CN105937646B - A kind of intelligent gas meter motor valve - Google Patents
A kind of intelligent gas meter motor valve Download PDFInfo
- Publication number
- CN105937646B CN105937646B CN201610505297.6A CN201610505297A CN105937646B CN 105937646 B CN105937646 B CN 105937646B CN 201610505297 A CN201610505297 A CN 201610505297A CN 105937646 B CN105937646 B CN 105937646B
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- Prior art keywords
- magnetic drive
- motor
- valve
- screw rod
- train
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Classifications
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
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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
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/005—Valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Mechanically-Actuated Valves (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Abstract
A kind of intelligent gas meter motor valve disclosed by the invention, including valve member and electric machine assembly, valve member include valve body, seal closure, nut and screw rod, and seal closure, nut and screw rod are equipped in valve body；Electric machine assembly includes valve seat, motor and train of reduction gears, and motor and train of reduction gears are installed in valve seat；Valve body is fixedly connected with valve seat, the output end of train of reduction gears is provided with main magnetic drive, the bottom end of screw rod is provided with secondary magnetic drive, main magnetic drive connect with secondary magnetic drive magnetic coupling, and be hermetically provided with to be isolated main magnetic drive and pair magnetic drive between valve body and valve seat is isolated lid；When motor works, train of reduction gears drives secondary magnetic drive to rotate by main magnetic drive, and then drives screw rod rotation by secondary magnetic drive.The configuration of the present invention is simple is reasonable, and motor working chamber is completely isolated with working media, and stable and reliable working performance, service life is longer, and security performance is higher.
Description
Technical field
The present invention relates to valve class technical field, more particularly to a kind of intelligent gas meter motor valve.
Background technology
Intelligent fuel gas table generally use motor valve controls the open and close of gas meter, flow meter as executing agency.Often at present
The structure for the intelligent gas meter motor valve seen includes mainly valve body, valve seat, valve deck, motor, train of reduction gears, screw rod and sealing
Cover, valve body is fixedly connected by valve deck with valve seat, and motor and train of reduction gears are corresponded to and be installed in valve seat, the top of screw rod with it is close
Sealing cover is sequentially connected, and the bottom end of screw rod passes through valve deck and is sequentially connected with train of reduction gears, and the top of valve body is equipped with and seal closure
Corresponding valve port.When work, motor drives screw rod to rotate by train of reduction gears, and then drives seal closure along the axial direction of screw rod
Movement, to achieve the effect that control valve port opening and closing.Specifically also can be found in Authorization Notice No. is one disclosed in CN201339750Y
Kind motor valve for gas meter.
However the defect of above-mentioned gas meter motor valve is：First, when seal closure is moved up along the axial direction of screw rod, seal closure
Negative pressure is easy tod produce between valve deck so that the output torque of motor is not enough to overcome the vacuum force, leads to seal closure not
It can rise, so as to cause motor valve cisco unity malfunction；Second, when seal closure is punctured, combustion gas is easy through valve deck and screw rod
Between gap enter in valve seat, not only be easy to cause the generation of safety accident, be also easy to cause the corrosion of motor, affect electricity
The service life of machine valve；Third moves to the limit since motor directly drives seal closure axial movement by screw rod in seal closure
When position (highest order or lowest order), stall phenomenon can occur for motor, influence the service life of motor.
Invention content
In view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of intelligent gas meter motor valve,
Simple and reasonable, stable and reliable working performance, service life is longer, and security performance is higher.
