CN110954171B - Flowmeter convenient to clear up impeller - Google Patents
Flowmeter convenient to clear up impeller Download PDFInfo
- Publication number
- CN110954171B CN110954171B CN201911315171.2A CN201911315171A CN110954171B CN 110954171 B CN110954171 B CN 110954171B CN 201911315171 A CN201911315171 A CN 201911315171A CN 110954171 B CN110954171 B CN 110954171B
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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
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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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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention discloses a flowmeter convenient for cleaning an impeller, which comprises a shell and a magnetic detection element, wherein a taking-out port is fixedly welded on the front surface of the shell, a limiting ring is uniformly welded on the inner wall of the taking-out port, a sealing groove is formed between the taking-out port and the limiting ring, a sealing ring is embedded in the sealing groove, a screw cap is sleeved on the outer side of the taking-out port, a rotating shaft is inserted in the shell, the impeller is fixedly installed on the outer side of the rotating shaft, a connecting shaft is embedded in the middle position of the back surface of the shell, the magnetic detection element is fixedly installed on the back surface of the connecting shaft, and access pipelines are respectively fixed at the left end and. According to the invention, the screw cap is in threaded connection with the taking-out port, so that the screw cap and the taking-out port are convenient to separate and open; set up simultaneously and be connected through the bolt between pivot and the connecting axle for the pivot is convenient for take off, and the effectual foreign matter that prevents twines is not convenient for clear up on the impeller, leads to this flowmeter to scrap.
Description
Technical Field
The invention relates to the technical field of flow meter equipment, in particular to a flow meter convenient for cleaning an impeller.
Background
The flowmeter is used for measuring the flow of fluid in a pipeline or an open channel, can be divided into a differential pressure type flowmeter, an impeller type flowmeter, a throttling type flowmeter and the like because the working principle of the flowmeter is not used, and is widely applied to the flow measurement of water and gas because the impeller type flowmeter has a simple structure and is low in production and manufacturing cost.
The impeller type flowmeter has the working principle that an impeller is arranged in a measured fluid and rotates under the impact of the flowing of the fluid, and the flow rate is reflected according to the rotating speed of the impeller;
in addition, the joints at two ends of the existing flowmeter are mostly directly connected through flanges, when the flowmeter is installed, the inside of the joints cannot be ensured to be close to an external pipeline, so that fluid is easy to leak out from the joints, and therefore, the flowmeter convenient for cleaning the impeller is provided for solving the problems.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide a flowmeter convenient for cleaning an impeller, and aims to solve the problems that the conventional impeller type flowmeter in the background art is inconvenient to clean if the impeller is entangled by foreign matters due to the fact that a fixing structure is adopted for installation, and the fluid is not tightly sealed in the connection part of the flowmeter, so that the fluid has a leakage risk.
The technical scheme is as follows: the invention relates to a flowmeter convenient for cleaning an impeller, which comprises a shell and a magnetic detection element, wherein a taking-out port is fixedly welded on the front surface of the shell, a limit ring is uniformly welded on the inner wall of the taking-out port, a sealing groove is formed between the taking-out port and the limit ring, a sealing ring is embedded in the sealing groove, a screw cap is sleeved on the outer side of the taking-out port, a rotating shaft is inserted in the shell, the impeller is fixedly installed on the outer side of the rotating shaft, a connecting shaft is embedded in the middle position of the back surface of the shell, the magnetic detection element is fixedly installed on the back surface of the connecting shaft, access pipelines are respectively fixed at the left end and the right end of the shell, a screw is inserted in the outer wall of each access pipeline, a flange is fixedly welded at the end part of each access pipeline, a sealing rubber ring is fixedly embedded in the, the outer sides of the two groups of fixed shafts are respectively sleeved with a first pressing plate, the inner wall of the first pressing plate is hinged with a hinged rod, the other end of the hinged rod is hinged with a first moving block, the outer sides of the two groups of fixed shafts are respectively sleeved with a second pressing plate, the inner wall of the second pressing plate is hinged with a telescopic rod, the outer side of the telescopic rod is sleeved with a spring, and the other end of the telescopic rod is hinged with a second moving block.
