CN108644448A - A kind of gas meter motor valve - Google Patents
A kind of gas meter motor valve Download PDFInfo
- Publication number
- CN108644448A CN108644448A CN201810857403.6A CN201810857403A CN108644448A CN 108644448 A CN108644448 A CN 108644448A CN 201810857403 A CN201810857403 A CN 201810857403A CN 108644448 A CN108644448 A CN 108644448A
- Authority
- CN
- China
- Prior art keywords
- seal
- valve
- screw rod
- nut
- motor
- 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.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 3
- 229920006351 engineering plastic Polymers 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 27
- 238000010586 diagram Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000000567 combustion gas Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
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
- F16K31/046—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor with electric means, e.g. electric switches, to control the motor or to control a clutch between the valve and the 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
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Abstract
The invention discloses a kind of gas meter motor valves, including valve member and electric machine assembly, valve member includes valve body, nut and screw rod, valve body is equipped with air inlet and gas outlet, sealing element, nut and screw rod are set in valve body, nut is connect with screw rod, electric machine assembly includes valve seat, motor and driving gear set, motor and transmission gear are mounted in valve seat, motor is sequentially connected with driving gear set, driving gear set is connect with screw drive, valve body is fixedly connected with valve seat, valve member further includes first seal and second seal, screw rod has been connected through a screw thread nut, nut is equipped with the first stop surface, screw rod is equipped with the second stop surface, first seal is fixedly connected with nut, second seal is between valve body and valve seat.The present invention has the characteristics that simple and reasonable, using effect is good, service life is long, good seal performance, and self-locking will not occur between screw rod and nut, and the positive normally close valve of motor valve prevents the generation of security risk.
Description
Technical field
The present invention relates to valve class technical field, more particularly to a kind of 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, motor, train of reduction gears, screw rod and seal closure, valve body
It is fixedly connected with valve seat, motor and train of reduction gears correspondence are installed in valve seat, and the top of screw rod is passed by nut and seal closure
Dynamic connection, the bottom of seal closure are fixed in the valve body, and bottom end and the train of reduction gears of screw rod are sequentially connected, the top of valve body
Equipped with valve port corresponding with seal closure.When work, motor drives screw rod to rotate by train of reduction gears, and then drives seal closure
Along the axial movement of screw rod, to achieve the effect that control valve port opening and closing.
However the defect of above-mentioned gas meter motor valve is：First, seal closure is integral structure, and seal closure one end is solid
Fixed, the other end is moved with screw rod, primary so as to cause valve opening and closing, and seal closure will stretch once therewith so that seal closure is long
Phase is under retracted position and easily causes breakage, influences its service life, and second, due to sealing hood shape, body when seal closure switchs
Long-pending variation generates positive pressure, negative pressure, and resistance is made to change, to be had an impact to valve event；Third, it is outer due to screw rod
Screw thread can form escape in processing, when motor valve is in valve opening（That is Open valve）When running in place, the internal thread meeting of nut
It screws in escape so that can be because generating larger moment of friction due to self-locking, in the low work(that motor provides between nut and screw rod
Rate valve closing（Close valve）When driving, this moment of friction there is a possibility that occur stuck phenomenon between screw rod and nut so that
Motor valve valve closing disabler, causes security risk.
Invention content
In view of the deficiencies of the prior art and defect, provide a kind of gas meter motor valve, have it is simple and reasonable, use effect
The characteristics of fruit is good, service life is long, good seal performance, and valve opening in place when screw rod and nut between self-locking will not occur, from
And can ensure the positive normally close valve of motor valve, prevent the generation of security risk.
To achieve the above object, the present invention provides following technical scheme.
A kind of gas meter motor valve, including valve member and electric machine assembly, valve member are set to the top of electric machine assembly,
Valve member includes valve body, nut and screw rod, and valve body is equipped with air inlet and gas outlet, and sealing element, nut and screw rod are set to
In valve body, nut and screw flight coordinate, and electric machine assembly includes valve seat, motor and driving gear set, motor and driving gear set
In valve seat, the shaft of motor and the input terminal of driving gear set are sequentially connected, and output end and the screw rod of driving gear set pass
Dynamic connection, valve body are fixedly connected with valve seat, and valve member further includes first seal and second seal, and screw rod passes through screw thread
It is connected with nut, nut is equipped with the first stop surface with screw rod connecting pin, and screw rod, which is equipped with second coordinated with the first stop surface, to be stopped
Block face, first seal are fixedly connected with nut, and first seal matches under the action of screw rod with gas outlet, the second sealing
Part is between valve body and valve seat, and for second seal will be sealed between valve body and valve seat, nut passes through second seal and spiral shell
Bar connects.
Further, nut is equipped with mounting base, and mounting base is equipped with mounting hole, and mounting base side is connected to the first sealing
Part, the mounting base other side are connected with fixed seat, and fixed seat is equipped with fixed column, and fixed column passes through mounting hole, and fixed column passes through
One end of mounting hole is interference fitted with mounting hole to which fixed seat to be fixedly connected with mounting base, and first seal is equipped with first
Flange, the first flange is between fixed seat and mounting base first seal to be fixedly connected with mounting base.
Further, be formed with inlet chamber between first seal and mounting base, fixed column be equipped with by air inlet with into
The through-hole of air cavity connection.
Further, first seal is made of rubber material and engineering plastics, and second seal is made of rubber material.
Further, second seal is equipped with the second flange, and the second flange is between valve body and valve seat.
Further, the fixed frame coordinated with second seal is additionally provided in valve seat.
Further, second seal is equipped with the axis hole with nut coaxial cooperation, and nut can be moved axially along the axis hole.
Further, driving gear component includes the transmission gear being fixedly connected with the shaft of the motor and the biography
The ring gear of moving gear engagement, the ring gear are connect with the screw drive.
Further, the first drive lugs are convexly equipped on the ring gear, the external stability of the screw rod has transmission ring, institute
Stating the provided circumferentially about of transmission ring has the second drive lugs coordinated with first drive lugs.
Further, it is fixedly connected by screw between valve body and valve seat.
Beneficial effects of the present invention are：The motor valve of the present invention, by separately setting first seal and second seal
It sets, when the valve is closed, motor drives screw rod to rotate by driving gear component, and screw rod rotates so that nut is moved with respect to screw rod
Dynamic, nut movement drives first seal to be moved at gas outlet and gas outlet close fit, to block gas outlet, outlet
Mouth is closed, and when valve opening, motor drives screw rod to rotate by driving gear component, and screw rod, which rotates, makes nut with respect to screw rod
Mobile, nut movement drives first seal to be moved to far from gas outlet so that gas outlet is opened, first seal and
Second seal is not interfere with each other, and ensure that the service life of first seal and second seal, and first seal is not easy
It deforms upon, valve event will not be had an impact, this outer nut is equipped with the first stop surface with screw rod connecting pin, and screw rod is equipped with
With the first stop surface cooperation the second stop surface, when motor valve valve opening in place when, the first stop surface is abutted with the second stop surface, with
The internal thread segment of nut is prevented to screw in screw flight escape, so as to avoid larger because occurring between nut and screw rod
Moment of friction and self-locking occurs, and then ensure the positive normally close valve of motor valve, prevented the generation of security risk.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is the schematic cross-sectional view of the present invention.
Fig. 3 is the nut structure diagram of the present invention.
Fig. 4 is nut, first seal and the fixed seat fit structure schematic diagram of the present invention.
Fig. 5 is the screw rod and ring gear fit structure schematic diagram of the present invention.
In figure, 1. valve bodies；2. screw rod；3. nut；4. air inlet；5. gas outlet；6. valve seat；7. motor；8. the first sealing
Part；9. second seal；10. the first stop surface；11. the second stop surface；12. mounting base；13. mounting hole；14. fixed seat；15.
Fixed column；16. the first flange；17. inlet chamber；18. through-hole；19. the second flange；20. fixed frame；21. transmission gear；In 22.
Gear ring；23. the first drive lugs；24. the second drive lugs.
Specific implementation mode
It is further illustrated to of the invention in conjunction with attached drawing.
It is set referring to Fig. 1 to a kind of gas meter motor valve shown in fig. 5, including valve member and electric machine assembly, valve member
It is placed in the top of electric machine assembly, valve member includes valve body 1, nut 3 and screw rod 2, and valve body 1 is equipped with air inlet 4 and gas outlet
5, sealing element, nut 3 and screw rod 2 are set in valve body 1, nut 3 and 2 screw-thread fit of screw rod, and electric machine assembly includes valve seat 6, electricity
Machine 7 and driving gear set, motor 7 and transmission gear are mounted in valve seat 6, the shaft of motor 7 and the input terminal of driving gear set
It is sequentially connected, output end and the screw rod 2 of driving gear set are sequentially connected, and valve body 1 is fixedly connected with valve seat 6, valve body 1 and valve seat 6
Between be fixedly connected by screw.