To achieve the above object, the present invention uses following technical scheme：
A kind of intelligent gas meter motor valve of the present invention, including valve member and electric machine assembly, the valve member
It is set to above the electric machine assembly；The valve member includes valve body, seal closure, nut and screw rod, is distinguished on the valve body
Equipped with air inlet and gas outlet, the seal closure, the nut and the screw rod are set in the valve body, the nut and institute
Screw flight cooperation is stated, the seal closure is set on the nut；The electric machine assembly includes valve seat, motor and reduction gearing
Group, the motor and the train of reduction gears are installed in the valve seat, the shaft of the motor and the train of reduction gears
Input terminal is sequentially connected；
The valve body is fixedly connected with the valve seat, and the output end of the train of reduction gears is provided with main magnetic drive,
The bottom end of the screw rod is provided with secondary magnetic drive, and the main magnetic drive connects with the secondary magnetic drive magnetic coupling
It connects, is hermetically provided with that the main magnetic drive and the secondary Magnetic drive dress is isolated between the valve body and the valve seat
The isolation lid set；When the motor is actuated, the train of reduction gears drives the secondary magnetic to pass by the main magnetic drive
Dynamic device rotation, and then drive the screw rod to rotate by the secondary magnetic drive.
Further, mounting base, the isolation lid and the mounting base are provided between the isolation lid and the motor
Between be provided with the first central shaft, the main magnetic drive includes the main neck bush being fixedly connected sequentially from the inside to the outside, main magnetic
Ring and driven gear, the main neck bush are sheathed on the outside of first central shaft, the driven gear and the reducing gear
The output end of wheel group is sequentially connected；The pair magnetic drive includes the secondary neck bush being fixedly connected sequentially from the inside to the outside, secondary magnetic
Ring and plastic, the pair neck bush are fixedly connected with the screw rod.
Further, mounting base, the isolation lid and the mounting base are provided between the isolation lid and the motor
Between be provided with the first central shaft, the main magnetic drive includes the driven gear being sheathed on outside first central shaft,
The driven gear and the output end of the train of reduction gears are sequentially connected, and the driven gear is internally provided with several main magnetic
Steel；The pair magnetic drive includes the linkage disk being fixedly connected with the screw rod, and being internally provided with for the linkage disk is several
With the main magnet steel secondary magnet steel correspondingly.
Further, the second central shaft, the train of reduction gears packet are provided between the isolation lid and the mounting base
The secondary gear for including the one-stage gear being set on the machine shaft, being installed on second central shaft, the secondary gear
Tertiary gear is fixedly connected on wheel, the one-stage gear is engaged with the secondary gear, the tertiary gear with it is described driven
Gear engages.
Further, the isolation covers end face and is provided with centralized positioning column, the bottom of the screw rod be socketed on it is described in
The outside of heart positioning column.
Further, the upper surface of the isolation lid is provided with the annular groove for placing the secondary magnetic drive.
Further, the connecting seat being sheathed on outside the screw rod, the outer rim of the connecting seat are provided in the valve body
To set on the valve body with it is described be isolated lid between, the upper surface of the connecting seat is provided with bulge loop, the bottom of the seal closure
It is socketed on the outside of the bulge loop.
Further, it is equipped with sealing ring between the valve body, the valve seat and isolation lid.
Further, the bottom of the valve seat is provided with binding post, is set between the inner end of the binding post and the valve seat
It is equipped with sealing-plug.
Beneficial effects of the present invention are：Intelligent gas meter motor valve provided by the invention, by fixing valve body and valve seat
Connection, and hermetically lid is isolated in setting between valve body and valve seat, and seal closure and screw rod is made to be isolated in the outside of electric machine assembly, when
When seal closure is moved up along the axial direction of screw rod, the combustion gas in air inlet can be flowed into the inside of seal closure from the bottom of seal closure,
So as to prevent from generating negative pressure inside seal closure, the normal work of valve entirety ensure that so that working performance of the invention is steady
It is fixed reliable；In addition, due to being provided with isolation lid, the inside of electric machine assembly forms independent insulating space so that combustion gas will not
The inside of electric machine assembly is flowed into, even if seal closure is punctured, combustion gas will not enter in valve seat, to both ensure that use
Safety, yet effectively prevent motor and corroded by combustion gas, extend service life；The present invention is by using magnetic-coupled
The kind of drive, when seal closure moves to extreme position under the driving of screw rod, main magnetic drive is filled with secondary Magnetic drive at this time
Slipping phenomenon will occur between setting so that motor can drive train of reduction gears to dally, and avoid the hair of motor rotation blockage phenomenon
It is raw, to protect motor.
