CN207584041U - A kind of built-in gas meter motor valve component and its gas meter, flow meter - Google Patents
A kind of built-in gas meter motor valve component and its gas meter, flow meter Download PDFInfo
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- CN207584041U CN207584041U CN201721546280.1U CN201721546280U CN207584041U CN 207584041 U CN207584041 U CN 207584041U CN 201721546280 U CN201721546280 U CN 201721546280U CN 207584041 U CN207584041 U CN 207584041U
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- gas meter
- pot cover
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- valve
- jam pot
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Abstract
The utility model is related to a kind of built-in gas meter motor valve components, belong to gas meter, flow meter technical field, solve the problems, such as the shut-off valve of gas meter, flow meter causes whole transmission efficiency low by direct current generator driving, solve the problems, such as that this technical solution mainly includes transfer tube and motor valve, motor valve includes vavle shelf, jam pot cover part and driving motor, jam pot cover part is connected to by valve rod on vavle shelf, driving motor is equipped with driving wheel, valve rod is equipped with driven wheel, the driving wheel and relative movement of the driven wheel engaged transmission with ovable valve stem and vavle shelf, and then realize the switch to transfer tube；The advantages of the utility model：It is single gear transmission between driving motor and valve rod to be made by driving wheel and driven wheel, ensure that the angular displacement that driving motor turns over passes through certain gearratio, valve rod can accurately be passed to, motor is made to be operated under relatively low rotating speed, reduce the rotator inertia of rotor, in addition, the invention also discloses gas meter, flow meter, including above-mentioned built-in gas meter motor valve component.
Description
Technical field
The utility model is related to a kind of built-in gas meter motor valve component and its gas meter, flow meters.
Background technology
The shut-off valve of existing industrial fuel gas table adapted is mostly driven using direct current generator, by controlling direct current generator positive and negative
Turn to drive associated actuator mechanism, adjust gearratio and output torque by retarder, band movable sealing structure realizes two kinds of movement sides
Formula：Rotary type and part rotary type.The former is used for elevating lever class valve, such as slide valve, diaphragm valve；The latter is used to turn round class valve
Door, such as ball valve, plug valve, butterfly valve usually open and close in the range of 90 °.It is final to drive the conducting that sealing mechanism completes runner with closing
Close, the industrial shut-off valve driven is done using direct current generator, for ensure jam pot cover structure can open and close in place, mostly surpassed using motor
Stroke operates (stall) or controls jam pot cover stroke using travel switch.The design of part stop valve structure only controls valve opening in place,
And rely on the mechanisms such as spring that jam pot cover is made to force to close valve in place.
With the shut-off valve that direct current generator drives, due to the staring torque of direct current generator under low-voltage power supply (below 7.2V) situation
It is smaller, it is necessary to increase torque using multistage retarder and export, which not only adds the integrally-built outer profile size of valve,
Make industrial shut-off valve that can only use external valve arrangement, larger overall size increases storage, logistics cost and the peace of product
Space needed for dress, while stage-geared also reduces integrally-built transmission efficiency, increases energy consumption, shortens battery (alkali
Electricity or lithium electricity) service life.
Direct current generator cannot accurately control the operating stroke of motor, it is necessary to operate to ensure jam pot cover group by motor overtravel
In place, motor rotation blockage exports larger torque to part open and close valve at this time, has very big impact to drive mechanism, reduces structure
Service life increases additional stroke controlling structure, and using the operating stroke of feedback circuit control motor, such structure is because making
It is poor with closed-loop control stability, and increased stroke controlling structure improves the cost of product.
Utility model content
The technical problems to be solved in the utility model is just to provide a kind of built-in gas meter motor valve component and its combustion gas
Table solves the technical issues of existing shut-off valve causes overall structure transmission efficiency low by direct current generator driving.
In order to solve the above-mentioned technical problem, the utility model is achieved through the following technical solutions:A kind of built-in combustion
Gas meter motor valve module, including the motor valve for being connected to the transfer tube of gas meter interface and being correspondingly arranged with transfer tube, the electricity
Machine valve includes vavle shelf, jam pot cover part and driving motor, and the jam pot cover part is connected to by valve rod on vavle shelf, and the driving motor is equipped with
Driving wheel, the valve rod are equipped with integrally formed driven wheel, the driving wheel and driven wheel engaged transmission band ovable valve stem and valve
The relative movement of frame, and then realize the switch to transfer tube.
