CN103542154A - Dynamic flow balance valve - Google Patents
Dynamic flow balance valve Download PDFInfo
- Publication number
- CN103542154A CN103542154A CN201310477377.1A CN201310477377A CN103542154A CN 103542154 A CN103542154 A CN 103542154A CN 201310477377 A CN201310477377 A CN 201310477377A CN 103542154 A CN103542154 A CN 103542154A
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- China
- Prior art keywords
- valve
- courage
- spring
- cylindrical
- dynamic flow
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- Granted
Links
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
- F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
- F16K17/24—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member
- F16K17/28—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only
- F16K17/30—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only spring-loaded
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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
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
Abstract
The invention relates to a dynamic flow balance valve, and belongs to the technical field of balance valves. The dynamic flow balance valve comprises a valve element mounted on a valve body. The valve element comprises a valve shell, a valve lining, a valve lining upper-end cap and a spring. Two rectangular through grooves are formed in the wall of the middle portion of the valve shell. A step I is arranged on the upper portion of the valve shell. The outer circle of the step I is matched with an inner hole of the valve body. A step II is arranged on the lower portion of the valve shell. The outer circle step face of the step II is clamped on the end face of an upper opening of a valve seat hole of the valve body. The valve lining upper-end cap comprises a cylindrical body with a through hole. The outer wall of the cylindrical body is in threaded connection with a thread on the inner circle of the step I. The valve lining comprises a cylinder with a bottom at the lower end and an opening at the upper end. A special-shaped curve hole is formed in the wall of the cylinder. The outer wall of the opening end of the cylinder is clamped on the inner circle of the step II. The spring is sleeved outside the wall of the middle portion of the valve shell, one end of the spring is ejected on the lower end face of the valve lining upper-end cap, and the other end of the spring is ejected on upper end face of the opening end of the valve lining. The dynamic flow balance valve is small in size, and the valve element is good in stability.
Description
Technical field
The present invention relates to a kind of dynamic flow balance valve, belong to the technical field of equilibrium valve.
Background technique
Full-automatic balanced valve is mainly used in flowing medium pipeline control system, and at present, Full-automatic balanced valve has various structures design.Wherein, there is a kind of name to be called the patented technology that Full-automatic balanced valve, the patent No. are 200920352944.X, its concrete structure is: in valve body, be provided with a valve courage, valve courage is comprised of valve courage base, valve courage lid and valve courage lid spring, valve courage cover buckle is combined in valve courage base, is provided with valve courage spring in valve courage base, and valve courage spring is connected with valve courage lid, at valve courage, cover and be provided with a plurality of metering orifices, in the bottom of valve courage base, be provided with water port.The medium of the Full-automatic balanced valve of this structure is flowed into by valve casing and is flowed out from the port of valve courage lid by valve courage lateral aperture, makes the structure of whole spool bigger than normal, and volume is bigger than normal, makes the volume of whole valve bigger than normal.
Also have a kind of name to be called the patented technology that small flow full-automatic double-beat drop valve, the patent No. are 200620086006.6, its concrete structure is: in valve body, be provided with valve courage, valve courage is compressed by the holddown spring being located in valve body, one end of holddown spring is provided with the sealing end cap that valve body is threaded connection, valve courage upper end cap compresses by the control spring being located in valve courage lower endcaps, one end of control spring is provided with adjustment end cap, and valve courage upper end cap two outer side walls are provided with metering orifice and permanent current hole.The Full-automatic balanced valve of this structure, its spool fixing is by valve gap and spring compression on valve body, and spool is at pressure reduction under the effect with regard to fluid, and the stability of spool is bad.
The means of fixation of the spring of the dynamic balance valve of above two kinds of structures coordinates with the inner ring of valve courage and valve courage upper end cap by spring outer ring, and in work, the vibrations of spool are larger, and noise is larger.
Summary of the invention
The object of this invention is to provide that a kind of volume is little, the dynamic flow balance valve of spool good stability.
