CN111780824B - Detachable rectification water gauge - Google Patents
Detachable rectification water gauge Download PDFInfo
- Publication number
- CN111780824B CN111780824B CN202010693041.9A CN202010693041A CN111780824B CN 111780824 B CN111780824 B CN 111780824B CN 202010693041 A CN202010693041 A CN 202010693041A CN 111780824 B CN111780824 B CN 111780824B
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- water
- water meter
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- water inlet
- rectifying
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- 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
- G01F15/14—Casings, e.g. of special material
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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
- G01F1/06—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 using rotating vanes with tangential admission
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- 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
- G01F15/18—Supports or connecting means for meters
- G01F15/185—Connecting means, e.g. bypass conduits
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- 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
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention relates to a detachable rectifying water meter, which comprises a water meter shell, a water meter ring cover, a water meter protective cover, a water inlet pipe and a water outlet pipe, wherein the water meter ring cover is arranged at the top end of the water meter shell, the water meter protective cover is arranged behind the water meter ring cover, the water inlet pipe is arranged at the left end of the water meter shell, the water outlet pipe is arranged at the right end of the water meter shell, a water inlet ring is arranged at the outer end of the water inlet pipe, a rectifying channel is arranged at the right side of the water inlet ring, a plurality of rectifying holes are formed in the right end of the rectifying channel, a fixed seat is arranged at the right side of the rectifying channel, and a plurality of splitter plates are uniformly arranged on the inner side of the fixed seat. According to the invention, the threaded part is arranged at the right end of the water inlet pipe, the water inlet pipe and the water meter shell are assembled and disassembled through the threaded part, and water flow is rectified by the rectifying device, so that the water meter can better measure the water flow, the stability of the flow rate of the water flow in a pipeline is optimized, the stability and the accuracy of water meter measurement data are improved, the complexity of a production process is reduced, and the production efficiency is improved.
Description
Technical Field
The invention relates to the technical field of water meter rectifying devices, in particular to a detachable rectifying water meter.
Background
The water meter is an instrument for measuring water flow, mostly the accumulated flow measurement of water, generally divided into a positive displacement water meter and a speed water meter, originated in the uk, the development of the water meter has nearly two hundred years history, when selecting the specification of the water meter, the size and the flow range of the used flow under the normal condition should be estimated firstly, then the water meter with the specification of which the common flow is closest to the value is selected as the first choice, and the water body rectifying device is additionally arranged at the water inlet end of the water meter, so that the measuring environment of the water meter can be effectively improved, and the measuring accuracy of the water meter is improved. The fairing of current removable water gauge with fairing carries out the rectification through the rectification part of individual layer to rivers, and the rectification effect is poor, is difficult to make the metering environment of water gauge improve, and the fairing of current removable water gauge with fairing is difficult to convenient the pulling down moreover, maintains inconveniently. Therefore, a detachable rectification water meter is provided.
Disclosure of Invention
The invention aims to solve the problems that the existing water meter is poor in rectification effect, a rectification device of a rectification water meter is difficult to detach and the like, the purposes of rectifying water, rapidly detaching the rectification device and even detaching the whole water meter by a multilayer rectification device are achieved, and the water meter is convenient to overhaul and maintain.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a detachable rectification water gauge, includes water gauge shell, water gauge ring cap, water gauge visor, inlet tube and outlet pipe, water gauge shell top is equipped with the water gauge ring cap, water gauge ring cap rear is equipped with the water gauge visor, water gauge shell left end is equipped with the inlet tube, water gauge shell right-hand member is equipped with the outlet pipe.
As a preferable aspect of the present invention, wherein: the water meter comprises a water meter shell and is characterized in that a water passing ring is arranged in the water meter shell, a filter screen II is arranged on the outer ring of the upper end of the water passing ring, a rotating shaft is arranged in the center of the water passing ring, an impeller is arranged at the outer end of the rotating shaft, a connecting rod is arranged in the center of the rotating shaft, a bearing is arranged at the top end of the connecting rod and is installed in a torque measuring plate, and a numerical display device is arranged above the torque measuring plate.
