CN110274637B - Rotary wing type water meter - Google Patents
Rotary wing type water meter Download PDFInfo
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- CN110274637B CN110274637B CN201910725884.XA CN201910725884A CN110274637B CN 110274637 B CN110274637 B CN 110274637B CN 201910725884 A CN201910725884 A CN 201910725884A CN 110274637 B CN110274637 B CN 110274637B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 96
- 230000005540 biological transmission Effects 0.000 claims abstract description 54
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000007704 transition Effects 0.000 claims abstract description 12
- 208000032369 Primary transmission Diseases 0.000 claims description 13
- 208000032370 Secondary transmission Diseases 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 239000002274 desiccant Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 230000035945 sensitivity Effects 0.000 description 5
- 239000011521 glass Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/20—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow
- G01F1/28—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow by drag-force, e.g. vane type or impact flowmeter
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/007—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus comprising means to prevent fraud
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/06—Indicating or recording devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention provides a rotary wing type water meter, which comprises an impeller metering mechanism and a counting mechanism, wherein the impeller metering mechanism comprises a gear box, an impeller box and impellers in the impeller box, the counting mechanism comprises a gear system, a pointer and a character wheel system, the gear system comprises a transition gear, a second central gear, a first transmission shaft and a second transmission shaft which are coupled with each other by magnetic elements, and the first transmission shaft, the second transmission shaft, the third transmission shaft, the fourth transmission shaft, the fifth transmission shaft, the sixth transmission shaft, the seventh transmission shaft, the eighth transmission shaft and the worm gear are sequentially meshed and connected.
Description
Technical Field
The invention relates to the field of water meter equipment, in particular to a rotary wing type water meter.
Background
The rotary wing type water meter is a kind of speed type water meter, the application scope is extensive, rotary wing type water meter can be divided into multiple stream, single stream, wherein the multiple stream indicates that the multiple water stream flows in from impeller box all around, drive impeller rotation, rotary wing multiple stream formula water meter, as shown in figure 1, the water stream gets into from impeller box, promote impeller rotation, after the metering mechanism, show the flow by the counter, the counter includes pointer type, word wheel, pointer word wheel combination formula, and rotary wing multiple stream formula water meter is divided into dry-type, wet-type again, the difference lies in, impeller and gear system separate in the dry-type, through magnetic coupling transmission, for this, the magnet is put in order to disturb the water meter operation outside the part of user, need to improve.
In addition, in the water meter installation process, the common flip type is easy to be limited by the installation of a peripheral wall and the like, and the water meter is inconvenient to check.
In addition, the measuring range of the water meter is limited, and the sensitivity of the existing water meter is insufficient for small-flow water consumption of a user, so that the water meter cannot be effectively measured and needs improvement.
Disclosure of Invention
Accordingly, an object of the present invention is to provide a rotary-wing water meter, which solves at least one of the above problems.
In order to solve the technical problems, the technical scheme of the invention is as follows:
A rotary-wing water meter is composed of an impeller metering mechanism consisting of gear box, impeller box and impellers in it, a counting mechanism consisting of gear system consisting of transition gear, the second central gear, the first and the second drive shafts with magnetic elements, and the first and the second drive shafts with stepped, the third, the fourth, the fifth, the sixth, the seventh, the eighth and the worm gears, and the first-eighth gear shafts consisting of primary and secondary drive gears, and a pointer and a word wheel system, and the first-eighth gear shafts consisting of primary and secondary drive gears, said first and second drive gears being engaged with said first central gears, the second central gear is arranged on a second transmission shaft positioned in the gear box and is meshed and connected with the first gear shaft primary transmission gear, the teeth of the first central gear are 9 to 11 teeth, the teeth of the transition gear are 24 to 26 teeth, the teeth of the second central gear are 8 to 10 teeth, the second central gear is meshed and connected with the first gear shaft primary transmission gear, the teeth of the first gear shaft and the first gear shaft primary transmission gear are 30 to 32 teeth, the teeth of the second gear shaft primary transmission gear are 8 to 10 teeth, the teeth of the second gear shaft secondary transmission gear are 29 to 31 teeth, the teeth of the third gear shaft secondary transmission gear are 9 to 11 teeth, the teeth of the fourth gear shaft secondary transmission gear are 29 to 31 teeth, the teeth of the fifth gear shaft secondary transmission gear are 29 to 31 teeth, the teeth of the sixth gear shaft and the seventh gear shaft secondary transmission gear are 29 to 31 teeth, the gear teeth of the two-stage transmission gear of the eighth gear shaft are 29 to 31 teeth respectively, the gear teeth of the worm gear comprise transmission gears, the gear teeth of the worm gear are 14 to 16 teeth, the worm gear is in meshed connection with the one-stage transmission gear of the eighth gear shaft, and the modulus of the gear is 0.4 modulus.