Preferably, the motor valve is arranged on transfer tube, and the valve rod is equipped with trapezoidal thread, and the vavle shelf is equipped with
The trapezoidal nut hole being equipped with trapezoidal thread, the valve rod move in a straight line to drive jam pot cover in the trapezoidal nut hole
Part realizes the switch to transfer tube.
Preferably, the driving motor is stepper motor, and the stepper motor includes motor body and motor shaft, the master
Driving wheel is fixed by integrated injection molding on motor shaft.
Preferably, the trapezoidal nut hole is fixed on by integrated injection molding on vavle shelf.
Preferably, the other end of the transfer tube is equipped with O-ring, and the junction of the transfer tube and gas meter interface passes through
O-ring forms side seal.
Preferably, the jam pot cover part includes jam pot cover plate, jam pot cover support plate and jam pot cover fixed plate, the jam pot cover support plate and valve
Sealing fixed board is arranged in jam pot cover plate, and jam pot cover support plate is arranged on the top of jam pot cover fixed plate, the jam pot cover fixed plate peace
On valve rod.
Preferably, the jam pot cover fixed plate is deformable structure, and the jam pot cover fixed plate is equipped with cross recess, on valve rod
Equipped with card slot, valve rod penetrates after cross recess and jam pot cover fixed plate is fixed on valve rod by card slot.
Preferably, the top of the valve rod is equipped with the cylindrical surface for facilitating insertion into cross recess, and cylindrical surface and cross recess interference
Cooperation.
Preferably, the built-in gas meter motor valve component further includes the link being arranged in gas meter shell body, institute
Transfer tube is stated to be fixed on the link.
A kind of gas meter, flow meter including gas meter housing, is equipped with above-mentioned built-in gas table electricity in the gas meter shell body
Machine valve module, by the built-in gas meter motor valve component installed in gas meter shell body, relative to the structure of existing external valve,
The overall size of gas meter, flow meter can be simplified, so as to reduce product storage, logistics cost and installation footprint, and driving motor and valve
Transmission between bar improves integrally-built transmission efficiency for single gear transmission, reduces energy consumption, improves making for battery
Use the service life.
In conclusion the advantages of the utility model：1. pass through driving wheel and driven wheel engaged transmission band ovable valve stem and vavle shelf
Relative movement, to realize the switch to transfer tube, transmission between driving motor and valve rod is made to ensure for single gear transmission
The angular displacement that driving motor turns over can accurately pass to valve rod, while meeting driving moment by certain gearratio
Under the premise of installation space, the working efficiency of driving motor is maximized, driving motor is made to be operated under relatively low rotating speed, dropped
The low rotator inertia of rotor makes the start and stop of driving motor, accelerates more accurately control, and compact overall structure；
2. driven wheel and valve rod are arranged to be integrally formed setting, mounting process is simplified, the convenience of assembling is realized, subtracts
Lack the shaking of driven wheel, improved transmission efficiency, improve the service life of driven wheel；
3. being coordinated by the trapezoidal thread that valve rod is equipped with and the transmission of trapezoidal nut hole, make between valve rod and vavle shelf using ladder
Shape screw-driven had both ensured the accuracy of jam pot cover part reciprocating movement displacement, in turn ensured the transmission efficiency higher compared with regular screw threads,
And by the characteristic of screw thread self-locking, it is closed down jam pot cover part；
4. driving motor is arranged to stepper motor, driving motor is enable often to receive a pulse signal and turns over fixed angle
It spends, the pulse signal sent out by microcontroller, the angular displacement of stepper motor is accurately controlled, so as to fulfill the mesh of accurate positionin
, while the speed and acceleration of motor rotation, so as to achieve the purpose that speed governing, step can be controlled by controlling pulse frequency
Stepper motor has staring torque big in itself, and not needing to increase additional deceleration mechanism can overcome start between template structure quiet to rub
Power is wiped, structure design is simplified, and driving wheel is fixed by integrated injection molding on motor shaft, whole installation process can be simplified；
5. trapezoidal nut hole is fixed on by integrated injection molding on vavle shelf, whole installation process can be simplified, can guarantee ladder
Stability of the shape nut bore on vavle shelf avoids tilting in the assembling process of trapezoidal nut hole, ensures jam pot cover part to the steady of transfer tube
Fixed switch；
The setting of 6.O type circles can make to form side seal between transfer tube and gas meter interface, when jam pot cover part move upwards with
