CN102374325A - Intelligent pressure-stabilizing stop-check valve - Google Patents
Intelligent pressure-stabilizing stop-check valve Download PDFInfo
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- CN102374325A CN102374325A CN2011103462441A CN201110346244A CN102374325A CN 102374325 A CN102374325 A CN 102374325A CN 2011103462441 A CN2011103462441 A CN 2011103462441A CN 201110346244 A CN201110346244 A CN 201110346244A CN 102374325 A CN102374325 A CN 102374325A
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Abstract
The invention relates to an intelligent pressure-stabilizing stop-check valve comprising a valve body, a valve clack, a valve rod and a valve cover, wherein a valve cavity at the outlet side of a valve seat is internally provided with a cylindrical guide sleeve, the outer circumferential surface of the valve clack is movably matched with the inner wall of the guide sleeve, a cylinder of the guide sleeve is provided with a plurality of through holes for communicating an inlet channel with an outlet channel of the valve body and communicating the outlet channel of the valve body with a spring cavity; and the back center of the valve clack is in floating connection with the lower end surface of the valve rod, the upper end of the valve rod is connected with a transmission device, the inlet channel of the valve body is internally provided with a first pressure sensor, the outlet channel of the valve body is internally provided with a second pressure sensor, signal ends of the first pressure sensor and the second pressure sensor are connected with a controller, and a switching signal of the controller is connected to a power supply control circuit of the transmission device. The two pressure sensors detect pressure signals, the controller is used for controlling the valve to open and close and stabilizing the pressure of an outlet of the valve, and the intelligent pressure-stabilizing stop-check valve has the advantages of double functions of a stop valve and a pressure-stabilizing check valve, high pressure-stabilizing precision and the like and is suitable for a control valve of a medium pipeline with high requirement on system pressure stability.
Description
Technical field
The present invention relates to valve field, particularly about a voltage stabilizing safety check.The present invention is applicable to and prevents on the voltage-stabilizing system pipeline that medium from flowing backwards, the control valve of stable system pressure.
Background technique
The voltage stabilizing safety check is used for stablizing the valve outlet pressure and stablizes, prevents to export medium refluence, the effect of protective system device security in pipe-line system.Like the patent No. is the piston type voltage stabilizing safety check of ZL200820163902.7, comprises valve body, valve seat, valve gap, piston, piston cylinder and Sealing and assembling set, and piston is shaped on the sealing surface that cooperatively interacts with valve seat.Be shaped on one-way valve and equalizing orifice on the piston, the import of one-way valve is communicated with piston cavity, and outlet is communicated with the outlet passage of safety check; Equalizing orifice is communicated with the outlet passage of piston cavity and safety check.Through one-way valve and equalizing orifice regulating piston cavity pressure, control piston opens and closes and aperture automatically by pressure medium, prevents the medium refluence and keeps the pressure stability of valve export system.Its shortcoming is that the precision of voltage regulation is low, and throttle down initiatively, and the stop valve that need on pipeline, be installed in series just can realize initiatively cutting off the control function of pipeline, and that system installs is complicated, improve system equipment cost height.
Summary of the invention
The objective of the invention is shortcoming, a kind of precision of voltage regulation height is provided, can initiatively cuts off pipeline, but the intelligent voltage stabilizing safety check that ends that system equipment cost long-distance intelligent is controlled is installed simply, reduced in system to the existing technology existence.
Technological scheme of the present invention comprises valve body, flap, valve rod, valve gap, is shaped on valve seat between valve body inlet passage and the outlet passage, and the flap lower plane is shaped on the sealing surface that cooperates with valve seat, is provided with the pressure setting spring on the flap between plane and the valve gap; In valve seat outlet side valve pocket, be provided with the cylindrical shape guide sleeve, the flap outer peripheral surface cooperates with the guide sleeve inwall is movable, forms spring chamber between guide sleeve, flap, the valve gap three; Be shaped on some through holes on the cylinder of guide sleeve, be communicated with valve body inlet/outlet passage and valve outlet passage and spring chamber; Mainly be that center, the flap back side is connected with the valve rod lower end surface is unsteady; The valve rod upper end is connected with transmission device; In the valve body inlet passage, be provided with first pressure transducer; Be provided with second pressure transducer in the outlet passage, the pressure signal end of said first pressure transducer and second pressure transducer is connected with controller, and the switching signal end of controller is connected in the power control circuit of transmission device.