Further, evenly be equipped with the screw thread on taking out the outer wall of mouth, evenly be equipped with the screw thread on the inner wall of spiral shell lid, screw thread on the spiral shell lid inner wall and the screw thread looks adaptation on taking out a mouthful outer wall, the spiral shell lid passes through thread engagement and takes out a threaded connection, the fixed visual window that inlays of positive intermediate position of spiral shell lid, the back welded fastening of spiral shell lid has the layering, and the layering is ring shape and installs the back at the spiral shell lid.
Furthermore, the connecting shaft is inserted in the middle of the back of the shell, the connecting shaft is rotatably connected with the shell, one end of the back of the rotating shaft is inserted in the connecting shaft, a through hole is correspondingly formed in the joint of the rotating shaft and the connecting shaft, a bolt is inserted in the through hole, the rotating shaft is rotatably connected with the shell through the connecting shaft, and the impeller is slidably connected with the shell.
Further, the screw rod is connected with the access pipeline rotation, evenly be equipped with the screw thread on the outer wall of access pipeline, and the screw thread opposite direction of assembly on the outer wall of both ends around the access pipeline.
Furthermore, the first pressing and holding plate is rotatably connected with the flange through a fixed shaft, the hinge rod is rotatably connected with the first pressing and holding plate and rotatably connected with the first moving block, the first pressing and holding plate is provided with two groups, the two groups of first pressing and holding plates are respectively hinged on the two groups of fixed shafts in a centrosymmetric manner, the first moving block is provided with a threaded hole, a screw rod is inserted into the threaded hole, and the first moving block is in threaded connection with the screw rod through threaded engagement.
Furthermore, the second pressing and holding plate is rotatably connected with the flange through a fixed shaft, the telescopic rod is rotatably connected with the second pressing and holding plate, the telescopic rod comprises a sleeve and a loop bar, two ends of the spring are respectively fixed on the sleeve of the telescopic rod, the sleeve and the loop bar on the telescopic rod are elastically connected through the spring, the telescopic rod is rotatably connected with the second moving block, the second pressing and holding plates are provided with two groups, the two groups of second pressing and holding plates are respectively hinged on the two groups of fixed shafts in a centrosymmetric manner, the second moving block is provided with a threaded hole, a screw rod is inserted into the threaded hole, and the second moving block is in threaded connection with the screw rod through threaded engagement.
Compared with the prior art, the invention has the beneficial effects that:
(1) the screw cap is in threaded connection with the extraction port, so that the screw cap and the extraction port can be conveniently separated and opened, a sealing ring is arranged at the connection part of the screw cap and the extraction port, and the connection part of the screw cap and the extraction port is sealed by utilizing the characteristic that the sealing ring is extruded, deformed and filled; meanwhile, the rotating shaft is connected with the connecting shaft through the bolt, so that the rotating shaft is convenient to take down, the impeller arranged on the outer side of the rotating shaft is convenient to take down and clean, and foreign matters are effectively prevented from being wound on the impeller and are inconvenient to clean, so that the flowmeter is scrapped;
(2) the two groups of first pressing plates and the two groups of second pressing plates are respectively designed in a central symmetry manner, and the sealing rubber rings are arranged on the outer sides of the first pressing plates and the second pressing plates, so that when the first pressing plates and the second pressing plates are rotatably supported to the outer side, the sealing rubber rings are attached to the joint of the flange and the external pipeline through the extrusion of the first pressing plates and the second pressing plates, the sealing effect of the joint of the device is enhanced from the inside, and the sealing property is greatly improved; meanwhile, the first moving block and the second moving block are respectively in threaded connection with the screw, and the first moving block and the second moving block can stably support the first pressing plate and the second pressing plate due to the fact that threads have self-locking performance, and the working stability of the device is greatly improved.
Drawings
FIG. 1 is a top sectional view of the structure of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a side view of a flange construction;
FIG. 4 is an enlarged view taken at A in FIG. 1;
fig. 5 is an enlarged view of fig. 1 at B.
