CN208169628U - A kind of decompression electrically-controlled valve - Google Patents
A kind of decompression electrically-controlled valve Download PDFInfo
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- CN208169628U CN208169628U CN201820601758.4U CN201820601758U CN208169628U CN 208169628 U CN208169628 U CN 208169628U CN 201820601758 U CN201820601758 U CN 201820601758U CN 208169628 U CN208169628 U CN 208169628U
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- valve
- valve body
- pressure
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- spool
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Abstract
The utility model discloses a kind of decompression electrically-controlled valves,Including valve body,Snout cavity,Valve deck,Adjusting rod,Spring bearer plate,Adjustment spring,Pressure chamber,Flow port,Lower bottom base,Valve rod,Spool,Hydraulic cylinder,Water pressure gauge and processor,The valve inner side offers snout cavity,Valve deck is installed on the upside of the valve body,Pressure chamber is provided in the valve body of described snout cavity one end,And pressure through-hole is offered between pressure chamber and snout cavity,The valve inner other side offers outlet plenum,A kind of decompression electrically-controlled valve of the utility model,The size of hydraulic pressure in snout cavity is perceived by the water pressure gauge being equipped with,When hydraulic pressure value is less than or equal to preset value,Driven by Hydraulic Cylinder adjusting rod,Valve rod and spool, which move down, makes flow port opening carry out conveying liquid,When hydraulic pressure value is greater than preset value,Driven by Hydraulic Cylinder adjusting rod,Valve rod and spool, which move up, closes flow port,When valve export pressure drops to water pressure gauge setting pressure once,Spool is opened,Control room downstream drains.
Description
Technical field
The utility model relates to pressure reducing valve technical field, specifically a kind of decompression electrically-controlled valve.
Background technique
Existing pressure reducing valve is that outlet pressure 200X type pressure reducing valve (adjustable compression release valve) work can be set by valve spring
Make principle：When valve is from input end water supply, water flows through needle-valve and enters main valve control room, and outlet pressure is applied to by conduit and is led
On valve.When outlet pressure is higher than pilot valve spring setting value, pilot valve is closed.Control room stops draining, at this time in main valve control room
Pressure rise simultaneously closes main valve, and outlet pressure no longer increases.When valve export pressure drops to pilot valve spring setting pressure, pilot valve
It opens, control room downstream drains.Since loaded pilot system displacement is greater than the inflow of needle-valve, main valve controls chamber pressure decline.
Inlet pressure opens main valve.At steady state, control room water inlet, drain identical, main valve aperture is constant, and outlet pressure is steady
Fixed, outlet pressure can be set by adjusting pilot valve spring.
Existing decompression valve technology has the following problems：Existing decompression electrically-controlled valve is not easy to carry out electric control valve
Opening and closing, survey voltage-controlled system by pilot valve spring and be opened and closed, it is lower to survey pressure precision, influences using effect.
Utility model content
The purpose of this utility model is to provide a kind of decompression electrically-controlled valves, to solve the problems of the prior art.
To achieve the above object, the utility model provides the following technical solutions：A kind of decompression electrically-controlled valve, including valve body, into
Oral cavity, valve deck, adjusting rod, spring bearer plate, adjustment spring, pressure chamber, pressure through-hole, flow port, lower bottom base, valve rod, spool,
Hydraulic cylinder, water pressure gauge and processor, the valve inner side offer snout cavity, are equipped with valve deck on the upside of the valve body, institute
It states and is provided with pressure chamber in the valve body of snout cavity one end, and offer pressure through-hole between pressure chamber and snout cavity, the valve body
The internal other side offers outlet plenum, and flow port, peace in the flow port are provided between the snout cavity and outlet plenum
Equipped with spool, valve rod is installed in the middle part of the spool, adjusting rod is installed, the adjusting rod upper end is equipped with inside the valve deck
Hydraulic cylinder, the adjusting rod other end connects by adjustment spring with valve rod one end, the valve body outside be equipped with water pressure gauge with
Processor, described water pressure gauge one end are connect with pressure chamber, and the hydraulic cylinder and water pressure gauge are electrically connected with processor, it is described go out
Cavity interior is equipped with filter screen, is equipped with lower bottom base on the downside of the valve body.
Preferably, the adjustment spring both ends are equipped with spring bearer plate, and spring bearer plate one end respectively with adjusting rod and valve
Bar is fixedly connected.
Preferably, the filter screen is made of multiple layer metal filter mesh layer, and filter screen one end is equipped with fixing seat, fixing seat
Both ends are fixedly connected with the valve body by screw.
