CN107289166A - A kind of shutoff valve - Google Patents

A kind of shutoff valve Download PDF

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Publication number
CN107289166A
CN107289166A CN201710699963.9A CN201710699963A CN107289166A CN 107289166 A CN107289166 A CN 107289166A CN 201710699963 A CN201710699963 A CN 201710699963A CN 107289166 A CN107289166 A CN 107289166A
Authority
CN
China
Prior art keywords
valve
valve body
sensing device
control device
pressure
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.)
Pending
Application number
CN201710699963.9A
Other languages
Chinese (zh)
Inventor
潘勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NINGBO IDC INTERNATIONAL TRADING CO Ltd
Original Assignee
NINGBO IDC INTERNATIONAL TRADING CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NINGBO IDC INTERNATIONAL TRADING CO Ltd filed Critical NINGBO IDC INTERNATIONAL TRADING CO Ltd
Priority to CN201710699963.9A priority Critical patent/CN107289166A/en
Publication of CN107289166A publication Critical patent/CN107289166A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/20Excess-flow valves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D35/00Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/02Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
    • B01D35/04Plug, tap, or cock filters filtering elements mounted in or on a faucet
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/02Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/44Mechanical actuating means
    • F16K31/53Mechanical actuating means with toothed gearing
    • F16K31/54Mechanical actuating means with toothed gearing with pinion and rack
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0075For recording or indicating the functioning of a valve in combination with test equipment
    • F16K37/0091For recording or indicating the functioning of a valve in combination with test equipment by measuring fluid parameters

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Fluid-Driven Valves (AREA)

Abstract

The invention discloses a kind of shutoff valve, it is related to valve field, including closure, valve body, valve rod, sensing device, communicator and control device, closure is connected by screw thread with valve body, valve rod passes through the centre bore on closure, upper shed through valve body is positioned in valve body, the pressure value that control device detects sensing device is compared with default safety value, when the pressure value that sensing device is detected is less than or equal to default safety value, control device transmits real-time aperture and pressure data by communicator to the computer of staff;When the pressure value that sensing device is detected is more than default safety value, control device poppet stem;A kind of shutoff valve of the present invention has the effect of accurate adjustment aperture, while the design of double security device effectively prevent safety problem that may be present during use, and has automatic constant-pressure, alarm, monitoring, the function of remote control concurrently.