For achieving the above object, the technical solution adopted in the present invention is:
, comprising the spool, the valve gap that are arranged on valve body, described spool comprises valve casing, valve courage, valve courage upper end cap, spring; Valve casing is cylindrical sleeves structure, on the wall body of valve casing middle part, offer two rectangular through slot, and these two rectangular through slot are symmetrical arranged centered by valve casing axis, valve casing top is provided with step one, the setting that matches with valve body inner bore of the cylindrical of step one, the inner circle of step one is provided with screw thread, and valve casing bottom is provided with step two, and the cylindrical step surface holding of step two is on the end face suitable for reading in valve body and valve seat hole; In the middle of valve courage upper end cap comprises, with the cylindrical body of through hole, the outer wall of cylindrical body is threaded with the screw thread in step one inner circle; At the bottom of valve courage comprises lower end band, the cylindrical tube of upper end open, the wall body of cylindrical tube is provided with special-shaped curve through hole, in the inner circle of the opening end outer wall holding step two of cylindrical tube; Spring is nested with in the outside of valve casing middle part wall body, and spring one end withstands on the lower end surface of valve courage upper end cap, and the other end withstands on the upper-end surface of valve courage opening end.
Further setting as such scheme, the lower end surface of described cylindrical body offers annular groove one, the upper-end surface of valve courage opening end offers annular groove two, the holding of spring one end is in annular groove one, the holding of the spring the other end is in annular groove two, can further improve the stability of spool, and reduce noise.
On the upper-end surface of described cylindrical body, be provided with rectangle straight groove, can play and conveniently tighten effect.
Between the cylindrical step surface of described step two and the end face suitable for reading in valve body and valve seat hole, be provided with rectangular seal.
Described valve gap is arranged on valve casing top, and between valve gap and valve body, O-ring seals is installed.Valve gap is for being pressed on spool and rectangular seal the end face suitable for reading in valve body and valve seat hole.
Between described valve gap and valve body, be threaded connection.
A kind of dynamic flow balance valve of the present invention, its valve core structure is simplified, valve casing lateral opening (being rectangular through slot), the opening that the special-shaped curve through hole of medium by valve courage side flows into by valve casing side flows out, the height of whole spool is reduced, volume reduces, thereby the volume of whole dynamic flow balance valve is reduced.Simultaneously, the present invention has changed the means of fixation of valve courage, valve courage upper end cap and spring, change spring and valve courage into, valve courage upper end cap Internal and external cycle is located simultaneously, and valve courage inner ring is lengthened, make spring stability in work better, reduce the vibrations of spool, not only improved spool stability, and reduced noise.
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of spool in Fig. 1;
Fig. 3 is the structural representation of valve casing in Fig. 2;
Fig. 4 is that Fig. 3 is along the cross section plan structure schematic diagram in valve casing middle part;
Fig. 5 is the structural representation of valve courage upper end cap in Fig. 2;
Fig. 6 is the plan structure schematic diagram of Fig. 5;
Fig. 7 be medium in the present invention flow to schematic diagram.
Embodiment
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, a kind of dynamic flow balance valve of the present invention, comprises the spool, the valve gap 7 that are arranged on valve body 1.Spool comprises valve casing 4, valve courage 2, valve courage upper end cap 6, spring 5.Valve casing 4 is cylindrical sleeves structure, on valve casing 4 middle part wall bodies, offer two rectangular through slot 41, and these two rectangular through slot 41 are symmetrical arranged centered by valve casing 4 axis, valve casing 4 tops are provided with step 1, the setting that matches with valve body inner bore of the cylindrical of step 1, the inner circle of step 1 is provided with screw thread 43, and valve casing 4 bottoms are provided with step 2 44, and the cylindrical step surface holding of step 2 44 is on the end face suitable for reading of valve body 1 valve seat orifice.In the middle of valve courage upper end cap 6 comprises, with the cylindrical body 61 of through hole 62, the outer wall of cylindrical body 61 is threaded with the screw thread 43 in step one 42 inner circles.At the bottom of valve courage 2 comprises lower end band, the cylindrical tube 21 of upper end open, the wall body of cylindrical tube 21 is provided with special-shaped curve through hole 22, the opening end outer wall holding of cylindrical tube 21 is in the inner circle of step 2 44.Spring 5 is nested with in the outside of valve casing 4 middle part wall bodies, and spring 5 one end withstand on the lower end surface of valve courage upper end cap 6, and the other end withstands on the upper-end surface of valve courage 2 opening ends.