Detailed Description
The invention is further described below with reference to the following figures and examples:
as shown in fig. 1 to 5, the flowmeter of the present invention comprises a casing 1 and a magnetic detection element 10, wherein a take-out port 2 is fixedly welded on the front surface of the casing 1, a limit ring 3 is uniformly welded on the inner wall of the take-out port 2, a sealing groove 4 is formed between the take-out port 2 and the limit ring 3, a sealing ring 5 is embedded inside the sealing groove 4, a screw cap 6 is sleeved outside the take-out port 2, threads are uniformly arranged on the outer wall of the take-out port 2, threads are uniformly arranged on the inner wall of the screw cap 6, the threads on the inner wall of the screw cap 6 are matched with the threads on the outer wall of the take-out port 2, the screw cap 6 is in threaded connection with the take-out port 2 through threaded engagement, a visible window is fixedly embedded in the middle position of the front surface of the screw cap 6, so as to observe the working condition of the impeller 8 therein and to perform maintenance and cleaning in time, a bead is fixedly welded on, when the device is assembled, the screw cap 6 is connected with the taking-out port 2 through threads, so that the screw cap 6 can be taken down from the taking-out port 2 through rotation, and the device is flexible, convenient and convenient to assemble and disassemble; meanwhile, a sealing ring 5 is embedded in the sealing groove 4, during assembly, a pressing strip welded on the back of the screw cap 6 is pressed on the sealing ring 5, the sealing ring 5 is pressed to deform, the sealing ring 5 is extruded and deformed, and is filled in a connecting gap between the screw cap 6 and the taking-out port 2 through the deformation of the sealing ring 5, so that the device is sealed, and the sealing property is greatly improved;
a rotating shaft 7 is inserted in the shell 1, an impeller 8 is fixedly installed on the outer side of the rotating shaft 7, a connecting shaft 9 is embedded in the middle position of the back of the shell 1, the connecting shaft 9 is inserted in the middle position of the back of the shell 1, the connecting shaft 9 is rotatably connected with the shell 1, one end of the back of the rotating shaft 7 is inserted on the connecting shaft 9, a through hole is correspondingly formed in the joint of the rotating shaft 7 and the connecting shaft 9, a bolt is inserted in the through hole, the rotating shaft 7 is rotatably connected with the shell 1 through the connecting shaft 9, the impeller 8 is slidably connected with the shell 1, when the impeller 8 in the shell is wound by foreign matters and cannot normally work, a worker can take out the bolt in the through hole formed in the connecting shaft 9, so that the connecting shaft 9 and the rotating shaft 7 are disconnected, and then the rotating shaft 7 can be taken out from the connecting shaft 9 through, the operation is convenient and fast, the maintenance convenience is greatly improved, and the service life of the device is effectively prolonged;
the back of the connecting shaft 9 is fixedly provided with a magnetic detection element 10, the left end and the right end of the shell 1 are respectively fixed with an access pipeline 11, the outer wall of the access pipeline 11 is inserted with a screw 12, the screw 12 is rotatably connected with the access pipeline 11, the outer wall of the access pipeline 11 is uniformly provided with threads, and the thread directions of the outer walls of the front end and the rear end of the access pipeline 11 are opposite, when in use, by rotating the screw 12, because the thread directions of the two ends of the outer wall of the screw 12 are opposite, the first moving block 18 and the second moving block 22 can simultaneously move in opposite directions or simultaneously move away from each other on the screw 12, so that the first pressing plate 16 and the second pressing plate 19 can be supported by the movement of the first moving block 18 and the second moving block 22, the operation convenience is greatly improved, and because the threaded connection has a self-locking performance, the supporting structure of the device is, the working stability is greatly improved;
a flange 13 is fixedly welded at the end part of the access pipeline 11, a sealing rubber ring 14 is fixedly embedded on the inner wall of the flange 13, two groups of fixed shafts 15 are uniformly welded at one side of the flange 13, which is deviated from the sealing rubber ring 14, a first pressing plate 16 is sleeved at the outer sides of the two groups of fixed shafts 15, a hinge rod 17 is hinged on the inner wall of the first pressing plate 16, a first moving block 18 is hinged at the other end of the hinge rod 17, the first pressing plate 16 is rotatably connected with the flange 13 through the fixed shafts 15, the hinge rod 17 is rotatably connected with the first pressing plate 16, the hinge rod 17 is rotatably connected with the first moving block 18, the first pressing plate 16 is provided with two groups, the two groups of first pressing plates 16 are respectively hinged on the two groups of fixed shafts 15 in a central symmetry manner, a threaded hole is arranged on the first moving block 18, a screw rod 12 is inserted in the threaded hole, the first moving block 18 is in, when the sealing device is used, when the screw 12 is rotated, the first moving block 18 moves outwards on the screw 12 under the action of thread meshing, the first pressing plate 16 rotates outwards through the support of the hinge rod 17 to support the sealing rubber ring 14, the sealing rubber ring 14 deforms at the joint of the flange 13 and an external pipeline through supporting and extruding, and the joint of the flange 13 and the external pipeline is sealed through the deformation filling of the sealing rubber ring 14, so that the sealing performance of the joint is greatly improved;