Valve member further includes first seal 8 and second seal 9, and screw rod 2 has been connected through a screw thread nut 3, nut 3
It is equipped with the first stop surface 10 with 2 connecting pin of screw rod, screw rod 2 is equipped with the second stop surface 11 coordinated with the first stop surface 10, the
One sealing element 8 is fixedly connected with nut 3, and first seal 8 matches under the action of screw rod 2 with gas outlet 5, is set on nut 3
There are mounting base 12, mounting base 12 to be an integral molding structure with nut 3, mounting base 12 is equipped with mounting hole 13,12 side of mounting base
It is connected to first seal 8,12 other side of mounting base is connected with fixed seat 14, and fixed seat 14 is equipped with fixed column 15, fixed column
15 pass through mounting hole 13, and 15 end of fixed column is equipped with flange, after 15 end of fixed column passes through mounting hole 13, flange portion and peace
It fills hole 13 to be interference fitted, to be fixedly connected with fixed seat 14 with mounting base 12, first seal 8 is equipped with the first flange
16, the first flange 16 is fixedly connected between fixed seat 14 and mounting base 12, by first seal 8 with mounting base 12, the
One flange 16 is also extended with flanging into fixed seat 14, so that connection is more firm, between first seal 8 and mounting base 12
It is formed with inlet chamber 17, fixed column 15 is equipped with the through-hole 18 for being connected to air inlet 4 with inlet chamber 17, and first seal 8 is by rubber
Glue material and engineering plastics are made, and increase rigidity.
For second seal 9 between valve body 1 and valve seat 6, second seal 9 is equipped with the second flange 19, the second flange
19 between valve body 1 and valve seat 6, to fixing second seal 9, is additionally provided in valve seat 6 and coordinates with second seal 9
Fixed frame 20, to prevent second seal 9 from deforming upon, for second seal 9 will be sealed between valve body 1 and valve seat 6, second is close
Sealing 9 is made of rubber material, and nut 3 is connect across second seal 9 with screw rod 2, and second seal 9 is equipped with and nut 3
The axis hole of coaxial cooperation, nut 3 can be moved axially along the axis hole, and nut 3 fits with axis hole, to prevent combustion gas from entering valve seat 6
It is interior.
Driving gear component includes the transmission gear 21 being fixedly connected with the shaft of the motor 7 and the transmission gear
The ring gear 22 of 21 engagements, the ring gear 22 are sequentially connected with the screw rod 2, and the first transmission is convexly equipped on the ring gear 22
The external stability of convex block 23, the screw rod 2 has transmission ring, the provided circumferentially about of the transmission ring to have and first drive lugs
Second drive lugs 24 of 23 cooperations, when motor 7 rotates, motor 7 drives ring gear 22 to rotate by transmission gear 21, inside
Gear ring 22 is in rotation process, and when the first drive lugs 23 and the second drive lugs 24 offset, the first drive lugs 23 can lead to
Crossing the second drive lugs 24 drives screw rod 2 to rotate, and to realize the movement of nut 3, and then realizes the keying control of 7 valve of motor.
7 valve of motor of the present invention, by the way that first seal 8 and second seal 9 are provided separately, when the valve is closed,
Motor 7 drives screw rod 2 to rotate by driving gear component, and screw rod 2 rotates so that nut 3 is moved relative to screw rod 2, and nut 3 moves
First seal 8 is driven to be moved at gas outlet 5 and 5 close fit of gas outlet, to block gas outlet 5, the pass of gas outlet 5
It closes, when valve opening, motor 7 drives screw rod 2 to rotate by driving gear component, and screw rod 2 rotates so that nut 3 is with respect to screw rod
2 movements, the movement of nut 3 drive first seal 8 to be moved to far from gas outlet 5, so that gas outlet 5 is opened, first is close
Sealing 8 and second seal 9 are not interfere with each other, and ensure that the service life of first seal 8 and second seal 9, and first
Sealing element 8 is not susceptible to deformation, will not be had an impact to valve event, and under low-temperature condition, rubber parts is indeformable, firmness change
Resistance will not additionally be increased, more reliable, and the first sealing in different makings is acted to ensureing valve under low-temperature condition
Part 8 is indeformable, overcome former valve and have swell in the gas medium that liquefies, phenomenon of swelling and influence valve event so that the present invention
7 valve of motor can be suitable for being applicable in the different mediums such as natural gas, liquefied gas, water-gas.And work as first seal 8 and outlet
When 5 close fit of mouth, combustion gas enters through air inlet 4 in valve body 1, and via through holes 18 enter in inlet chamber 17 again for combustion gas, inlet chamber 17
Interior pressure changes so that 8 back pressure of first seal auxiliary, which has, centainly crosses type, further helps sealing.