In above technological scheme, center, the flap back side is shaped on cylindrical shrinkage pool, and this cylindrical shrinkage pool cooperates with the valve rod lower end is movable.
In above technological scheme, flap back side outward edge connects a guide cylinder, and the inwall of this guide cylinder outer cylinder and guide sleeve is shaped on the through hole together with spring chamber and valve outlet passage movingly on the guide cylinder.
One of advantage of the present invention is: in valve body inlet/outlet passage, be provided with first pressure transducer and second pressure transducer respectively; When pressure medium in the outlet passage surpassed setting pressure, the signal of second pressure transducer was closed flap through controller control transmission device transmission valve rod, otherwise; Controller control transmission device transmission valve rod rises; Medium promotes to open flap, makes outlet channel media pressure equal setting pressure, and the precision of voltage regulation is high; When pressure medium in the outlet passage during greater than inlet passage pressure; The pressure signal of first pressure transducer and second pressure transducer through controller relatively after, control transmission device transmission valve rod is closed flap, simultaneously; The outlet pressure medium promotes the flap quick closedown; Prevent that medium from flowing backwards, close rapidly, reliable, but long-distance intelligent control.
Two of advantage of the present invention is: cut off the medium circulation when system needs throttle down, can flap and valve base sealing be closed through transmission device transmission valve rod, do not need to adorn in addition cut-off valve, simplified system erection unit, reduction system equipment cost.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
As shown in Figure 1 is intelligent by the voltage stabilizing safety check; Valve body 1, flap 4, valve rod 6, valve gap 8 are shaped on valve seat between valve body 1 inlet passage and the outlet passage, and flap 4 lower planes are shaped on the sealing surface that cooperates with valve seat; Be provided with pressure setting spring 7 between plane and the valve gap 8 on the flap 4; In valve seat outlet side valve pocket, be provided with cylindrical shape guide sleeve 5, these guide sleeve 5 lower end surfaces are fixedly mounted on the valve body 1 of valve seat periphery, and the upper-end surface is fitted in valve gap 8 times.Flap 4 outer peripheral surfaces cooperate with guide sleeve 5 inwalls are movable, form spring chamber between guide sleeve 5, flap 4, valve gap 8 threes.Be shaped on some through holes on the cylinder of guide sleeve 5; Be communicated with valve body 1 inlet/outlet passage and valve body 1 outlet passage and spring chamber; Medium can flow to valve body 1 outlet passage through the through hole of guide sleeve 5 by valve body 1 inlet passage when flap 4 was opened, and when valve body 1 outlet passage pressure surpassed its inlet passage pressure, the outlet passage medium got into the spring chamber at flap 4 back sides through the through hole of guide sleeve 5; Promote flap 4 and close, prevent that medium from flowing backwards.Float with valve rod 6 lower end surfaces and be connected in center, flap 4 back side, promptly valve rod 6 lower end surfaces are actively set in the cylindrical shrinkage pool at center, flap 4 back side, and when making valve body 1 outlet pressure greater than its inlet pressure, flap 4 does not receive pining down of valve rod 6 and closes automatically.Flap 4 back side outward edges connect a guide cylinder, and the inwall of this guide cylinder outer cylinder and guide sleeve 5 is shaped on the through hole together with spring chamber and valve body 1 outlet passage movingly on the guide cylinder.Valve rod 6 upper ends are connected with transmission device 