CN106931198B - Mechanical automatic pressure reducing and stabilizing valve - Google Patents
Mechanical automatic pressure reducing and stabilizing valve Download PDFInfo
- Publication number
- CN106931198B CN106931198B CN201710118462.7A CN201710118462A CN106931198B CN 106931198 B CN106931198 B CN 106931198B CN 201710118462 A CN201710118462 A CN 201710118462A CN 106931198 B CN106931198 B CN 106931198B
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- CN
- China
- Prior art keywords
- pressure
- spring
- valve
- support frame
- fixing block
- 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.)
- Expired - Fee Related
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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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/0413—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded in the form of closure plates
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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
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/164—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side and remaining closed after return of the normal pressure
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
the invention discloses a mechanical automatic pressure reducing and stabilizing valve, which comprises a water inlet, a control mechanism and a water outlet, wherein the control mechanism comprises a valve cover, a fixed block and a pressure spring mechanism, the outer side of the valve cover is connected with the water outlet, the inner side of the valve cover is connected with the pressure spring mechanism through the fixed block welded on the valve cover, the pressure spring mechanism comprises a safety pad, a spring, a support frame and a nut, the safety pad is connected with the fixed block through the spring, the spring is arranged in the support frame, the support frame is arranged on the fixed block, the support frame and the nut form a pressure regulating device, the pressure spring mechanism is arranged in the valve cover, one end of the valve cover is fixed with the valve cover through a screw hole, the other end of the valve cover is provided with the water outlet, the pressure of, and the pressure reduction or the pressure stabilization output of the pipeline is realized according to the adjusting control mechanism. The invention has wide application range, does not need a power supply as power and is simple and reliable.
Description
The technical field is as follows:
The invention relates to an automatic pressure reducing and stabilizing valve, in particular to a mechanical automatic pressure reducing and stabilizing valve.
Background art:
In the liquid pipeline of carrying, the trunk road's pressure of bearing is higher, and branch pipeline bearing pressure is less, divides the pipeline to still bear the dead weight pressure of liquid some, because the dead weight pressure of water causes terminal branch pipeline pressure too high in some time, causes the pipeline to run and leaks the phenomenon, causes the waste, and wastes time and energy during the maintenance, increases the engineering input of earlier stage.
the invention content is as follows:
The technical problem to be solved by the invention is as follows: overcomes the defects of the prior art, and provides a mechanical automatic pressure reducing and stabilizing valve which can stably convey liquid.
The technical scheme adopted by the invention for solving the technical problem is as follows:
A mechanical automatic pressure-reducing and stabilizing valve comprises a water inlet, a control mechanism and a water outlet, wherein the water inlet is connected with the water outlet through the control mechanism, the control mechanism comprises a valve cover, a valve sleeve, a fixing block and a pressure spring mechanism, the outer side of the valve cover is connected with the water outlet, the inner side of the valve cover is connected with the pressure spring mechanism through the fixing block welded on the valve cover, the pressure spring mechanism comprises a safety pad, a spring, a support frame and a nut, the safety pad is connected with the fixing block through the spring, the spring is arranged in the support frame, the support frame is arranged on the fixing block, the support frame and the nut form a pressure-regulating device, the pressure spring mechanism is arranged in the valve sleeve, one end of the valve sleeve is fixed with the valve cover through a screw hole, the other end of the valve sleeve is provided with the water outlet, and the pressure reduction or the pressure stabilization output of the pipeline is realized according to the adjusting control mechanism.
The fixed block includes first fixed block, second fixed block and third fixed block, first fixed block, second fixed block and third fixed block link together through the support frame above that, be provided with the nut on the support frame on the third fixed block, be provided with the pressure release hole on the first fixed block, be provided with the connecting hole on the second fixed block, spring one end is fixed third fixed block one side, the other end pass through behind the connecting hole with the safety pad is connected, the safety pad utilizes the pressure setting of spring is on the pressure release hole.
The inner diameter size of valve barrel with the external diameter size phase-match of pressure spring mechanism, the water inlet with the fixed block is link up, when water inlet pressure is less than the setting value of spring pressure, the safety pad under the effect of spring pressure with pressure release hole on the first fixed block is closed, and when water inlet pressure was higher than the setting value of spring pressure, after certain inlet pressure was offset to spring pressure, messenger pressure release hole on the first fixed block was in open state.
The support frame comprises four support rods with threads, the screw holes comprise first screw holes and second screw holes, first screw holes are formed in the valve cover, the lower end of the valve sleeve is provided with the second screw holes, and the first screw holes and the second screw holes are fixed together through screws.
