CN103994252A - Valve - Google Patents
Valve Download PDFInfo
- Publication number
- CN103994252A CN103994252A CN201410186327.2A CN201410186327A CN103994252A CN 103994252 A CN103994252 A CN 103994252A CN 201410186327 A CN201410186327 A CN 201410186327A CN 103994252 A CN103994252 A CN 103994252A
- Authority
- CN
- China
- Prior art keywords
- spool
- valve body
- valve
- support frame
- fastened
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
- F16K7/10—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with inflatable member
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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
- F16K27/00—Construction of housing; Use of materials therefor
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/126—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
Abstract
The invention relates to a valve which comprises a valve body, supporting frames, a valve element, a left connecting fastener, a right connecting fastener and a pressure adjusting pipe. Connecting openings are formed in the middles of the supporting frames, and the two ends of the supporting frames are fixedly connected with the valve body. The valve element is contained in the valve body and is a flexible valve element, the appearance of the valve element is a curve, and a connecting portion is fixedly connected to the connecting openings of the supporting frames. The left connecting fastener is fastened on the connecting opening of the left supporting frame, and therefore the valve element is fastened on the valve body and the supporting frames, and a connecting hole is formed in the left connecting fastener and is communicated with a through hole of the valve element. The right connecting fastener is fastened on the connecting opening of the right supporting frame so as to fasten the valve element on the valve body and the supporting frames. One end of the pressure adjusting pipe is communicated with the through hole of the valve element, and when the pressure adjusting pipe is used for changing pressure in the valve element, the appearance of the valve element changes smoothly so as to adjust flow of media flowing through the valve body. According to the valve, due to the fact that the appearance of the valve element is the smooth curve, the appearance can be changed continuously, smoothly and evenly in the pressure adjusting process, and therefore cavitation can be effectively avoided.
Description
Technical field
The present invention relates to a kind of valve, relate in particular to the elastomeric valves of a seed capsules formula.
Background technique
Valve is the important control gear of fluid circuit.Its fundamental function merit is the circulation that switches on or off pipeline medium, regulates the flow direction, pressure and the flow of medium, the normal operation of protection pipeline and equipment.
The no matter any type Main Function of existing valve is the flow that regulates medium.In actual applying working condition, in the time that flowing medium (as: water) flows to the throttling of spool from valve inlet, because so the sectional area of the throttling place flow velocity that diminishes sharply increases, static energy is sharply converted into kinetic energy, pressure sharply declines, in the time that pressure is reduced to vapor pressure, water can gasify, produce bubble, bubble with water flow after spool, flow velocity falling pressure recovers, in the time that pressure returns to the saturation vapour pressure that is greater than medium, the steam of gasification reverts to again liquid condition, and the bubble that when gasification produces can break and discharges huge energy and cause the noise of valve, the damage of vibration and valve part, be referred to as cavitation erosion.
When existing valve regulated, because the profile variation at spool place is large, and profile is irregular, thereby causes velocity variations to be easy to very greatly cavitate.And cavitation erosion can reduce the working life of valve greatly, increase maintenance cost.
Summary of the invention
The object of the invention is the defect for prior art, a kind of valve is provided, utilize spool profile continuously, smoothly, change uniformly, realize the generation that reduces cavitation erosion, increase working life of valve, reduce maintenance cost.
For achieving the above object, the invention provides a kind of valve, described valve comprises:
Valve body;
Supporting frame, has connection mouth in the middle of support frame as described above, comprises left support and right support frame, is fixed in described valve body both sides;
Spool, is contained in described valve body, and described spool is flexible spool, and profile is curve, and described spool has through hole and joint, and described joint is fixed on the connection mouth of support frame as described above;
Left connection fastening piece, is fastened on the connection mouth of described left support frame, described valve body is supported, thereby described spool is fastened on described valve body and supporting frame, and described left connection fastening piece has attachment hole, is conducted with the through hole of described spool;
Right connection fastening piece, is fastened on the connection mouth of described right support frame, described valve body is supported, thereby described spool is fastened on described valve body and supporting frame;
Pressure regulation tube, one end of described pressure regulation tube and the through hole of described spool are conducted, and in the time utilizing described pressure regulation tube to change the pressure in described spool, thereby the profile smooth change of described spool regulates by the flow of the medium of valve body.