10; In valve body 1 inlet passage, be provided with first pressure transducer 3; Be provided with second pressure transducer 2 in the outlet passage; The pressure signal end of said first pressure transducer 3 and second pressure transducer 2 is connected with controller 9 signal input parts, and the switching signal end of controller 9 is connected in the power control circuit of transmission device 10.When pressure medium in valve body 1 outlet passage surpassed setting pressure, the signal of second pressure transducer 2 was closed flap 4 through controller 9 control transmission devices 10 transmission valve rods 6, reduces flap 4 apertures; Outlet pressure is descended; And when valve body 1 outlet passage pressure was lower than setting pressure, the signal of second pressure transducer 2 rose through controller 9 control transmission devices 10 transmission valve rods 6, and medium promotes to open flap 4; Outlet pressure is risen, keep the outlet passage pressure medium to equal setting pressure.When second pressure transducer, 2 detected pressure signals during greater than first pressure transducer, 3 detected pressure signals; Controller 9 will be controlled transmission device 10 transmission valve rods 6 and close flap 4; Simultaneously; The outlet pressure medium gets into flap 4 through the through hole of guide sleeve 5 and guide cylinder, promotes flap 4 and closes, and prevents that medium from flowing backwards.Transmission device 10 adopts YE to add manual operating device, can be through electronic or manual active throttle down.Dual functions with safety check and stop valve.Controller 9 can adopt various known technologies to reach needed control function, no longer is described in detail at this.
Claims (3)
- One kind intelligent by the voltage stabilizing safety check; Comprise valve body (1), flap (4), valve rod (6), valve gap (8), be shaped on valve seat between valve body (1) inlet passage and the outlet passage, flap (4) lower plane is shaped on the sealing surface that cooperates with valve seat; Flap (4) is gone up between plane and the valve gap (8) and is provided with pressure setting spring (7); In valve seat outlet side valve pocket, be provided with cylindrical shape guide sleeve (5), flap (4) outer peripheral surface cooperates with guide sleeve (5) inwall is movable, forms spring chamber between guide sleeve (5), flap (4), valve gap (8) three; Be shaped on some through holes on the cylinder of guide sleeve (5); This through hole is communicated with valve body (1) inlet/outlet passage and valve body (1) outlet passage and spring chamber, it is characterized in that floating with valve rod (6) lower end surface in flap (4) center, the back side to be connected, and is connected with transmission device (10) on the valve rod (6); In valve body (1) inlet passage, be provided with first pressure transducer (3); Be provided with second pressure transducer (2) in the outlet passage, the pressure signal end of said first pressure transducer (3) and second pressure transducer (2) is connected with controller (9), and the switching signal end of controller (9) is connected in the power control circuit of transmission device (10).
- 2. the intelligent voltage stabilizing safety check that ends according to claim 1 is characterized in that flap (4) center, the back side is shaped on cylindrical shrinkage pool, and this cylindrical shrinkage pool cooperates with valve rod (6) lower end is movable.
- 3. according to claim 1 and 2 intelligent by the voltage stabilizing safety check; It is characterized in that flap (4) back side outward edge connects a guide cylinder; The inwall of this guide cylinder outer cylinder and guide sleeve (5) is shaped on the through hole together with spring chamber and valve body (1) outlet passage movingly on the guide cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103462441A CN102374325A (en) | 2011-11-01 | 2011-11-01 | Intelligent pressure-stabilizing stop-check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103462441A CN102374325A (en) | 2011-11-01 | 2011-11-01 | Intelligent pressure-stabilizing stop-check valve |
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| Publication Number | Publication Date |
|---|---|
| CN102374325A true CN102374325A (en) | 2012-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103462441A Pending CN102374325A (en) | 2011-11-01 | 2011-11-01 | Intelligent pressure-stabilizing stop-check valve |
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| CN (1) | CN102374325A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455694A (en) * | 2014-12-04 | 2015-03-25 | 张家港市佳晟机械有限公司 | Abnormity warning valve |
| CN104500835A (en) * | 2014-12-31 | 2015-04-08 | 苏州福润机械有限公司 | Valve part |
| CN104913088A (en) * | 2015-06-03 | 2015-09-16 | 南京年代科技有限公司 | Floating energy saving check valve |
| CN106641372A (en) * | 2015-10-29 | 2017-05-10 | 江苏中昊船用阀门制造有限公司 | High pressure and corrosion resistant fast valve |
| CN107448650A (en) * | 2017-08-28 | 2017-12-08 | 铜陵百锐设备配件有限公司 | A kind of solar energy lift check valve |
| CN107606279A (en) * | 2017-08-28 | 2018-01-19 | 铜陵百锐设备配件有限公司 | A kind of new Wedge Gate Valves |
| CN110848400A (en) * | 2019-11-19 | 2020-02-28 | 苏州奥奈斯传感科技有限公司 | Constant pressure throttle valve |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2735109Y (en) * | 2004-05-18 | 2005-10-19 | 陈建新 | Check valve with improved structure |
| CN2854265Y (en) * | 2005-12-01 | 2007-01-03 | 骆成汉 | Intelligent automatic control constant-pressure pressure-reducing valve |
| CN2861662Y (en) * | 2005-10-13 | 2007-01-24 | 靳兰 | :Multifunctional piston type water pump control valve |
| CN201696621U (en) * | 2010-05-21 | 2011-01-05 | 上海冠龙阀门机械有限公司 | Hydraulic power control valve |
| CN201715046U (en) * | 2010-04-30 | 2011-01-19 | 营口流体设备制造(集团)有限公司 | High-pressure water scale removal balance check valve |
| CN201787145U (en) * | 2010-08-12 | 2011-04-06 | 中国石油化工股份有限公司 | Difunctional valve |
| CN202284664U (en) * | 2011-11-01 | 2012-06-27 | 良精集团有限公司 | Stop type pressure stabilizing check valve |
-
2011
- 2011-11-01 CN CN2011103462441A patent/CN102374325A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2735109Y (en) * | 2004-05-18 | 2005-10-19 | 陈建新 | Check valve with improved structure |
| CN2861662Y (en) * | 2005-10-13 | 2007-01-24 | 靳兰 | :Multifunctional piston type water pump control valve |
| CN2854265Y (en) * | 2005-12-01 | 2007-01-03 | 骆成汉 | Intelligent automatic control constant-pressure pressure-reducing valve |
| CN201715046U (en) * | 2010-04-30 | 2011-01-19 | 营口流体设备制造(集团)有限公司 | High-pressure water scale removal balance check valve |
| CN201696621U (en) * | 2010-05-21 | 2011-01-05 | 上海冠龙阀门机械有限公司 | Hydraulic power control valve |
| CN201787145U (en) * | 2010-08-12 | 2011-04-06 | 中国石油化工股份有限公司 | Difunctional valve |
| CN202284664U (en) * | 2011-11-01 | 2012-06-27 | 良精集团有限公司 | Stop type pressure stabilizing check valve |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455694A (en) * | 2014-12-04 | 2015-03-25 | 张家港市佳晟机械有限公司 | Abnormity warning valve |
| CN104500835A (en) * | 2014-12-31 | 2015-04-08 | 苏州福润机械有限公司 | Valve part |
| CN104913088A (en) * | 2015-06-03 | 2015-09-16 | 南京年代科技有限公司 | Floating energy saving check valve |
| CN106641372A (en) * | 2015-10-29 | 2017-05-10 | 江苏中昊船用阀门制造有限公司 | High pressure and corrosion resistant fast valve |
| CN107448650A (en) * | 2017-08-28 | 2017-12-08 | 铜陵百锐设备配件有限公司 | A kind of solar energy lift check valve |
| CN107606279A (en) * | 2017-08-28 | 2018-01-19 | 铜陵百锐设备配件有限公司 | A kind of new Wedge Gate Valves |
| CN110848400A (en) * | 2019-11-19 | 2020-02-28 | 苏州奥奈斯传感科技有限公司 | Constant pressure throttle valve |
| CN110848400B (en) * | 2019-11-19 | 2021-09-07 | 苏州奥奈斯传感科技有限公司 | Constant pressure throttle valve |
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Application publication date: 20120314 |