CN203732122U - Built-in mechanical gas meter of gas temperature conversion device - Google Patents
Built-in mechanical gas meter of gas temperature conversion device Download PDFInfo
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- CN203732122U CN203732122U CN201420081694.1U CN201420081694U CN203732122U CN 203732122 U CN203732122 U CN 203732122U CN 201420081694 U CN201420081694 U CN 201420081694U CN 203732122 U CN203732122 U CN 203732122U
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Abstract
The utility model discloses a built-in mechanical gas meter of a gas temperature conversion device. The built-in mechanical gas meter mainly comprises a shell, a movement, a counting device and a transmission mechanism, wherein both the movement and the counting device are arranged in the shell, and the transmission mechanism drives the counting device to count revolutions of the movement. The movement is provided with a crank-link mechanism. The built-in mechanical gas meter is characterized in that the movement is provided with a temperature conversion device and a reversing device, the reversing device is respectively connected with the temperature conversion device and the transmission mechanism, and the temperature conversion device is connected with the crank-link mechanism. The built-in mechanical gas meter is simple in structure and low in cost, the temperature conversion device and the reversing device are arranged on the movement, the problem of gas temperature conversion of existing mechanical film type gas meters in different environments is solved, affection on transaction fairness of the gas meter from the temperature of the using environment is reduced, and accordingly, the gas meter is applicable to popularization and use.
Description
Technical field
The utility model relates to a kind of diaphragm gas meter, relates in particular to a kind of gas meter, flow meter of built-in mechanical type gas temperature conversion equipment.
Background technology
Diaphragm gas meter is a kind of gas meter being widely used, have that the accuracy of measuring is higher, broad quantum, stable performance, technique are easy to control, cost performance advantages of higher, but the calibrating of existing diaphragm gas meter completes at 20 ± 2 DEG C of constant temperature, and the transaction temperature of regulation is also this temperature.And the operating ambient temperature of actual gas meter, flow meter is constantly to change, the combustion gas of certain calorific value, when pressure is constant, temperature and volume are proportional, even if what therefore gas meter, flow meter showed at varying environment temperature is not identical with the identical calorific value of gas volume yet, cause diaphragm gas meter to be used for measuring the unjustness of transaction, just because of the existence of this defect.Therefore traditional mechanical diaphragm gas meter has gradually the trend by digital gas meter replaced, digital gas meter metering accurately, the gas temperature of the combustion gas under varying environment to the identical calorific value conversion by pressure transducer and temperature sensor, can meet the daily required gas demand of using, but the manufacturing cost of digital gas meter is higher, therefore it is popularized and causes certain obstruction.Also having kind of a solution is on common diaphragm gas meter, to install thermosensitive bimetal additional to change centre wheel crank length, changes gas meter, flow meter revolution volume thereby reach by temperature variation, makes gas meter, flow meter metering realize the object of gas temperature conversion.But the primary characteristic that changes separately crank and just changed crank and rocker mechanism, exerts a certain influence to measuring accuracy.Moreover change centre wheel crank length and just changed the each degree stretching of epithelium, in the situation that epithelium does not launch completely, the measuring accuracy of gas meter, flow meter is caused to serious impact, particularly curve aperture strengthens, uncontrollable.
Because the gaseous tension of registering one's residence of gas company is through voltage adjusting device pressure regulation, be tending towards constant through the pressure of gas meter, flow meter, according to gay lussacs law: V
t=V
tthe gas of [1+a (t-T)] known certain mass, when pressure is constant, temperature and volume are proportional.For realizing gas company and user's interests equality, be necessary the mechanical diaphragm gas meter of existing structure to make improvements, the gas temperature transfer problem that solves mechanical diaphragm gas meter under varying environment, measures on gas meter, flow meter the impact that justice of exchange was caused to reduce environment for use temperature.
Utility model content
The purpose of this utility model is to provide a kind of gas meter, flow meter of built-in mechanical type gas temperature conversion equipment, to expect solving above-mentioned deficiency not by any electronic equipment in the situation that.