As a preferable aspect of the present invention, wherein: the bearing is arranged in the center of the moment measuring plate, a first fixed blade is arranged in the moment measuring plate, the first fixed blade is connected with a first moving blade through a first elastic dynamometer, a second fixed blade is arranged on the other side of the first moving blade, the second fixed blade is connected with a second moving blade through a second elastic dynamometer, the top ends of two blades of the impeller are provided with sliding blocks, and the bottom ends of the moving blades and the moving blades are provided with annular sliding rails right facing the sliding blocks.
As a preferable aspect of the present invention, wherein: the improved water inlet structure is characterized in that a water inlet ring is arranged at the outer end of the water inlet pipe, a first filter screen is arranged in the center of the water inlet ring, a rectifying channel is arranged on the right side of the water inlet ring, a plurality of rectifying holes are formed in the right end of the rectifying channel, a fixing seat is arranged on the right side of the rectifying channel, a plurality of flow distribution plates are evenly arranged on the inner side of the fixing seat, and flow guide portions are arranged between the flow distribution plates respectively.
Further, the bottom end of the water meter ring cover is provided with a spiral wall, the top of the water meter shell is provided with an internal thread wall meshed with the spiral wall, the right end of the water meter ring cover is provided with a lock catch, and the water meter shell is right opposite to the lock catch.
Further, it advances the water board to establish to the annular through water ring first section, evenly be equipped with the water inlet on the annular advances the water board, it establishes to annular water board to cross water ring second section, evenly be equipped with the delivery port on the annular water board, the filter screen cover is located annular advances water board outer end.
Further, the inlet tube with be equipped with the rubber circle between the circle of intaking, the inlet tube right-hand member through screw thread portion one with water meter case body water inlet department is connected.
Furthermore, the left end of the water outlet pipe is connected with the water outlet of the water meter shell through a second threaded part, and an anti-skid washer is arranged at the joint of the water outlet pipe and the water meter shell.
Further, the outer wall of the water meter shell is provided with an interlayer, and heat insulation cotton is arranged in the interlayer.
Compared with the prior art, the technical scheme of the invention has the following advantages:
1. according to the detachable rectifying water meter provided by the invention, the first threaded part is arranged at the right end of the water inlet pipe, the water inlet pipe and the water meter shell are disassembled and assembled through the first threaded part, and water flow is rectified through the rectifying channel, the rectifying hole, the flow distribution plate and the flow guide part under the action of the rectifying channel, the rectifying hole, the flow distribution plate and the flow guide part, so that the water meter can better measure the water flow, the stability of the flow velocity of the water flow in a pipeline is optimized, the stability and the accuracy of water meter measurement data are improved, the complexity of a production process is reduced, and the production efficiency is improved.
2. According to the technical scheme, the two groups of torque measuring devices are arranged in the torque measuring plate, so that the impact force and the impact frequency of water flow impacting the impeller can be accurately measured, the water flow passing through the impeller is accurately measured, and the measurement of the water flow in the water meter is realized.
3. According to the scheme of the invention, the connecting parts of the water inlet pipe and the water outlet pipe are respectively provided with the threaded part, so that the water meter shell can be disassembled and assembled with the water pipe through the threaded part, the top end of the water meter shell is provided with the detachable water meter ring cover, and the detachable water meter ring cover is used for overhauling or replacing a detection assembly in the water meter, so that the maintenance of water meter faults can be realized quickly.
Drawings
Fig. 1 is a schematic view of an overall structure of a detachable rectifying water meter according to the present invention;
fig. 2 is a schematic view of a disassembled structure of a detachable rectifying water meter according to the present invention;
fig. 3 is an exploded view of the measurement components within the water meter of a detachable rectifying water meter in accordance with the present invention;
FIG. 4 is a schematic structural diagram of a rectifying device in a water inlet pipe of a detachable rectifying water meter according to the present invention;
FIG. 5 is a right side view of the rectifying device in the inlet pipe of a removable rectifying water meter in accordance with the present invention;
fig. 6 is a schematic structural view of a bottom surface device of a torque measuring plate of a detachable rectifying water meter according to the present invention.