Description of the drawings
Fig. 1 is the whole schematic cross-sectional view under the first embodiment of the invention；
Fig. 2 is the whole schematic cross-sectional view under second of embodiment of the invention.
In Fig. 1 and Fig. 2：
1, valve body；11, air inlet；12, gas outlet；2, seal closure；3, nut；4, screw rod；5, valve seat；6, motor；7, every
From lid；71, centralized positioning column；72, annular groove；8, mounting base；9, the first central shaft；101, main neck bush；102, main magnet ring；103,
Driven gear；104, main magnet steel；111, secondary neck bush；112, secondary magnet ring；113, plastic；114, link disk；115, secondary magnet steel；
13, the second central shaft；141, one-stage gear；142, secondary gear；143, tertiary gear；15, connecting seat；151, bulge loop；16, close
Seal ring；17, binding post；18, sealing-plug.
Specific implementation mode
The present invention will be further described below with reference to the drawings.
A kind of intelligent gas meter motor valve as depicted in figs. 1 and 2, including valve member and electric machine assembly, valve member
It is set to above electric machine assembly；Valve member includes valve body 1, seal closure 2, nut 3 and screw rod 4, and air inlet is respectively equipped on valve body 1
Mouth 11 and gas outlet 12, seal closure 2, nut 3 and screw rod 4 are set in valve body 1, nut 3 and 4 screw-thread fit of screw rod, seal closure 2
It is set on nut 3；Electric machine assembly includes valve seat 5, motor 6 and train of reduction gears, and motor 6 and train of reduction gears are installed in valve seat
In 5, the shaft of motor 6 and the input terminal of train of reduction gears are sequentially connected.
Valve body 1 is fixedly connected with valve seat 5, and the output end of train of reduction gears is provided with main magnetic drive, the bottom end of screw rod 4
It is provided with secondary magnetic drive, main magnetic drive connect with secondary magnetic drive magnetic coupling, sealed between valve body 1 and valve seat 5
What ground was provided with to be isolated main magnetic drive and secondary magnetic drive is isolated lid 7；When motor 6 works, train of reduction gears
Secondary magnetic drive rotation is driven by main magnetic drive, drives screw rod 4 to rotate by secondary magnetic drive, and then by screw rod 4
It drives seal closure 2 to move axially, is opened and closed to achieve the effect that control gas outlet 12.
Intelligent gas meter motor valve provided by the invention, by the way that valve body 1 to be fixedly connected with valve seat 5, and in valve body 1 and valve
Hermetically lid 7 is isolated in setting between seat 5, so that seal closure 2 and screw rod 4 is isolated in the outside of electric machine assembly, when seal closure 2 is along screw rod
When 4 axial direction moves up, the combustion gas in air inlet 11 can be flowed into the inside of seal closure 2 from the bottom of seal closure 2, so as to
It prevents 2 inside of seal closure from generating negative pressure, ensure that the normal work of valve entirety so that stable and reliable working performance of the invention；
In addition, due to being provided with isolation lid 7, the inside of electric machine assembly is formed with independent insulating space so that combustion gas may not flow into
The inside of electric machine assembly, even if seal closure 2 is punctured, combustion gas will not enter in valve seat 5, to both ensure that the peace used
Quan Xing yet effectively prevents motor 6 and is corroded by combustion gas, extends service life；The present invention is by using magnetic-coupled biography
Flowing mode, when moving to extreme position under driving of the seal closure 2 in screw rod 4, main magnetic drive is filled with secondary Magnetic drive at this time
Slipping phenomenon will occur between setting so that motor 6 can drive train of reduction gears to dally, and avoid 6 stall phenomenon of motor
Occur, to protect motor 6.