The object of utility model is achieved through the following technical solutions:
A gas meter, flow meter for built-in mechanical type gas temperature conversion equipment, mainly by housing, is all arranged on movement and the counting assembly of enclosure interior, and drives counting assembly movement revolution to be carried out to the gear train composition of accumulative total; On described movement, be also provided with toggle, on described movement, be also respectively equipped with temperature conversion device and reversing arrangement, described reversing arrangement is also connected with temperature conversion device and gear train respectively, and described temperature conversion device is also connected with toggle.
Further, described movement comprise be provided with central shaft bellows, be enclosed within the distribution valve valve seat that is fixedly connected with on central shaft and with bellows, by matching and merge the axle sleeve that can rotate and be connected to centre wheel on bellows, be fixedly connected on the distribution valve valve gap matching on axle sleeve and with distribution valve valve seat with central shaft, described toggle is connected with bellows and centre wheel respectively, and described temperature conversion device is connected on centre wheel.
Further, described temperature conversion device comprise have cam path pillar and chute rocker, be connected in chute and slide block, the one end that can slide along chute be connected to the other end on rocker and be connected to the deformable metal sheet on slide block, on described centre wheel, be provided with the cam path matching with cam path pillar, described cam path pillar is arranged in cam path and can slides along cam path; On described bellows, be provided with the support with column, described rocker is socketed on column and can rotates; Described reversing arrangement is connected on slide block by sliding rack.
Wherein, described deformable metal sheet and rocker and/or slide block are hinged.
Further, on described slide block, be provided with shifting shaft, be provided with the bar blocks with bar hole on described sliding rack, described shifting shaft is arranged in bar hole and can slides along bar hole.
Simultaneously, on described bellows, be provided with support, described reversing arrangement comprises output shaft rack-mount and that can rotate, be separately fixed at ratchet A and ratchet B and Shifting rack on this output shaft, be enclosed within on output shaft and ratchet A and and ratchet B between and be fixed on the transition braces on support, described transition braces coordinates with output shaft clearance, and described gear train is connected on Shifting rack; On described transition braces, be provided with the transition tooth that can rotate, be provided with the ratchet A that is meshed with transition tooth and matches with ratchet A in described transition braces one side, be provided with at described transition braces opposite side the ratchet B that transition tooth is meshed and match with ratchet B, on described ratchet B, be also provided with the Cylinder Gear being meshed with sliding rack; When described ratchet A engages with ratchet A, ratchet B and ratchet B skid, and when described ratchet B engages with ratchet B, ratchet A and ratchet A skid.
In order to satisfy the demand, described transition tooth is made as two, and these two transition teeth are symmetrical.
In order to realize better the utility model, on described distribution valve valve seat, be respectively equipped with four portings, on described distribution valve valve gap, be provided with simultaneously a wherein two portings corresponding air intake opening and the exhausr port being connected one by one with distribution valve valve seat; Described bellows inside is provided with two measuring rooms, in described each measuring room, be also provided with this measuring room is divided into two independently epitheliums of metering cavity, described epithelium is connected with toggle by epithelium clamping plate, and described each metering cavity respectively with the porting corresponding connection one by one of distribution valve valve seat.
In order to ensure effect, described toggle is two groups, every group of toggle comprise connect successively affect arm, vertical shaft, rocking bar and connecting rod, described in affect arm to be also connected with epithelium clamping plate, on described centre wheel, be provided with the biasing post being connected with connecting rod.
The utility model is compared compared with prior art, has the following advantages and beneficial effect:
(1) the utility model is not only simple in structure, and with low cost, on its movement, be also respectively equipped with temperature conversion device and reversing arrangement, thereby can solve the gas temperature transfer problem of mechanical diaphragm gas meter under varying environment, to reduce environment for use temperature, gas meter, flow meter be measured to the impact that justice of exchange was caused.
(2) bellows of the present utility model is provided with the centre wheel being connected with temperature conversion device, this centre wheel is also connected with toggle, under the effect of toggle, can drive centre wheel to rotate, this centre wheel can drive distribution valve valve gap to rotate, and also can drive temperature conversion device motion simultaneously.
(3) temperature conversion device of the present utility model comprises the rocker with cam path pillar, and the cam path pillar of this rocker is arranged in the cam path matching with cam path pillar on centre wheel, thereby can drive rocker to do arc swing by the rotation of centre wheel; In the chute of rocker, be also connected with slidably slide block, deformable metal sheet one end is connected on rocker, the other end is connected on slide block, in the time that temperature changes, the length of deformable metal sheet is linear change, thereby can in the chute of rocker, slide with movable slider; Reversing arrangement is also connected on slide block by sliding rack, thereby can power be passed to reversing arrangement by sliding rack.