the outer sides of the two groups of fixed shafts 15 are respectively sleeved with a second pressing plate 19, the inner wall of the second pressing plate 19 is hinged with a telescopic rod 20, the outer side of the telescopic rod 20 is sleeved with a spring 21, the other end of the telescopic rod 20 is hinged with a second moving block 22, the second pressing plate 19 is rotatably connected with the flange 13 through the fixed shaft 15, the telescopic rod 20 is rotatably connected with the second pressing plate 19, the telescopic rod 20 comprises a sleeve and a sleeve rod, two ends of the spring 21 are respectively fixed on the sleeve of the telescopic rod 20, the sleeve and the sleeve rod on the telescopic rod 20 are in elastic structure through the spring 21, the telescopic rod 20 is rotatably connected with the second moving block 22, the second pressing plates 19 are provided with two groups, the two groups of second pressing plates 19 are respectively hinged on the two groups of fixed shafts 15 in a central, a screw 12 is inserted into the threaded hole, and the second moving block 22 is in threaded connection with the screw 12 through threaded engagement; during operation, the screw 12 is rotated, under the action of thread engagement, the second moving block 22 moves outwards along the screw 12, the telescopic rod 20 is driven to support the second pressing plate 19, the second pressing plate 19 rotates outwards to support the sealing rubber ring 14, and the sealing rubber ring 14 seals a connecting gap between the flange 13 and an external pipeline from the inside through extrusion of the sealing rubber ring 14; meanwhile, as the second pressing and holding plate 19 is positioned at the outer side of the first pressing and holding plate 16, when the device is operated, the second pressing and holding plate 19 is attached to the sealing rubber ring 14 in preference to the first pressing and holding plate, at the moment, the screw 12 is continuously rotated, so that the first moving block 18 and the second moving block 22 can continuously move to extrude and support the telescopic rod 20, and the telescopic rod 20 can elastically buffer under the support of the spring 21, so that the device can continuously rotate and move until the hinge rod 17 pushes and attaches the first pressing and holding plate 16 to the sealing rubber ring 14, the reasonable structure of the device is effectively ensured, the first pressing and holding plate 16 and the second pressing and holding plate 19 can conveniently seal the connection position by rotating and extruding the sealing rubber ring 14, and the connection sealing performance is greatly improved;
the working principle is as follows: when the flowmeter works, workers connect the flanges 13 at the two ends with pipelines to be connected respectively, and install and fix the flowmeter;
after the flange 13 is butted with an external pipeline, a worker rotates the screw 12, under the action of thread meshing, the first moving block 18 and the second moving block 22 respectively move towards two sides on the screw 12 and are respectively supported by the hinge rod 17 and the telescopic rod 20, so that two groups of first pressing plates 16 and two groups of second pressing plates 19 are respectively unfolded towards the outer side, the first pressing plates 16 and the second pressing plates 19 are unfolded to support the sealing rubber ring 14, the sealing rubber ring 14 is attached to the inner wall of the joint of the flange 13 and the external pipeline, and the joint is filled and sealed by the sealing rubber ring 14 after the sealing rubber ring 14 is extruded and deformed;
during operation, if need the winding of foreign matter on impeller 8, lead to this flowmeter abnormal operation, the staff can rotate spiral shell cover 6, take off spiral shell cover 6 from getting out 2 through the thread engagement, subsequently, the staff takes out the bolt of establishing of inserting on the connecting axle 9 outside, make connecting axle 9 and pivot 7 separation, take out impeller 8 from shell 1 inside through the mode of outside pulling, clear up the maintenance to impeller 8, after the clearance, the staff reverse operation, reinsert pivot 7 and establish inside connecting axle 9, and insert through the bolt and make connecting axle 9 and pivot 7 fixed connection, the staff rotates spiral shell cover 6 and makes spiral shell cover 6 install and take out 2 openly, layering pressfitting sealing ring 5 at the spiral shell cover 6 back, make sealing ring 5 deformation fill in the junction of spiral shell cover 6 and taking out 2, make this flowmeter sealed.