Further, the joint of described spool utilizes pin to be fixed on the connection mouth of described left support frame and the connection mouth of described right support frame.
Further, described left connection fastening piece spiral shell is established on the connection mouth that is fastened on described left support frame, and described valve body and pin are supported.
Further, described right connection fastening piece spiral shell is established on the connection mouth that is fastened on described right support frame, and described valve body and pin are supported.
Further, one end of described pressure regulation tube utilizes the first link to be connected on described left connection fastening piece, utilizes attachment hole on described left connection fastening piece and the through hole of described spool to be conducted.
Further, described pressure regulation tube is connected with described the first link by locking ring.
Further, described valve body has flange.
Further, the other end of described pressure regulation tube utilizes the second link to be connected on described valve body, regulates the pressure of described pressure regulation tube by described the second link.
Valve of the present invention is because spool profile is smoothed curve, and in the time that pressure regulates, profile can change continuously, smoothly and uniformly, therefore can effectively avoid the generation of cavitation phenomenon.
Brief description of the drawings
Fig. 1 is the sectional view of valve of the present invention;
Fig. 2 is one of partial schematic diagram of valve of the present invention;
Fig. 3 be valve of the present invention partial schematic diagram two;
Fig. 4 is the spool schematic diagram of valve of the present invention;
Fig. 5 is one of schematic diagram of valve of the present invention;
Fig. 6 be valve of the present invention schematic diagram two.
Embodiment
Below by drawings and Examples, technological scheme of the present invention is described in further detail.
Valve of the present invention is a kind of bag valve, because spool profile variation is well-balanced, can effectively reduce the generation of cavitation erosion.
Fig. 1 is the sectional view of valve of the present invention, Fig. 2 and Fig. 3 are two partial schematic diagrams of valve of the present invention, as shown in the figure, valve of the present invention comprises: valve body 10, left support frame 111, right support frame 112, spool 12, left connection fastening piece 13, right connection fastening piece 14, pressure regulation tube 15, pin 20, the first link 21.
The both ends open of valve body 10, and there is adpting flange 22.Left support frame 111 and right support frame 112 are fixed in valve body 10 inner sides, and concrete consolidation method can be welding, and the centre of left support frame 111 and right support frame 112 has respectively connection mouth 23;
Spool 12 is contained in the inside of valve body 10, spool 12 is flexible spool, and profile is smoothed curve, described spool both sides have through hole 24 and joint 25, can utilize pin 20 joint 25 to be fixed on the connection mouth of left support frame 111 and right support frame 112 to 23, certainly be not limited to utilize pin 20 to connect.
Left connection fastening piece 13 is arranged on the connection mouth 23 of left support frame 111, certain left connection fastening piece 13 also can utilize other modes to be fastened on the connection mouth 23 of left support frame 111, joint 25 is pressed between left connection fastening piece 13 and the connection mouth 23 of left support frame 111, thereby spool 12 is fastened on valve body 10 and left support frame 111, pin 20 plays auxiliary positioning effect, left connection fastening piece 13 has attachment hole 26, is conducted with the through hole 24 of spool 12.
Concrete, left connection fastening piece 13 has internal thread, is arranged on the connection mouth 23 of left support frame 111 by internal thread.
Right connection fastening piece 14 is arranged on the connection mouth 23 of right support frame 112, certain right connection fastening piece 14 also can utilize other modes to be fastened on the connection mouth 23 of right support frame 112, joint 25 is pressed between right connection fastening piece 14 and the connection mouth 23 of right support frame 112, thereby spool 12 is fastened on valve body 10 and right support frame 112, and pin 20 plays auxiliary positioning effect.