(4) slide block of the present utility model is provided with shifting shaft, shifting shaft is the effective length of rocking arm to the distance of rocker rotation center, in the time that combustion gas environment for use temperature changes, the length of deformable metal sheet will change, thereby can make slide block slide in the chute of rocker, can change ratio of gear by the actual arm progress that changes rocking arm, thereby reach the object of the gas temperature conversion at varying environment temperature; On described sliding rack, be provided with the bar blocks with bar hole, described shifting shaft is arranged in bar hole and can slides along bar hole, thereby can power be passed to sliding rack by the effect of shifting shaft and bar hole, and can make the output of motion forward by the effect of sliding rack and reversing arrangement, thereby counting assembly can correctly be counted.
(5) reversing arrangement of the present utility model comprises output shaft, on output shaft, be also respectively equipped with ratchet A and ratchet B and Shifting rack, on ratchet B, be combined with ratchet B, on ratchet A, be combined with ratchet A, ratchet A lays respectively at the both sides of transition braces and engages with transition tooth with ratchet B simultaneously, thereby can make this ratchet B be meshed with sliding rack, thereby can make ratchet A engage with ratchet A time, ratchet B and ratchet B skid, when ratchet B engages with ratchet B, ratchet A and ratchet A skid, can ensure that output shaft drives Shifting rack to clockwise rotate, the gear train forward that will move through that can make to be connected on Shifting rack is passed to counting assembly, counting assembly is correctly counted.
Brief description of the drawings
Fig. 1 is one-piece construction schematic diagram of the present utility model.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the inner structure schematic diagram of bellows of the present utility model.
Fig. 4 is the structural representation of centre wheel of the present utility model.
Fig. 5 is that temperature conversion device of the present utility model is structural representation.
Fig. 6 is the structural representation of reversing arrangement of the present utility model.
Wherein, the corresponding name of the Reference numeral in accompanying drawing is called:
1-bellows, 2-measuring room, 3-epithelium, 4-distribution valve valve seat, 5-distribution valve valve gap, 6-centre wheel, 6-1-cam path, 7-gas outlet, 8-epithelium clamping plate, 9-axle sleeve, 10-cam path pillar, 11-rocker, 11-1-chute, 12-slide block, 13-deformable metal sheet, 14-sliding rack, 15-support, 16-output shaft, 17-ratchet A, 18-ratchet A, 19-transition braces, 20-transition tooth, 21-ratchet B, 22-ratchet B, 23-Shifting rack, 24-affect arm, 25-vertical shaft, 26-rocking bar, 27-connecting rod, 28-shifting shaft, 29-biasing post, 30-bar blocks, 30-1-bar hole, 31-column.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail:
Embodiment
As shown in Fig. 1～6, gas meter, flow meter of the present utility model, is mainly made up of housing, is provided with movement and records the counting assembly of gas consumption in described enclosure interior.On described counting assembly, be also connected with gear train, described gear train drives counting assembly to add up movement revolution, thereby can record the consumption of combustion gas.Counting assembly of the present utility model and gear train are identical with the structure of the counting assembly using on existing diaphragm gas meter and gear train.
Described movement comprises bellows 1, described bellows 1 inside has cavity, and is provided with two measuring rooms 2 in this bellows 1 inside, as shown in Figure 3, in described each measuring room 2, be also provided with this measuring room 2 is divided into two independently epitheliums 3 of metering cavity, and this epithelium 3 can rotate.On described bellows 1, be also provided with distribution valve valve seat 4 and distribution valve valve gap 5, described distribution valve valve seat 4 is fixed on bellows 1, and described distribution valve valve gap 5 matches and merges the top that is positioned at distribution valve valve seat 4 with distribution valve valve gap 4.On described bellows 1, be also provided with central shaft, this central shaft fixedly runs through distribution valve valve seat 4 and distribution valve valve gap 5, and described distribution valve valve gap 4 is fixedly connected with central shaft, and 5 energy of described distribution valve valve gap rotate relative to central shaft.