For further improving performance of the present invention, the lower end surface of cylindrical body 61 offers annular groove 1, the upper-end surface of valve courage 2 opening ends offers annular groove 2 23, and spring 5 one end holdings are in annular groove 1, and spring 5 the other end holdings are in annular groove 2 23.
On the upper-end surface of cylindrical body 61, be provided with rectangle straight groove 64.
Between the end face suitable for reading of the cylindrical step surface of step 2 44 and valve body 1 valve seat orifice, be provided with rectangular seal 3.
Between valve gap 7 and valve body 1, be threaded connection.
A kind of dynamic flow balance valve of the present invention, overall volume is little, good operating stability, noise is little.Meanwhile, its spool and valve body 1, the mode that is fixedly connected with between valve gap 7, makes compact structure of the present invention, for convenience detach, user-friendly, cleans.
Shown in Fig. 7, pipeline medium enters the present invention from right-hand member tapped hole, after mangetic core assembly, from left end tapped hole, go out again, when flowing through mangetic core assembly, fluid has three kinds of working staties: when valve body 1 front and back pressure reduction is less than normal operation pressure reduction, current can not overcome the resistance of spring 5, valve courage 2 transfixions, now the whole side canal of valve courage 2 sides is positioned at the front runner of valve body 1, the area of passage that flows through sliding valve core is maximum, current enter valve casing 4 by the special-shaped curve through hole 22 on valve courage 2 sides simultaneously, again by the rectangular through slot 41 of valve casing 4 sides, flow to the left end tapped hole of valve, when valve body 1 front and back pressure reduction increases in normal operation pressure differential range gradually, the resistance promotion valve courage 2 that current overcome spring 5 moves upward, now spring 5 is compressed, special-shaped curve through hole 22 parts for valve courage 2 sides are positioned at runner, and another part is positioned at the runner at spring 5 places, and the area of passage that flows through valve courage 2 reduces gradually, also there is corresponding variation in flow, so in normal pressure difference operating range, no matter how pressure changes, the flow of output remains unchanged, when valve body 1 front and back pressure reduction is greater than normal operation pressure reduction, valve courage 2 continues to move upward, the special-shaped curve through hole 22 of valve courage 2 sides is positioned at the runner at spring 5 places completely, the area of passage that now flows through valve courage 2 is minimum, current can only flow through by the through hole 24 of valve courage 2 bottom surfaces, area of passage will remain unchanged always, and flow increases along with the increase of pressure reduction.
Above-described embodiment is only for the inventive concept of the present invention of explaining, but not restriction to rights protection of the present invention, allly utilizes this design to carry out the change of unsubstantiality to the present invention, all should fall into protection scope of the present invention.
Claims (6)
1. a dynamic flow balance valve, comprises the spool, the valve gap that are arranged on valve body, it is characterized in that: described spool comprises valve casing, valve courage, valve courage upper end cap, spring; Valve casing is cylindrical sleeves structure, on the wall body of valve casing middle part, offer two rectangular through slot, and these two rectangular through slot are symmetrical arranged centered by valve casing axis, valve casing top is provided with step one, the setting that matches with valve body inner bore of the cylindrical of step one, the inner circle of step one is provided with screw thread, and valve casing bottom is provided with step two, and the cylindrical step surface holding of step two is on the end face suitable for reading in valve body and valve seat hole; In the middle of valve courage upper end cap comprises, with the cylindrical body of through hole, the outer wall of cylindrical body is threaded with the screw thread in step one inner circle; At the bottom of valve courage comprises lower end band, the cylindrical tube of upper end open, the wall body of cylindrical tube is provided with special-shaped curve through hole, in the inner circle of the opening end outer wall holding step two of cylindrical tube; Spring is nested with in the outside of valve casing middle part wall body, and spring one end withstands on the lower end surface of valve courage upper end cap, and the other end withstands on the upper-end surface of valve courage opening end.
2. a kind of dynamic flow balance valve as claimed in claim 1, it is characterized in that: the lower end surface of described cylindrical body offers annular groove one, the upper-end surface of valve courage opening end offers annular groove two, and the holding of spring one end is in annular groove one, and the holding of the spring the other end is in annular groove two.
3. a kind of dynamic flow balance valve as claimed in claim 1 or 2, is characterized in that: on the upper-end surface of described cylindrical body, be provided with rectangle straight groove.
