CN105443831B - Bivalve disc type super pressure control valve - Google Patents
Bivalve disc type super pressure control valve Download PDFInfo
- Publication number
- CN105443831B CN105443831B CN201610027025.XA CN201610027025A CN105443831B CN 105443831 B CN105443831 B CN 105443831B CN 201610027025 A CN201610027025 A CN 201610027025A CN 105443831 B CN105443831 B CN 105443831B
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- valve
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- pressure
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
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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
- F16K17/20—Excess-flow valves
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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
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Abstract
The present invention relates to a kind of bivalve disc type super pressure control valve, including main valve and controller, main valve is provided with preceding valve disc in valve body front portion, rear portion is provided with protecting against shock valve disc component, stepper motor is arranged in the mounting seat in valve body, the power transmission shaft front portion of stepper motor is connected with preceding valve disc, rear portion is connected with limiting plate, two half of independent rear valve discs of protecting against shock valve disc component are rotatably connected in connecting shaft, two support side of the torsion spring being sleeved in connecting shaft withstands on respective rear valve disc rear portion, controller receives the pressure signal of the pressure gauge of detection target cabin pressure, and receive pressure signal and contrasted with given threshold, control stepper motor action drives power transmission shaft axial movement and automatically adjusts the pressure in target cabin, controller receives travel switch signal Driving Stepping Motor and preceding valve disc is opened and closed.The present invention is compact-sized, realizes that the steady of differential pressure is released, and can realize that required pressure automatically adjusts, raising functional reliability strong with shock resistance.
Description
Technical field
The present invention relates to a kind of bivalve disc type super pressure control valve, for super pressure control valve technology field.
Background technology
At present, in some specific sealing spaces, such as highly ultra-clean medicament compartment, the aseptic operation of anti-virus entrance
The specific sealing space environment such as room, ship storehouse, to make the toxic and harmful gas of outdoor cannot be introduced into interior, so the indoor beginning must be made
The relatively outdoor ultra-miniature pressure for being higher by below 800Pa is kept eventually, indoor occupant still can in the case where bearing slight pressure
It is normally carried out work and life.Blow vent is installed for this on locular wall of these sealing spaces, and on blow vent or breather pipe
Control valve is installed, room air is changed, to keep office work personnel can long-term work and life.
Differential pressure control valve used at present is single valve tray type structure, and single valve disc type control valve has structure
Product it is larger and when inside occur surge when, there is resist the problem of impact capacity is weaker.Single valve disc type control valve simultaneously
Under for the relief situation of Wind Volume and big flow velocity, the noise uttered long and high-pitched sounds easily is produced at control valve, and causes workpiece ring
The deterioration in border.
The content of the invention
It is an object of the invention to provide a kind of compact-sized, realize that the steady of differential pressure is released, can realize needed for pressure
Automatically adjust, have shock resistance strong, the bivalve disc type super pressure control valve of functional reliability can be improved.
The present invention is that the technical scheme for reaching above-mentioned purpose is：A kind of bivalve disc type super pressure control valve, it is characterised in that：Bag
Main valve and controller are included, described main valve includes valve body, is arranged on the anterior preceding valve disc of valve body, the protecting against shock valve disc component at rear portion
And the stepper motor in valve body, the front side of the valve body are provided with rear valve port provided with preceding valve port, rear side, sealing ring bag is in preceding valve port
On rear valve port；There is mounting seat, stepper motor is arranged in mounting seat, and the power transmission shaft front portion of stepper motor is connected with valve body
Preceding valve disc, rear portion are connected with limiting plate, the aperture of valve disc before preceding valve disc is adjusted with the axial movement of power transmission shaft, and limiting plate is synchronous
With power transmission shaft movement and for being contacted with the travel switch in valve body, to trigger the keying of valve disc before travel switch is sent
Signal；Described protecting against shock valve disc component includes two half independent rear valve disc, connecting shaft and torsion springs, and connecting shaft is radially connected
At the rear portion of valve body, rear valve disc is rotatably connected in connecting shaft, and two support side of the torsion spring being sleeved in connecting shaft is withstood on respectively
From rear valve disc rear portion and control after valve disc aperture；Described controller receives the pressure of the pressure gauge of detection target cabin pressure
Force signal, and receive pressure signal and given threshold and contrast, control stepper motor action drive power transmission shaft axial movement and automatic
The pressure in target cabin is adjusted, controller receives travel switch signal Driving Stepping Motor and preceding valve disc is opened and closed.