Wherein: 1 is a water meter shell, 11 is a water passing ring, 111 is an annular water inlet plate, 112 is a water inlet, 113 is an annular water outlet plate, 114 is a water outlet, 12 is a filter screen II, 13 is a rotating shaft, 14 is an impeller, 15 is a connecting rod, 16 is a bearing, 17 is a moment measuring plate, 171 is a fixed blade I, 172 is a moving blade I, 173 is an elastic dynamometer I, 174 is a fixed blade II, 175 is a moving blade II, 176 is an elastic dynamometer II, 177 is a sliding rail, 18 is a numerical value display device, 2 is a water meter ring cover, 3 is a water meter protective cover, 4 is a water inlet pipe, 41 is a water inlet ring, 42 is a filter screen I, 43 is a rectifying channel, 44 is a rectifying hole, 45 is a fixed seat, 46 is a flow distribution plate, 47 is a flow guide part, 48 is a thread part I, 5 is a water outlet pipe, and 6 is a lock catch.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Referring to fig. 1-6, the invention provides a detachable rectifying water meter, which comprises a water meter shell 1, a water meter ring cover 2, a water meter protective cover 3, a water inlet pipe 4 and a water outlet pipe 5, wherein the water meter ring cover 2 is arranged at the top end of the water meter shell 1, the water meter protective cover 3 is arranged behind the water meter ring cover 2, the water inlet pipe 4 is arranged at the left end of the water meter shell 1, the water outlet pipe 5 is arranged at the right end of the water meter shell 1, the water meter protective cover 3 is connected with the water meter ring cover 2 through a support, the water meter protective cover 3 can be clamped above the water meter ring cover 2 through the support, the water inlet pipe 4 is arranged at the upper half section of the water meter shell 1, the water outlet pipe 5 is arranged at the lower half section of the other side of the water meter shell 1, water flows into the water meter shell 1 through the water inlet pipe 4, and flows out of the water outlet pipe 5 after the water flow is detected by a measuring device in the water meter shell 1, and the water flow is measured.
Referring to fig. 2 and 3, a water ring 11 is arranged inside a water meter shell 1, a second filter screen 12 is arranged on the outer ring of the upper end of the water ring 11, a rotating shaft 13 is arranged in the center of the water ring 11, an impeller 14 is arranged at the outer end of the rotating shaft 13, a connecting rod 15 is arranged in the center of the rotating shaft 13, a bearing 16 is arranged at the top end of the connecting rod 15, the bearing 16 is arranged in a torque measuring plate 17, a numerical display device 18 is arranged above the torque measuring plate 17, water enters the water ring 11 after entering the water meter shell 1 through a water inlet pipe 4, when the water runs in the water ring 11, the impeller 14 is driven to rotate, and during rotation of the impeller 14, the water flowing through the impeller 14 is detected between the impeller 14 and the torque measuring plate 17 and is converted into a corresponding water flow reality and numerical display device 18.
Referring to fig. 6, the bearing 16 is disposed in the center of the torque measuring plate 17, a first fixed vane 171 is disposed in the torque measuring plate 17, the first fixed vane 171 is connected to a first moving vane 172 through a first elastic dynamometer 173, a second fixed vane 174 is disposed on the other side of the first moving vane 172, the second fixed vane 174 is connected to a second moving vane 175 through a second elastic dynamometer 176, a sliding block is disposed at the top end of two vanes of the impeller 14, a circular sliding rail 177 is disposed at the position where the moving vanes and the moving vanes are opposite to the sliding block, in the process that the impeller 14 is driven by water flow, the sliding block disposed at the top end of the impeller 14 moves in the circular sliding rail 177, the sliding block drives the circular sliding rail 177 to change the friction force of the circular sliding rail 177 in the torque measuring plate 17, and the first moving vane 172 drives the first elastic dynamometer 173 and the second elastic dynamometer 176 of the second moving vane 175 to measure the relative displacement of the circular sliding rail 177, thereby determining the water flow and the water flow time, and further calculating the water flow, and displays the water flow data on the numerical display device 18.
