CN209325127U - Energy-saving pressure-reducing valve - Google Patents
Energy-saving pressure-reducing valve Download PDFInfo
- Publication number
- CN209325127U CN209325127U CN201821671184.4U CN201821671184U CN209325127U CN 209325127 U CN209325127 U CN 209325127U CN 201821671184 U CN201821671184 U CN 201821671184U CN 209325127 U CN209325127 U CN 209325127U
- Authority
- CN
- China
- Prior art keywords
- spool
- section
- energy
- valve body
- cylinder shape
- 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.)
- Active
Links
Landscapes
- Control Of Fluid Pressure (AREA)
Abstract
The utility model relates to a kind of energy-saving pressure-reducing valves, including valve body and spool, valve chamber and pressure feedback hole are equipped in valve body, the middle part of valve chamber is vertical stepped cylinder shape channel, spool is located in stepped cylinder shape channel, pressure feedback hole is arranged between the outlet of valve chamber and the upper space in stepped cylinder shape channel, spool is revolving meber, it is divided into piston section from top to bottom, seal section and plug section, the center of top of piston section is equipped with the spring stack to raise upward, precompressed spring is arranged on spring stack, the top in stepped cylinder shape channel is equipped with piston waveguide tube, cooperate with the piston section glade plane space of spool, the middle and upper part in stepped cylinder shape channel is equipped with cylindrical space, cooperate with the seal section glade plane space of spool, the vertical section of the plug section of spool is up-narrow and down-wide trapezoidal.Since the inside of valve body is arranged in the utility model pressure feedback hole, having had both it, structure is simple, small in size and design discharge is big, the higher advantage of accuracy.
Description
Technical field
The utility model relates to a kind of pressure reducing valve, in particular to a kind of energy-saving pressure-reducing valve.
Background technique
Pressure reducing valve is a kind of by adjusting, the automatic special arrangement for reducing working pressure of pipeline, it can by pipeline before valve compared with
Level needed for pipeline after high Fluid pressure is reduced to valve.From the viewpoint of hydrodynamics, pressure reducing valve is a local resistance
The restricting element that can change changes the kinetic energy of flow velocity and fluid, different pressure is caused to damage that is, by changing orifice size
It loses, to achieve the purpose that decompression.Then by the adjusting of control and regulating system, make downstream pressure in certain error range
Inside keep constant.Pressure reducing valve is widely used in the excessively high region of skyscraper, city water-supply pipe network hydraulic pressure, mine and other occasions,
To guarantee respectively to obtain service hydraulic pressure and flow appropriate with water spot in water supply system.Leak rate and waste degree in view of water are almost
It is directly proportional with the water pressure of water supply system, therefore pressure reducing valve has improvement system conditions and potential water saving effect.
There are many structural type of pressure reducing valve, common are direct acting type, diaphragm type, inner spring piston type etc..Directly make
With formula pressure reducing valve, structure is simple, small in size, and use is most economical, but its design discharge is low, and accuracy is also the bottom of compared with；Diaphragm type decompression
Valve, design discharge is larger, and flexibly, accuracy is high for control, but it needs to install external sense line in downstream, and structure is complex；
Inner spring piston reducing valve, design discharge is big, and accuracy is also higher, but it generally requires and redesigns a lead except main valve
Valve, structure are also complex.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of energy-saving pressure-reducing valve, it is arranged in valve inner
There is pressure feedback hole, the utility model is made to have had both the advantage and inner spring that Directacting reducing valve structure is simple, small in size
Piston reducing valve design discharge is big, the higher advantage of accuracy；And it does not use extra power to the adjusting of pressure, has yet
There is certain energy-saving effect.
The technical solution of the utility model is:
The inside of a kind of energy-saving pressure-reducing valve, including valve body and spool, the valve body is equipped with valve chamber and pressure feedback hole, institute
Valve chamber is stated equipped with inlet and outlet, middle part is vertical stepped cylinder shape channel, and the spool is located at the ladder-like circle
In cylindrical passageway, outlet and the upper space in stepped cylinder shape channel of the valve chamber is arranged in the pressure feedback hole
Between, and it is connected to outlet and the upper space in stepped cylinder shape channel of the valve chamber；The spool is revolving meber,
It is divided into piston section, seal section and plug section from top to bottom, the center of top of the piston section is equipped with the spring to raise upward
Column is arranged with precompressed spring on the spring stack；The top in stepped cylinder shape channel is equipped with piston waveguide tube, with institute
The piston section glade plane space cooperation of spool is stated, the middle and upper part in stepped cylinder shape channel is equipped with cylindrical space, and described
The seal section glade plane space of spool cooperates, and the vertical section of the plug section of the spool is up-narrow and down-wide trapezoidal.