On described distribution valve valve seat 4, be respectively equipped with four portings, and on bellows 1, be also provided with the through hole being connected with each metering cavity, through hole on described bellows 1 and porting corresponding connection one by one on distribution valve valve seat 4, thus make metering cavity and porting corresponding connection one by one on distribution valve valve seat 4.Simultaneously, on described distribution valve valve gap 5, be provided with the air intake opening and the exhausr port that match with the porting of distribution valve valve seat 4, when the air intake opening of described distribution valve valve gap 5 is connected with one of them porting of distribution valve valve seat 4, the exhausr port of this distribution valve valve gap 5 is connected with wherein another porting of distribution valve valve seat 4 simultaneously, thereby can form combustion gas enters in one of them metering cavity of a measuring room 2 by the air intake opening of distribution valve valve gap 5 and the porting of distribution valve valve seat 4, the path that exhausr port by distribution valve valve gap 5 is discharged after distribution valve valve seat 4 from another metering cavity of this measuring room 2 again.For the ease of discharging combustion gas, on described housing, be also provided with gas outlet 7.
Epithelium 3 of the present utility model is also connected with toggle by epithelium clamping plate 8, on described bellows 1, is also provided with centre wheel 6, and described toggle is also connected with centre wheel 6.For the ease of connecting, on described centre wheel 6, be provided with the axle sleeve 9 matching with the central shaft of bellows 1, as shown in Figure 4, described centre wheel 6 is connected on bellows 1 after coordinating with central shaft by its axle sleeve 9, described axle sleeve 9 is clearance fit with central shaft, and axle sleeve 9 can rotate relative to central shaft.5 of described distribution valve valve gaps are fixed on axle sleeve 9, and distribution valve valve gap 5 is rotatable.
When use, when combustion gas is when the measuring room 2, produce fluid passage along journey and local pressure loss, diaphragm gas meter is imported and exported and is produced pressure reduction, promote epithelium 32 motions in measuring room of diaphragm gas meter.The epithelium 3 of two measuring rooms 2 rotates by toggle centre wheel 6, thereby drive distribution valve valve gap 5 to rotate on distribution valve valve seat 4, coordinate distribution, make two metering cavities in each measuring room 2 often turn the gas that successively sucks and discharge the volume of having one's bosom filled with, realize the automatic operation of movement.
For the ease of toggle being connected on centre wheel 6, on described centre wheel 6, be also provided with biasing post 29, described brace and connecting rod framework is connected on biasing post 29.Described toggle is two groups, and every group of toggle and epithelium 3 connect one to one, described every group of toggle comprise connect successively affect arm 24, vertical shaft 25, rocking bar 26 and connecting rod 27, as shown in Figure 1.The described arm 24 of affecting is erect and is arranged with vertical shaft 25, described in affect the upper end of arm 24 to be connected with the lower end of vertical shaft 25, this affects the lower end of arm 24 to be arranged on epithelium clamping plate 8.Described rocking bar 26 is horizontally disposed with 27, connecting rod, and described rocking bar 26 one end are connected to the upper end of vertical shaft 25, and the other end of this rocking bar 26 is connected with connecting rod 27.Described connecting rod 27 two ends have through hole, through hole and the rocking bar 26 of these connecting rod 27 one end match, the through hole of these connecting rod 27 other ends matches with biasing post 29, and described connecting rod 27 is connected with rocking bar 26 and biasing post 29 respectively after coordinating with rocking bar 26 and biasing post 29 by its through hole.
The gas temperature transfer problem that solves mechanical diaphragm gas meter under varying environment, measures on gas meter, flow meter the impact that justice of exchange was caused to reduce environment for use temperature, on described centre wheel 6, is also provided with temperature conversion device and reversing arrangement.Described temperature conversion device comprises rocker 11, as shown in Figure 5, is respectively equipped with cam path pillar 10 and chute 11-1 on described rocker 11.On described centre wheel 6, be provided with the cam path 6-1 matching with cam path pillar 10, as shown in Figure 4,11 of described rockers coordinate with cam path 6-1 by cam path pillar 10 or are arranged on centre wheel 6.When centre wheel 6 rotates, under the effect of cam path pillar 10 and cam path 6-1, can make rocker 11 do arc swing.On described bellows 1, be also provided with the support 15 with column 31, described support 15 is fixed on bellows 1.On described rocker 11, be provided with the through hole matching with column 31, described rocker 11 is connected on support 15 after coordinating with column 31 by its through hole, as shown in Figure 2, and the through hole of described rocker 11 and column 31 be clearance fit, and rocker 11 can rotate relative to column 31.
