CN2679648Y - Mechanically prechanging gas meter - Google Patents
Mechanically prechanging gas meter Download PDFInfo
- Publication number
- CN2679648Y CN2679648Y CN 200420019436 CN200420019436U CN2679648Y CN 2679648 Y CN2679648 Y CN 2679648Y CN 200420019436 CN200420019436 CN 200420019436 CN 200420019436 U CN200420019436 U CN 200420019436U CN 2679648 Y CN2679648 Y CN 2679648Y
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- gear
- valve
- wheel
- utility
- gas meter
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- 238000005859 coupling reaction Methods 0.000 description 5
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Abstract
The utility model relates to a mechanically pre-charging gas meter, which comprises a film meter, a meter head, an external values-storing equipment and a mechanical control mechanism placed in the meter head, wherein, the mechanical control mechanism comprises a control circuit, a motor, an engaging and disengaging gear, a metering counting device, a valve and a valve hamper assembly. The metering counting device comprises a carry transformation ratio tooth gear, a residual amount case and an accumulating digit wheel group. A notched segment in the engaging and disengaging gear is directly gear-engaged with the tooth gear of a motor shaft; an engaging and disengaging wheel is gear-engaged with primary end of the transformation ratio gear; the end tooth gear of the transformation ratio gear is gear-engaged with the face gear of the valve hamper assembly and the unit's order of the residual amount case respectively; the driving wheel of the film meter is gear-engaged with the accumulating digit wheel group; thus, it can realize the controlling of the valve on and off, the gear-engaging and separation of the metering count gears. The utility model has functions of passive recharging and active running of the pre-charging, and the utility model overcomes the drawbacks of the prior arts involving using long spindle and bell crank to finish status switching of recharging and metering, and the utility model reduces the energy consumption, raising the performance and reducing the manufacture cost.
Description
Technical field
The utility model relates to a kind of gas meter, particularly a kind of mechanical prepayment diaphragm gas meter that does not need working power.
Background technology
Check meter in order to solve gas meter, flow meter, the problem of difficult charge, domestic beginning development and popularization prepaid control technology.The wherein advance water wasting of IC-card, electricity, gas meter, flow meter are accepted by users.But still there are many technology potential problems in the IC-card prepaid, and for example, it must be with driven by power, if there is not power supply, circuit just can not be worked.Secondly, memory data is easily lost.Moreover charged all the time work anti-interference problem, battery life and observation circuit stability problem, power consumption is more or the like, and problems all can't solve.So development and Development of New Generation prepayment diaphragm gas meter are the urgent task of pendulum in face of numerous scientific and technical personnel.The patent No. is that " ZL02289927.8 " " passive intelligent prepayment diaphragm gas meter " at first realized the active function of controlling with passive operation of supplementing with money of gas meter, flow meter.But because the clutch coupling of this gas meter, flow meter is connected with motor output shaft by rocking bar and then through long main shaft, when therefore clutch coupling switched between state of supplementing with money and metering state, energy loss was bigger, and easily breaks down, and clutch configuration is complicated, and noise is bigger during work.Secondly, used valve is a feather valve, in the central authorities of valve valve rod is set, promotes valve rod by push rod and make opening of valves, so push rod can not be opened valve when promoting fully, causes the valve throughput to reduce.And valve body is placed on gauge outfit and can't fixes, and comes off easily, causes fault.
Summary of the invention
The purpose of this utility model is at the defective of above-mentioned prior art and deficiency, for society provides a kind of prepaid gas meter, flow meter that does not need working power, and improves its dependability and reduces cost.