Further, the piston section of the spool and seal section are designed with ring-shaped groove, are equipped with sealing ring in the groove,
The section of the sealing ring is round or rectangular.
The bottom center of the plug section is equipped with downwardly convex positioning ring, is consolidated below the spool by fixed screw
Surely there are gasket and liner, the gasket is set in the outside of the positioning ring of the spool, and the liner is annulus pallet shape,
Its pallet outer is stuck in the outside of the gasket.
The lower section of the liner is equipped with screw ring, and the screw ring is fixedly connected by screw thread with the valve body, the spiral shell
The lower part of silk ring is equipped with opening, and the opening, which is threadably secured, is connected with silk plug；Or silk plug, institute are equipped with below the liner
It states silk plug and is fixedly connected by screw thread with the valve body.
The root for the screw thread that the screw ring is connect with the valve body is equipped with sealing ring, and the silk plug and the screw ring connect
The root of the screw thread connect is equipped with sealing ring；Or the root of screw thread that the silk plug is connect with the valve body is equipped with sealing ring.
The top of the valve body is equipped with sleeve, and the sleeve is fixedly connected with the valve body by screw thread or other modes,
Or the sleeve and the valve body integral type are processed, and the precompressed spring is equipped in the sleeve.
The top of the precompressed spring, which is equipped with, adjusts bolt, and the adjusting bolt and the sleeve pass through screw thread rotation
Connection, and be pressed on the spring.
The top for adjusting bolt is equipped with silk cap, and the silk cap is fixedly connected by screw thread with the sleeve, the tune
It saves and is designed with stomata in the middle part of the middle part and the silk cap of bolt.
The utility model has the following beneficial effects: making the utility model since the inside of valve body is arranged in its pressure feedback hole
The design discharge of simple, the small in size advantage and inner spring piston reducing valve of structure of Directacting reducing valve is had both
Greatly, the higher advantage of accuracy；Since its valve body lower portion is equipped with screw ring and silk plug, it is convenient for changing delicate gasket.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In figure:
1, silk plug；2, screw ring；3, it pads；
4, gasket；5, fixed screw；6, valve body；
7, spool；8, spring；9, bolt is adjusted；
10, sleeve；11, silk cap；12, sealing ring a；
13, sealing ring b；14, sealing ring c；15, pressure feedback hole；
16, sealing ring d.
Specific embodiment
The utility model is described further with reference to the accompanying drawing.
As shown in Figure 1, a kind of energy-saving pressure-reducing valve provided by the utility model, including valve body 6 and spool 7, the valve body
Inside be equipped with valve chamber and pressure feedback hole 15, the valve chamber be equipped with inlet and outlet, middle part be vertical stepped cylinder
Shape channel, the spool are located in stepped cylinder shape channel, and the outlet of the valve chamber is arranged in the pressure feedback hole
Between the upper space in stepped cylinder shape channel, and be connected to the valve chamber outlet and the stepped cylinder shape it is logical
The upper space in road；The spool is revolving meber, is divided into piston section, seal section and plug section, the work from top to bottom
The center of top of plug section is equipped with the spring stack to raise upward, is arranged with precompressed spring 8 on the spring stack, described ladder-like
The top of cylindrical channel is equipped with piston waveguide tube, cooperates with the piston section glade plane space of the spool, the stepped cylinder shape
The middle and upper part in channel is equipped with cylindrical space, cooperates with the seal section glade plane space of the spool, the plug section of the spool
Vertical section is up-narrow and down-wide trapezoidal.
The bottom center of the plug section is equipped with downwardly convex positioning ring, passes through fixed screw 5 below the spool
It is fixed with gasket 4 and liner 3, the gasket is set in the outside of the positioning ring of the spool, and the liner is annulus support
Dish type, pallet outer are stuck in the outside of the gasket.