Referring to fig. 4 and 5, a water inlet ring 41 is arranged at the outer end of the water inlet pipe 4, a first filter screen 42 is arranged at the center of the water inlet ring 41, a rectifying channel 43 is arranged on the right side of the water inlet ring 41, a plurality of rectifying holes 44 are arranged at the right end of the rectifying channel 43, a fixing seat 45 is arranged on the right side of the rectifying channel 43, a plurality of splitter plates 46 are evenly arranged on the inner side of the fixing seat 45, and guide portions 47 are respectively arranged between the splitter plates 46, the water inlet ring 41 guides water flow to enter the rectifying channel 43 through the first filter screen 42, the filtered water flow enters the rectifying channel 43 with the diameter gradually reduced, so that the water flow enters the water meter more intensively to be subjected to water quantity detection, the water flow is concentrated in the rectifying channel 43, and passes through the fixing seat 45 through the rectifying holes 44, and is guided into the water meter shell 1 through the splitter plates 46 and the guide portions 47, and early-stage flow guide work of water flow entering the water meter is completed.
Referring to fig. 1, a spiral wall is arranged at the bottom end of a water meter ring cover 2, an internal thread wall meshed with the spiral wall is arranged at the top of a water meter shell 1, a lock catch 6 is arranged at the right end of the water meter ring cover 2, a lock catch fixing part is arranged right opposite to the lock catch 6, the water meter ring cover 2 is screwed into the internal thread wall at the top of the water meter shell 1 through the spiral wall, and therefore the water meter ring cover is fixedly installed at the top end of the water meter shell 1, a worker is required to insert a specific unlocking part into the lock catch 6, the water meter ring cover 2 can be opened at the top end of the water meter shell 1, the problem that a user opens the water meter ring cover by himself to cause numerical value confusion is avoided, the water meter is safe to use, and convenience is provided for the worker to open the water meter to overhaul.
The upper half section of the water passing ring 11 is set as an annular water inlet plate 111, the annular water inlet plate 111 is uniformly provided with a water inlet 112, the lower half section of the water passing ring 11 is set as an annular water outlet plate 113, the annular water outlet plate 113 is uniformly provided with a water outlet 114, the outer end of the annular water inlet plate 111 is sleeved with a filter screen two 12, the water inlet pipe 4 is arranged at the upper half section of the water meter shell 1, when water flow in the water inlet pipe 4 enters the water meter shell 1, the water flow enters the water passing ring 11 through the water inlet hole 112, the impeller 14 is driven to rapidly rotate around the axis of the rotating shaft 13 when the water flow enters the water passing ring 11, in the rotating process of the impeller 14, a sliding block arranged at the top end of the impeller 14 moves in an annular sliding rail 177, the rotating speed and the frequency of the impeller 14 measured by the moment measuring plate 17 are accurately measured, so as to judge the water flow and display the water flow on the numerical display device 18, the water flow falls at the bottom end of the water passing ring 11 due to gravity through the impeller 14, after rapidly flowing out from each water outlet 114 at the edge of the annular water outlet plate 113, the water is discharged out of the water meter through the water outlet pipe 5.
Be equipped with the rubber circle between inlet tube 4 and the circle 41 of intaking, the 4 right-hand members of inlet tube are connected with water meter case body water inlet department through screw thread portion 48, and the rubber circle can prevent into that circle 41 and inlet tube 4 skid, and plays sealed effect, and 4 accessible screw thread portions 48 of inlet tube realize freely the dismouting with water meter case body 1.
The left end of the water outlet pipe 5 is connected with the water meter shell water outlet through the second threaded portion, the joint of the water outlet pipe 5 and the water meter shell 1 is provided with an anti-slip gasket, the free disassembly and assembly of the water meter shell 1 can be realized through the second threaded portion of the water outlet pipe 5, the anti-slip gasket can prevent slipping between the water outlet pipe 5 and the water meter shell 1, the friction force between the water outlet pipe 5 and the water meter shell is increased, the contact between the inner wall of the water outlet pipe 5 and the water body can be reduced, the corrosion speed of the water outlet pipe 5 is reduced, and the service time of the water outlet pipe 5 is prolonged.