The technical scheme that the utility model adopted is: this machinery prepayment diaphragm gas meter comprises film table, gauge outfit, external value memory and places the interior mechanical controller structure of gauge outfit, wherein the mechanical controller structure comprises control circuit, motor, arrangement of clutch, quantifier counting apparatus, valve and valve control device, and the quantifier counting apparatus comprises that carry becomes
Than gear and surplus letter disk and accumulative total character wheel group, it is characterized in that described arrangement of clutch comprises the sector gear that can pivot, and the castle wheel and the magnetic devices that are fixed on the sector gear are formed, sector gear and generator shaft gear directly mesh, the first end tooth wheel engagement of castle wheel and carry no-load voltage ratio gear, the terminal gear of carry no-load voltage ratio gear respectively with a position gearing mesh of the end face compound gear of valve control section and meter surplus letter disk, the accumulative total character wheel of the driving wheel of film table and quantifier counting apparatus meshes.
Described valve comprises upper and lower folded mutually ceramic stator and the ceramic moving plate that has fan-shaped open-work, pottery moving plate and valve rod are connected to each other, their coaxial installations, and can rotate synchronously around axle, the end of valve rod links to each other with the brace of valve control mechanism by connecting rod, connecting rod is under brace drives, the pulling valve rod pivots ceramic moving plate synchronously, makes the fan-shaped open-work opening and closing of upper and lower potsherd.
The described valve control device of described valve control mechanism comprises brace, push rod, rounding wheel, thumb wheel and end face compound gear, end face compound gear and carry gearing mesh, push rod is installed on the axle, under the effect of elastic device, can pivot, one end and the brace of push rod become approximate right angle to be connected, the other end is provided with projection, and this projection is corresponding with the groove on being arranged on rounding wheel.
The outer money supplementing device of the utility model joins with the control section interface that is arranged in the table, realize the function that gas meter, flow meter itself is not established power supply, repertoire can rely on mechanical drive to finish, improved dependability, and clutch coupling directly with motor output shaft on gearing mesh, omitted prior art with main shaft and the rocking bar grown, finish and supplement and measure the state change action with money, thereby the minimizing energy consumption has improved performance, has reduced manufacturing cost.
Description of drawings
Fig. 1 is a Facad structure synoptic diagram of the present utility model.It is the structural representation of value memory.
Fig. 2 is the structural representation of the utility model value memory.
Fig. 3 is the Facad structure synoptic diagram of the utility model mechanical control device.
Fig. 4 is the structure synoptic diagram of the utility model mechanical control device.
Fig. 5 is a clutch part separation structure synoptic diagram.
Fig. 6 is the valve positioner structural representation.
Fig. 7 turns to the coupling part structural representation.
Fig. 8 is the valve mechanism synoptic diagram.
Shown in Figure 1, the utility model gauge outfit 4 of the present utility model is provided with the data port 8 of grafting value memory data port 3, accumulative total character wheel 5, and surplus letter disk 6, and red, green status indicator lamp 7 is with display power supply and duty.
External value memory 1 shown in Figure 2, that the utility model is provided with, it comprises mutual series connected battery 2, and data port 3.
Fig. 3, Fig. 4, shown in Figure 5, mechanical controller structure 9 is fixed on the shelf, is provided with electronic circuit board in a side of this shelf, and wherein CPU10 handles data, database 11 stores desired data, and the forward and backward of electronics bridge circuit 12 control motors is rotated.Valve control device is arranged on the opposite side of framework.Gear 14 on the motor shaft can mesh with the sector gear 15 in the arrangement of clutch and separate as power output wheel, this sector gear 15 is fixed on the axle 18, with axle 18 is center of circle rotation, clutch gear 16 and magnetic devices 17 are fixed on the sector gear 15, rotate (seeing accompanying drawing 5) synchronously with sector gear, clutch gear 16 is taken turns 19 engagements with the first end tooth of carry no-load voltage ratio gear all the time.The rounding wheel 28 of carry no-load voltage ratio part is arranged on the central authorities of mechanical controller structure 9, comprising four 30 to ten compound gears and three s' 30 to nine compound gear.First end tooth wheel 19 in four compound gears and three compound gear coaxial rotation, four compound gears is as power intake and castle wheel 16 engagements, and terminal gear 20 meshes as clutch end and digital rounding wheel 28.