On described rocker 11, be also provided with slide block 12, described slide block 12 matches to merge with chute 11-1 and is arranged in chute 11-1, and this slide block 12 can slide along chute 11-1.On described rocker 11, be also provided with deformable metal sheet 13, described deformable metal sheet 13 is made by two kinds of different metal materials of expansion coefficient, and, at varying environment temperature, the length of described deformable metal sheet 13 is linear change.Described deformable metal sheet 13 one end are connected on rocker 11, the other end of this deformable metal sheet 13 is connected on slide block 12, in the time that the variation of environment causes that deformable metal sheet 13 deforms and makes the length variations of this deformable metal 13, this deformable metal sheet 13 slides in the chute 11-1 of rocker 11 with movable slider 12.Deformable metal sheet 13 in the present embodiment is hinged with rocker 11 and slide block 12 respectively, and described deformable metal sheet 13 also can be connected with slide block 12 with rocker 11 in other way.
For the ease of being connected with reversing arrangement, on described slide block 12, be also provided with sliding rack 14, as shown in Figure 5.On described sliding rack 14, be provided with the bar blocks 30 with bar hole 30-1, meanwhile, be provided with the shifting shaft 28 matching with bar hole 30-1 on described slide block 12, described shifting shaft 28 is arranged in bar hole 30-1 and can slides along bar hole 30-1.Described reversing arrangement comprises the output shaft 16 that is arranged on support 15 and can rotates, is separately fixed at ratchet A17 and ratchet B21 and Shifting rack 23 on this output shaft 16, and described gear train is connected on Shifting rack 23.On described output shaft 16, also cover has transition braces 19, between this transition braces 19 and output shaft 16, is clearance fit, and this transition braces 19 is fixed on support 15, and described transition braces 19 is between ratchet A17 and ratchet B21.On described transition braces 19, be provided with the transition tooth 20 that can rotate, the transition tooth 20 in the present embodiment is made as two, and as shown in Figure 6, and described two transition teeth 20 lay respectively at the both sides of transition braces 19 symmetrically.
Be provided with in described transition braces 19 1 sides the ratchet A18 being meshed with transition tooth 20, described ratchet A18 also matches with ratchet A17.The tooth that described ratchet A18 is meshed with transition tooth 20 is end-tooth, and this end-tooth is obliquely installed, and this end-tooth tilts toward the clockwise direction.Be provided with at described transition braces 19 opposite sides the ratchet B22 that the ratchet B21 that matches with ratchet B21 matches, described ratchet B22 is also meshed with transition tooth 20.The tooth that described ratchet B22 is meshed with transition tooth 20 is also end-tooth, and this end-tooth is also obliquely installed, and this end-tooth is also to tilt toward the clockwise direction.Meanwhile, on described ratchet B22, be also provided with the Cylinder Gear being meshed with tooth bar 14, as shown in Figure 6.
Rotatablely moving of centre wheel 6 of the present utility model adds up movement revolution by temperature conversion device, reversing arrangement, gear train band motivation counting assembly, movement four the full metering cavity volumes of discharging that often rotate a circle are the revolution volumes of gas meter, flow meter, and the revolution volume of every diaphragm gas meter is a relatively-stationary parameter.Under different operating environment, the calorific value of each revolution volume combustion gas is not identical with same volume fuel gases calorific value under standard state, therefore, the metering existence of diaphragm gas meter and same gas gas volume situation not etc. under standard environment under different operating environment temperature.Make the meter reading of diaphragm gas meter under different metering temperatures identical at the gas volume under standard environment with same gas, just must make gas meter, flow meter output to ratio of gear with the difference of the environment temperature continuous change of character wheel of counter between rotating from movement transmission, i.e. when when temperature rise, ratio of gear becomes large, temperature drop, ratio of gear reduces.Will change ratio of gear according to diaphragm gas meter internal operations feature can only make rotatablely moving of centre wheel 6 become the arc swing of rocker 11 by crank and rocker mechanism, making the arc swing of rocker 11 change the straight reciprocating motion of sliding rack 14 into by slide block 12 again, is then that reversing arrangement of the present utility model makes the straight reciprocating motion of sliding rack 14 become the uninterrupted one-directional rotation of output shaft 16 by rack-and-pinion in conjunction with planetary wheeling mechanism.As long as just can change ratio of gear by the actual brachium that changes rocking arm.Thereby reach the object of the gas temperature conversion at varying environment temperature.The shifting shaft 28 of slide block 12 is exactly rocking arm effective rake to the distance of the rotation center of rocker 11.