4. a kind of dynamic flow balance valve as claimed in claim 1, is characterized in that: between the cylindrical step surface of described step two and the end face suitable for reading in valve body and valve seat hole, be provided with rectangular seal.
5. a kind of dynamic flow balance valve as claimed in claim 1, is characterized in that: described valve gap is arranged on valve casing top, and between valve gap and valve body, O-ring seals is installed.
6. a kind of dynamic flow balance valve as described in claim 1 or 5, is characterized in that: between described valve gap and valve body, be threaded connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310477377.1A CN103542154B (en) | 2013-10-12 | 2013-10-12 | A kind of dynamic flow balance valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310477377.1A CN103542154B (en) | 2013-10-12 | 2013-10-12 | A kind of dynamic flow balance valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103542154A true CN103542154A (en) | 2014-01-29 |
| CN103542154B CN103542154B (en) | 2015-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310477377.1A Active CN103542154B (en) | 2013-10-12 | 2013-10-12 | A kind of dynamic flow balance valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103542154B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455612A (en) * | 2014-11-12 | 2015-03-25 | 浙江盾安阀门有限公司 | Dynamic flow balancing valve with low vibration |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3965916A (en) * | 1974-12-23 | 1976-06-29 | Chevron Research Company | Apparatus and method for gagging a relief valve within a flue secured to a tank |
| CN201170360Y (en) * | 2008-04-03 | 2008-12-24 | 济南角度科技发展有限公司 | Ultra small flow dynamic flow-balancing valve bladder with inner barrel |
| CN201306487Y (en) * | 2008-11-28 | 2009-09-09 | 欧文托普阀门***(北京)有限公司 | Self-operated dynamic flow balance electric two-way valve |
| CN203549037U (en) * | 2013-10-12 | 2014-04-16 | 浙江盾安阀门有限公司 | Dynamic flow balance valve |
-
2013
- 2013-10-12 CN CN201310477377.1A patent/CN103542154B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3965916A (en) * | 1974-12-23 | 1976-06-29 | Chevron Research Company | Apparatus and method for gagging a relief valve within a flue secured to a tank |
| CN201170360Y (en) * | 2008-04-03 | 2008-12-24 | 济南角度科技发展有限公司 | Ultra small flow dynamic flow-balancing valve bladder with inner barrel |
| CN201306487Y (en) * | 2008-11-28 | 2009-09-09 | 欧文托普阀门***(北京)有限公司 | Self-operated dynamic flow balance electric two-way valve |
| CN203549037U (en) * | 2013-10-12 | 2014-04-16 | 浙江盾安阀门有限公司 | Dynamic flow balance valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455612A (en) * | 2014-11-12 | 2015-03-25 | 浙江盾安阀门有限公司 | Dynamic flow balancing valve with low vibration |
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| Publication number | Publication date |
|---|---|
| CN103542154B (en) | 2015-11-11 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 311800 Zhejiang city in Shaoxing Province town of Zhuji city shop industrial zone Zhejiang Dunan Valve Co. Ltd. Patentee after: ZHEJIANG DUNAN VALVE Co.,Ltd. Address before: 311800 Zhejiang city in Shaoxing Province town of Zhuji city shop industrial zone Zhejiang Dunan Valve Co. Ltd. Patentee before: ZHEJIANG DUNAN VALVE Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 311800, Shaoxing City, Zhejiang province Zhuji Town Industrial Zone Zhejiang shield Valve Co., Ltd. Patentee after: Zhejiang deai Intelligent Control Technology Co.,Ltd. Address before: 311800, Shaoxing City, Zhejiang province Zhuji Town Industrial Zone Zhejiang shield Valve Co., Ltd. Patentee before: ZHEJIANG DUNAN VALVE Co.,Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A dynamic flow balance valve Effective date of registration: 20211220 Granted publication date: 20151111 Pledgee: Diankou sub branch of Zhejiang Zhuji Rural Commercial Bank Co.,Ltd. Pledgor: Zhejiang deai Intelligent Control Technology Co.,Ltd. Registration number: Y2021980015397 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230724 Granted publication date: 20151111 Pledgee: Diankou sub branch of Zhejiang Zhuji Rural Commercial Bank Co.,Ltd. Pledgor: Zhejiang deai Intelligent Control Technology Co.,Ltd. Registration number: Y2021980015397 |