CN219671504U - Pressure reducing and stabilizing device for water supply system - Google Patents
Pressure reducing and stabilizing device for water supply system Download PDFInfo
- Publication number
- CN219671504U CN219671504U CN202223015944.5U CN202223015944U CN219671504U CN 219671504 U CN219671504 U CN 219671504U CN 202223015944 U CN202223015944 U CN 202223015944U CN 219671504 U CN219671504 U CN 219671504U
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- water
- pilot valve
- pressure
- water inlet
- valve
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 115
- 230000000087 stabilizing effect Effects 0.000 title claims abstract description 21
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000006837 decompression Effects 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
Abstract
The utility model relates to the technical field of water supply systems, and discloses a pressure reducing and stabilizing device for a water supply system, which comprises a device main body, an adjusting pilot valve and a valve plate, wherein a water inlet and a water outlet are respectively arranged at two ends of the device main body, a water inlet cavity communicated with the water inlet and a control cavity communicated with the water outlet are arranged in the device main body, the water inlet cavity is communicated with the control cavity through an adjusting hole, the adjusting pilot valve and the valve plate are both arranged in the control cavity, and the adjusting pilot valve controls the valve plate to open or close the adjusting hole. The pressure reducing and stabilizing device for the water supply system provided by the utility model realizes that the pressure of the water outlet can be set in reality by utilizing the pilot valve for self-control, does not need other devices or energy sources, and has the advantages of simple maintenance, high pressure control accuracy, small influence on the pressure and flow of the water inlet and reliable pressure reducing and stabilizing. The utility model has simple operation and good use effect, and is easy to popularize and use.
Description
Technical Field
The utility model relates to the technical field of water supply systems, in particular to a pressure reducing and stabilizing device for a water supply system.
Background
At present, in living water supply, fire water supply and other industrial water supply systems, the outlet pressure is often changed due to the change of the inlet pressure and the inlet flow, the outlet pressure cannot be maintained at a set value, and the pressure cannot be reduced when the outlet pressure is large. Although some decompression and pressure stabilizing devices exist at present, the devices all need to consume energy, are complex to maintain and have unsatisfactory decompression and pressure stabilizing effects.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the pressure reducing and stabilizing device for the water supply system, which is self-controlled by utilizing the pilot valve, does not need other devices and energy sources, is simple and convenient to maintain, has high pressure control accuracy, is little influenced by the pressure and flow of a water inlet, and is reliable in pressure reducing and stabilizing.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a water supply system is with decompression pressure stabilizing device, includes the device main part, adjusts pilot valve and valve plate, the both ends of device main part are equipped with water inlet and delivery port respectively, the inside of device main part be equipped with the intake chamber of water inlet intercommunication and with the control chamber of delivery port intercommunication, the intake chamber with the control chamber is linked together through the regulation hole, adjust pilot valve with the valve plate all sets up in the control chamber, just adjust pilot valve control the valve plate is opened or is closed the regulation hole.
Preferably, the adjusting pilot valve comprises a pilot valve spring, and the lower end of the pilot valve spring is connected with the upper end of the valve plate.
Preferably, the guide rod is inserted into the pilot valve spring and the valve plate, the upper end of the guide rod is connected with the inner wall of the upper end of the control cavity, and the lower end of the guide rod extends into the water inlet cavity.
Preferably, a guide ring which is concentrically arranged with the adjusting hole is arranged in the water inlet cavity, the guide ring is connected with the inner wall of the water inlet cavity through a connecting rod, and the lower end of the guide rod is inserted into the guide ring.
Preferably, the device comprises a first pipeline connected with the water inlet end of the device main body, and a first valve and a first pressure gauge are arranged on the first pipeline along the water flow direction.
Preferably, the device comprises a second pipeline connected with the water outlet end of the device main body, and a second valve and a second pressure gauge are arranged on the second pipeline along the water flow direction.
Preferably, a filter is arranged on the second pipeline between the second valve and the device main body.