Shown in Figure 6 is the valve control device of mechanical controller structure, it comprises that promptly 20 one-tenth 90 degree of output gear and the face gear 21 of four compound gears mesh with the terminal gear of carry no-load voltage ratio all the time, coaxial wheel disc and three rounding wheels 22 that the band involute urve is housed on this face gear 21, each rounding wheel is respectively equipped with a groove, this rounding wheel 22 is connected with axle respectively with thumb wheel 23, and intermesh, during the aligned in position of rounding wheel 22 and groove, one push rod 24 respectively is set being close to these rounding wheel 22 edges, this push rod 24 usefulness axle 26 is installed on the framework, push rod 24 can be around axle 26 rotations, the one end is provided with projection, this projection corresponds respectively to the groove of rounding wheel 22, at the junction hinged elastic device 25 of push rod 24 with rotating shaft 26, push rod makes it rotate around axle 26 under the elastic force effect of this elastic device 25, makes projection promote rounding wheel 22 and wheel tray bottom.27 one-tenth 90 degree of the other end of push rod and the brace of valve control device are connected, and under the elastic force effect of spring assembly 25, drive brace 27 rotations, thereby pass through the keying of brace 27 by-pass valve controls.When wherein 22 3 grooves of rounding wheel align, valve closing.
Shown in Fig. 2,3 is the surplus letter disk, comprises individual, ten, 103 surplus rounding wheels 28, with its coaxial respectively individual, ten, 103 surplus letter disks 6 that are connected.Wherein the accumulative total character wheel 5, include six character wheels 32 and company's gear character wheel 29.Individual position gear is by thumb wheel 23 and ten, hundred gearing mesh.
Shown in Figure 7, the utility model is provided with the end face coupling part, comprises the protruding gear 30 that is connected with gauge outfit, the link 31 that is used for fixing this gear, projection gear 30 meshes with connecting gear 29 by gear set as the power input gear that turns to connection, carries out metrological operation.
Valve part shown in Figure 8, it comprises upper and lower folded mutually ceramic stator 34, the ceramic moving plate 35 that has a fan-shaped open-work, and the fixing shelf 37 of potsherd 34,35.Pottery moving plate 35 is connected to each other with valve rod, coaxial being installed on the rotation axis 36, on shelf 37, be provided with locating device 38, elastic device 39, one end of valve rod is fixed on the locating device 38 by elastic device, and the other end is connected with the brace 27 of valve control mechanism by connecting rod 33, during the upper and lower motion of brace 27, the rotation of pulling connecting rod, valve rod moving axis 36 rotation that rotates under the effect of connecting rod 33 makes the ascending unlatching of fan-shaped open-work of upper and lower potsherd, otherwise descending until closing.
The utility model machinery prepayment diaphragm gas meter is not when supplementing with money, the surplus letter disk of this table and the display disc of accumulative total character wheel all are zero, three projectioies of valve control mechanism push rod 24 are absorbed in respectively in three grooves of rounding wheel 22, the brace 27 of valve control device is static, valve rod on the valve is not spurred by the rotation of connecting rod 33, ceramic moving plate 35 on the valve covers mutually with the fan-shaped open-work of ceramic stator 34, and valve is in closed condition, and no combustion gas is passed through.When supplementing with money, the drives motor rotates, motor output shaft gear 14 drives the sector gear 15 of arrangement of clutch, make sector gear 15 around axle 18 rotations, meanwhile the clutch gear 16 on the fixed sectors gear rotates synchronously, and it gives transmission of power on the first end tooth wheel 19 of compound gear, just end tooth wheel 19 drives magnetoelectricity wheel rotation beginning to carry out electronic counting, and be converted into electric pulse and feed back to control circuit and count processing, the surplus letter disk of metering counting rotates, and has changed numeral and has been zero condition.At this moment, the projection of brace 27 drive push rods 24 ends is left rounding wheel 22 grooves, the position that valve is in out.Supplement with money finish after, the counter-rotating of control circuit control motor, quadrant tooth is got back to initial state, castle wheel 16 is promptly write the engagement of counting character wheel with the wheel for inputting of quantifier counting apparatus, the surplus letter disk and the accumulative total character wheel of watch core are counted, enter the metering state, this moment the surplus letter disk since the engagement of castle wheel 16 with the rotational synchronization backward rotation of surplus letter disk in the metering counting, the numeral above it shows the function that counts down.When the device that counts down was shown as zero, the groove of valve control device was absorbed in by the push rod projection just, and the fan-shaped open-work of ceramic moving plate and ceramic stator is covered mutually, valve closing stops air feed, after waiting to supplement with money, repeat said process, to realize passive supplementing with money, the pre paid functionality of active operation.