The liquid pressure of the water inlet is high, the liquid pressure of the water outlet can be reduced by 10% -90% through the pressure reduction of the control mechanism, the pressure of the water outlet can fluctuate along with the pressure of the water inlet, and overpressure liquid in the pipeline can be discharged from the water outlet according to the opening and closing of the safety pad and the pressure relief hole in the control mechanism, so that the pressure stabilization of the pipeline is achieved.
the invention has the following positive beneficial effects:
1. the invention can be used as a pressure reducing valve, and the invention is arranged at a proper position of the pipeline, when the pressure of the water inlet is higher, the invention can reduce the water inlet pressure of the pipeline by 10-90 percent, can well reduce partial pressure, and the pressure of the water outlet can fluctuate along with the pressure of the water inlet; the safety pad can be used as a pressure stabilizing valve, the safety pad is arranged at a proper position of the pipeline, if the pressure of the pipeline exceeds a certain set value, the safety pad is forced to be separated from the first fixed block, and overpressure liquid is discharged through the water outlet, so that the normal pressure of the pipeline is ensured.
2. the pressure regulating device can preset the bearing pressure value of the pipeline, is convenient to regulate and has a large regulating control range; in addition, the invention has wide application range, does not need a power supply as power, is suitable for liquid conveyed by a pipeline, and is particularly suitable for pressure control of a dustproof pipeline under a coal mine.
description of the drawings:
FIG. 1 is a schematic view of the mechanical automatic pressure reducing and stabilizing valve;
Fig. 2 is a schematic connection diagram of the internal structure of fig. 1.
The specific implementation mode is as follows:
the invention will be further explained and explained with reference to the drawings and the specific embodiments:
Referring to fig. 1 and 2: in the figure, 1-a water inlet, 2-a water outlet, 3-a valve cover, 4-a valve sleeve, 5-a first fixing block, 6-a second fixing block, 7-a third fixing block, 8-a safety pad, 9-a support frame, 10-a spring, 11-a pressure relief hole, 12-a connecting hole, 13-a nut, 14-a first screw hole and 15-a second screw hole.
Example (b): a mechanical automatic pressure reducing and stabilizing valve comprises a water inlet 1, a control mechanism and a water outlet 2, wherein the water inlet 1 is connected with the water outlet 2 through the control mechanism, the control mechanism comprises a valve cover 3 and a valve sleeve 4, fixed block and pressure spring mechanism, the outside and the delivery port 2 of valve gap 3 are connected, the inboard of valve gap 3 is connected with pressure spring mechanism through welded fixed block on it, pressure spring mechanism includes safety pad 8, spring 10, support frame 9 and nut 13, safety pad 8 passes through spring 10 and is connected with the fixed block, spring 10 sets up in support frame 9, support frame 9 sets up on the fixed block, pressure regulating device is constituteed with nut 13 to support frame 9, pressure spring mechanism sets up in valve barrel 4, 4 one ends of valve barrel are passed through the screw and are fixed together with valve gap 3, the other end is provided with delivery port 2, the pressure of delivery port 2 can be according to actual need, according to the step-down or the steady voltage output of regulation control mechanism realization pipeline.
The fixed block includes first fixed block 5, second fixed block 6 and third fixed block 7, first fixed block 5, second fixed block 6 and third fixed block 7 link together through support frame 9 on it, be provided with nut 13 on the support frame 9 on the third fixed block 7, be provided with pressure release hole 11 on the first fixed block 5, be provided with connecting hole 12 on the second fixed block 6, spring 10 one end is fixed in third fixed block 7 one side, the other end passes through behind the connecting hole 12 and is connected with safety pad 8, safety pad 8 utilizes spring 10's pressure setting on pressure release hole 11.
The inner diameter size of valve barrel 4 and the external diameter size phase-match of pressure spring mechanism, water inlet 1 and fixed block are link up, and when 1 pressure in water inlet was less than the setting value of spring 10 pressure, safety pad 8 was closed with pressure release hole 11 on the first fixed block 5 under the effect of spring 10 pressure, and when 1 pressure in water inlet was higher than the setting value of spring 10 pressure, spring 10 pressure offset certain pressure of intaking after, made pressure release hole 11 on the first fixed block 5 be in open state.
The support frame 9 comprises four support rods with threads, the screw holes comprise first screw holes 14 and second screw holes 15, the valve cover 3 is provided with the first screw holes 14, the lower end of the valve sleeve 4 is provided with the second screw holes 15, and the first screw holes 14 and the second screw holes 15 are fixed together through screws.
The liquid pressure of the water inlet 1 is high, the liquid pressure of the water outlet 2 can be reduced by 10% -90% through the pressure reduction of the control mechanism, the pressure of the water outlet 2 can fluctuate along with the pressure of the water inlet, and overpressure liquid in the pipeline can be discharged from the water outlet 2 according to the opening and closing of the safety pad 8 and the pressure relief hole 11 in the control mechanism, so that the pressure stabilization of the pipeline is achieved.