Compared with the prior art, the pressure reducing and stabilizing device for the water supply system has the beneficial effects that: the valve plate is controlled to open or close the adjusting hole by the adjusting pilot valve, when the device supplies water from the water inlet, the water enters the control cavity through the adjusting hole and acts on the adjusting pilot valve, when the pressure of the water outlet is higher than the set value of the adjusting pilot valve, the pilot valve drives the valve plate to close the adjusting hole, the water in the control cavity is not fed any more, and the pressure of the water outlet is not increased any more; when the pressure of the water outlet is reduced to the set pressure of the regulating pilot valve, the regulating pilot valve is opened, and the control cavity discharges water to the water outlet; when the water inlet and the water outlet of the control cavity are the same in a stable state, the opening of the regulating hole is unchanged, and the pressure of the water outlet is stable. Therefore, the pressure of the water outlet can be set in reality by utilizing the pilot valve for self-force control, other devices and energy sources are not needed, the maintenance is simple and convenient, the accuracy of pressure control is high, the influence of the pressure and the flow of the water inlet is small, and the pressure reduction and the pressure stabilization are reliable. The utility model has simple operation and good use effect, and is easy to popularize and use.
Drawings
Fig. 1 is a schematic structural view of a pneumatic flat valve driving and monitoring device of the present utility model.
Wherein: the device comprises a device body, a 2-pilot valve spring, a 3-valve plate, a 4-water inlet, a 5-water outlet, a 6-water inlet cavity, a 7-control cavity, an 8-adjusting hole, a 9-guide rod, a 10-guide ring, an 11-first pipeline, a 12-first valve, a 13-first pressure gauge, a 14-second pipeline, a 15-second valve, a 16-second pressure gauge and a 17-filter.
Detailed Description
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
As shown in fig. 1, a pressure reducing and stabilizing device for a water supply system according to a preferred embodiment of the present utility model includes a device main body 1, an adjusting pilot valve and a valve plate 3, wherein two ends of the device main body 1 are respectively provided with a water inlet 4 and a water outlet 5, a water inlet cavity 6 communicated with the water inlet 4 and a control cavity 7 communicated with the water outlet 5 are provided in the device main body 1, the water inlet cavity 6 is communicated with the control cavity 7 through an adjusting hole 8, the adjusting pilot valve and the valve plate 3 are both disposed in the control cavity 7, and the adjusting pilot valve controls the valve plate 3 to open or close the adjusting hole 8.
According to the pressure reducing and stabilizing device for the water supply system based on the technical characteristics, the adjusting pilot valve is arranged to control the valve plate 3 to open or close the adjusting hole 8, when water is supplied from the water inlet 4, the water enters the control cavity 7 through the adjusting hole 8 and acts on the adjusting pilot valve, when the pressure of the water outlet 5 is higher than the set value of the adjusting pilot valve, the pilot valve drives the valve plate 3 to close the adjusting hole 8, water does not enter the control cavity 7 any more, and the pressure of the water outlet is not increased any more; when the pressure of the water outlet is reduced to the set pressure of the regulating pilot valve, the regulating pilot valve is opened, and the control cavity 7 drains water to the water outlet 5; when the water inlet and the water outlet of the control cavity 7 are the same in a stable state, the opening of the regulating hole 8 is unchanged, and the pressure of the water outlet is stable. Therefore, the pressure of the water outlet can be set in reality by utilizing the pilot valve for self-force control, other devices and energy sources are not needed, the maintenance is simple and convenient, the accuracy of pressure control is high, the influence of the pressure and the flow of the water inlet 4 is small, and the pressure reduction and the pressure stabilization are reliable. The utility model has simple operation and good use effect, and is easy to popularize and use.
In this embodiment, the adjusting pilot valve comprises a pilot valve spring 2, and the lower end of the pilot valve spring 2 is connected with the upper end of the valve plate 3. When the pressure in the control cavity 7 is larger, the water pressure in the control cavity 7 can squeeze the valve plate 3 to close the adjusting hole 8, and the pilot valve spring 2 is stretched to close the adjusting pilot valve; when the pressure in the control cavity 7 is smaller than the pressure in the water inlet cavity 6, the water in the water inlet cavity 6 pushes the valve plate 3 away from the adjusting hole 8 and presses the pilot valve spring 2, so that the opening of the adjusting pilot valve is realized.
Meanwhile, in order to ensure that the pilot valve spring 2 does not deviate when being stretched and extruded, the position of the valve plate 3 is also ensured not to deviate, the pressure reducing and stabilizing device for the water supply system further comprises a guide rod 9, the guide rod 9 is inserted into the pilot valve spring 2 and the valve plate 3, the upper end of the guide rod 9 is connected with the inner wall of the upper end of the control cavity 7, and the lower end of the guide rod 9 extends into the water inlet cavity 6. In order to ensure the stability of the lower end of the guide rod 9, a guide ring 10 concentric with the adjusting hole 8 is arranged in the water inlet cavity 6, the guide ring 10 is connected with the inner wall of the water inlet cavity 6 through a connecting rod, and the lower end of the guide rod 9 is inserted into the guide ring 10.