Compared with the existing water meter, the water meter improves a gear system, greatly improves the sensitivity of the water meter and enlarges the measuring range of the water meter by adjusting the number and the modulus of teeth on the gear shaft.
Further, the teeth of the first central gear are 10 teeth, the teeth of the transition gear are 25 teeth, the teeth of the second central gear are 9 teeth, the first central gear is connected with the first gear shaft primary transmission gear in a meshed mode, the teeth of the first gear shaft and the first gear shaft primary transmission gear of the second gear shaft are 31 teeth, the teeth of the second gear shaft secondary transmission gear are 9 teeth, the teeth of the third gear shaft secondary transmission gear are 30 teeth and 10 teeth respectively, the teeth of the fourth gear shaft secondary transmission gear are 30 teeth and 9 teeth respectively, the teeth of the fifth gear shaft secondary transmission gear are 30 teeth and 10 teeth respectively, the teeth of the sixth gear shaft and the seventh gear shaft secondary transmission gear are 30 teeth and 9 teeth respectively, the teeth of the eighth gear shaft secondary transmission gear are 30 teeth and 9 teeth respectively, the worm comprises a transmission gear, and the teeth of the worm comprise 15 teeth.
Further, pointers are arranged on the second gear shaft, the fourth gear shaft, the sixth gear shaft and the eighth gear shaft.
Further, the counting mechanism further comprises a gear frame, and is provided with an upper clamping plate, a lower clamping plate and a panel, wherein a notch is formed in one side of the installation position of the sixth gear shaft on the upper clamping plate so as to take down the sixth gear shaft.
The upper clamping plate is provided with a notch, the sixth gear shaft is conveniently taken down, the load of the gear is lightened, the data qualification rate of the character wheel and the electronic module is conveniently tested, the upper clamping plate, the lower clamping plate and the panel form a gear frame, and the sixth gear shaft stably operates under the cooperation of the panel and the lower clamping plate.
Further, the impeller box comprises a water inlet and a water outlet, wherein two sides of the water inlet are parallel straight surfaces, the distance between the center of the water inlet and the central shaft of the impeller box is 19.2-19.5 mm, the width of the water inlet is 1.8-2.0 mm, two sides of the water outlet are straight surfaces, the included angle between the two straight surfaces is 9-11 degrees, the vertical distance between the lowest point of the left straight surface and the right straight surface is 5.12-5.22 mm, the vertical distance between the highest point of the left straight surface and the right straight surface is 6.80-6.90 mm, and the vertical distance between the right straight surface and the central shaft of the impeller box is 21.3-21.7 mm.
Further, the impeller box includes water inlet, delivery port, and wherein the water inlet is outwards protruding from impeller box periphery, and the water inlet both sides are parallel straight face, and the distance between the center of water inlet to the impeller box center pin is 19.4mm, and the width of water inlet is 1.9mm, and the delivery port both sides are straight face, and the contained angle between two straight faces is 10, and the vertical distance between left side straight face nadir to the right side straight face is 5.19mm, and the vertical distance between left side straight face nadir to the right side straight face is 6.85mm, and the vertical distance of right side straight face to the impeller box center pin is 21.5mm.
Further, 6 water outlets are uniformly distributed on the peripheral side of the upper part of the impeller box, and 6 water inlets are uniformly distributed on the peripheral side of the lower part of the impeller box.
The water inlet and outlet angles of the impeller box are improved, and the widths of the water inlet and the water outlet on the impeller box are improved so as to improve the measurement sensitivity.