Description

A kind of shutoff valve
Technical field
The present invention relates to valve field, more particularly to a kind of shutoff valve.
Background technology
Shutoff valve in daily production and living, is widely used in a variety of applications as the requirement in laying pipe process, with The progress of society, the development in epoch, people require also more and more higher to the security performance of shutoff valve.
A kind of pressure sensing choke valve as disclosed in Chinese invention CN105003687A, including valve body, positioned at valve sheet The liquid first entrance and liquid first outlet of body one end and the liquid first outlet and liquid positioned at the valve body other end Two outlets, in addition to positioned at the draw and insert-type restriction of valve body, described restriction is set through valve body.The invention is only Pressure value inside shutoff valve can be shown, when pressure value exceedes safety value, it is impossible to automatic pressure-reducing or alarm.
The content of the invention
First, the technical problem to be solved
How to solve adjustment aperture that existing safety shut-off valve is present it is not accurate enough and can not automatic constant-pressure, alarm, supervise The problem of control, remote control.
2nd, technical scheme
In order to solve the above problems, spy provides a kind of shutoff valve, including closure, valve body, valve rod, sensing device, communication Device and control device, closure are connected by screw thread with valve body, and valve rod is through the centre bore on closure, through being opened on valve body Mouth is positioned in valve body, and the pressure value that control device detects sensing device is compared with default safety value, sensing dress When putting the pressure value that detects and being less than or equal to default safety value, control device by computer from communicator to staff Transmit real-time aperture and pressure data;When the pressure value that sensing device is detected is more than default safety value, control device lifting Valve rod.
Wherein also include auxiliary safety device, auxiliary safety device includes traveling nut, screen pack, piston, spring, pad Piece, sealing ring, water outlet mouthpiece and two sections of valve bodies, two sections of valve bodies are connected by traveling nut and valve body, screen pack, piston and spring It is placed sequentially in and in two sections of valve bodies, gap of the pad when piston is compressed between sealing piston and water outlet mouthpiece, water outlet mouthpiece It is connected by screw thread with two sections of valve bodies, sealing ring is arranged between water outlet mouthpiece and two sections of valve bodies.
Wherein valve rod is made up of the valve element of rack and top fuller shape.
Wherein control device includes gear, motor, battery and control circuit.
Wherein communicator is GPRS wireless communication modules.
Wherein battery is that motor, GRS wireless communication modules, sensing device and control circuit are powered.
Wherein there is signal wire to be connected between control circuit and GPRS wireless communication modules;Control between circuit and sensing device There is signal wire to be connected.
Straight-tooth on its middle gear is engaged with the straight-tooth on valve rod.
Its middle gear is arranged on the protrusion axle of motor.
Wherein sensing device is pressure sensor.
Wherein there is the bin of placement control device in valve body;There are the entrance of fluid entrance and going out for fluid outflow on valve body Mouthful.
3rd, beneficial effects of the present invention
Compared with prior art, a kind of shutoff valve of the invention has the effect of accurate adjustment aperture, while dual safety The design of device effectively prevent safety problem that may be present during use, and have concurrently automatic constant-pressure, alarm, monitoring, The function of remote control.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the circuit block diagram of the present invention;
1 is closure in figure;2 be valve body;3 be valve rod;4 be pressure sensor;5 be outlet;6 be entrance;7 be gear;8 For motor;9 be battery;10 be GPRS wireless communication modules;11 be governor circuit;12 be nut;13 be screen pack;14 be work Plug;15 be spring;16 be pad;17 be sealing ring;18 be water outlet mouthpiece;19 be two sections of valve bodies.
Embodiment
With reference to the accompanying drawings and examples, the embodiment to the present invention is described in further detail.Implement below Example is used to illustrate the present invention, but can not be used for limiting the scope of the present invention.
Embodiment 1:
A kind of shutoff valve of the present invention, as shown in figure 1, closure 1 is connected by screw thread with the valve body 2, valve rod 3 is passed through Centre bore on closure 1, the upper shed through valve body 2 is positioned in valve body 2, and pressure sensor 4 is that governor circuit 11 provides pressure Force data, valve rod 3 is made up of the valve element of rack and top fuller shape, and battery 9 is motor 8, GRS wireless communication modules 10, pressure sensing Device 4 and control circuit 11 are powered;There is signal wire to be connected between control circuit 11 and GPRS wireless communication modules 10;Control circuit 11 There is signal wire to be connected between pressure sensor 4, the straight-tooth on gear 7 is engaged with the straight-tooth on valve rod 3, gear 7 is arranged on electricity On the protrusion axle of machine 8, there is the bin of placement control circuit 11, motor 8, battery 8 and GRS wireless communication modules 10 in valve body 2;Valve There is the outlet 5 that entrance 6 and fluid that fluid enters flow out on body 2.
Fluid is flowed into from the entrance 6 on valve body 2, is flowed out from outlet 5.Pressure sensor 4 passes through the pressure value detected Signal wire is transferred to control circuit 11, and the pressure value that control circuit 11 detects pressure sensor 4 is entered with default safety value Row compares.