1 outer wall of water gauge casing is equipped with the intermediate layer, is equipped with thermal-insulated heat preservation cotton in the intermediate layer, and water gauge casing 1 is equipped with the intermediate layer, external environment direct and water gauge casing 1 contact promptly, reduces ambient temperature to water gauge casing 1's influence, cooperates the cotton design of thermal-insulated heat preservation, isolated ambient temperature that can be fine to water gauge casing 1's influence.
The invention provides a detachable rectifying water meter, wherein water flow flows into a water inlet pipe 4, the water flow is guided by a water inlet ring 41 to enter a rectifying channel 43 through a filter screen I42, passes through a fixing seat 45 through a rectifying hole 44, is guided into a water meter shell 1 through a flow dividing plate 46 and a flow guiding part 47, the early stage flow guiding work of water flow measurement of the water meter is completed, when the water flow in the water inlet pipe 4 enters the water meter shell 1, the water flow enters a water passing ring 11 through a water inlet hole 112, when the water flow enters the water passing ring 11, an impeller 14 is driven to rapidly rotate around the axis of a rotating shaft 13, in the rotating process of the impeller 14, a sliding block arranged at the top end of a blade of the impeller 14 moves in an annular sliding rail 177, the sliding block drives the annular sliding rail 177 to change the position of the annular sliding rail 177 in a torque measuring plate 17, and an elastic dynamometer I173 and an elastic dynamometer II 176 with an elastic dynamometer II 175 are driven by a moving blade I172 to measure the relative displacement and friction torque of the annular sliding rail 177, therefore, the water flow and the water flow time are judged, the water flow is calculated, the water flow data is displayed on the numerical value display device 18, the water flow falls to the bottom end of the water passing ring 11 due to gravity after passing through the impeller 14, and the water flow is discharged out of the water meter through the water outlet pipe 5 after rapidly flowing out of each water outlet 114 at the edge of the annular water outlet plate 113.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (4)
1. A detachable rectifying water meter comprises a water meter shell (1), a water meter ring cover (2), a water meter protective cover (3), a water inlet pipe (4) and a water outlet pipe (5), and is characterized in that the water meter ring cover (2) is arranged at the top end of the water meter shell (1), the water meter protective cover (3) is arranged behind the water meter ring cover (2), the water inlet pipe (4) is arranged at the left end of the water meter shell (1), and the water outlet pipe (5) is arranged at the right end of the water meter shell (1);
the water meter comprises a water meter shell (1), a water passing ring (11) is arranged in the water meter shell (1), a second filter screen (12) is arranged on the outer ring of the upper end of the water passing ring (11), a rotating shaft (13) is arranged in the center of the water passing ring (11), an impeller (14) is arranged at the outer end of the rotating shaft (13), a connecting rod (15) is arranged in the center of the rotating shaft (13), a bearing (16) is arranged at the top end of the connecting rod (15), the bearing (16) is installed in a moment measuring plate (17), and a numerical value display device (18) is arranged above the moment measuring plate (17);
the bearing (16) is arranged in the center of the moment measuring plate (17), a first fixed blade (171) is arranged in the moment measuring plate (17), the first fixed blade (171) is connected with a first moving blade (172) through a first elastic dynamometer (173), a second fixed blade (174) is arranged on the other side of the first moving blade (172), the second fixed blade (174) is connected with a second moving blade (175) through a second elastic dynamometer (176), sliding blocks are arranged at the top ends of two blades of the impeller (14), and circular sliding rails (177) are arranged at positions, right opposite to the sliding blocks, of the bottom ends of the moving blade and the moving blade;
the water inlet device comprises a water inlet pipe (4), a water inlet ring (41) is arranged at the outer end of the water inlet pipe (4), a first filter screen (42) is arranged in the center of the water inlet ring (41), a rectifying channel (43) is arranged on the right side of the water inlet ring (41), a plurality of rectifying holes (44) are formed in the right end of the rectifying channel (43), a fixing seat (45) is arranged on the right side of the rectifying channel (43), a plurality of splitter plates (46) are uniformly arranged on the inner side of the fixing seat (45), and flow guide parts (47) are respectively arranged between the splitter plates (46);
a rubber ring is arranged between the water inlet pipe (4) and the water inlet ring (41), and the right end of the water inlet pipe (4) is connected with a water inlet of the water meter shell through a first threaded part (48);
the left end of the water outlet pipe (5) is connected with the water outlet of the water meter shell through a second threaded portion, and an anti-skid washer is arranged at the joint of the water outlet pipe (5) and the water meter shell (1).