Further, the gear box comprises a base body, an annular groove is formed in the circumferential direction of the top of the base body, an anti-magnetic ring is arranged in the annular groove, and the anti-magnetic ring is arranged to play a role in preventing magnetic interference, and an iron ring is preferred.
More preferably, the impeller is rotatably connected to the bottom of the base.
Further, in the gear box, a plastic groove is arranged on one side of the character wheel system and contains drying agent, so that the whole dry counter is kept dry and cannot be atomized.
Further, the meter cover is further provided with a flip cover, the flip cover is provided with a rotary cover through shaft body rotation, the rotary cover and the flip cover are matched, the water meter is convenient to view at multiple angles, the requirement on the installation environment is reduced, and the phenomenon that the installation environment hinders meter reading is avoided.
The invention has the beneficial effects that:
1. the water meter improves the water inlet and outlet structures of the gear system and the impeller box, improves the sensitivity of the water meter, and changes the measurement range from the original R80 to the R160, and is connected with the international standard.
2. The anti-magnetic ring is additionally arranged, so that the damage to the running of the water meter caused by the magnet externally placed by a user is avoided, and the stability is improved.
3. The flip structure is improved, the water meter is checked and read at multiple angles, and the phenomenon that the installation environment limits meter reading is avoided.
Drawings
Fig. 1: the existing water meter structure diagram;
fig. 2: the whole structure diagram of the invention;
fig. 3: the decomposition structure diagram of the invention;
Fig. 4: structure diagram a of the gear system;
Fig. 5: structure B of the gear system;
fig. 6: a structure diagram of the cooperation of the impeller and the gear system;
Fig. 7: a top view of the impeller box;
Fig. 8: a water inlet structure diagram on the impeller box;
In fig. 1: 1. a watch cover; 2. a shaft pin; 3. a copper shield; 4. a cover liner; 5. a watch glass; 6. an O-ring seal; 7. a counter; 8. a magnetic-resistant ring; 9. a sun gear; 10. a gear box; 11. a gasket; 12. a magnetic steel seat; 13. an impeller; 14. an impeller box; 15. a watch case; 16. an adjusting screw; 17. adjusting a screw spacer; 18. an adjusting plug; 19. a water filter screen; 20. connecting the gasket; 22. and (5) connecting a nut.
Fig. 2-8: 300. a housing; 301. a watch case; 302. a watch case; 303. a flip cover; 304. screwing the cover; 305. a pin shaft; 306. a watch glass; 307. a panel; 308. an upper clamping plate; 309. a gear system; 310. a character wheel system; 311. an impeller; 312. an impeller box; 313. a filter screen; 314. triangular grooves; 315. a pointer; 316. a base; 318. a second sun gear; 319. a first sun gear; 320. a second drive shaft; 321. a transition gear; 322. a first gear shaft; 323. a second gear shaft; 324. a third gear shaft; 325. a fourth gear shaft; 326. a fifth gear shaft; 327. a sixth gear shaft; 328. a seventh gear shaft; 329. an eighth gear shaft; 330. a worm gear; 331. a lower clamping plate; 332. a second drive shaft; 333. a ring groove; 334. a notch; 3121. a water outlet; 3122. right straight surface; 3123. a left straight surface; 3124. a water inlet; 3221. a primary drive gear; 3222. a two-stage transmission gear.
Detailed Description
The following detailed description of the invention is provided in connection with the accompanying drawings to facilitate understanding and grasping of the technical scheme of the invention.
Compared with the water meter shown in fig. 1, the water meter focuses on improving a flip cover structure, a gear system, an impeller box structure and a gear box structure.
Reference example 1
As shown in fig. 2 and 3, a rotary-wing water meter comprises a housing, the housing comprises a top rotary cover 304, a flip cover 303, a meter cover 302 and a bottom shell 301, in this embodiment, the rotary cover forms a hinge structure with the flip cover through a pin shaft 305, and rotates leftwards or rightwards, the flip cover forms a hinge structure with the meter cover through a pin shaft, and the rotary cover and the flip cover are matched, so that the water meter can be conveniently checked at multiple angles, the requirement on the installation environment is reduced, the phenomenon that the installation environment hinders meter reading is avoided, and an inlet and an outlet are opened on the bottom shell.