If the pressure value that pressure sensor 4 is detected is less than or equal to default safety value, governor circuit 11 passes through GPRS Wireless communication module 10 transmits real-time aperture and pressure data to the computer of staff;
If the pressure value that pressure sensor 4 is detected is more than default safety value, the motor 8 of governor circuit 11 drives Gear 7 so that valve rod 3 is raised above, the pressure that increase is dammed in valve opening, and then reduction valve body 2;Meanwhile, governor circuit 11 Alarm signal is sent to the computer of staff by GPRS wireless communication modules 10, points out staff's shutoff valve to occur It is abnormal.
Realize the function of superpressure automatic pressure-reducing and alarm.
Embodiment 2:
Compared to embodiment 1, governor circuit 11 is set to constant voltage mode.
The pressure value detected is transferred to control circuit 11 by pressure sensor 4 by signal wire, and control circuit 11 will be pressed The pressure value that force snesor 4 is detected is compared with preset pressure value.
When the pressure value that pressure sensor 4 is detected is equal to preset pressure value, governor circuit 11 passes through GPRS channel radios Believe that module 10 transmits real-time aperture and pressure data to the computer of staff;
When the pressure value that pressure sensor 4 is detected is more than preset pressure value, the motor 8 of governor circuit 11 drives tooth Wheel 7 so that valve rod 3 is raised above, increases valve opening of damming, and then reduces the pressure in valve body 2 to preset pressure value, meanwhile, Governor circuit 11 sends abnormal signal by GPRS wireless communication modules 10 to the computer of staff;
When the pressure value that pressure sensor 4 is detected is less than preset pressure value, the motor 8 of governor circuit 11 drives tooth Wheel 7 so that the falls downward of valve rod 3, reduces valve opening of damming, and then increases the pressure in valve body 2 to preset pressure value, meanwhile, Governor circuit 11 sends abnormal signal by GPRS wireless communication modules 10 to the computer of staff;
When the pressure value that pressure sensor 4 is detected is not equal to preset pressure value in continuous 10 minutes, governor circuit 11 leads to Cross GPRS wireless communication modules 10 and send alarm signal to the computer of staff, point out staff's shutoff valve event occur Barrier.
Staff can change preset pressure value at any time by computer.
Realize the function of automatic constant-pressure.
Embodiment 3:
Compared to embodiment 1, the expectation aperture that governor circuit 11 is inputted on computers according to staff adjusts valve rod 3 Position.
Desired aperture is inputted computer by staff, and computer transmits signal by GPRS wireless communication modules 10 To governor circuit 11.
Governor circuit 11 calculates the position of expectation aperture bottom spool 3 according to aperture is expected.
When the current aperture of shutoff valve, which is less than, expects aperture, the motor 8 of governor circuit 11 is slowly carried with moving gear 7 Rise the rack that tooth pitch is 0.5mm, and then poppet stem 3, increase dams valve opening to expecting aperture, meanwhile, governor circuit 11 leads to Cross GPRS wireless communication modules 10 and transmit real-time aperture and pressure data to the computer of staff.
When the current aperture of shutoff valve, which is more than, expects aperture, the motor 8 of governor circuit 11 is slowly put with moving gear 7 Lower tooth pitch is 0.5mm rack so that the falls downward of valve rod 3, reduction dams valve opening to expecting aperture, meanwhile, governor circuit 11 transmit real-time aperture and pressure data by GPRS wireless communication modules 10 to the computer of staff.
Realize the function of accurate control aperture and remote control.
Embodiment 4:
The present embodiment adds an auxiliary safety device, auxiliary safety device on the basis of embodiment 1 in water outlet 5 Including traveling nut 12, screen pack 13, piston 14, spring 15, pad 16, sealing ring 17, water outlet mouthpiece 18 and two sections of valve bodies 19, Two sections of valve bodies 19 are connected by traveling nut 12 and valve body 2, and screen pack 13, piston 14 and spring 15 are placed sequentially in and two sections of valves In body 19, gap of the pad 16 when piston 14 is compressed between sealing piston 14 and water outlet mouthpiece 18, water outlet mouthpiece 18 passes through spiral shell Line is connected with two sections of valve bodies 19, and sealing ring 17 is arranged between water outlet mouthpiece 18 and two sections of valve bodies 19.
Fluid is flowed into two sections of valve bodies 19 after delivery port 5 is filtered through screen pack 13;
When the flow of delivery port 5 is in metered flow, fluid can flow directly through two sections of valve bodies 19 from water outlet mouthpiece 18 Go out;
When the flow of delivery port 5 exceeds metered flow, the meeting of piston 14 push the spring 15, makes in the presence of Fluid pressure Obtain piston 14 and block water outlet mouthpiece 18, pad 16 seals up the gap between piston 14 and water outlet mouthpiece 18;
When the flow of delivery port 5 recovers to metered flow, spring force is more than Fluid pressure so that spring 15 is promoted Piston 14, and then water outlet mouthpiece 18 is opened, fluid is flowed into after two sections of valve bodies 19, directly flowed out from water outlet mouthpiece 18.
Auxiliary safety device close after, can restarting can automatically reset, realize two sections flow excess protection Function.
The auxiliary safety device of two sections of protections so that the present invention has dual protection, safer.
Embodiment of above is merely to illustrate the present invention, and not limitation of the present invention, about the common of technical field Technical staff, without departing from the spirit and scope of the present invention, can also make a variety of changes and modification, therefore all Equivalent technical scheme falls within scope of the invention.