Wherein：The power transmission shaft is anterior to be provided with supporting disk, and preceding valve disc is arranged on supporting disk by fastener.
The front portion that the power transmission shaft is located at supporting disk is provided with thread spindle, thread spindle through preceding valve disc mounting hole and with locking
Nut locking.
Described rear valve disc is additionally provided with the axle sleeve to match with connecting shaft, and the baffle plate of axle sleeve side is fixedly connected with rear valve disc,
Axle sleeve is sleeved in connecting shaft, and after two between valve disc angle at 70~120 °.
The rear portion of the valve body is provided with rear protecting wire net cover, and connecting shaft radially installed is in the front side of rear protecting wire net cover.
The valve body front portion is provided with preceding protection net.
The rear portion of the valve body has mounting flange, and trim ring is sealingly mounted at the rear end of mounting flange by fastener
Face, and the mounting hole of trim ring endoporus and valve seat matches.
The bivalve disc type super pressure control valve of the present invention using main valve and and controller, be provided with preceding valve the valve body of main valve is anterior
Disk, rear portion are provided with protecting against shock valve disc, compact-sized, and preceding valve disc is controlled by the power transmission shaft on the stepper motor in valve body,
Therefore the size that valve disc is opened, when pressure trend increases, preceding valve disc can be controlled by controller Driving Stepping Motor
Aperture increases, and when pressure trend reduces, preceding valve disc aperture reduces, and can be realized according to the pressure change in target cabin certainly
Dynamic regulation, ensure that cabin pressure is stable in the range of design requirement.The present invention is provided with protecting against shock valve disc, protecting against shock at valve body rear portion
Two independent rear valve discs on valve disc are arranged on valve body rear portion by connecting shaft, two of the torsion spring being sleeved in connecting shaft
Valve disc rear portion after support side is withstood on each, by the aperture of valve disc after the moment of torsion control of the both direction of torsion spring, can put down air-flow
Surely enter in cabin.The present invention can realize the flat of differential pressure by controlling the aperture of preceding valve disc and the aperture of rear valve disc respectively
Surely release, and under the guide effect of rear valve disc so that gas flow is smooth, especially in the feelings of releasing to Wind Volume, big flow velocity
Under condition, noise can be considerably reduced, preferably cabin pressure is controlled.Valve disc controls it to open using torsion spring after the present invention
Degree, in the case of the gas pressure of cabin interior is increased suddenly, after rear valve disc can be fitted in rapidly in the presence of air-flow
Closed automatically on the sealing ring of valve port, therefore impact can be resisted, can substantially reduced caused by impact to the damage of valve member inner body
Evil.The present invention at power transmission shaft rear portion is connected with limiting plate, logical when stepper motor moves to maximum or most under the control of the controller
During small position, limiting plate can touch the travel switch installed in valve inner, pass through the keying row of valve disc before step motor control
Journey, Stroke Control is reliable, and because stroke is adjustable, control is flexible.
Brief description of the drawings
Embodiments of the invention are described in further detail below in conjunction with the accompanying drawings.
The structural representation of Fig. 1 bivalve disc type super pressure control valves of the present invention.
Fig. 2 is Fig. 1 overlooking the structure diagram.
Fig. 3 is Fig. 1 A to structural representation.
Fig. 4 is the control principle drawing of the present invention.