In the time that sliding, sliding rack 14 drive ratchet B22 to turn clockwise to the right, now ratchet B22 and ratchet B21 engaging, ratchet B21 clockwise rotates under the drive of ratchet B, and ratchet B drives output shaft 16 to clockwise rotate simultaneously, and 16 of output shafts drive ratchet A17 and Shifting rack 23 to clockwise rotate.Transition tooth 20 engages with ratchet B22 and ratchet A18 simultaneously, and therefore under the effect of transition tooth 20, ratchet A18 rotates counterclockwise, and now ratchet A17 is clockwise rotating, so ratchet A and ratchet A skid.
In the time that sliding rack 14 slides, drive ratchet B22 to be rotated counterclockwise left, and transition tooth 20 engages simultaneously with ratchet B22 and ratchet A18, therefore drive ratchet A18 to clockwise rotate.Now ratchet A18 and ratchet A17 engaging therefore drive output shaft 16 to clockwise rotate simultaneously, and 16 of output shafts drive ratchet B21 and Shifting rack 23 to clockwise rotate, and now ratchet B22 is in pin rotation counterclockwise, so ratchet B22 and ratchet B21 skid.Be described ratchet A18 while engaging with ratchet A17 ratchet B22 and ratchet B21 skid, when described ratchet B22 engages with ratchet B21, ratchet A18 and ratchet A17 skid.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a gas meter, flow meter for built-in mechanical type gas temperature conversion equipment, mainly by housing, is all arranged on movement and the counting assembly of enclosure interior, and drives counting assembly movement revolution to be carried out to the gear train composition of accumulative total; On described movement, be also provided with toggle, it is characterized in that: on described movement, be also respectively equipped with temperature conversion device and reversing arrangement, described reversing arrangement is also connected with temperature conversion device and gear train respectively, and described temperature conversion device is also connected with toggle.
2. according to the gas meter, flow meter of a kind of built-in mechanical type gas temperature conversion equipment claimed in claim 1, it is characterized in that: described movement comprises the bellows (1) that is provided with central shaft, be enclosed within the distribution valve valve seat (4) being fixedly connected with on central shaft and with bellows (1), by matching and merge the axle sleeve (9) that can rotate and be connected to bellows (1) and go up centre wheel (6) with central shaft, be fixedly connected on the distribution valve valve gap (5) that axle sleeve (9) is upper and match with distribution valve valve seat (4), described toggle is connected with bellows (1) and centre wheel (6) respectively, described temperature conversion device is connected on centre wheel (6).
3. according to the gas meter, flow meter of a kind of built-in mechanical type gas temperature conversion equipment claimed in claim 2, it is characterized in that: described temperature conversion device comprises the rocker (11) with cam path pillar (10) and chute (11-1), be connected in chute (11-1) and the slide block (12) that can slide along chute (11-1), one end is connected to the upper other end of rocker (11) and is connected to the deformable metal sheet (13) on slide block (12), on described centre wheel (6), be provided with the cam path (6-1) matching with cam path pillar (10), described cam path pillar (10) is arranged in cam path (6-1) and can slides along cam path (6-1), on described bellows (1), be provided with the have column support (15) of (31), it is upper and can rotate that described rocker (11) is socketed in column (31), described reversing arrangement is connected on slide block (12) by sliding rack (14).
4. according to the gas meter, flow meter of a kind of built-in mechanical type gas temperature conversion equipment claimed in claim 3, it is characterized in that: described deformable metal sheet (13) is hinged with rocker (11) and/or slide block (12).