When the pipeline pressure-stabilizing device works, a mechanical automatic pressure-reducing and pressure-stabilizing valve is installed at a proper position of a pipeline, when the pipeline pressure reaches a certain set pressure, the pipeline pressure presses the safety pad 8 through the water inlet 1 to move downwards, the spring 10 contracts, the pressure-releasing hole 11 is opened to release pressure, when the pressure at the end of the water inlet 1 is lower than the set pressure value, the spring 10 rebounds, the safety pad 8 moves upwards and is completely closed with the pressure-releasing hole 11 to complete the pressure-stabilizing effect, the pressure of the tail end pipeline is controlled within the pressure bearing range of the pipeline, and the pressure of liquid in the pipeline meets the use requirement.
the above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications, equivalent variations and modifications made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (5)
1. The utility model provides an automatic pressure stabilizing valve that reduces pressure of mechanical type, includes water inlet, control mechanism and delivery port, characterized by: the water inlet is connected with the water outlet through the control mechanism, the control mechanism comprises a valve cover, a valve sleeve, a fixing block and a pressure spring mechanism, the outer side of the valve cover is connected with the water outlet, the inner side of the valve cover is connected with the pressure spring mechanism through the fixing block welded on the valve cover, the pressure spring mechanism comprises a safety pad, a spring, a support frame and a nut, the safety pad is connected with the fixing block through the spring, the spring is arranged in the support frame, the support frame is arranged on the fixing block, the support frame and the nut form a pressure regulating device, the pressure spring mechanism is arranged in the valve sleeve, one end of the valve sleeve is fixed with the valve cover through a screw hole, the other end of the valve sleeve is provided with the water outlet, the pressure of the water outlet can be output in a pressure reducing or pressure stabilizing mode according to, the fixed blocks include a first fixed block, a second fixed block, and a third fixed block.
2. the mechanical automatic pressure reducing and stabilizing valve as claimed in claim 1, wherein: the safety pad is characterized in that the first fixing block, the second fixing block and the third fixing block are connected together through a support frame on the first fixing block, a nut is arranged on the support frame on the third fixing block, a pressure relief hole is formed in the first fixing block, a connecting hole is formed in the second fixing block, one end of the spring is fixed to one side of the third fixing block, the other end of the spring is connected with the safety pad after passing through the connecting hole, and the safety pad utilizes the pressure of the spring to be arranged on the pressure relief hole.
3. The mechanical automatic pressure reducing and stabilizing valve as claimed in claim 1, wherein: the inner diameter size of valve barrel with the external diameter size phase-match of pressure spring mechanism, the water inlet with the fixed block is link up, when water inlet pressure is less than the setting value of spring pressure, the safety pad under the effect of spring pressure with pressure release hole on the first fixed block is closed, and when water inlet pressure was higher than the setting value of spring pressure, after certain inlet pressure was offset to spring pressure, messenger pressure release hole on the first fixed block was in open state.
4. The mechanical automatic pressure reducing and stabilizing valve as claimed in claim 1, wherein: the support frame comprises four support rods with threads, the screw holes comprise first screw holes and second screw holes, first screw holes are formed in the valve cover, the lower end of the valve sleeve is provided with the second screw holes, and the first screw holes and the second screw holes are fixed together through screws.
5. The mechanical automatic pressure reducing and stabilizing valve as claimed in claim 1, wherein: the liquid pressure of the water inlet is high, the liquid pressure of the water outlet can be reduced by 10% -90% through the pressure reduction of the control mechanism, the pressure of the water outlet can fluctuate along with the pressure of the water inlet, and overpressure liquid in the pipeline can be discharged from the water outlet according to the opening and closing of the safety pad and the pressure relief hole in the control mechanism, so that the pressure stabilization of the pipeline is achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710118462.7A CN106931198B (en) | 2017-03-01 | 2017-03-01 | Mechanical automatic pressure reducing and stabilizing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710118462.7A CN106931198B (en) | 2017-03-01 | 2017-03-01 | Mechanical automatic pressure reducing and stabilizing valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106931198A CN106931198A (en) | 2017-07-07 |
| CN106931198B true CN106931198B (en) | 2019-12-13 |
Family
ID=59423567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710118462.7A Expired - Fee Related CN106931198B (en) | 2017-03-01 | 2017-03-01 | Mechanical automatic pressure reducing and stabilizing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106931198B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102297279A (en) * | 2011-08-04 | 2011-12-28 | 李耀强 | Constant pressure current regulator |
| CN106438542A (en) * | 2016-10-10 | 2017-02-22 | 合肥协力液压科技有限公司 | Pressure release valve |
| CN106439132A (en) * | 2015-05-18 | 2017-02-22 | 南安市丽迪家居用品有限公司 | Water pipe connector |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8171954B2 (en) * | 2008-09-23 | 2012-05-08 | E. I. Du Pont De Nemours And Company | Reclosable vacuum-tight pressure-relief device having a deformable seal member |
-
2017
- 2017-03-01 CN CN201710118462.7A patent/CN106931198B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102297279A (en) * | 2011-08-04 | 2011-12-28 | 李耀强 | Constant pressure current regulator |
| CN106439132A (en) * | 2015-05-18 | 2017-02-22 | 南安市丽迪家居用品有限公司 | Water pipe connector |
| CN106438542A (en) * | 2016-10-10 | 2017-02-22 | 合肥协力液压科技有限公司 | Pressure release valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106931198A (en) | 2017-07-07 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191213 Termination date: 20210301 |
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| CF01 | Termination of patent right due to non-payment of annual fee |