Wherein：1-preceding protection net, 2-valve body, 2-1-preceding valve port, 2-2-rear valve port, 2-3-mounting seat, 2-4-
Mounting flange, 2-5-fenestra, 3-sealing ring, 4-preceding valve disc, 5-gasket seal, 6-cover plate, 7-installing plate, 8-OK
Cheng Kaiguan, 9-rear protecting wire net cover, 10-rear valve disc, 10-1-axle sleeve, 10-2-baffle plate, 11-locking nut, 12-stepping electricity
Machine, 12-1-power transmission shaft, 12-2-supporting disk, 13-limiting plate, 14-fastener, 15-pad, 16-trim ring, 17-connection
Axle, 18-torsion spring.
Embodiment
The bivalve disc type super pressure control valve of the present invention, including main valve and controller.As shown in Fig. 1~3, main valve of the invention
Including valve body 2, be arranged on the anterior preceding valve disc 4 of valve body 2, rear portion protecting against shock valve disc component and valve body 2 in stepper motor
12.As shown in Fig. 1,2, the front side of valve body 2 of the present invention is provided with rear valve port 2-2 provided with preceding valve port 2-1, rear side, and sealing ring 3 is wrapped preceding
On valve port 2-1 and rear valve port 2-2, the front portion of valve body 2 is provided with preceding protection net 1, can prevent bulk foreign matter from entering in valve body 2.See
Shown in Fig. 1, the rear side of sealing ring 3 of the present invention have lip, current valve disc 4 be pressed in before valve port 2-1 sealing ring 3 lip on and
Main valve front portion can be closed；When after the lip of sealing ring 3 that is pressed on rear valve port 2-2 of valve disc 10 on and close main valve rear portion, closing
When closing rear valve disc 10, it can resist internal to the impact of zero inside valve body 2, raising functional reliability.
As shown in Fig. 1,2, in valve body 2 of the present invention there is mounting seat 2-3, mounting seat 2-3 to be formed integrally with valve body 2, or it is logical
Cross fastener or be welded in valve body 2, stepper motor 12 is arranged on mounting seat 2-3, before the power transmission shaft 12-1 of stepper motor 12
Portion is connected with preceding valve disc 4, rear portion is connected with limiting plate 13, and preceding valve disc 4 is with valve disc 4 before power transmission shaft 12-1 axial movement regulation
Aperture, limiting plate 13 is synchronous mobile with power transmission shaft 12-1 and for being contacted with the travel switch 8 in valve body 2, with triggering
The keying signal of valve disc 4 before travel switch 8 is sent.When cabin gas pressure change trend increases, controller control stepping electricity
Machine 12 makes power transmission shaft 12-1 be moved rearwards the aperture of valve disc 4 increasing before control；When pressure trend reduces, power transmission shaft is controlled
12-1 is moved forward, and the aperture of valve disc 4 reduces before making, and controls stepper motor 12 to drive power transmission shaft 12-1 axially to move by controller
It is dynamic, the big minor adjustment of the aperture of valve disc 4 before realizing.When the power transmission shaft 12-1 on stepper motor 12 is moved to maximum position or minimum
During position, limiting plate 13 can touch the travel switch 8 inside valve body 2, and letter is issued to controller by travel switch 8
Number, controller receives travel switch signal Driving Stepping Motor 12 and preceding valve disc 4 is turned on and off.As shown in Fig. 1,2, the present invention
Fenestra 2-5 is provided with valve body 2, cover plate 6 is arranged at the fenestra 2-5 of valve body 2 by gasket seal 5 and blocks fenestra 2-5, is pacified
Loading board 7 is arranged in valve body 2 by fastener, and travel switch 8 is arranged on installing plate 7, can be by adjusting the position of travel switch 8
Put regulation and open and close stroke, can facilitate that stroke is adjustable, control is flexible.