5. according to the gas meter, flow meter of a kind of built-in mechanical type gas temperature conversion equipment described in claim 3 or 4, it is characterized in that: on described slide block (12), be provided with shifting shaft (28), on described sliding rack (14), be provided with the have bar hole bar blocks (30) of (30-1), described shifting shaft (28) is arranged in bar hole (30-1) and can slides along bar hole (30-1).
6. according to the gas meter, flow meter of a kind of built-in mechanical type gas temperature conversion equipment claimed in claim 5, it is characterized in that: described reversing arrangement comprises that being arranged on support (15) goes up the output shaft (16) that also can rotate, be separately fixed at the ratchet A(17 on this output shaft (16)) and ratchet B(21) and Shifting rack (23), being enclosed within output shaft (16) goes up and is positioned at ratchet A and (17) and ratchet B(21) between and be fixed on the transition braces (19) on support (15), described transition braces (19) and output shaft (16) clearance fit, described gear train is connected on Shifting rack (23), on described transition braces (19), be provided with the transition tooth (20) that can rotate, described transition braces (19) one sides be provided be meshed with transition tooth (20) and with ratchet A(17) the ratchet A(18 that matches), described transition braces (19) opposite side be provided with that transition tooth (20) is meshed and with ratchet B(21) the ratchet B(22 that matches), at described ratchet B(22) on be also provided with the Cylinder Gear being meshed with sliding rack (14), described ratchet A(18) with ratchet A(17) ratchet B(22 while engaging) and with ratchet B(21) skid, described ratchet B(22) with ratchet B(21) ratchet A(18 while engaging) and ratchet A(17) skid.
7. according to the gas meter, flow meter of a kind of built-in mechanical type gas temperature conversion equipment claimed in claim 6, it is characterized in that: described transition tooth (20) is made as two, and these two transition teeth (20) are symmetrical.
8. according to the gas meter, flow meter of a kind of built-in mechanical type gas temperature conversion equipment described in claim 6 or 7, it is characterized in that: on described distribution valve valve seat (4), be respectively equipped with four portings, on described distribution valve valve gap (5), be provided with simultaneously a wherein two portings corresponding air intake opening and the exhausr port being connected one by one with distribution valve valve seat (4); Described bellows (1) inside is provided with two measuring rooms (2), in described each measuring room (2), be also provided with this measuring room (2) is divided into two independently epitheliums of metering cavity (3), described epithelium (3) is connected with toggle by epithelium clamping plate (8), and described each metering cavity respectively with the porting corresponding connection one by one of distribution valve valve seat (4).
9. according to the gas meter, flow meter of a kind of built-in mechanical type gas temperature conversion equipment claimed in claim 8, it is characterized in that: described toggle is two groups, every group of toggle comprise connect successively affect arm (24), vertical shaft (25), rocking bar (26) and connecting rod (27), the described arm (24) that affects is also connected with epithelium clamping plate (8), is also provided with the biasing post (29) being connected with connecting rod (27) on described centre wheel (6).
10. according to the gas meter, flow meter of a kind of built-in mechanical type gas temperature conversion equipment claimed in claim 3, it is characterized in that: described deformable metal sheet (13) is made up of two kinds of different metal materials of thermal expansivity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420081694.1U CN203732122U (en) | 2014-02-25 | 2014-02-25 | Built-in mechanical gas meter of gas temperature conversion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420081694.1U CN203732122U (en) | 2014-02-25 | 2014-02-25 | Built-in mechanical gas meter of gas temperature conversion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203732122U true CN203732122U (en) | 2014-07-23 |
Family
ID=51202187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420081694.1U Withdrawn - After Issue CN203732122U (en) | 2014-02-25 | 2014-02-25 | Built-in mechanical gas meter of gas temperature conversion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203732122U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103791969A (en) * | 2014-02-25 | 2014-05-14 | 成都秦川科技发展有限公司 | Gas meter internally provided with mechanical gas temperature conversion device |
-
2014
- 2014-02-25 CN CN201420081694.1U patent/CN203732122U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103791969A (en) * | 2014-02-25 | 2014-05-14 | 成都秦川科技发展有限公司 | Gas meter internally provided with mechanical gas temperature conversion device |
| CN103791969B (en) * | 2014-02-25 | 2016-09-21 | 成都秦川科技发展有限公司 | A kind of gas meter, flow meter of Built-in mechanical gas temperature conversion equipment |
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