As one embodiment of the present invention, referring to Fig. 1, it is isolated between lid 7 and motor 6 and is provided with mounting base 8, be isolated
The first central shaft 9 is provided between lid 7 and mounting base 8, main magnetic drive includes in the master being fixedly connected sequentially from the inside to the outside
Bushing 101, main magnet ring 102 and driven gear 103, main neck bush 101 are sheathed on the outside of the first central shaft 9, driven gear 103
It is sequentially connected with the output end of train of reduction gears；Secondary magnetic drive includes the secondary neck bush being fixedly connected sequentially from the inside to the outside
111, secondary magnet ring 112 and plastic 113, secondary neck bush 111 is fixedly connected with screw rod 4.
When train of reduction gears works, driven gear 103 drives main magnet ring 102 correspondingly to be rotated with train of reduction gears, main magnetic
Ring 102 drives secondary magnet ring 112 to rotate while rotation further through magneticaction, and then screw rod 4 is driven correspondingly to rotate.Main magnetic
Ring 102 and secondary magnet ring 112 are preferably made using quadrupole magnet ring, and magnetic property is preferable, and Magnetic drive effect is preferable.
As another embodiment of the invention, referring to Fig. 2, it is isolated between lid 7 and motor 6 and is provided with mounting base 8, every
From being provided with the first central shaft 9 between lid 7 and mounting base 8, main magnetic drive include be sheathed on outside the first central shaft 9 from
Moving gear 103, driven gear 103 and the output end of train of reduction gears are sequentially connected, and being internally provided with for driven gear 103 is several
Main magnet steel 104；Secondary magnetic drive includes the linkage disk 114 being fixedly connected with screw rod 4, if linkage disk 114 is internally provided with
The dry one-to-one secondary magnet steel 115 with main magnet steel 104.When driven gear 103 is rotated with train of reduction gears, driven gear 103
On several main magnet steel 104 can also rotate synchronously, main magnet steel 104 will further pass through secondary magnet steel 115 drive linkage 114 turns of disk
It is dynamic, and then screw rod 4 is driven correspondingly to rotate.
The second central shaft 13 is provided between isolation lid 7 and mounting base 8, train of reduction gears includes being set to 6 shaft of motor
On one-stage gear 141, the secondary gear 142 that is installed on the second central shaft 13, be fixedly connected with three-level on secondary gear 142
Gear 143, one-stage gear 141 are engaged with secondary gear 142, and tertiary gear 143 is engaged with driven gear 103.Motor 6 works
When, the shaft of motor 6 drives one-stage gear 141 to rotate, one-stage gear 141 and then the drive rotation of secondary gear 142, secondary gear
142 further drive tertiary gear 143 to rotate, and then drive driven gear 103 to rotate by tertiary gear 143.
7 upper surface of isolation lid is provided with centralized positioning column 71, and the bottom of screw rod 4 is socketed on the outside of centralized positioning column 71,
Centralized positioning column 71 effectively increases the position degree of screw rod 4 so that the concentricity higher in rotation of screw rod 4.
The upper surface of isolation lid 7 is provided with the annular groove 72 for placing secondary magnetic drive, improves secondary magnetic drive
Position degree.
Be provided with the connecting seat 15 being sheathed on outside screw rod 4 in valve body 1, the outer rim of connecting seat 15 support be set to valve body 1 with every
From between lid 7, the upper surface of connecting seat 15 is provided with bulge loop 151, and the bottom of seal closure 2 is socketed on the outside of bulge loop 151, passes through
Connecting seat 15 is set, the structural stability of seal closure 2 is improved.Connecting seat 15 is preferably made of plastic material, when seal closure 2
When moving up, combustion gas at air inlet 11 is through connecting seat 15 and valve body 1, connecting seat 15 and lid 7, screw rod 4 is isolated and is isolated between lid 7
Gap be flowed into the inside of seal closure 2, ensure that seal closure 2 can work normally.
It is equipped with sealing ring 16 between valve body 1, valve seat 5 and isolation lid 7, sealing ring 16 has fully ensured that electric machine assembly
Internal leakproofness, it is therefore prevented that combustion gas penetrates into the inside of electric machine assembly.