As shown in Figure 1, power transmission shaft 12-1 of the present invention is anterior is provided with supporting disk 12-2, and preceding valve disc 4 is arranged on by fastener
On supporting disk 12-2, it can facilitate and preceding valve disc 4 is arranged on power transmission shaft 12-1, and can be carried by supporting disk 12-2 to preceding valve disc 4
For installing bearing-surface, the front portion that power transmission shaft 12-1 is located at supporting disk 12-2 is provided with thread spindle, and thread spindle passes through the installation of preceding valve disc 4
Kong Bingyong locking nuts 11 lock, and valve disc 4 is very convenient before installation.
As shown in Fig. 1,3, protecting against shock valve disc component of the invention include two half of independent rear valve discs 10, connecting shaft 17 with
And torsion spring 18, connecting shaft 17 are radially connected radially connected in the rear portion of valve body 2, connecting shaft 17 in the rear portion of valve body 2, connecting shaft 17
Through the axial line of valve body 2, valve disc 10 is in symmetrical structure after making two, and rear valve disc 10 is rotatably connected in connecting shaft 17, makes rear valve
Disk 10 is along the center rotating of connecting shaft 17, after two support sides of the torsion spring 18 being sleeved in connecting shaft 17 are withstood on each after valve disc 10
The aperture of valve disc 10 behind portion and control, as shown in Figure 3, by being symmetrical arranged from centre, the middle part shape of torsion spring 19 exists torsion spring 18 of the present invention
After one support side withstands on one on valve disc 10, and the both ends of torsion spring 18 form another support side and withstand on another rear valve disc 10
On, identical moment of torsion or different moments of torsion can be applied, with the aperture of valve disc after control 10.
As shown in Figure 3, valve disc 10 is additionally provided with the axle sleeve 10-1 to match with connecting shaft 17 after the present invention, axle sleeve 10-1 sides
Baffle plate 10-2 is fixedly connected with rear valve disc 10, and axle sleeve 10-1 is sleeved in connecting shaft 17, enables axle sleeve 10-1 along 17 turns of connecting shaft
It is dynamic, under two support sides effect of torsion spring 18, after making two between valve disc 10 angle α at 70~120 °, as angle α 80~
110 °, or angle α shunted and is oriented to gas in the exit of valve body 2 by rear valve disc 10, make gas at 85~95 °
Pressure is steadily released, and reduces whistler of the gas by valve body 2.When gas pressure increases suddenly when cabin, make impact gas
When flowing pressure is more than the pressure of charge air flow, rear valve disc 10 can press to rear valve port 2-2 sealing ring 3 rapidly, and valve disc after realizing
10 automatic closing, the impact of inside is resisted, infringement when being impacted to reduce to the inner body of valve body 2.
As shown in Fig. 1~3, the rear portion of valve body 2 of the present invention is provided with rear protecting wire net cover 9, and rear protecting wire net cover 9 has adpting flange,
Fastener 14 is arranged on the mounting flange 2-4 at the rear portion of valve body 2 by the adpting flange of rear protecting wire net cover 9, and connecting shaft 17 is radially
Installed in the front side of rear protecting wire net cover 9, valve disc 10 after two is arranged in connecting shaft 17, makes rear protecting wire net cover 9, rear valve disc 10 and even
Spindle 17 and torsion spring 18 form protecting against shock valve disc component, are easy to produce and install.As shown in Fig. 1,2, the rear portion of valve body 2 of the present invention
With mounting flange 2-4, trim ring 16 is sealingly mounted at mounting flange 2-4 rear end face by fastener 14, in connection method
Pad 15 can be also provided between blue disk 2-4 and trim ring 16, and the mounting hole of the endoporus of trim ring 16 and valve seat matches, it is easy for installation.