Concrete, right connection fastening piece 14 has internal thread, is arranged on the connection mouth 23 of right support frame 112 by internal thread.
The through hole 24 of one end of pressure regulation tube 15 and spool 12 is conducted.Concrete, one end of pressure regulation tube 15 utilizes the first link to connect 21 and is connected on left connection fastening piece 13, utilize the attachment hole 26 on left connection fastening piece 13 to be conducted with the through hole 24 of spool 12, in the time utilizing pressure regulation tube 15 to change the pressure in spool 12, thereby the profile smooth change of spool 12 regulates by the flow of the medium of valve body 10.
Concrete, pressure regulation tube 15 is connected with the first link 21 by locking ring, the other end of pressure regulation tube 15 utilizes the second link 27 to be connected on valve body 10, regulate the pressure of pressure regulation tube 15 by the second link 27, and the other end of pressure regulation tube 15 is also connected with the second link 27 by locking ring.
Further, in the time utilizing pressure regulation tube 15 to increase pressure for spool 12, when the pressure in spool 12 is greater than the pressure of pipeline medium in valve body 10, spool 12 expands, valve in turning down state until close; In the time utilizing pressure regulation tube 15 to reduce pressure for spool 12, when the pressure in spool 12 is less than the pressure of pipeline medium in valve body 10, spool 12 is in deflated state, and valve is in opening large state.Thereby realize the adjusting of valve opening.
Fig. 4 is the spool schematic diagram of valve of the present invention, and spool 12 is flexible material, and profile is smoothed curve, and in the time that pressure regulates, profile can continuously smooth and changed uniformly.
Fig. 5 is one of schematic diagram of valve of the present invention, valve in figure is full open position, in the time need to regulating the rate-of flow in valve or pressure, utilize the second link 27 to regulate the pressure of pressure regulation tube 15, for example, from the second link 27 filling liquids, liquid enters the inner chamber of spool 12 by pressure regulation tube 15 and the first link 21, spool 12 internal pressures raise, spool 12 expands, change the flow in valve, in the time that the piping flow of valve body 10 reaches desired value (example is state as shown in Figure 1), stop to the interior filling liquid of spool 12.As valve closed make pipeline in complete closed state completely, continue to spool 12 filling liquids, until reach the state that valve is as shown in Figure 6 closed completely.
If make liquid discharges from pressure regulation tube 15, spool 12 is compressed, when reaching while needing flow value, stop discharge opeing (example is state as shown in Figure 1), if make liquid continue to discharge from pressure regulation tube 15, spool 12 continues compressed, until reach full open position as shown in Figure 5, and by the aperture of said process regulating valve.
Because spool profile is smoothed curve, in the time that pressure regulates, profile can change continuously, smoothly and uniformly, therefore can effectively avoid the generation of cavitation phenomenon, has greatly reduced the energy loss of MEDIA FLOW in the time of valve simultaneously.Also can realize connection, regulate and cut off the circulation of pipeline medium.There is advantages such as making simple, practical, reduction maintenance cost.
Above-described embodiment; object of the present invention, technological scheme and beneficial effect are further described; institute is understood that; the foregoing is only the specific embodiment of the present invention; the protection domain being not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. a valve, is characterized in that, described valve comprises:
Valve body;
Supporting frame, has connection mouth in the middle of support frame as described above, comprises left support and right support frame, is fixed in described valve body both sides;
Spool, is contained in described valve body, and described spool is flexible spool, and profile is curve, and described spool has through hole and joint, and described joint is fixed on the connection mouth of support frame as described above;
Left connection fastening piece, is fastened on the connection mouth of described left support frame, described valve body is supported, thereby described spool is fastened on described valve body and supporting frame, and described left connection fastening piece has attachment hole, is conducted with the through hole of described spool;
Right connection fastening piece, is fastened on the connection mouth of described right support frame, described valve body is supported, thereby described spool is fastened on described valve body and supporting frame;
Pressure regulation tube, one end of described pressure regulation tube and the through hole of described spool are conducted, and in the time utilizing described pressure regulation tube to change the pressure in described spool, thereby the profile smooth change of described spool regulates by the flow of the medium of valve body.