End face seal is formed after transfer tube contact, the partition of gas inside and outside formation；
7. by jam pot cover part setting jam pot cover plate, jam pot cover support plate and jam pot cover fixed plate, and jam pot cover support plate and jam pot cover fixed plate
It is arranged in jam pot cover plate, the intensity of jam pot cover part entirety can be improved, it is easy to process, simplify mounting process；
8. jam pot cover fixed plate is set as deformable structure, it can quickly realize the installation of valve rod, be equipped with by valve rod
Card slot jam pot cover fixed plate is fixed on valve rod, can guarantee that jam pot cover part can be freely rotated on screw rod, when jam pot cover part with
Jam pot cover part is not rotated with screw rod after transfer tube contact, prevents jam pot cover part from rubbing with transfer tube, and reduce jam pot cover part uses the longevity
Life；
9. the cylindrical surface set by valve stem tip, can realize that valve rod is quickly inserted into cross recess, easy for installation, and circle
Cylinder is interference fitted with cross recess, is avoided that valve rod is detached from cross recess, is improved the stability of connection；
10. realizing that transfer tube is fixed in gas meter shell body by link, make to have between motor valve and transfer tube higher
Dimensional fits precision, ensure sealing reliability.
Description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings：
Fig. 1 is a kind of structure diagram of built-in gas meter motor valve component of the utility model；
Fig. 2 is the structure diagram of the utility model motor valve；
Fig. 3 is the partial enlarged view of I in Fig. 3；
Fig. 4 is the structure diagram of the utility model jam pot cover fixed plate；
Fig. 5 is a kind of structure diagram of gas meter, flow meter of the utility model.
Reference numeral：
1 link, 10 gas meter interfaces, 11 gas meter housings, 2 transfer tubes, 21O types circle, 3 motor valves, 4 driving motors,
40 driving wheels, 41 motor bodies, 42 motor shafts, 5 vavle shelves, 51 trapezoidal nut holes, 6 jam pot cover parts, 60 valve rods, 61 driven wheels, 62 ladders
Shape screw thread, 63 jam pot cover plates, 64 jam pot cover support plates, 65 jam pot cover fixed plates, 66 cross recesses, 67 card slots, 68 cylindrical surfaces
Specific embodiment
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of built-in gas meter motor valve component, including being connected to gas meter interface
10 transfer tube 2 and the motor valve 3 being correspondingly arranged with transfer tube 2, the motor valve 3 include vavle shelf 5, jam pot cover part 6 and driving electricity
Machine 4, the jam pot cover part 6 are connected to by valve rod 60 on vavle shelf 5, and the driving motor 4 is equipped with driving wheel 40, on the valve rod 60
Equipped with integrally formed driven wheel 61, mounting process is simplified, realizes the convenience of assembling, reduces the shaking of driven wheel, carries
High transmission efficiency, improves the service life of driven wheel, it is single gear biography to make the transmission between driving motor 4 and valve rod 60
Dynamic, the angular displacement that guarantee driving motor 4 turns over can accurately pass to valve rod 60, while full by certain gearratio
Under the premise of sufficient driving moment and installation space, the working efficiency of driving motor 4 is maximized, driving motor is made to turn in relatively low
Speed is lower to be operated, and reduces the rotator inertia of rotor, is made the start and stop of driving motor 4, is accelerated more accurately to control, and whole knot
Structure is compact, the driving wheel 40 and 61 relative movement of the engaged transmission with ovable valve stem 60 Yu vavle shelf 5 of driven wheel, and then realizes to turning
The switch of take over 2.
Then, the motor valve 3 is arranged on transfer tube 2, and the valve rod 60 is equipped with trapezoidal thread 62, the vavle shelf 5
The trapezoidal nut hole 51 being equipped with trapezoidal thread 62 is equipped with, the valve rod 60 does straight line in the trapezoidal nut hole 51
Movement passes through the trapezoidal thread 62 that valve rod 60 is equipped with and trapezoidal nut hole so that jam pot cover part 6 to be driven to realize the switch to transfer tube 2
51 transmission cooperations, are made to be driven using trapezoidal thread 62 between valve rod 60 and vavle shelf 5, have both ensured 6 reciprocating movement displacement of jam pot cover part
Accuracy in turn ensures the transmission efficiency higher compared with regular screw threads, and by the characteristic of screw thread self-locking, is in jam pot cover part 6
Under closed state, the trapezoidal nut hole 51 is fixed on by integrated injection molding on vavle shelf 5, can simplify whole installation process, energy
Ensure 51 stability on vavle shelf 5 of trapezoidal nut hole, avoid tilting in 51 assembling process of trapezoidal nut hole, ensure jam pot cover part 6
To the stable switch of transfer tube 2.