As shown in fig. 3, 4, 5 and 6, the housing cavity comprises an impeller metering mechanism and a counting mechanism, the impeller metering mechanism comprises a gear box, an impeller box 312 and an impeller 311 therein, the counting mechanism comprises a gear system 309, a pointer 315 and a character wheel system 310, in this embodiment, a glass 306 is installed on the gear box, as a cover body, to facilitate checking the water meter, the impeller box is located in a filter screen 313, the gear system comprises a transition gear 321, a second central gear 318, a first transmission shaft 320 and a second transmission shaft 332 which are coupled with magnetic elements, the stepped first gear shaft 322, the second gear shaft 323, a third gear shaft 324, a fourth gear shaft 325, a fifth gear shaft 326, a sixth gear shaft 327, a seventh gear shaft 328, an eighth gear shaft 329 and a worm gear 330 which are sequentially meshed and connected, the worm gear is connected with the character wheel system, the first to eighth gear shafts comprise a first-stage transmission gear 3221 and a second transmission gear 3222, the two gear shafts are meshed with the corresponding two transmission gears through a first transmission gear, a transition gear is arranged on a first transmission shaft in an impeller box and meshed with a first central gear 319 on the impeller shaft, a second central gear is arranged on a second transmission shaft in the gear box and meshed with the first transmission gear of the first gear shaft, in the embodiment, the teeth of the first central gear are 10 teeth, the teeth of the transition gear are 25 teeth, the teeth of the second central gear are 9 teeth, the teeth of the second central gear are meshed with the first transmission gear of the first gear shaft, the teeth of the first transmission gear of the first gear shaft and the teeth of the second transmission gear are 31 teeth, the teeth of the second transmission gear are 9 teeth, the teeth of the two transmission gears of the third gear shaft are 30 teeth, 10 teeth and the teeth of the two transmission gears of the fourth gear shaft are 30 teeth respectively, the teeth of the two-stage transmission gears of the fifth gear shaft are respectively 30 teeth and 10 teeth, the teeth of the two-stage transmission gears of the sixth gear shaft and the seventh gear shaft are respectively 30 teeth and 9 teeth, the teeth of the two-stage transmission gears of the eighth gear shaft are respectively 30 teeth and 9 teeth, the worm gear comprises a transmission gear, the teeth of the transmission gear are 15 teeth, the worm gear is in meshed connection with the one-stage transmission gear of the eighth gear shaft, and the modulus of the gear is 0.4 modulus.
And simultaneously, pointers 315 are arranged on the second gear shaft, the fourth gear shaft, the sixth gear shaft and the eighth gear shaft.
Meanwhile, the water inlet and outlet of the impeller box are improved, referring to fig. 7 and 8, the impeller box 312 comprises a water inlet 3124 and a water outlet 3121, wherein two sides of the water inlet are parallel straight surfaces, the distance between the center of the water inlet and the central axis of the impeller box is 19.2 mm-19.5 mm, the width of the water inlet is 1.8 mm-2.0 mm, preferably, the distance between the center of the water inlet and the central axis of the impeller box is 19.4mm, the width of the water inlet is 1.9mm, two sides of the water outlet are straight surfaces, the included angle a between the two straight surfaces is preferably 10 degrees, the vertical distance between the lowest point of the straight surface 3123 on the left side and the straight surface 3122 on the right side is 5.19mm, the vertical distance between the highest point of the straight surface on the left side and the straight surface on the right side is 6.85mm, and the vertical distance between the straight surface on the right side and the central axis of the impeller box is 21.5mm.
In the embodiment, 6 water outlets are uniformly distributed on the peripheral side of the upper part of the impeller box, and 6 water inlets are uniformly distributed on the peripheral side of the lower part of the impeller box.
The water meter in the embodiment is tested, and the sensitivity of the water meter is improved, and the measuring range is changed from the original R80 to the original R160, so that the water meter is connected with the international standard.
As an optimization, referring to fig. 3 and 5, the counting mechanism further includes a gear frame, which includes an upper clamp 308, a lower clamp 331, and a panel 307, and a notch 334 is formed in the upper clamp at one side of the installation position of the sixth gear shaft, so as to remove the sixth gear shaft.