2. valve according to claim 1, is characterized in that, the joint of described spool utilizes pin to be fixed on the connection mouth of described left support frame and the connection mouth of described right support frame.
3. valve according to claim 2, is characterized in that, described left connection fastening piece spiral shell is established on the connection mouth that is fastened on described left support frame, and described valve body and pin are supported.
4. valve according to claim 2, is characterized in that, described right connection fastening piece spiral shell is established on the connection mouth that is fastened on described right support frame, and described valve body and pin are supported.
5. valve according to claim 1, is characterized in that, one end of described pressure regulation tube utilizes the first link to be connected on described left connection fastening piece, utilizes attachment hole on described left connection fastening piece and the through hole of described spool to be conducted.
6. valve according to claim 1, is characterized in that, described pressure regulation tube is connected with described the first link by locking ring.
7. valve according to claim 1, is characterized in that, described valve body has flange.
8. valve according to claim 1, is characterized in that, the other end of described pressure regulation tube utilizes the second link to be connected on described valve body, regulates the pressure of described pressure regulation tube by described the second link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410186327.2A CN103994252A (en) | 2014-05-05 | 2014-05-05 | Valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410186327.2A CN103994252A (en) | 2014-05-05 | 2014-05-05 | Valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103994252A true CN103994252A (en) | 2014-08-20 |
Family
ID=51308506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410186327.2A Pending CN103994252A (en) | 2014-05-05 | 2014-05-05 | Valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103994252A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930216A (en) * | 2015-06-15 | 2015-09-23 | 李华良 | Double-control cone valve |
| FR3052842A1 (en) * | 2016-06-16 | 2017-12-22 | Technip France | FAST PIPE FASTER MODULE, DRIVING, INSTALLATION AND METHOD THEREOF |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08320075A (en) * | 1995-05-25 | 1996-12-03 | Kubota Corp | Shut-off valve |
| CN1281957A (en) * | 1999-07-21 | 2001-01-31 | 马锡洪 | Charging valve |
| CN1842672A (en) * | 2003-06-20 | 2006-10-04 | 普拉德研究及发展公司 | A sealing device for temporarily closing a well or a pipe |
| EP1790890A1 (en) * | 2005-11-25 | 2007-05-30 | Dietrich Ranner | Device for opening and closing a pipe and its use |
| EP2368062B1 (en) * | 2008-12-02 | 2012-06-27 | Technische Universität Ilmenau | Thermally controlled expansion valve and arrangement comprising the same |
| CN203823143U (en) * | 2014-05-05 | 2014-09-10 | 威乐(中国)水泵系统有限公司 | Valve |
-
2014
- 2014-05-05 CN CN201410186327.2A patent/CN103994252A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08320075A (en) * | 1995-05-25 | 1996-12-03 | Kubota Corp | Shut-off valve |
| CN1281957A (en) * | 1999-07-21 | 2001-01-31 | 马锡洪 | Charging valve |
| CN1842672A (en) * | 2003-06-20 | 2006-10-04 | 普拉德研究及发展公司 | A sealing device for temporarily closing a well or a pipe |
| EP1790890A1 (en) * | 2005-11-25 | 2007-05-30 | Dietrich Ranner | Device for opening and closing a pipe and its use |
| EP2368062B1 (en) * | 2008-12-02 | 2012-06-27 | Technische Universität Ilmenau | Thermally controlled expansion valve and arrangement comprising the same |
| CN203823143U (en) * | 2014-05-05 | 2014-09-10 | 威乐(中国)水泵系统有限公司 | Valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930216A (en) * | 2015-06-15 | 2015-09-23 | 李华良 | Double-control cone valve |
| FR3052842A1 (en) * | 2016-06-16 | 2017-12-22 | Technip France | FAST PIPE FASTER MODULE, DRIVING, INSTALLATION AND METHOD THEREOF |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140820 |