The driving motor 4 is stepper motor, and driving motor 4 is arranged to stepper motor, driving motor 4 is made often to receive one
A pulse signal can turn over fixed angle, the pulse signal sent out by microcontroller, be accurately controlled the angle position of stepper motor
Shifting amount so as to fulfill the purpose of accurate positionin, while can control the speed that motor rotates and add by controlling pulse frequency
Speed, so as to achieve the purpose that speed governing, stepper motor has staring torque big in itself, does not need to increase additional deceleration mechanism
To overcome the stiction started between template structure, structure design is simplified, the stepper motor includes motor body 41 and electricity
Arbor 42, the driving wheel 40 are fixed by integrated injection molding on motor shaft 42, can simplify whole installation process.
The other end of the transfer tube 2 is equipped with O-ring 21, and the junction of the transfer tube 2 and gas meter interface 10 passes through O
Type circle 21 formed side seal, can make to form side seal between transfer tube 2 and gas meter interface 10, when jam pot cover part 6 move upwards with
Transfer tube 2 forms end face seal after contacting, and the partition of gas, 3 component of built-in gas meter motor valve also wrap inside and outside formation
The link 1 being arranged in gas meter housing 11 is included, the transfer tube 2 is fixed on the link 1, is made motor valve 3 and is turned
There is higher dimensional fits precision between take over 2, ensure the reliability of sealing.
Fig. 2 is seen again, and the jam pot cover part 6 includes jam pot cover plate 63, jam pot cover support plate 64 and jam pot cover fixed plate 65, the jam pot cover branch
Fagging 64 and jam pot cover fixed plate 65 are arranged in jam pot cover plate 63, and jam pot cover support plate 64 is arranged on the upper of jam pot cover fixed plate 65
Side, the jam pot cover fixed plate 65 are mounted on valve rod 60, can improve the whole intensity of jam pot cover part 6, easy to process, simplify installation
Technique, the jam pot cover fixed plate 65 are deformable structure, can quickly realize the installation of valve rod 60, and the jam pot cover fixed plate 65
It is equipped with cross recess 66, valve rod 60 is equipped with card slot 67, and valve rod 60 is penetrated jam pot cover fixed plate after cross recess 66 through card slot 67
65 are fixed on valve rod 60, can guarantee that jam pot cover part 6 can be freely rotated on screw rod, after jam pot cover part 6 is contacted with transfer tube 2
Jam pot cover part 6 is not rotated with screw rod, prevents jam pot cover part 6 from rubbing with transfer tube 2, reduces the service life of jam pot cover part 6, the valve
The top of bar 60 is equipped with the cylindrical surface 68 for facilitating insertion into cross recess 66, and cylindrical surface 68 is interference fitted with cross recess 66, can be realized
Valve rod 60 is quickly inserted into cross recess 66, easy for installation, and cylindrical surface 68 is interference fitted with cross recess 66, is avoided that valve rod 60
Cross recess 66 is detached from, improves the stability of connection.
In addition, in order to improve trapezoidal spiral shell of the valve rod 60 in the interior stationarity moved in trapezoidal nut hole 51, the present embodiment
Female hole 51 is arranged on by trapezoidal nut on vavle shelf 5, and for the service life for improving driven wheel 61, can be consolidated driven wheel 61
It is scheduled on nut, during work, 61 need of driven wheel rotate movement, and driven wheel 61 is by radial forces, relative to driven
Wheel be fixed on valve rod, be avoided that driven wheel 61 with valve rod make circumference, straight line compound motion and by radially, axially both direction
Active force.