High-pressure fluid is flowed into from the import of the valve chamber, stepped cylinder shape channel and the valve by the middle part of valve chamber
The throttling action in the gap between the plug section of core, fluid pressure drop to need pressure value, then from the valve chamber go out
Mouth outflow；When the pressure rise of outlet section fluid, by the pressure feedback hole, act under the piston section of the spool
The pressure of end face can also increase, so that spool be pushed to move upwards, make stepped cylinder shape channel and the spool
Gap between plug section becomes smaller, and the gasket makes the resistance of fluid closer to the lower end surface in stepped cylinder shape channel
Power increases, and then flow is made to become smaller, and so that the pressure of the outlet section of the valve chamber is also become smaller, to make the energy-saving pressure-reducing valve
Pressure after valve remains in a certain range.
Further, the piston section of the spool and seal section are designed with ring-shaped groove, are respectively equipped in the groove close
Seal d16 and sealing ring c14, the groove and sealing ring d of the piston section of the spool make the piston section in the piston waveguide tube
Top and the bottom formed disconnected space, make the exit portion of the valve chamber fluid will not by the piston waveguide tube flow out valve
Outside, the groove of the seal section of the spool and sealing ring c make to be formed not in the inlet part and the piston waveguide tube of the valve chamber
Connected space.
The lower section of the liner is equipped with screw ring 2, and the screw ring is fixedly connected by screw thread with the valve body, the spiral shell
The lower part of silk ring is equipped with opening, and the opening, which is threadably secured, is connected with silk plug 1；The screw ring is connect with the valve body
The root of screw thread be equipped with sealing ring b13, the root of the screw thread that the silk plug is connect with the screw ring equipped with sealing ring a12,
Fluid to avoid the inside of the valve body is oozed out by the threaded connection place.
The top of the valve body is equipped with sleeve 10, and the sleeve is threadably secured with the valve body and connect, the sleeve
It is interior to be equipped with the precompressed spring；The top of the precompressed spring be equipped with adjust bolt 9, the adjusting bolt with it is described
Sleeve is connected by screw thread rotation, and is pressed on the spring, can be to a certain degree by the adjusting for adjusting bolt
It is interior to adjust the elastic of the spring, thus pressure limit required for adjusting；The spring can also be replaced as needed,
And then required pressure limit can be adjusted in a big way.
The top for adjusting bolt is equipped with silk cap 11, and the silk cap is fixedly connected by screw thread with the sleeve, described
It adjusts and is designed with stomata in the middle part of the middle part and the silk cap of bolt, when facilitating the spool to move up and down, the piston is led
The disengaging of gas in cylinder, to not form additional resistance to the movement of the spool.
It is disclosed by the utility model it is each preferably with optional technological means, unless otherwise indicated and a preferred or optional skill
Art means are that further limiting for another technological means is outer, can form several different technical solutions in any combination.
Claims (10)
1. a kind of energy-saving pressure-reducing valve, including valve body and spool, it is characterised in that the inside of the valve body is equipped with valve chamber and pressure
Feedback hole, the valve chamber are equipped with inlet and outlet, and middle part is vertical stepped cylinder shape channel, and the spool is located at described
In stepped cylinder shape channel, the outlet and stepped cylinder shape channel of the valve chamber is arranged in the pressure feedback hole
Between upper space, and it is connected to outlet and the upper space in stepped cylinder shape channel of the valve chamber；The spool is
Revolving meber, is divided into piston section, seal section and plug section from top to bottom, and the center of top of the piston section is equipped with upward convex
The spring stack risen is arranged with precompressed spring on the spring stack；The top in stepped cylinder shape channel is equipped with piston
Guide tube cooperates with the piston section glade plane space of the spool, and the middle and upper part in stepped cylinder shape channel is equipped with cylinder-shaped empty
Between, cooperate with the seal section glade plane space of the spool, the vertical section of the plug section of the spool is up-narrow and down-wide trapezoidal.
2. energy-saving pressure-reducing valve according to claim 1, it is characterised in that the piston section and seal section of the spool are all set
There is ring-shaped groove, sealing ring is equipped in the groove, the section of the sealing ring is round or rectangular.
3. energy-saving pressure-reducing valve according to claim 2, it is characterised in that the groove of the seal section is one or two.