2. A detachable rectifying water meter according to claim 1, characterized in that, said water meter ring cover (2) has a spiral wall at the bottom, said water meter case (1) has an internal thread wall engaged with said spiral wall at the top, said water meter ring cover (2) has a lock catch (6) at the right end, said water meter case (1) has a lock catch fixing member right facing said lock catch (6).
3. A detachable rectifying water meter according to claim 1, wherein the upper half of said water passing ring (11) is set as a ring-shaped water inlet plate (111), said ring-shaped water inlet plate (111) is uniformly provided with a water inlet (112), the lower half of said water passing ring (11) is set as a ring-shaped water outlet plate (113), said ring-shaped water outlet plate (113) is uniformly provided with a water outlet (114), and said second filter screen (12) is sleeved on the outer end of said ring-shaped water inlet plate (111).
4. A detachable rectifying water meter according to claim 1, characterized in that the outer wall of said water meter case (1) is provided with an interlayer, and said interlayer is provided with heat insulation cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010693041.9A CN111780824B (en) | 2020-07-17 | 2020-07-17 | Detachable rectification water gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010693041.9A CN111780824B (en) | 2020-07-17 | 2020-07-17 | Detachable rectification water gauge |
Publications (2)
| Publication Number | Publication Date |
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| CN111780824A CN111780824A (en) | 2020-10-16 |
| CN111780824B true CN111780824B (en) | 2022-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010693041.9A Active CN111780824B (en) | 2020-07-17 | 2020-07-17 | Detachable rectification water gauge |
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| CN (1) | CN111780824B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729444B (en) * | 2020-12-28 | 2022-11-18 | 山东致胜仪表有限公司 | Water meter special for water supply equipment |
| CN112964848B (en) * | 2021-03-08 | 2022-11-29 | 山东东特环境检测技术有限公司 | A sewage discharge check out test set for green |
| CN113551728A (en) * | 2021-07-30 | 2021-10-26 | 株洲珠华水工业科技开发有限公司 | Anti-disassembly non-magnetic water meter |
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|---|---|---|---|---|
| DE3509576A1 (en) * | 1985-03-16 | 1986-09-18 | Bopp & Reuther Gmbh, 6800 Mannheim | Vane water meter |
| CN101750118A (en) * | 2008-12-04 | 2010-06-23 | 泉州日新流量仪器仪表有限公司 | Complex type vane wheel impeller flowmeter |
| CN102435233A (en) * | 2011-10-18 | 2012-05-02 | 宁波东海仪表水道有限公司 | Vertical spiral wing type water metering device |
| CN108645468A (en) * | 2018-07-16 | 2018-10-12 | 伍柏峰 | A kind of leak protection water meter |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2225664Y (en) * | 1994-07-11 | 1996-04-24 | 王光宇 | Vane wheel dry water meter |
| CN201259433Y (en) * | 2008-07-02 | 2009-06-17 | 福州真兰水表有限公司 | Horizontal screw wing dismantling water meter |
| CN107367305B (en) * | 2017-05-23 | 2019-12-27 | 刘明生 | Torque flowmeter and working method thereof |
-
2020
- 2020-07-17 CN CN202010693041.9A patent/CN111780824B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3509576A1 (en) * | 1985-03-16 | 1986-09-18 | Bopp & Reuther Gmbh, 6800 Mannheim | Vane water meter |
| CN101750118A (en) * | 2008-12-04 | 2010-06-23 | 泉州日新流量仪器仪表有限公司 | Complex type vane wheel impeller flowmeter |
| CN102435233A (en) * | 2011-10-18 | 2012-05-02 | 宁波东海仪表水道有限公司 | Vertical spiral wing type water metering device |
| CN108645468A (en) * | 2018-07-16 | 2018-10-12 | 伍柏峰 | A kind of leak protection water meter |
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| CN111780824A (en) | 2020-10-16 |
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