Claims (1)
1. A flowmeter for facilitating the cleaning of an impeller, comprising a housing (1) and a magnetic detection element (10), characterized in that: the front fixed welding of shell (1) has and takes out mouth (2), evenly weld on the inner wall of taking out mouth (2) has spacing ring (3), forms seal groove (4) between taking out mouth (2) and the spacing ring (3), and the inside of seal groove (4) is inlayed and is had sealing ring (5), the outside cover of taking out mouth (2) is equipped with spiral shell lid (6), the inside of shell (1) is inserted and is equipped with pivot (7), the outside fixed mounting of pivot (7) has impeller (8), the back intermediate position of shell (1) is inlayed and is had connecting axle (9), and the back fixed mounting of connecting axle (9) has magnetic detection element (10), both ends are fixed with access pipeline (11) respectively about shell (1), insert on the outer wall of access pipeline (11) and be equipped with screw rod (12), the end fixing welding of access pipeline (11) has flange (13), a sealing rubber ring (14) is fixedly embedded in the inner wall of the flange (13), two groups of fixing shafts (15) are uniformly welded on one side of the flange (13) which is deviated from the sealing rubber ring (14), a first pressing plate (16) is sleeved on the outer sides of the two groups of fixing shafts (15), a hinge rod (17) is hinged on the inner wall of the first pressing plate (16), a first moving block (18) is hinged on the other end of the hinge rod (17), a second pressing plate (19) is sleeved on the outer sides of the two groups of fixing shafts (15), a telescopic rod (20) is hinged on the inner wall of the second pressing plate (19), a spring (21) is sleeved on the outer side of the telescopic rod (20), and a second moving block (22) is hinged on the other end of the telescopic rod (20);
the outer wall of the taking-out port (2) is uniformly provided with threads, the inner wall of the screw cap (6) is uniformly provided with threads, the threads on the inner wall of the screw cap (6) are matched with the threads on the outer wall of the taking-out port (2), the screw cap (6) is in threaded connection with the taking-out port (2) through thread meshing, a visible window is fixedly embedded in the middle position of the front face of the screw cap (6), a pressing strip is fixedly welded on the back face of the screw cap (6), and the pressing strip is arranged on the back face of the screw cap (6) in a circular ring shape;
the connecting shaft (9) is inserted in the middle of the back of the shell (1), the connecting shaft (9) is rotatably connected with the shell (1), one end of the back of the rotating shaft (7) is inserted in the connecting shaft (9), a through hole is correspondingly formed in the connecting position of the rotating shaft (7) and the connecting shaft (9), a bolt is inserted in the through hole, the rotating shaft (7) is rotatably connected with the shell (1) through the connecting shaft (9), and the impeller (8) is slidably connected with the shell (1);
the screw rod (12) is rotatably connected with the access pipeline (11), threads are uniformly assembled on the outer wall of the access pipeline (11), and the directions of the threads assembled on the outer walls of the front end and the rear end of the access pipeline (11) are opposite;
the first pressing and holding plate (16) is rotatably connected with the flange (13) through a fixed shaft (15), the hinge rod (17) is rotatably connected with the first pressing and holding plate (16), the hinge rod (17) is rotatably connected with a first moving block (18), the first pressing and holding plate (16) is provided with two groups, the two groups of first pressing and holding plates (16) are respectively hinged on the two groups of fixed shafts (15) in a central symmetry manner, the first moving block (18) is provided with a threaded hole, a screw rod (12) is inserted into the threaded hole, and the first moving block (18) is in threaded connection with the screw rod (12) through threaded engagement;