The adjusting pilot valve can be provided with only the pilot valve spring 2; a housing may also be provided on the pilot valve spring 2; the pilot valve spring 2, the valve plate 3 and the guide rod 9 can form the adjusting pilot valve together.
In this embodiment, the pressure reducing and stabilizing device for a water supply system further includes a first pipe 11 connected to the water inlet end of the device main body 1, a first valve 12 and a first pressure gauge 13 are disposed on the first pipe 11 along the water flow direction, and the first pressure gauge 13 can directly reflect the pressure of the water inlet end. The first valve 12 is preferably a ball valve, and the first valve 12 is closed when the first pressure gauge 13 needs to be replaced, and the first valve 12 is opened after the replacement, so that the replacement is convenient.
The pressure reducing and stabilizing device for the water supply system further comprises a second pipeline 14 connected with the water outlet end of the device main body, a second valve 15 and a second pressure gauge 16 are arranged on the second pipeline 14 along the water flow direction, and the second pressure gauge 16 can directly reflect the pressure of the water outlet end. The second valve 15 is preferably a ball valve, and the second valve 15 is closed when the second pressure gauge 16 needs to be replaced, and the second valve 15 is opened after the replacement, so that the replacement is convenient. Meanwhile, a micro filter 17 is disposed on the second pipe 14 between the second valve 15 and the device body 1, so as to filter the water entering the second pressure gauge 16.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.
Claims (4)
1. A pressure reducing and stabilizing device for a water supply system is characterized in that: the device comprises a device main body, an adjusting pilot valve and a valve plate, wherein a water inlet and a water outlet are respectively arranged at two ends of the device main body, a water inlet cavity communicated with the water inlet and a control cavity communicated with the water outlet are arranged in the device main body, the water inlet cavity is communicated with the control cavity through an adjusting hole, the adjusting pilot valve and the valve plate are arranged in the control cavity, and the adjusting pilot valve controls the valve plate to open or close the adjusting hole;
the adjusting pilot valve comprises a pilot valve spring, and the lower end of the pilot valve spring is connected with the upper end of the valve plate;
the guide rod is inserted into the pilot valve spring and the valve plate, the upper end of the guide rod is connected with the inner wall of the upper end of the control cavity, and the lower end of the guide rod extends into the water inlet cavity;
a guide ring which is arranged concentrically with the adjusting hole is arranged in the water inlet cavity, the guide ring is connected with the inner wall of the water inlet cavity through a connecting rod, and the lower end of the guide rod is inserted into the guide ring;
when the device supplies water from the water inlet, the water enters the control cavity through the adjusting hole and acts on the adjusting pilot valve, when the pressure of the water outlet is higher than the set value of the adjusting pilot valve, the pilot valve drives the valve plate to close the adjusting hole, the water does not enter the control cavity any more, and the pressure of the water outlet does not rise any more; when the pressure of the water outlet is reduced to the set pressure of the regulating pilot valve, the regulating pilot valve is opened, and the control cavity discharges water to the water outlet; when the water inlet and the water outlet of the control cavity are the same in a stable state, the opening of the regulating hole is unchanged, and the pressure of the water outlet is stable.
2. The pressure reducing and stabilizing device for water supply system as set forth in claim 1, wherein: the device comprises a first pipeline connected with a water inlet end of the device main body, wherein a first valve and a first pressure gauge are arranged on the first pipeline along the water flow direction.
3. The pressure reducing and stabilizing device for water supply system as set forth in claim 1, wherein: the device comprises a second pipeline connected with the water outlet end of the device main body, and a second valve and a second pressure gauge are arranged on the second pipeline along the water flow direction.
4. A pressure reducing and stabilizing device for water supply system as set forth in claim 3, wherein: and a filter is arranged between the second valve and the device main body on the second pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223015944.5U CN219671504U (en) | 2022-11-11 | 2022-11-11 | Pressure reducing and stabilizing device for water supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223015944.5U CN219671504U (en) | 2022-11-11 | 2022-11-11 | Pressure reducing and stabilizing device for water supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219671504U true CN219671504U (en) | 2023-09-12 |
Family
ID=87896050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223015944.5U Active CN219671504U (en) | 2022-11-11 | 2022-11-11 | Pressure reducing and stabilizing device for water supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219671504U (en) |
-
2022
- 2022-11-11 CN CN202223015944.5U patent/CN219671504U/en active Active
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