The upper clamping plate is provided with a notch, the sixth gear shaft is conveniently taken down, the load of the gear is lightened, the data qualification rate of the character wheel and the electronic module is conveniently tested, the upper clamping plate, the lower clamping plate and the panel form a gear frame, and the sixth gear shaft stably operates under the cooperation of the panel and the lower clamping plate.
As a further optimization, referring to fig. 4, the gear box includes a base 316, the gear rack is mounted on the base, a circumferential open ring groove 333 is formed at the top of the base, an anti-magnetic ring is arranged in the ring groove, the installation of the anti-magnetic ring plays a role of anti-magnetic interference, an iron ring is preferred, and the impeller is rotatably connected at the bottom of the base.
Of course, the above is only a specific application example of the present invention, and the protection scope of the present invention is not limited in any way. All technical schemes formed by equivalent transformation or equivalent substitution fall within the protection scope of the invention.
Claims (10)
1. A rotary-wing water meter is composed of an impeller metering mechanism consisting of gear box, impeller box and impellers in it, and a counting mechanism consisting of gear system consisting of primary and secondary drive gears, pointer and print wheel system, and features that said gear system consists of transition gear, secondary central gear, the first and the second drive shafts containing magnetic elements, the stepped first, the second, the third, the fourth, the fifth, the sixth, the seventh, the eighth and the worm gears, the print wheel system, the first-eighth gear shafts consisting of primary and secondary drive gears, the first-second drive gears between said two gear shafts, the transition gear installed on the first drive shaft in said impeller box, the gear box is provided with a first central gear, a second central gear, a first gear shaft, a second gear shaft, a third gear shaft, a fourth gear shaft, a fifth gear shaft, a gear box and a gear box, wherein the first central gear is meshed with the first central gear on the impeller shaft, the second central gear is arranged on a second transmission shaft in the gear box and meshed with the first transmission gear of the first gear shaft, the teeth of the first central gear are 9-11 teeth, the teeth of the transition gear are 24-26 teeth, the teeth of the second central gear are 8-10 teeth, the teeth of the second central gear are meshed with the first transmission gear of the first gear shaft, the teeth of the first transmission gear of the first gear shaft are 30-32 teeth, the teeth of the second transmission gear are 8-10 teeth, the teeth of the second transmission gear are 29-31 teeth and 9-11 teeth respectively, the teeth of the second transmission gear of the fourth gear shaft are 29-31 teeth, 8-10 teeth respectively, the teeth of the second transmission gear of the fifth gear shaft are 29-31 teeth, 9-11 teeth, and the sixth gear shaft are, the teeth of the two-stage transmission gears of the seventh gear shaft are 29 to 31 teeth and 8 to 10 teeth respectively, the teeth of the two-stage transmission gears of the eighth gear shaft are 29 to 31 teeth and 8 to 10 teeth respectively, the worm gear comprises a transmission gear, the teeth of the transmission gear are 14 to 16 teeth, the transmission gear is meshed with the one-stage transmission gear of the eighth gear shaft, and the modulus of the gear is 0.4 modulus.
2. The rotary-wing water meter according to claim 1, wherein the teeth of the first sun gear are 10 teeth, the teeth of the transition gear are 25 teeth, the teeth of the second sun gear are 9 teeth, which are in meshed connection with the first gear shaft primary transmission gear, the teeth of the first gear shaft primary transmission gear and the second gear shaft primary transmission gear are 31 teeth, the teeth of the second gear transmission gear are 9 teeth, the teeth of the third gear shaft primary transmission gear are 30 teeth, 10 teeth, the teeth of the fourth gear shaft primary transmission gear are 30 teeth, 9 teeth, the teeth of the fifth gear shaft primary transmission gear are 30 teeth, 10 teeth, the teeth of the sixth gear shaft secondary transmission gear and the seventh gear shaft primary transmission gear are 30 teeth, 9 teeth, the teeth of the eighth gear shaft secondary transmission gear are 30 teeth, 9 teeth, and the worm includes transmission gears, the teeth of which are 15 teeth.
3. The rotary-wing water meter of claim 1, wherein the second gear shaft, the fourth gear shaft, the sixth gear shaft, and the eighth gear shaft are provided with pointers.