the second pressing and holding plate (19) is rotatably connected with the flange (13) through a fixed shaft (15), the telescopic rod (20) is rotatably connected with the second pressing and holding plate (19), the telescopic rod (20) comprises a sleeve and two sleeve rods, two ends of each spring (21) are respectively fixed on the sleeve of the telescopic rod (20), the sleeve and the sleeve rod on the telescopic rod (20) are elastically connected through the springs (21), the telescopic rod (20) is rotatably connected with the second moving block (22), the second pressing and holding plates (19) are provided with two groups, the two groups of second pressing and holding plates (19) are respectively hinged on the two groups of fixed shafts (15) in a centrosymmetric manner, threaded holes are formed in the second moving block (22), a screw rod (12) is inserted into the threaded holes, and the second moving block (22) is in threaded connection with the screw rod (12) through threaded engagement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911315171.2A CN110954171B (en) | 2019-12-19 | 2019-12-19 | Flowmeter convenient to clear up impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911315171.2A CN110954171B (en) | 2019-12-19 | 2019-12-19 | Flowmeter convenient to clear up impeller |
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| Publication Number | Publication Date |
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| CN110954171A CN110954171A (en) | 2020-04-03 |
| CN110954171B true CN110954171B (en) | 2021-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911315171.2A Active CN110954171B (en) | 2019-12-19 | 2019-12-19 | Flowmeter convenient to clear up impeller |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5866824A (en) * | 1997-01-24 | 1999-02-02 | American Meter Company | Gas turbine meter |
| CN2715115Y (en) * | 2004-06-10 | 2005-08-03 | 黄佑仲 | Multi-impeller flow meter |
| CN104266687A (en) * | 2014-09-03 | 2015-01-07 | 宁波龙格尔仪表有限公司 | Horizontal helical vane type water meter |
| CN204532331U (en) * | 2015-02-27 | 2015-08-05 | 中国石油天然气股份有限公司 | Turbine measurement mechanism |
| CN207515850U (en) * | 2017-10-11 | 2018-06-19 | 温州永视阀门有限公司 | A kind of flow indicator |
| CN208505384U (en) * | 2018-06-08 | 2019-02-15 | 广州研宏自动化仪表有限公司 | A kind of turbine flowmeter of cleaning easy to disassemble |
| CN209166550U (en) * | 2019-01-14 | 2019-07-26 | 佛山市顺德区恩旺电器有限公司 | A kind of water flow sensing unit |
-
2019
- 2019-12-19 CN CN201911315171.2A patent/CN110954171B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5866824A (en) * | 1997-01-24 | 1999-02-02 | American Meter Company | Gas turbine meter |
| CN2715115Y (en) * | 2004-06-10 | 2005-08-03 | 黄佑仲 | Multi-impeller flow meter |
| CN104266687A (en) * | 2014-09-03 | 2015-01-07 | 宁波龙格尔仪表有限公司 | Horizontal helical vane type water meter |
| CN204532331U (en) * | 2015-02-27 | 2015-08-05 | 中国石油天然气股份有限公司 | Turbine measurement mechanism |
| CN207515850U (en) * | 2017-10-11 | 2018-06-19 | 温州永视阀门有限公司 | A kind of flow indicator |
| CN208505384U (en) * | 2018-06-08 | 2019-02-15 | 广州研宏自动化仪表有限公司 | A kind of turbine flowmeter of cleaning easy to disassemble |
| CN209166550U (en) * | 2019-01-14 | 2019-07-26 | 佛山市顺德区恩旺电器有限公司 | A kind of water flow sensing unit |
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| CN110954171A (en) | 2020-04-03 |
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Effective date of registration: 20231012 Address after: No. 36 Tianquan Road, Economic Development Zone, Xuyi County, Huai'an City, Jiangsu Province, 223001 Patentee after: Jiangsu Zhongsu Water Saving Technology Co.,Ltd. Address before: Building 12-507, No. 29, buyue Road, Qiaolin street, Pukou Economic Development Zone, Nanjing City, Jiangsu Province Patentee before: Jiangsu Zhongsu Intelligent Manufacturing Co.,Ltd. |
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