Preferably, the valve body two sides are equipped with bump joint, and fixation hole is offered on bump joint.
Preferably, the processor uses arm processor, is bolted between the valve body and valve deck.
Compared with prior art, the utility model has the beneficial effects that：The utility model passes through the water pressure gauge being equipped with and perceives
The size of hydraulic pressure in snout cavity, when hydraulic pressure value is less than or equal to preset value, Driven by Hydraulic Cylinder adjusting rod, valve rod and spool, which move down, to be made
Flow port opening carries out conveying liquid, and when hydraulic pressure value is greater than preset value, Driven by Hydraulic Cylinder adjusting rod, valve rod and spool are moved up
Close flow port, when valve export pressure drops to water pressure gauge setting pressure once, spool is opened, and control room is downstream arranged
Water is electrically connected with processor by hydraulic cylinder and water pressure gauge, is able to carry out Electronic control, the basic role principle of pressure reducing valve
It is that hydraulic pressure is reduced to the local resistance of water flow by valve inner flow passage, carries out that detection hydraulic pressure is more accurate, and improving reduces by water pressure gauge
Hydraulic pressure conveying precision so that control room water inlet, drain it is identical.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
In figure：1- valve body, 2- snout cavity, 3- valve deck, 4- adjusting rod, 5- spring bearer plate, 6- adjustment spring, 7- pressure chamber,
8- pressure through-hole, 9- flow port, 10- lower bottom base, 11- valve rod, 12- spool, 13- bump joint, 14- outlet plenum, 15- filtering
Net, 16- fixing seat, 17- screw, 18- hydraulic cylinder, 19- water pressure gauge, 20- bolt, 21- processor.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, in the utility model embodiment, a kind of decompression electrically-controlled valve, including valve body 1, snout cavity 2, valve deck 3,
Adjusting rod 4, spring bearer plate 5, adjustment spring 6, pressure chamber 7, pressure through-hole 8, flow port 9, lower bottom base 10, valve rod 11, spool
12, hydraulic cylinder 18, water pressure gauge 19 and processor 21,1 interior side of valve body offer snout cavity 2, are equipped with valve deck on the upside of valve body 1
3, convenient for being provided with pressure chamber 7, and pressure chamber 7 and import in the valve body 1 of 2 one end of snout cavity to being sealed on the upside of valve body 1
Pressure through-hole 8 is offered between chamber 2, enters convenient for water and carries out survey pressure in pressure chamber 7, and the 1 inside other side of valve body offers outlet
Chamber 14 is provided with flow port 9 between snout cavity 2 and outlet plenum 14, be equipped with spool 12 in flow port 9, in spool 12
Portion is equipped with valve rod 11, and adjusting rod 4 is equipped with inside valve deck 3, and 4 upper end of adjusting rod is equipped with hydraulic cylinder 18, is convenient for controlling
It is moved down on valve rod 11, to control the opening and closing of flow port 9,4 other end of adjusting rod passes through adjustment spring 6 and 11 one end of valve rod
It connects, water pressure gauge 19 and processor 21 is installed on the outside of valve body 1,19 one end of water pressure gauge is connect with pressure chamber 7,18 He of hydraulic cylinder
Water pressure gauge 19 is electrically connected with processor 21, is convenient for the opening and closing of electric control valve, was equipped with inside outlet plenum 14
Strainer 15 is equipped with lower bottom base 10 on the downside of valve body 1.
Spring bearer plate 5 is installed by 6 both ends of adjustment spring, and 5 one end of spring bearer plate respectively with adjusting rod 4 and valve rod 11
It is fixedly connected, adjustment spring 6 is capable of providing certain screen resilience, moves up convenient for spool 12 and closes flow port 9.
It is made of filter screen 15 multiple layer metal filter mesh layer, and 15 one end of filter screen is equipped with fixing seat 16, fixing seat
16 both ends are fixedly connected by screw 17 with valve body 1, convenient for removing the solid particle polluter in conveying liquid.
Bump joint 13 is installed by 1 two sides of valve body, and offers fixation hole on bump joint 13, convenient for being connected and fixed
It uses.
Arm processor is used by processor 21, intelligent control is convenient for, passes through spiral shell between the valve body 1 and valve deck 3
Bolt 20 is fixed.