This outer nut 3 is equipped with the first stop surface 10 with 2 connecting pin of screw rod, and screw rod 2 is equipped with to be coordinated with the first stop surface 10
The second stop surface 11, nut 3 and screw rod 2 are respectively by mold injection molding, so that the first stop surface 10 and second stops
Block face 11 be molded, when 7 valve valve opening of motor in place when, the first stop surface 10 is abutted with the second stop surface 11, to prevent in nut
Thread segment screws in the Gewindefreistiche of screw rod 2, so as to avoid between nut 3 and screw rod 2 because there is larger moment of friction
And self-locking occurs, and then ensure the positive normally close valve of 7 valve of motor, prevent the generation of security risk, and between screw rod 2 and nut 3
The generated moment of resistance smaller when relatively rotating, the energy consumption smaller of motor 7 under equal conditions.
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 (10)
1. a kind of gas meter motor valve, including valve member and electric machine assembly, valve member are set to the top of electric machine assembly, valve
Door component includes valve body（1）, nut（3）And screw rod（2）, valve body（1）It is equipped with air inlet（4）The gas outlet and（5）, sealing element,
Nut（3）And screw rod（2）It is set to valve body（1）It is interior, nut（3）With screw rod（2）Screw-thread fit, electric machine assembly include valve seat（6）、
Motor（7）And driving gear set, motor（7）And transmission gear is mounted on valve seat（6）It is interior, motor（7）Shaft and transmission gear
The input terminal of group is sequentially connected, the output end and screw rod of driving gear set（2）It is sequentially connected, valve body（1）With valve seat（6）It is fixed to connect
It connects, it is characterised in that：Valve member further includes first seal（8）And second seal（9）, screw rod（2）It is connected through a screw thread
There is nut（3）, nut（3）With screw rod（2）Connecting pin is equipped with the first stop surface（10）, screw rod（2）It is equipped with and the first stop surface
（10）Second stop surface of cooperation（11）, first seal（8）With nut（3）It is fixedly connected, first seal（8）In screw rod
（2）Under the action of with gas outlet（5）It matches, second seal（9）Positioned at valve body（1）With valve seat（6）Between, second seal
（9）With by valve body（1）With valve seat（6）Between seal, nut（3）Across second seal（9）With screw rod（2）Connection.
2. a kind of gas meter motor valve according to claim 1, it is characterised in that：Nut（3）It is equipped with mounting base（12）,
Mounting base（12）It is equipped with mounting hole（13）, mounting base（12）Side is connected to first seal（8）, mounting base（12）The other side
It is connected with fixed seat（14）, fixed seat（14）It is equipped with fixed column（15）, fixed column（15）Across mounting hole（13）, and fixed column
（15）Across mounting hole（13）One end and mounting hole（13）Interference fit is thus by fixed seat（14）With mounting base（12）It is fixed
Connection, first seal（8）It is equipped with the first flange（16）, the first flange（16）Positioned at fixed seat（14）With mounting base（12）It
Between with by first seal（8）With mounting base（12）It is fixedly connected.
3. a kind of gas meter motor valve according to claim 2, it is characterised in that：First seal（8）With mounting base
（12）Between be formed with inlet chamber（17）, fixed column（15）It is equipped with air inlet（4）With inlet chamber（17）The through-hole of connection
（18）.
4. a kind of gas meter motor valve according to claim 2, it is characterised in that：First seal（8）By rubber material
It is made with engineering plastics, second seal（9）It is made of rubber material.
5. a kind of gas meter motor valve according to claim 1, it is characterised in that：Second seal（9）It is equipped with second
Flange（19）, the second flange（19）Positioned at valve body（1）With valve seat（6）Between.
6. a kind of gas meter motor valve according to claim 5, it is characterised in that：Valve seat（6）Inside be additionally provided with it is second close
Sealing（9）The fixed frame of cooperation（20）.
7. a kind of gas meter motor valve according to claim 5, it is characterised in that：Second seal（9）It is equipped with and spiral shell
It is female（3）The axis hole of coaxial cooperation, nut（3）It can be moved axially along the axis hole.