As shown in Figure 4, controller of the present invention receives the pressure signal of the pressure gauge of detection target cabin pressure, and receives pressure
Force signal contrasts with given threshold, and the control action of stepper motor 12 drives power transmission shaft 12-1 axial movements and automatically adjusts target cabin
The pressure of room, controller receive travel switch signal Driving Stepping Motor 12 and preceding valve disc 4 are opened and closed.The controller of the present invention uses
Existing PCL, controller receive 4-20mA of pressure gauge current signal (equivalent to 0-1000Pa of cabin superpressure), Ran Houyou
A/D modular converters convert it to electric signal, by PLC PID programme-control, calculate the difference of the detected value and given threshold
Value, and corresponding motor drive signal is exported, valve disc 4 is opened big before the drive power transmission shaft 12-1 controls of Driving Stepping Motor 12
It is small, with automatically adjusting for pressure needed for realization, ensure that cabin pressure is stable in the range of design requirement.And when stepper motor 12 exists
When moving to maximum or minimum position under controller control, limiting plate 13 can touch travel switch 8, and valve disc 4 before controlling
Open and close.The bivalve disc type super pressure control valve of the present invention can automatically adjust to flow, and flow adjustment range is in 0-450m3/ h,
Shock wave resistance superpressure >=70kPa, super pressure control value can be controlled in 500Pa, and pressure difference control accuracy can realize differential pressure in ± 10Pa
Steady release.
Claims (7)
- A kind of 1. bivalve disc type super pressure control valve, it is characterised in that：Including main valve and controller, described main valve includes valve body (2), be arranged on the anterior preceding valve disc (4) of valve body (2), rear portion protecting against shock valve disc component and valve body (2) in stepper motor (12), the front side of the valve body (2) is provided with preceding valve port (2-1), rear side is provided with rear valve port (2-2), and sealing ring (3) is wrapped in preceding valve port On (2-1) and rear valve port (2-2)；There is mounting seat (2-3) in valve body (2), stepper motor (12) is arranged on mounting seat (2-3) On, power transmission shaft (12-1) front portion of stepper motor (12) is connected with preceding valve disc (4), rear portion is connected with limiting plate (13), preceding valve disc (4) aperture of preceding valve disc (4) is adjusted with the axial movement of power transmission shaft (12-1), limiting plate (13) is synchronous with power transmission shaft (12-1) Move and be used to contact with the travel switch (8) in valve body (2), preceding valve disc (4) is sent to trigger travel switch (8) Keying signal；Described protecting against shock valve disc component includes two half of independent rear valve discs (10), connecting shaft (17) and torsion spring (18), connecting shaft (17) is radially connected is rotatably connected in connecting shaft (17) in the rear portion of valve body (2), rear valve disc (10), suit Valve disc (10) after torsion spring (18) two support side in connecting shaft (17) withstands on respective rear valve disc (10) rear portion and controlled Aperture；Described controller receives the pressure signal of the pressure gauge of detection target cabin pressure, and receives pressure signal with setting Determine threshold comparison, control stepper motor (12) action drives power transmission shaft (12-1) axial movement and automatically adjusts the pressure in target cabin Power, controller receive travel switch signal Driving Stepping Motor (12) and preceding valve disc (4) are opened and closed.
- 2. bivalve disc type super pressure control valve according to claim 1, it is characterised in that：Power transmission shaft (12-1) front portion is set There is supporting disk (12-2), preceding valve disc (4) is arranged on supporting disk (12-2) by fastener.
- 3. bivalve disc type super pressure control valve according to claim 2, it is characterised in that：The power transmission shaft (12-1) is positioned at branch The front portion of tray (12-2) is provided with thread spindle, and thread spindle passes through the mounting hole of preceding valve disc (4) and locked with locking nut (11).
- 4. bivalve disc type super pressure control valve according to claim 1, it is characterised in that：Described rear valve disc (10) is additionally provided with The axle sleeve (10-1) to match with connecting shaft (17), the baffle plate (10-2) of axle sleeve (10-1) side are fixedly connected with rear valve disc (10), Axle sleeve (10-1) is sleeved in connecting shaft (17), and after two between valve disc (10) angle at 70~120 °.