The bottom of valve seat 5 is provided with binding post 17, and sealing-plug 18 is provided between the inner end and valve seat 5 of binding post 17, close
Blocking 18 further improves the seal of electric machine assembly so that waterproof effect of the invention is more preferable.
The above is only the better embodiment of the present invention, therefore all constructions according to described in present patent application range,
The equivalent change or modification that feature and principle are done, is included within the scope of present patent application.
Claims (8)
1. a kind of intelligent gas meter motor valve, including valve member and electric machine assembly, the valve member are set to the motor
Above component；The valve member includes valve body, seal closure, nut and screw rod, and air inlet is respectively equipped on the valve body and is gone out
Gas port, the seal closure, the nut and the screw rod are set in the valve body, and the nut is matched with the screw flight
It closes, the seal closure is set on the nut；The electric machine assembly includes valve seat, motor and train of reduction gears, the motor
And the train of reduction gears is installed in the valve seat, the shaft of the motor and the input terminal transmission of the train of reduction gears connect
It connects；It is characterized in that：
The valve body is fixedly connected with the valve seat, and the output end of the train of reduction gears is provided with main magnetic drive, described
The bottom end of screw rod is provided with secondary magnetic drive, and the main magnetic drive is connect with the secondary magnetic drive magnetic coupling, institute
It states and is hermetically provided with to be isolated the main magnetic drive and the secondary magnetic drive between valve body and the valve seat
Isolation lid；When the motor is actuated, the train of reduction gears drives the secondary Magnetic drive dress by the main magnetic drive
Rotation is set, and then drives the screw rod to rotate by the secondary magnetic drive；
The connecting seat being sheathed on outside the screw rod is provided in the valve body, the outer rim of the connecting seat, which is supported, is set to the valve body
With it is described be isolated lid between, the upper surface of the connecting seat is provided with bulge loop, and the bottom of the seal closure is socketed on the bulge loop
Outside；
Between the connecting seat and the valve body, the connecting seat with it is described be isolated lid between, the screw rod lid is isolated with described
Between be each formed with and flow into the gap inside the seal closure for combustion gas.
2. intelligent gas meter motor valve according to claim 1, it is characterised in that：Between the isolation lid and the motor
It is provided with mounting base, is provided with the first central shaft between the isolation lid and the mounting base, the main magnetic drive includes
Main neck bush, main magnet ring and the driven gear being fixedly connected sequentially from the inside to the outside, the main neck bush are sheathed in described first
The outside of mandrel, the driven gear and the output end of the train of reduction gears are sequentially connected；It is described pair magnetic drive include
The secondary neck bush that is fixedly connected sequentially from the inside to the outside, secondary magnet ring and plastic, the pair neck bush is fixedly connected with the screw rod.
3. intelligent gas meter motor valve according to claim 1, it is characterised in that：Between the isolation lid and the motor
It is provided with mounting base, is provided with the first central shaft between the isolation lid and the mounting base, the main magnetic drive includes
The driven gear being sheathed on outside first central shaft, the driven gear and the output end transmission of the train of reduction gears connect
It connects, the driven gear is internally provided with several main magnet steel；The pair magnetic drive includes being fixedly connected with the screw rod
Linkage disk, the linkage disk is internally provided with several secondary magnet steel correspondingly with the main magnet steel.
4. intelligent gas meter motor valve according to claim 2 or 3, it is characterised in that：The isolation lid and the installation
The second central shaft is provided between seat, the train of reduction gears includes the one-stage gear being set on the machine shaft, installing
Secondary gear on second central shaft, is fixedly connected with tertiary gear on the secondary gear, the one-stage gear with
The secondary gear engagement, the tertiary gear are engaged with the driven gear.
5. intelligent gas meter motor valve according to claim 1, it is characterised in that：The isolation covers during end face is provided with
Heart positioning column, the bottom of the screw rod are socketed on the outside of the centralized positioning column.