Claims (9)

1. a kind of shutoff valve, including closure (1), valve body (2), valve rod (3), sensing device, communicator and control device, its It is characterised by:The closure (1) is connected by screw thread with the valve body (2), and the valve rod (3) is passed through on closure (1) Centre bore, the upper shed through valve body (2) is positioned in valve body (2), the pressure that the control device detects the sensing device Force value is compared with default safety value, when the pressure value that sensing device is detected is less than or equal to default safety value, control Device transmits real-time aperture and pressure data by the communicator to the computer of staff;What sensing device was detected When pressure value is more than default safety value, control device poppet stem (3).
2. a kind of shutoff valve as claimed in claim 1, it is characterised in that:Also include auxiliary safety device, the auxiliary security Device connects including traveling nut (12), screen pack (13), piston (14), spring (15), pad (16), sealing ring (17), water outlet Mouth (18) and two sections of valve bodies (19), two sections of valve bodies (19) connect with valve body (2), and fixed by traveling nut (12), institute State that screen pack (13), piston (14) and spring (15) are successively set on and in two sections of valve bodies (19), the pad (16) is described Gap when piston (14) is compressed between sealing piston (14) and water outlet mouthpiece (18), water outlet mouthpiece (18) passes through screw thread and two sections Valve body (19) is connected, and the sealing ring (17) is arranged between water outlet mouthpiece (18) and two sections of valve bodies (19).
3. a kind of shutoff valve as claimed in claim 1, it is characterised in that:The valve rod (3) is by rack and the valve element of top fuller shape Composition.
4. a kind of shutoff valve as claimed in claim 1, it is characterised in that:The control device include gear (7), motor (8), Battery (9) and control circuit (11), the battery (9) are motor (8), sensing device and control circuit (11) power supply.
5. a kind of shutoff valve as claimed in claim 1, it is characterised in that:The communicator is GPRS wireless communication modules (10)。
6. a kind of shutoff valve as claimed in claim 4, it is characterised in that:Control circuit (11) and GPRS wireless communication modules (10) signal wire is connected between;Control circuit (11) has signal wire to be connected between sensing device.
7. a kind of shutoff valve as claimed in claim 4, it is characterised in that:On straight-tooth and valve rod (3) on the gear (7) Straight-tooth is engaged, and gear (7) is arranged on the protrusion axle of motor (8).
8. a kind of shutoff valve as claimed in claim 1, it is characterised in that:The sensing device is pressure sensor (4).
9. a kind of shutoff valve as claimed in claim 1, it is characterised in that:There is the storehouse of placement control device in the valve body (2) Room;There is the outlet (5) that entrance (6) and fluid that fluid enters flow out on valve body (2).
CN201710699963.9A 2017-08-16 2017-08-16 A kind of shutoff valve Pending CN107289166A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710699963.9A CN107289166A (en) 2017-08-16 2017-08-16 A kind of shutoff valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710699963.9A CN107289166A (en) 2017-08-16 2017-08-16 A kind of shutoff valve

Publications (1)

Publication Number Publication Date
CN107289166A true CN107289166A (en) 2017-10-24

Family

ID=60106947

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710699963.9A Pending CN107289166A (en) 2017-08-16 2017-08-16 A kind of shutoff valve

Country Status (1)

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CN (1) CN107289166A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113074273A (en) * 2021-04-24 2021-07-06 精工阀门集团有限公司 Steam regulating valve capable of being automatically closed

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2447593Y (en) * 2000-10-26 2001-09-12 上海气体阀门总厂 Cut-off valve
CN201588997U (en) * 2009-12-29 2010-09-22 廖新桃 Push type multifunctional gas valve
CN102705552A (en) * 2012-06-13 2012-10-03 章秀容 Pressure regulator with excessive flow auto-closing function by setting maximum flow
CN203176494U (en) * 2013-04-26 2013-09-04 湖南三尖农牧有限责任公司 Vapor pressure stabilization device for fish feed granulator
CN203906970U (en) * 2014-06-25 2014-10-29 吉林市智深科技有限公司 Electromagnetic hydraulic regulating valve
CN204942582U (en) * 2015-07-24 2016-01-06 江苏利文机械有限公司 intelligent control throttle valve
CN105333183A (en) * 2015-11-19 2016-02-17 江西洪都航空工业集团有限责任公司 Actively-controlled safety valve
CN207261755U (en) * 2017-08-16 2018-04-20 宁波艾迪西国际贸易有限公司 A kind of shutoff valve

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2447593Y (en) * 2000-10-26 2001-09-12 上海气体阀门总厂 Cut-off valve
CN201588997U (en) * 2009-12-29 2010-09-22 廖新桃 Push type multifunctional gas valve
CN102705552A (en) * 2012-06-13 2012-10-03 章秀容 Pressure regulator with excessive flow auto-closing function by setting maximum flow
CN203176494U (en) * 2013-04-26 2013-09-04 湖南三尖农牧有限责任公司 Vapor pressure stabilization device for fish feed granulator
CN203906970U (en) * 2014-06-25 2014-10-29 吉林市智深科技有限公司 Electromagnetic hydraulic regulating valve
CN204942582U (en) * 2015-07-24 2016-01-06 江苏利文机械有限公司 intelligent control throttle valve
CN105333183A (en) * 2015-11-19 2016-02-17 江西洪都航空工业集团有限责任公司 Actively-controlled safety valve
CN207261755U (en) * 2017-08-16 2018-04-20 宁波艾迪西国际贸易有限公司 A kind of shutoff valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113074273A (en) * 2021-04-24 2021-07-06 精工阀门集团有限公司 Steam regulating valve capable of being automatically closed
CN113074273B (en) * 2021-04-24 2023-06-06 精工阀门集团有限公司 Steam regulating valve capable of being automatically closed

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