Working principle：The size that hydraulic pressure in snout cavity 2 is perceived by the water pressure gauge 19 being equipped with, when hydraulic pressure value is less than or equal to water
When pressing the preset value of table 19, signal is passed into processor 21, processor 21 will control hydraulic cylinder 18 and drive adjusting rod 4, valve rod
11 and spool 12 move down make flow port 9 opening carry out conveying liquid, when hydraulic pressure value be greater than 19 preset value of water pressure gauge when, make it is hydraulic
Cylinder 18, which drives adjusting rod 4, valve rod 11 and spool 12 to move up, closes flow port 9, then by valve inner flow passage to the part of water flow
Resistance drop low hydraulic pressure is electrically connected with processor 21 to control downstream drainage by hydraulic cylinder 18 and water pressure gauge 19, can
The opening and closing for carrying out electric control valve carries out the essence that detection hydraulic pressure is more accurate, and raising reduction hydraulic pressure conveys by water pressure gauge 19
Degree, by the filter screen 15 being equipped with, can be filtered solid to the liquid of conveying so that control conveying water inlet, draining identical
Particle.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (5)
1. a kind of decompression electrically-controlled valve, including valve body (1), snout cavity (2), valve deck (3), adjusting rod (4), spring bearer plate (5), adjusting
Spring (6), pressure chamber (7), pressure through-hole (8), flow port (9), lower bottom base (10), valve rod (11), spool (12), hydraulic cylinder
(18), water pressure gauge (19) and processor (21), it is characterised in that:Valve body (1) interior side offers snout cavity (2), institute
It states and is equipped with valve deck (3) on the upside of valve body (1), is provided with pressure chamber (7) in the valve body (1) of described snout cavity (2) one end, and pressure
It being offered between chamber (7) and snout cavity (2) pressure through-hole (8), the internal other side of the valve body (1) offers outlet plenum (14),
It is provided with flow port (9) between the snout cavity (2) and outlet plenum (14), spool is installed in the flow port (9)
(12), it is equipped with valve rod (11) in the middle part of the spool (12), adjusting rod (4), the adjusting rod is installed inside the valve deck (3)
(4) upper end is equipped with hydraulic cylinder (18), and adjusting rod (4) other end is connect by adjustment spring (6) with valve rod (11) one end,
Water pressure gauge (19) and processor (21) are installed, described water pressure gauge (19) one end and pressure chamber (7) are even on the outside of the valve body (1)
It connects, the hydraulic cylinder (18) and water pressure gauge (19) are electrically connected with processor (21), are equipped with inside the outlet plenum (14)
Filter screen (15), valve body (1) downside are equipped with lower bottom base (10).
2. a kind of decompression electrically-controlled valve according to claim 1, it is characterised in that：Adjustment spring (6) both ends are equipped with
Spring bearer plate (5), and spring bearer plate (5) one end is fixedly connected with adjusting rod (4) and valve rod (11) respectively.
3. a kind of decompression electrically-controlled valve according to claim 1, it is characterised in that：The filter screen (15) is filtered by multiple layer metal
Stratum reticulare composition, and filter screen (15) one end is equipped with fixing seat (16), fixing seat (16) both ends pass through screw (17) and valve body (1)
It is fixedly connected.
4. a kind of decompression electrically-controlled valve according to claim 1, it is characterised in that：Valve body (1) two sides are equipped with flange
Connector (13), and fixation hole is offered on bump joint (13).
5. a kind of decompression electrically-controlled valve according to claim 1, it is characterised in that：The processor (21) is handled using ARM
Device, it is fixed by bolt (20) between the valve body (1) and valve deck (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820601758.4U CN208169628U (en) | 2018-04-25 | 2018-04-25 | A kind of decompression electrically-controlled valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820601758.4U CN208169628U (en) | 2018-04-25 | 2018-04-25 | A kind of decompression electrically-controlled valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208169628U true CN208169628U (en) | 2018-11-30 |
Family
ID=64372318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820601758.4U Active CN208169628U (en) | 2018-04-25 | 2018-04-25 | A kind of decompression electrically-controlled valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208169628U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114588566A (en) * | 2022-01-20 | 2022-06-07 | 抚顺华腾防护装备制造有限公司 | Positive pressure oxygen respirator pressure differential regulation and control type automatic oxygen supply device |
-
2018
- 2018-04-25 CN CN201820601758.4U patent/CN208169628U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114588566A (en) * | 2022-01-20 | 2022-06-07 | 抚顺华腾防护装备制造有限公司 | Positive pressure oxygen respirator pressure differential regulation and control type automatic oxygen supply device |
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