4. The rotary-wing water meter according to claim 1, wherein the counting mechanism further comprises a gear frame having an upper plate, a lower plate and a panel, and wherein the upper plate is notched on one side of the mounting position of the sixth gear shaft to allow the sixth gear shaft to be removed.
5. The rotary wing type water meter according to claim 1, wherein the impeller box comprises a water inlet and a water outlet, wherein two sides of the water inlet are parallel straight surfaces, the distance between the center of the water inlet and the central axis of the impeller box is 19.2 mm-19.5 mm, the width of the water inlet is 1.8 mm-2.0 mm, two sides of the water outlet are straight surfaces, the included angle between the two straight surfaces is 9-11 degrees, the vertical distance between the lowest point of the left straight surface and the right straight surface is 5.12 mm-5.22 mm, the vertical distance between the highest point of the left straight surface and the right straight surface is 6.80-6.90 mm, and the vertical distance between the right straight surface and the central axis of the impeller box is 21.3 mm-21.7 mm.
6. The rotary-wing water meter according to claim 5, wherein the impeller box comprises a water inlet and a water outlet, wherein the water inlet protrudes outwards from the periphery of the impeller box, two sides of the water inlet are parallel straight surfaces, the distance between the center of the water inlet and the central axis of the impeller box is 19.4mm, the width of the water inlet is 1.9mm, two sides of the water outlet are straight surfaces, the included angle between the two straight surfaces is 10 degrees, the vertical distance between the lowest point of the left straight surface and the right straight surface is 5.19mm, the vertical distance between the highest point of the left straight surface and the right straight surface is 6.85mm, and the vertical distance between the right straight surface and the central axis of the impeller box is 21.5mm.
7. The rotary-wing water meter according to claim 5, wherein 6 water outlets are uniformly distributed on the upper peripheral side of the impeller box, and 6 water inlets are uniformly distributed on the lower peripheral side of the impeller box.
8. The rotary-wing water meter of claim 1, wherein the gear box comprises a base, the top of the base is provided with a circumferential ring groove, and a magnetic ring is arranged in the ring groove.
9. The rotary-wing water meter of claim 1, wherein the gear box has a plastic groove on one side of the wheel system and a desiccant is contained therein.
10. The rotary-wing water meter of claim 1, further comprising a cover, wherein the cover is provided with a flip cover, and the flip cover is rotatably provided with a rotary cover through a shaft body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910725884.XA CN110274637B (en) | 2019-08-07 | 2019-08-07 | Rotary wing type water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910725884.XA CN110274637B (en) | 2019-08-07 | 2019-08-07 | Rotary wing type water meter |
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| Publication Number | Publication Date |
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| CN110274637A CN110274637A (en) | 2019-09-24 |
| CN110274637B true CN110274637B (en) | 2024-04-30 |
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| CN201910725884.XA Active CN110274637B (en) | 2019-08-07 | 2019-08-07 | Rotary wing type water meter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112254778A (en) * | 2020-09-22 | 2021-01-22 | 无锡中仪智能科技有限公司 | Wireless remote water meter for measuring water |
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| CN2046205U (en) * | 1989-03-15 | 1989-10-18 | 中国石油化工总公司抚顺石油化工研究院 | Hand-moving returning number disc indicating water meter |
| CN1563906A (en) * | 2004-03-26 | 2005-01-12 | 柳吉君 | Rotor type high sensitive water flowmeter |
| CN2795817Y (en) * | 2004-08-03 | 2006-07-12 | 何芝财 | Rotary wing switch water meter |
| CN205826040U (en) * | 2016-07-12 | 2016-12-21 | 林耀添 | The multi jet dry type vane wheel water meter of grade metering in high precision |
| KR101752860B1 (en) * | 2016-07-21 | 2017-06-30 | (주)대한계기정밀 | Water meter |
| KR101901237B1 (en) * | 2018-07-10 | 2018-09-21 | 두산하이텍 주식회사 | A watermeter |
| CN210005051U (en) * | 2019-08-07 | 2020-01-31 | 宁波市海曙强森仪表有限公司 | rotor type water meter |
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| CN110274637A (en) | 2019-09-24 |
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