- 5. bivalve disc type super pressure control valve according to claim 1, it is characterised in that：The rear portion installation of the valve body (2) There is rear protecting wire net cover (9), connecting shaft (17) radially installed is in the front side of rear protecting wire net cover (9).
- 6. bivalve disc type super pressure control valve according to claim 1, it is characterised in that：Valve body (2) front portion is provided with Preceding protection net (1).
- 7. bivalve disc type super pressure control valve according to claim 1, it is characterised in that：The rear portion of the valve body (2) has Mounting flange (2-4), trim ring (16) is sealingly mounted at mounting flange (2-4) rear end face by fastener (14), and presses The mounting hole for enclosing (16) endoporus and valve seat matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610027025.XA CN105443831B (en) | 2016-01-15 | 2016-01-15 | Bivalve disc type super pressure control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610027025.XA CN105443831B (en) | 2016-01-15 | 2016-01-15 | Bivalve disc type super pressure control valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105443831A CN105443831A (en) | 2016-03-30 |
| CN105443831B true CN105443831B (en) | 2018-02-06 |
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ID=55554347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610027025.XA Active CN105443831B (en) | 2016-01-15 | 2016-01-15 | Bivalve disc type super pressure control valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN105443831B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU205108U1 (en) * | 2020-10-30 | 2021-06-28 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Керченский государственный морской технологический университет" (ФГБОУ ВО "КГМТУ") | SAFETY VALVE FOR CANDLES OF MARINE AUTO FILTERS |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681690B (en) * | 2018-12-28 | 2021-02-02 | 常州市汇丰船舶附件制造有限公司 | Speed reducer of intelligent valve actuator |
| CN114063665B (en) * | 2021-11-23 | 2024-02-09 | 合肥杜威智能科技股份有限公司 | Pressure difference control device in airtight cabin |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103727279A (en) * | 2013-12-23 | 2014-04-16 | 新乡市平原工业滤器有限公司 | Rescue capsule and regulating method for internal pressure of rescue capsule |
| CN103968133A (en) * | 2014-04-30 | 2014-08-06 | 中国舰船研究设计中心 | Overpressure remote control discharge valve |
| CN204328091U (en) * | 2014-11-28 | 2015-05-13 | 王岳兔 | A kind of safety check of small-sized axial flow fan |
| CN205371754U (en) * | 2016-01-15 | 2016-07-06 | 常州市汇丰船舶附件制造有限公司 | Bivalve disk superpressure control valve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4461539B2 (en) * | 1999-12-27 | 2010-05-12 | パナソニック株式会社 | Shut-off valve |
-
2016
- 2016-01-15 CN CN201610027025.XA patent/CN105443831B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103727279A (en) * | 2013-12-23 | 2014-04-16 | 新乡市平原工业滤器有限公司 | Rescue capsule and regulating method for internal pressure of rescue capsule |
| CN103968133A (en) * | 2014-04-30 | 2014-08-06 | 中国舰船研究设计中心 | Overpressure remote control discharge valve |
| CN204328091U (en) * | 2014-11-28 | 2015-05-13 | 王岳兔 | A kind of safety check of small-sized axial flow fan |
| CN205371754U (en) * | 2016-01-15 | 2016-07-06 | 常州市汇丰船舶附件制造有限公司 | Bivalve disk superpressure control valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU205108U1 (en) * | 2020-10-30 | 2021-06-28 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Керченский государственный морской технологический университет" (ФГБОУ ВО "КГМТУ") | SAFETY VALVE FOR CANDLES OF MARINE AUTO FILTERS |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105443831A (en) | 2016-03-30 |
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| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Double disc overpressure control valve Effective date of registration: 20230418 Granted publication date: 20180206 Pledgee: Industrial and Commercial Bank of China Limited Changzhou Economic Development Zone sub branch Pledgor: CHANGZHOU HUIFENG MARINE ACCESSORY PRODUCE CO.,LTD. Registration number: Y2023980038277 |
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