6. intelligent gas meter motor valve according to claim 1, it is characterised in that：The upper surface of the isolation lid is provided with
Annular groove for placing the secondary magnetic drive.
7. intelligent gas meter motor valve according to claim 1, it is characterised in that：The valve body, the valve seat and described
It is equipped with sealing ring between isolation lid.
8. intelligent gas meter motor valve according to claim 1, it is characterised in that：The bottom of the valve seat is provided with wiring
Column is provided with sealing-plug between the inner end of the binding post and the valve seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610505297.6A CN105937646B (en) | 2016-06-27 | 2016-06-27 | A kind of intelligent gas meter motor valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610505297.6A CN105937646B (en) | 2016-06-27 | 2016-06-27 | A kind of intelligent gas meter motor valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105937646A CN105937646A (en) | 2016-09-14 |
| CN105937646B true CN105937646B (en) | 2018-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610505297.6A Active CN105937646B (en) | 2016-06-27 | 2016-06-27 | A kind of intelligent gas meter motor valve |
Country Status (1)
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| CN (1) | CN105937646B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107036670A (en) * | 2017-06-16 | 2017-08-11 | 成都市九运机电科技有限责任公司 | A kind of diaphragm gas meter, the method and mechanism of locking diaphragm gas meter motion |
| CN107387840B (en) * | 2017-09-08 | 2019-04-09 | 宁波万诺宝通机电制造有限公司 | A kind of intelligent gas meter built-in motor valve |
| CN107345595B (en) * | 2017-09-08 | 2023-06-13 | 宁波万诺宝通机电制造有限公司 | Built-in quick-closing motor valve of intelligent gas meter |
| CN108061191B (en) * | 2017-11-22 | 2019-05-10 | 北京动力机械研究所 | A kind of valve motor drive mechanism |
| CN108644448B (en) * | 2018-07-31 | 2024-06-14 | 宁波万诺宝通机电制造有限公司 | Motor valve of gas meter |
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| CN2558826Y (en) * | 2002-04-04 | 2003-07-02 | 陕西臻美航天科技有限公司 | Magnetic isolation motor valve |
| CN2618014Y (en) * | 2003-05-03 | 2004-05-26 | 倪志桂 | Electric motor valve for intelligent gasmeter |
| CN2721981Y (en) * | 2004-07-02 | 2005-08-31 | 宣国平 | Motor valve |
| WO2013082167A1 (en) * | 2011-12-03 | 2013-06-06 | Big Horn Valve, Inc. | Rotary valve adapter assembly with planetary gear system |
| CN104180008A (en) * | 2014-08-07 | 2014-12-03 | 河北科技师范学院 | Novel full-sealed leak-free heating valve |
| CN205841923U (en) * | 2016-06-27 | 2016-12-28 | 宁波万诺宝通机电制造有限公司 | A kind of intelligent gas meter motor valve |
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2016
- 2016-06-27 CN CN201610505297.6A patent/CN105937646B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2558826Y (en) * | 2002-04-04 | 2003-07-02 | 陕西臻美航天科技有限公司 | Magnetic isolation motor valve |
| CN2618014Y (en) * | 2003-05-03 | 2004-05-26 | 倪志桂 | Electric motor valve for intelligent gasmeter |
| CN2721981Y (en) * | 2004-07-02 | 2005-08-31 | 宣国平 | Motor valve |
| WO2013082167A1 (en) * | 2011-12-03 | 2013-06-06 | Big Horn Valve, Inc. | Rotary valve adapter assembly with planetary gear system |
| CN104180008A (en) * | 2014-08-07 | 2014-12-03 | 河北科技师范学院 | Novel full-sealed leak-free heating valve |
| CN205841923U (en) * | 2016-06-27 | 2016-12-28 | 宁波万诺宝通机电制造有限公司 | A kind of intelligent gas meter motor valve |
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| Publication number | Publication date |
|---|---|
| CN105937646A (en) | 2016-09-14 |
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