4. energy-saving pressure-reducing valve according to claim 1, it is characterised in that the bottom center of the plug section is equipped with downward
The positioning ring of protrusion is fixed with gasket and liner by fixed screw below the spool, and the gasket is set in institute
The outside of the positioning ring of spool is stated, the liner is annulus pallet shape, and pallet outer is stuck in the outside of the gasket.
5. energy-saving pressure-reducing valve according to claim 4, it is characterised in that the lower section of the liner is equipped with screw ring, described
Screw ring is fixedly connected by screw thread with the valve body, and the lower part of the screw ring is equipped with opening, and the opening passes through screw thread
It is fixedly connected with silk plug；Or silk plug is equipped with below the liner, the silk plug is fixedly connected by screw thread with the valve body.
6. energy-saving pressure-reducing valve according to claim 5, it is characterised in that the spiral shell that the screw ring is connect with the valve body
The root of line is equipped with sealing ring, and the root for the screw thread that the silk plug is connect with the screw ring is equipped with sealing ring；Or the silk plug
The root for the screw thread connecting with the valve body is equipped with sealing ring.
7. energy-saving pressure-reducing valve according to claim 1, it is characterised in that the top of the valve body is equipped with sleeve, the set
Cylinder is fixedly connected with the valve body or the sleeve is processed with the valve body integral type, and the precommpression is equipped in the sleeve
Spring.
8. energy-saving pressure-reducing valve according to claim 7, it is characterised in that the top of the precompressed spring, which is equipped with, adjusts
Bolt is saved, the adjusting bolt is connect with the sleeve by screw thread rotation, and is pressed on the spring.
9. energy-saving pressure-reducing valve according to claim 8, it is characterised in that the top for adjusting bolt is equipped with silk cap, institute
It states a cap and is fixedly connected by screw thread with the sleeve.
10. energy-saving pressure-reducing valve according to claim 9, it is characterised in that the middle part for adjusting bolt and the silk cap
Middle part be designed with stomata.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821671184.4U CN209325127U (en) | 2018-10-16 | 2018-10-16 | Energy-saving pressure-reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821671184.4U CN209325127U (en) | 2018-10-16 | 2018-10-16 | Energy-saving pressure-reducing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209325127U true CN209325127U (en) | 2019-08-30 |
Family
ID=67707974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821671184.4U Active CN209325127U (en) | 2018-10-16 | 2018-10-16 | Energy-saving pressure-reducing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209325127U (en) |
-
2018
- 2018-10-16 CN CN201821671184.4U patent/CN209325127U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102678994B (en) | Automatic decompression voltage and current stabilizer | |
| CN106015675B (en) | A kind of one-way pressure-regulating overflow valve with thrust bearing | |
| CN202790885U (en) | Regulating valve | |
| CN105089543A (en) | Horizontal-well water pressure controlling device | |
| CN203067792U (en) | Multistage throttling regulating valve | |
| CN209325127U (en) | Energy-saving pressure-reducing valve | |
| CN104806798A (en) | Pressure reducing valve | |
| CN102853155B (en) | Adjustable pressure reducing valve with high pressure reducing ratio | |
| CN109838366B (en) | Diaphragm booster pump with switch and protective adjusting structure | |
| CN107558967B (en) | Steady flow regulator for water injection well | |
| CN104132166A (en) | Pressure regulator | |
| CN201731134U (en) | Pressure reducing valve | |
| CN204717076U (en) | A kind of reduction valve | |
| CN203223431U (en) | Threaded plug-in type three-way reducing valve | |
| CN208595270U (en) | A kind of pressure reducing valve | |
| CN202597827U (en) | Novel automatic pressure reducing and stabilizing and current stabilizing device | |
| CN207406862U (en) | A kind of piston piloted reducer | |
| CN208997434U (en) | A kind of multistage hydraulic type current stabilization inlet water solenoid valve | |
| CN208781077U (en) | A kind of self weight flow liquid tube sealing flow control device | |
| CN208024900U (en) | One kind having degassing function differential pressure control valve | |
| CN2522687Y (en) | Pneumatic high-pressure regulation valve | |
| CN214197530U (en) | Minimum flow control valve of boiler feed pump recirculation | |
| CN212389815U (en) | Pressure reducing valve | |
| CN219366908U (en) | Low-pressure direct-acting overflow valve of turbine lubrication system | |
| CN208397429U (en) | A kind of Fluorine-lined direct-operated regulator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |