CN106931202A - A kind of pressure-reducing valve - Google Patents
A kind of pressure-reducing valve Download PDFInfo
- Publication number
- CN106931202A CN106931202A CN201710232938.XA CN201710232938A CN106931202A CN 106931202 A CN106931202 A CN 106931202A CN 201710232938 A CN201710232938 A CN 201710232938A CN 106931202 A CN106931202 A CN 106931202A
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- China
- Prior art keywords
- working chamber
- valve
- pressure
- valve seat
- valve element
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Classifications
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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
- F16K17/04—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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Abstract
The invention discloses a kind of pressure-reducing valve, including left joint, the left joint is provided with the first working chamber, and the side of left joint is provided with valve body, valve seat is provided with valve body, the second working chamber is provided with above valve seat, the first shape of the mouth as one speaks circle is provided between left joint and valve seat, the first spring is provided with valve seat, the second shape of the mouth as one speaks circle is additionally provided with valve seat, valve element is provided with the side of valve seat, the 3rd shape of the mouth as one speaks circle is provided with valve element, second spring is provided with the side of valve element.Pressure-reducing valve of the present invention, after pump pressure 31.5MPa enters from the first working chamber, into the second working chamber, while liquid is also into the 3rd working chamber, because the 3rd working chamber valve element area of section is more than the first working chamber area of section, therefore when the 3rd working chamber reaches 14MPa, valve element is moved to the left and valve base sealing, it is ensured that the second working chamber 14MPa, and pressure-reducing valve is the flow stream pressure branch of hydraulic support, for forming hydraulic system different pressures under same pumping plant, the function of pump is increased to reduce.
Description
Technical field
The present invention relates to pressure-reducing valve technical field, specifically a kind of pressure-reducing valve.
Background technology
Pressure-reducing valve is the outlet pressure that inlet pressure is reduced to a certain needs by adjusting, and the energy by medium in itself
Amount, makes outlet pressure keep the valve of stabilization automatically, and from the viewpoint of hydrodynamics, pressure-reducing valve is that a local resistance can become
The restricting element of change, i.e., by changing orifice size, change the kinetic energy of flow velocity and fluid, causes the different pressure losses, from
And the purpose of decompression is reached, then by the regulation of control and regulating system, the fluctuation and spring force for making downstream pressure balance each other,
Downstream pressure is set to keep constant in certain error range, prior art is not adapted to the decompression of colliery water and emulsifiable solution medium
Valve, and effect of easing stress is poor, it is impossible to ensure that downstream pressure keeps constant in certain error range, in use, need
Increase pump.
The content of the invention
It is an object of the invention to provide a kind of pressure-reducing valve, have the advantages that effect of easing stress is good and pressure remained steady, with
Solve the problems, such as to be proposed in above-mentioned background technology.
To achieve the above object, the present invention provides following technical scheme：A kind of pressure-reducing valve, including left joint, the left side connects
Head is provided with the first working chamber, and the side of left joint is provided with valve body, and valve seat is provided with valve body, is provided with above valve seat
Second working chamber, is provided with the first shape of the mouth as one speaks circle between left joint and valve seat, and the first spring is provided with valve seat, is also set on valve seat
There is the second shape of the mouth as one speaks circle, valve element is provided with the side of valve seat, the 3rd shape of the mouth as one speaks circle is provided with valve element, second is provided with the side of valve element
Spring, the side of the valve element is additionally provided with end cap, and the 4th shape of the mouth as one speaks circle is fixedly installed on end cap, and the side of the valve element is provided with
3rd working chamber, the side of the 3rd working chamber be provided with it is spherical rise it is stifled.
As further scheme of the invention：First working chamber is connected with valve seat.
As further scheme of the invention：The material of first spring and second spring is carbon spring steel wires.
Compared with prior art, beneficial effect of the present invention：
Pressure-reducing valve of the present invention, after being pumped 31.5MPa and entering from the first working chamber, highly pressurised liquid pushes valve element open, into the
Two working chambers, while liquid is also into the 3rd working chamber, because the 3rd working chamber valve element area of section is more than the first working chamber section
Area, therefore when the 3rd working chamber reaches 14MPa, valve element is moved to the left and valve base sealing, it is ensured that the second working chamber 14MPa, when
After second work cavity pressure declines, the first working chamber continues to the second working chamber feed flow, and pressure-reducing valve is the liquid stream pressure of hydraulic support
Power branch, for forming hydraulic system different pressures under same pumping plant, the function of pump is increased to reduce, be adapted to colliery water with
The pressure-reducing valve of emulsifiable solution medium, in use, has the advantages that effect of easing stress is good and pressure remained steady.
Brief description of the drawings
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is principle schematic of the invention.
In figure：The left joints of 1-；2- first shape of the mouth as one speaks circles；The springs of 3- first；4- valve seats；5- second shape of the mouth as one speaks circles；6- valve bodies；7-
Three shape of the mouth as one speaks circles；8- valve elements；9- second springs；10- end caps；The shape of the mouth as one speaks circles of 11- the 4th；12- is spherical rise it is stifled；The working chambers of 13- first；
The working chambers of 14- second；The working chambers of 15- the 3rd.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1-2 is referred to, in the embodiment of the present invention, a kind of pressure-reducing valve, including left joint 1, left joint 1 is provided with the first work
Make chamber 13, the first working chamber 13 is connected with valve seat 4, and the side of left joint 1 is provided with valve body 6, and valve seat is provided with valve body 6
4, the second working chamber 14 is provided with the top of valve seat 4, the first shape of the mouth as one speaks circle 2 is provided between left joint 1 and valve seat 4, on valve seat 4
The first spring 3 is provided with, the second shape of the mouth as one speaks circle 5 is additionally provided with valve seat 4, valve element 8 is provided with the side of valve seat 4, be provided with valve element 8
3rd shape of the mouth as one speaks circle 7, second spring 9 is provided with the side of valve element 8, and the material of the first spring 3 and second spring 9 is carbon spring
Steel wire, the side of valve element 8 is additionally provided with end cap 10, and the 4th shape of the mouth as one speaks circle 11 is fixedly installed on end cap 10, and the side of valve element 8 is provided with
3rd working chamber 15, the side of the 3rd working chamber 15 be provided with it is spherical rise stifled 12, pressure-reducing valve is the liquid of coal-mine hydraulic support
Pressure element, it is emulsion oil emulsion/pure water 5 that it uses medium：95, its cleannes is the liquid after 40um strainer filterings, no
Allow with the presence of in the impurity hydraulic system such as iron pin, cinder, pressure-reducing valve of the present invention, as pump pressure 31.5MPa from the first working chamber 13
After, highly pressurised liquid pushes valve element 8 open, into the second working chamber 14, while liquid is also into the 3rd working chamber 15, because of the 3rd work
Make the area of section of 15 valve element of chamber 8 more than the area of section of the first working chamber 13, therefore when the 3rd working chamber 15 reaches 14MPa, valve element 8
It is moved to the left and is sealed with valve seat 4, it is ensured that the second working chamber 1431.514MPa, after the pressure of the second working chamber 14 declines, the first work
Make chamber 13 to continue to give the feed flow of the second working chamber 14, pressure-reducing valve is the flow stream pressure branch of hydraulic support, same for being formed
Hydraulic system different pressures under pumping plant, the function of pump is increased to reduce, and is adapted to the pressure-reducing valve of colliery water and emulsifiable solution medium, is made
During, have the advantages that effect of easing stress is good and pressure remained steady.
Operation principle：After pump pressure 31.5MPa enters from the first working chamber 13, highly pressurised liquid pushes valve element 8 open, into second
Working chamber 14, while liquid is also into the 3rd working chamber 15, because the area of section of 15 valve element of the 3rd working chamber 8 is more than the first working chamber
13 areas of section, therefore when the 3rd working chamber 15 reaches 14MPa, valve element 8 is moved to the left and is sealed with valve seat 4, it is ensured that the second work
Chamber 14 reaches 14MPa, and after the pressure of the second working chamber 14 declines, the first working chamber 13 continues to give the feed flow of the second working chamber 14.
In sum：Pressure-reducing valve of the present invention, after pump pressure 31.5MPa enters from the first working chamber 13, highly pressurised liquid is pushed open
Valve element 8, into the second working chamber 14, while liquid is also into the 3rd working chamber 15, because of the area of section of 15 valve element of the 3rd working chamber 8
More than the area of section of the first working chamber 13, therefore when the 3rd working chamber 15 reaches 14MPa, valve element 8 is moved to the left close with valve seat 4
Envelope, it is ensured that the second working chamber 14 reaches 14MPa, and after the pressure of the second working chamber 14 declines, the first working chamber 13 continues to second
The feed flow of working chamber 14, pressure-reducing valve is the flow stream pressure branch of hydraulic support, for forming same pumping plant under hydraulic system not
Same pressure, the function of pump is increased to reduce, and is adapted to the pressure-reducing valve of colliery water and emulsifiable solution medium, in use, with subtracting
Pressure good and pressure remained steady the advantage of effect.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be in other specific forms realized.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires to be limited rather than described above, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as the claim involved by limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each implementation method is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Specification an as entirety, the technical scheme in each embodiment can also be formed into those skilled in the art through appropriately combined
May be appreciated other embodiment.
Claims (3)
1. a kind of pressure-reducing valve, including left joint (1), it is characterised in that：The left joint (1) is provided with the first working chamber (13),
The side of left joint (1) is provided with valve body (6), valve seat (4) is provided with valve body (6), second is provided with above valve seat (4)
Working chamber (14), is provided with the first shape of the mouth as one speaks circle (2) between left joint (1) and valve seat (4), and the first spring is provided with valve seat (4)
(3) the second shape of the mouth as one speaks circle (5), is additionally provided with valve seat (4), valve element (8) is provided with the side of valve seat (4), be provided with valve element (8)
3rd shape of the mouth as one speaks circle (7), second spring (9) is provided with the side of valve element (8), and the side of the valve element (8) is additionally provided with end cap (10),
The 4th shape of the mouth as one speaks circle (11) is fixedly installed on end cap (10), the side of the valve element (8) is provided with the 3rd working chamber (15),
The side of three working chambers (15) is provided with spherical rising stifled (12).
2. a kind of pressure-reducing valve according to claim 1, it is characterised in that：First working chamber (13) and valve seat (4) phase
Connection.
3. a kind of pressure-reducing valve according to claim 1, it is characterised in that：First spring (3) and second spring (9)
Material is carbon spring steel wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710232938.XA CN106931202A (en) | 2017-04-11 | 2017-04-11 | A kind of pressure-reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710232938.XA CN106931202A (en) | 2017-04-11 | 2017-04-11 | A kind of pressure-reducing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106931202A true CN106931202A (en) | 2017-07-07 |
Family
ID=59425732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710232938.XA Pending CN106931202A (en) | 2017-04-11 | 2017-04-11 | A kind of pressure-reducing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106931202A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001248740A (en) * | 2000-03-07 | 2001-09-14 | Pacific Ind Co Ltd | Valve core for charge valve |
| CN101655165A (en) * | 2008-08-21 | 2010-02-24 | 上海立新液压有限公司 | Novel three-way pressure reducing valve |
| US20140096847A1 (en) * | 2009-09-29 | 2014-04-10 | Hon Hai Precision Industry Co., Ltd. | Water tank of water-cooled heat dissipation system |
| CN203979550U (en) * | 2014-05-30 | 2014-12-03 | 杭州良工阀门有限公司 | A kind of nuclear power Self-operated pressure reducing valve |
| CN205896311U (en) * | 2016-08-15 | 2017-01-18 | 河北凯德采暖设备有限公司 | Ordinary pressure is relief pressure valve for boiler |
| CN205908548U (en) * | 2016-07-01 | 2017-01-25 | 福建省海洋阀门科技有限公司 | Prevent superpressure relief pressure valve |
-
2017
- 2017-04-11 CN CN201710232938.XA patent/CN106931202A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001248740A (en) * | 2000-03-07 | 2001-09-14 | Pacific Ind Co Ltd | Valve core for charge valve |
| CN101655165A (en) * | 2008-08-21 | 2010-02-24 | 上海立新液压有限公司 | Novel three-way pressure reducing valve |
| US20140096847A1 (en) * | 2009-09-29 | 2014-04-10 | Hon Hai Precision Industry Co., Ltd. | Water tank of water-cooled heat dissipation system |
| CN203979550U (en) * | 2014-05-30 | 2014-12-03 | 杭州良工阀门有限公司 | A kind of nuclear power Self-operated pressure reducing valve |
| CN205908548U (en) * | 2016-07-01 | 2017-01-25 | 福建省海洋阀门科技有限公司 | Prevent superpressure relief pressure valve |
| CN205896311U (en) * | 2016-08-15 | 2017-01-18 | 河北凯德采暖设备有限公司 | Ordinary pressure is relief pressure valve for boiler |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20170707 |