8. a kind of gas meter motor valve according to claim 1, it is characterised in that：Driving gear component includes and the electricity
Machine（7）The transmission gear that is fixedly connected of shaft（21）And the transmission gear（21）The ring gear of engagement（22）, the internal tooth
Circle（22）With the screw rod（2）It is sequentially connected.
9. a kind of gas meter motor valve according to claim 8, it is characterised in that：The ring gear（22）On be convexly equipped with
One drive lugs（23）, the screw rod（2）External stability there is transmission ring, the provided circumferentially about of the transmission ring to have and described
One drive lugs（23）Second drive lugs of cooperation（24）.
10. a kind of gas meter motor valve according to claim 1, it is characterised in that：Valve body（1）With valve seat（6）Between lead to
Screw is crossed to be fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810857403.6A CN108644448B (en) | 2018-07-31 | 2018-07-31 | Motor valve of gas meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810857403.6A CN108644448B (en) | 2018-07-31 | 2018-07-31 | Motor valve of gas meter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108644448A true CN108644448A (en) | 2018-10-12 |
| CN108644448B CN108644448B (en) | 2024-06-14 |
Family
ID=63760426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810857403.6A Active CN108644448B (en) | 2018-07-31 | 2018-07-31 | Motor valve of gas meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108644448B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113357423A (en) * | 2021-07-12 | 2021-09-07 | 杭州先锋电子技术股份有限公司 | Torsion-adaptive bidirectional non-blocking rotating screw type motor valve |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020112760A1 (en) * | 1999-06-29 | 2002-08-22 | Juan Jose Goni Usabiaga | Valve assembly with multiple mode actuators |
| CN101532583A (en) * | 2009-04-20 | 2009-09-16 | 浙江金卡高科技工程有限公司 | Baffle safety electric motor valve |
| CN101761687A (en) * | 2010-01-19 | 2010-06-30 | 杭州先锋电子技术有限公司 | Special transmission mechanism of screw valve |
| CN203115257U (en) * | 2013-04-05 | 2013-08-07 | 魏显飞 | Straight tooth cylindrical gearing transmission stop valve |
| CN105937646A (en) * | 2016-06-27 | 2016-09-14 | 宁波万诺宝通机电制造有限公司 | Intelligent gas meter motor valve |
| CN107387840A (en) * | 2017-09-08 | 2017-11-24 | 宁波万诺宝通机电制造有限公司 | A kind of intelligent gas meter built-in motor valve |
| CN207349540U (en) * | 2017-09-08 | 2018-05-11 | 宁波万诺宝通机电制造有限公司 | A kind of intelligent gas meter valve opening is without self-locking built-in motor valve |
| CN208565740U (en) * | 2018-07-31 | 2019-03-01 | 宁波万诺宝通机电制造有限公司 | A kind of gas meter motor valve |
-
2018
- 2018-07-31 CN CN201810857403.6A patent/CN108644448B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020112760A1 (en) * | 1999-06-29 | 2002-08-22 | Juan Jose Goni Usabiaga | Valve assembly with multiple mode actuators |
| CN101532583A (en) * | 2009-04-20 | 2009-09-16 | 浙江金卡高科技工程有限公司 | Baffle safety electric motor valve |
| CN101761687A (en) * | 2010-01-19 | 2010-06-30 | 杭州先锋电子技术有限公司 | Special transmission mechanism of screw valve |
| CN203115257U (en) * | 2013-04-05 | 2013-08-07 | 魏显飞 | Straight tooth cylindrical gearing transmission stop valve |
| CN105937646A (en) * | 2016-06-27 | 2016-09-14 | 宁波万诺宝通机电制造有限公司 | Intelligent gas meter motor valve |
| CN107387840A (en) * | 2017-09-08 | 2017-11-24 | 宁波万诺宝通机电制造有限公司 | A kind of intelligent gas meter built-in motor valve |
| CN207349540U (en) * | 2017-09-08 | 2018-05-11 | 宁波万诺宝通机电制造有限公司 | A kind of intelligent gas meter valve opening is without self-locking built-in motor valve |
| CN208565740U (en) * | 2018-07-31 | 2019-03-01 | 宁波万诺宝通机电制造有限公司 | A kind of gas meter motor valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113357423A (en) * | 2021-07-12 | 2021-09-07 | 杭州先锋电子技术股份有限公司 | Torsion-adaptive bidirectional non-blocking rotating screw type motor valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108644448B (en) | 2024-06-14 |
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