As shown in figure 5, a kind of gas meter, flow meter, including gas meter housing 11, is equipped with above-mentioned in the gas meter housing 11
During assembling, one end of transfer tube 2 is connected with gas meter interface 10 for 3 component of built-in gas meter motor valve, transfer tube 2 it is another
One end is connected with link 1, by 3 component of built-in gas meter motor valve installed in gas meter housing 11, relative to existing
The structure of external valve can simplify the overall size of gas meter, flow meter, so as to reduce product storage, logistics cost and installation footprint,
And the transmission between driving motor 4 and valve rod 60 improves integrally-built transmission efficiency for single gear transmission, reduces energy
Consumption improves the service life of battery.
In addition to above preferred embodiment, the utility model also has other embodiments, and those skilled in the art can root
It is made various changes and modifications according to the utility model, without departing from the spirit of the utility model, the utility model should all be belonged to
Range defined in appended claims.
Claims (10)
1. a kind of built-in gas meter motor valve component, including being connected to the transfer tube of gas meter interface and corresponding with transfer tube setting
The motor valve put, it is characterised in that：The motor valve includes vavle shelf, jam pot cover part and driving motor, and the jam pot cover part passes through valve rod
It is connected on vavle shelf, the driving motor is equipped with driving wheel, and the valve rod is equipped with integrally formed driven wheel, the driving wheel
With relative movement of the driven wheel engaged transmission with ovable valve stem and vavle shelf, and then realize to the switch of transfer tube.
2. a kind of built-in gas meter motor valve component according to claim 1, it is characterised in that：The motor valve setting
On transfer tube, the valve rod is equipped with trapezoidal thread, and the vavle shelf is equipped with the trapezoidal nut being equipped with trapezoidal thread
Hole, the valve rod move in a straight line that jam pot cover part is driven to realize the switch to transfer tube in the trapezoidal nut hole.
3. a kind of built-in gas meter motor valve component according to claim 2, it is characterised in that：The driving motor is
Stepper motor, the stepper motor include motor body and motor shaft, and the driving wheel is fixed by integrated injection molding on motor shaft.
4. a kind of built-in gas meter motor valve component according to claim 2, it is characterised in that：The trapezoidal nut hole
It is fixed on vavle shelf by integrated injection molding.
5. a kind of built-in gas meter motor valve component according to claim 1, it is characterised in that：The transfer tube it is another
One end is equipped with O-ring, and the junction of the transfer tube and gas meter interface forms side seal by O-ring.
6. a kind of built-in gas meter motor valve component according to claim 1, it is characterised in that：The jam pot cover part includes
Jam pot cover plate, jam pot cover support plate and jam pot cover fixed plate, the jam pot cover support plate and jam pot cover fixed plate are arranged in jam pot cover plate, and valve
Envelope support plate is arranged on the top of jam pot cover fixed plate, and the jam pot cover fixed plate is mounted on valve rod.
7. a kind of built-in gas meter motor valve component according to claim 6, it is characterised in that：The jam pot cover fixed plate
For deformable structure, and the jam pot cover fixed plate is equipped with cross recess, and valve rod is equipped with card slot, and valve rod passes through after penetrating cross recess
Jam pot cover fixed plate is fixed on valve rod by card slot.
8. a kind of built-in gas meter motor valve component according to claim 7, it is characterised in that：The top of the valve rod
Equipped with the cylindrical surface for facilitating insertion into cross recess, and cylindrical surface is interference fitted with cross recess.
9. a kind of built-in gas meter motor valve component according to claim 1, it is characterised in that：The built-in gas
Meter motor valve component further includes the link being arranged in gas meter shell body, and the transfer tube is fixed on the link.
10. a kind of gas meter, flow meter, including gas meter housing, it is characterised in that：Claim 1-9 is installed in the gas meter shell body
Any one of them built-in gas meter motor valve component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721546280.1U CN207584041U (en) | 2017-11-17 | 2017-11-17 | A kind of built-in gas meter motor valve component and its gas meter, flow meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721546280.1U CN207584041U (en) | 2017-11-17 | 2017-11-17 | A kind of built-in gas meter motor valve component and its gas meter, flow meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207584041U true CN207584041U (en) | 2018-07-06 |
Family
ID=62732258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721546280.1U Active CN207584041U (en) | 2017-11-17 | 2017-11-17 | A kind of built-in gas meter motor valve component and its gas meter, flow meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207584041U (en) |
-
2017
- 2017-11-17 CN CN201721546280.1U patent/CN207584041U/en active Active
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