with middle cover to be provided with, in, lower three part overflow holes, top overflow hole and bottom overflow hole are respectively multi-stage porous, the top overflow hole of the corresponding described middle cover of described overcoat offers overflow hole, described flap offers the annular groove A be communicated with the overflow hole of described inner sleeve, described middle cover outer wall offers the annular groove B being communicated with its underpart overflow hole and middle part overflow hole, and being communicated with the annular groove C of overflow hole of its top overflow hole and overcoat, described valve interior surface is provided with and is communicated with the overflow hole of described overcoat and the annular groove D of valve body liquid outlet, to be formed by valve body liquid entering hole, through the bottom overflow hole of inner sleeve and middle cover, annular groove B, the middle part overflow hole of inner sleeve and middle cover, annular groove A, the top overflow hole of inner sleeve and middle cover, annular groove C, the overflow hole of overcoat, annular groove D, arrive the medium channel of valve body liquid outlet.
2. balance type multi-stage regulating valve according to claim 1, is characterized in that: the upper and lower part overflow hole of described inner sleeve and middle cover at least adopts three grades, is uniformly distributed in respectively on inner sleeve and middle jacket wall.
3. balance type multi-stage regulating valve according to claim 1, is characterized in that: described flap is provided with the equalizing orifice being communicated with valve body liquid entering hole and valve inner.
4. balance type multi-stage regulating valve according to claim 1, is characterized in that: the surface of contact of described inner sleeve and middle cover, middle cover and overcoat is respectively equipped with O-ring seals.
5. balance type multi-stage regulating valve according to claim 1, is characterized in that: the surface of contact of described valve seat and valve body is provided with O-ring seals.
6. balance type multi-stage regulating valve according to claim 1, is characterized in that: the surface of contact of described valve gap and valve body, flap, valve rod is respectively equipped with O-ring seals.
7. balance type multi-stage regulating valve according to claim 1, is characterized in that: difference pile-up welding hard alloy on the surface of contact of described valve seat and flap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310668129.5A CN103671943B (en) | 2013-12-07 | 2013-12-07 | Balance type multi-stage regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310668129.5A CN103671943B (en) | 2013-12-07 | 2013-12-07 | Balance type multi-stage regulating valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103671943A CN103671943A (en) | 2014-03-26 |
| CN103671943B true CN103671943B (en) | 2015-10-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310668129.5A Active CN103671943B (en) | 2013-12-07 | 2013-12-07 | Balance type multi-stage regulating valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN103671943B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104613222B (en) * | 2015-02-10 | 2017-04-12 | 杭州电子科技大学 | Regulating valve balance mechanism of steam turbine |
| CN106439196B (en) * | 2016-10-28 | 2019-03-29 | 国家电网公司 | The dedicated locking device of valve operation handle |
| CN108533775B (en) * | 2018-04-27 | 2019-10-15 | 深圳海力德油田技术开发有限公司 | A kind of multistage flow safety valve of Petroleum Production |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6283152B1 (en) * | 1999-03-01 | 2001-09-04 | Cor-Val, Inc. | Multiple sleeve valve assembly |
| CN2472013Y (en) * | 2001-04-04 | 2002-01-16 | 湖南大乘资氮集团有限公司 | Regulating valve |
| CN101586667A (en) * | 2009-06-19 | 2009-11-25 | 林文华 | High Pressure Difference, fine setting modulating valve |
| CN202629322U (en) * | 2012-05-31 | 2012-12-26 | 无锡宝牛阀业有限公司 | Pressure-balance-type guided control valve of multi-section multi-stage decompression sleeve |
| CN202812249U (en) * | 2012-09-29 | 2013-03-20 | 凯瑞特阀业有限公司 | Balanced type multilevel regulating valve of bidirectional-used valve seat |
-
2013
- 2013-12-07 CN CN201310668129.5A patent/CN103671943B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6283152B1 (en) * | 1999-03-01 | 2001-09-04 | Cor-Val, Inc. | Multiple sleeve valve assembly |
| CN2472013Y (en) * | 2001-04-04 | 2002-01-16 | 湖南大乘资氮集团有限公司 | Regulating valve |
| CN101586667A (en) * | 2009-06-19 | 2009-11-25 | 林文华 | High Pressure Difference, fine setting modulating valve |
| CN202629322U (en) * | 2012-05-31 | 2012-12-26 | 无锡宝牛阀业有限公司 | Pressure-balance-type guided control valve of multi-section multi-stage decompression sleeve |
| CN202812249U (en) * | 2012-09-29 | 2013-03-20 | 凯瑞特阀业有限公司 | Balanced type multilevel regulating valve of bidirectional-used valve seat |
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| Publication number | Publication date |
|---|---|
| CN103671943A (en) | 2014-03-26 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CB03 | Change of inventor or designer information |
Inventor after: Wang Zilei Inventor after: Wang Bo Inventor after: Zhang Mochu Inventor after: Meng Fanhua Inventor before: Wang Zilei |
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| COR | Change of bibliographic data |