Claims (3)
1, a kind of mechanical prepayment diaphragm gas meter, it comprises the film table, gauge outfit, external value memory and place mechanical controller structure in the gauge outfit, wherein the mechanical controller structure comprises control circuit, motor, arrangement of clutch, the quantifier counting apparatus, valve and valve control device, the quantifier counting apparatus comprises carry no-load voltage ratio gear and surplus letter disk and accumulative total character wheel group, it is characterized in that described arrangement of clutch comprises the sector gear that can pivot, and the castle wheel and the magnetic devices that are fixed on the sector gear are formed, sector gear and generator shaft gear directly mesh, the first end tooth wheel engagement of castle wheel and carry no-load voltage ratio gear, the terminal gear of carry no-load voltage ratio gear respectively with the end face compound gear of valve control section, and a position gearing mesh of meter surplus letter disk, the accumulative total character wheel engagement of the driving wheel of film table and quantifier counting apparatus.
2, mechanical prepayment diaphragm gas meter according to claim 1, it is characterized in that described valve portion branch comprises upper and lower folded mutually ceramic stator and the ceramic moving plate that has fan-shaped open-work, the pottery moving plate is connected with valve rod, their coaxial installations, and can pivot, one end of valve rod is positioned on the shelf of fixing ceramic stator, the other end links to each other with the brace of valve control device by connecting rod, connecting rod is under brace drives, the pulling valve rod, ceramic moving plate is pivoted, make the fan-shaped open-work opening and closing of upper and lower potsherd.
3, mechanical prepayment diaphragm gas meter according to claim 1 and 2, it is characterized in that described valve control device comprises brace, push rod, rounding wheel, thumb wheel and end face compound gear, end face compound gear and carry gearing mesh, push rod is installed on the axle, under the effect of elastic device, can pivot, one end and the brace of push rod become approximate right angle to be connected, and the other end is provided with projection, and this projection is corresponding with the groove on being arranged on rounding wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420019436 CN2679648Y (en) | 2004-01-13 | 2004-01-13 | Mechanically prechanging gas meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420019436 CN2679648Y (en) | 2004-01-13 | 2004-01-13 | Mechanically prechanging gas meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2679648Y true CN2679648Y (en) | 2005-02-16 |
Family
ID=34583159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420019436 Expired - Fee Related CN2679648Y (en) | 2004-01-13 | 2004-01-13 | Mechanically prechanging gas meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2679648Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107997949A (en) * | 2017-12-23 | 2018-05-08 | 广州蓝仕威克医疗科技有限公司 | A kind of pneumatic counter |
-
2004
- 2004-01-13 CN CN 200420019436 patent/CN2679648Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107997949A (en) * | 2017-12-23 | 2018-05-08 | 广州蓝仕威克医疗科技有限公司 | A kind of pneumatic counter |
| CN107997949B (en) * | 2017-12-23 | 2023-05-09 | 广州蓝仕威克医疗科技有限公司 | Pneumatic counter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |