CN113834540A - Pulsation type flowmeter with pressure guiding pipe - Google Patents
Pulsation type flowmeter with pressure guiding pipe Download PDFInfo
- Publication number
- CN113834540A CN113834540A CN202010577200.9A CN202010577200A CN113834540A CN 113834540 A CN113834540 A CN 113834540A CN 202010577200 A CN202010577200 A CN 202010577200A CN 113834540 A CN113834540 A CN 113834540A
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- flowmeter
- sealing
- pressure
- filter
- clamping seat
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- 230000010349 pulsation Effects 0.000 title description 2
- 238000007789 sealing Methods 0.000 claims abstract description 71
- 239000000523 sample Substances 0.000 claims abstract description 16
- 238000001514 detection method Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 4
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 239000012530 fluid Substances 0.000 abstract description 13
- 238000012544 monitoring process Methods 0.000 abstract description 12
- 239000012535 impurity Substances 0.000 description 17
- 230000006698 induction Effects 0.000 description 6
- 238000004891 communication Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000000881 depressing effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
Classifications
-
- 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
- G01F1/32—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 using swirl flowmeters
-
- 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
- G01F15/12—Cleaning arrangements; Filters
- G01F15/125—Filters
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention discloses a pulsating flow meter with a pressure guiding pipe, and particularly relates to the technical field of pulsating flow meters. According to the invention, the flowmeter probe rod is arranged, the flowmeter clamping seat is matched with the sealing bottom plate and the threaded buckle plate cover to form a sealing cavity to fix the flowmeter body, the sealing sleeve shell is sealed and fixed in the sealing snap ring by using the connecting threads, the bottom end of the sensing probe penetrates through the sealing snap ring to contact with the bottom surface of the pipe wall of the pressure guiding pipe body for flow monitoring, the flowmeter body is far away from the monitoring fluid, and the problem that a chip in the flowmeter body is damaged due to moisture is avoided.
Description
Technical Field
The invention relates to the technical field of pulse flowmeters, in particular to a pulse flowmeter with a pressure guide pipe.
Background
The flowmeter is a meter for indicating the measured flow and the total amount of fluid in a selected time interval, and is simply a meter for measuring the flow of fluid in a pipeline or an open channel, and can be classified into a differential pressure type flowmeter, a rotor flowmeter, a throttling type flowmeter, a slit flowmeter, a volume flowmeter, an electromagnetic flowmeter, an ultrasonic flowmeter and the like, and can be classified into a liquid flowmeter and a gas flowmeter according to the monitored media, wherein the pulsating type flowmeter is one of the common flowmeters on the market.
The current pulsating flow meter who takes the pressure tube that draws still has great defect, press the tube to be connected structure as an organic whole like pulsating flow meter body and drawing, the flowmeter body fully contacts with monitoring fluid, very easily appear the fluid and invade flowmeter body inside and cause the corrosion damage, the life of device has been reduced, probably mixed solid impurity in the fluid simultaneously, solid impurity strikes the flowmeter body under fluidic drive, cause the flowmeter impaired, and also can cause solid impurity to block up the pressure tube, lead to the monitoring data inaccuracy.
Therefore, it is highly desirable to provide a pulsating flow meter with a pressure pipe, which has an anti-collision and anti-blocking structure and is highly corrosion-resistant.
Disclosure of Invention
In order to overcome the above defects in the prior art, an embodiment of the present invention provides a pulse flowmeter with a pressure pipe, wherein a flowmeter probe rod is arranged, during the operation of the device, a flowmeter clamping seat is used to cooperate with a sealing bottom plate and a threaded buckle plate cover to form a sealing chamber to fix a flowmeter body, a sealing sleeve is sealed and fixed inside a sealing snap ring by using a connecting thread, the bottom end of an induction probe penetrates through the sealing snap ring to contact the bottom surface of the pipe wall of the pressure pipe body to perform flow monitoring, and the flowmeter body is far away from a monitoring fluid, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the pulsating flow meter with the pressure-leading pipe comprises a pressure-leading pipe body, wherein connecting flanges are welded at the left end and the right end of the pressure-leading pipe body, a flow meter clamping seat is mounted on the outer surface of the middle part of the pressure-leading pipe body in an embedded mode, a thread buckle plate cover is detachably mounted at the top end of the flow meter clamping seat through threads, a sealing bottom plate is fixedly mounted at the bottom end of the flow meter clamping seat, a sealing snap ring communicated with the inner cavity of the flow meter clamping seat is mounted in the middle of the sealing bottom plate in an embedded mode, a flow meter detection rod is movably sleeved in the sealing snap ring, the top end of the flow meter detection rod is fixedly connected with a flow meter body located in the inner cavity of the flow meter clamping seat, embedded connecting seats are mounted at the bottom end of the flow meter clamping seat and the left side and the right side of the connection part of the outer surface of the pressure-leading pipe body in an embedded connecting seat, a pressing sealing buckle plate is detachably mounted in the embedded connecting seats through threads, the top surface fixed mounting of pushing down the sealed buckle has the twist grip, the bottom surface fixed mounting of pushing down the sealed buckle has and is located the inside cartridge filter of pressure pipe body, the inside fixed mounting of cartridge filter has the slope to push down the filter plate, the bottom activity of cartridge filter cup joint with the interior pipe wall of pressure pipe body is fixed connection's sealed cassette, the inside fixed mounting of sealed cassette have with the pressure-sensitive ware that the surface of cartridge filter was laminated mutually.
In a preferred embodiment, the flowmeter body and the flowmeter probe rod are matched and combined components, and the flowmeter body is embedded and clamped at the top end of the inner cavity of the flowmeter clamping seat.
In a preferred embodiment, the flow meter probe rod comprises a sealing casing, an induction probe is embedded in the sealing casing, a connecting thread is formed on the surface of the bottom end of the sealing casing, and the bottom end of the induction probe penetrates through the sealing snap ring and contacts with the bottom surface of the pipe wall of the pressure leading pipe body.
In a preferred embodiment, the filter cartridge is an integrally formed cylindrical member with a U-shaped cross section, a rubber gasket is fixedly mounted on a bottom arc surface of the filter cartridge, and the bottom arc surface of the filter cartridge is in seamless fit with the inner pipe wall of the pressure leading pipe body through the gasket.
In a preferred embodiment, the number of the filter cartridges is two, and the two filter cartridges are distributed on two sides of the flow meter probe rod in a bilateral symmetry manner.
In a preferred embodiment, the number of the inclined downward-pressing filter plates is several, the several inclined downward-pressing filter plates are divided into two groups in equal quantity, the two groups of inclined downward-pressing filter plates are respectively and equidistantly distributed in the interiors of the two filter cartridges, and each inclined downward-pressing filter plate is inclined by fifteen degrees from the filter cartridge.
In a preferred embodiment, the sealing clamping seat is an integrally formed arc-shaped member, a clamping groove is formed in the top surface of the sealing clamping seat, a sealing rubber gasket is fixedly mounted inside the clamping groove, and the filter cartridge is tightly attached to the sealing rubber gasket.
The invention has the technical effects and advantages that:
1. according to the invention, the flowmeter detection rod is arranged, in the working process of the device, the flowmeter clamping seat is matched with the sealing bottom plate and the threaded buckle plate cover to form a sealing cavity to fix the flowmeter body, the sealing sleeve shell is sealed and fixed in the sealing snap ring by using the connecting threads, the bottom end of the sensing probe penetrates through the sealing snap ring to contact with the bottom surface of the pipe wall of the pressure leading pipe body for flow monitoring, the flowmeter body is far away from the monitoring fluid, the problem that a chip in the flowmeter body is damped and damaged is avoided, the service life of the device is prolonged, the problem that the flowmeter body blocks the flow of the fluid is also avoided, and the accuracy of the monitoring data of the flowmeter is improved.
2. According to the invention, through arranging the filter cylinder, the inclined downward-pressing filter plate and the pressure sensor, in the working process of the device, the embedded communication seat is matched with the downward-pressing sealing buckle plate to press and clamp the filter cylinder into the clamping groove in the sealing clamping seat, the sealing performance of the connection between the filter cylinder and the clamping groove is ensured through the sealing rubber gasket, then the impurities in the fluid are filtered and recovered through the two groups of inclined downward-pressing filter plates, the impurity filtering amount is monitored in real time through the pressure sensor, the pressure sensor is pressed after the impurities are filtered and accumulated to reach a certain amount to prompt a manager to clean the impurities, the problem that the flow meter detection rod is damaged by the impact of the impurities or the pressure guide pipe body is blocked is avoided, and the practicability of the device is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural diagram of a flow meter clamping seat of the invention.
Fig. 3 is a schematic view of a flow meter probe bar of the present invention.
Fig. 4 is a schematic view of the filter cartridge structure of the present invention.
Fig. 5 is a schematic structural diagram of the sealing cartridge of the present invention.
The reference signs are: 1. a pressure leading pipe body; 2. a connecting flange; 3. a flow meter clamping seat; 4. a threaded buckle plate cover; 5. sealing the bottom plate; 6. sealing the snap ring; 7. a flow meter probe rod; 8. a flowmeter body; 9. a built-in communication seat; 10. pressing the sealing buckle plate; 11. rotating the handle; 12. a filter cartridge; 13. obliquely pressing the filter plate; 14. sealing the card seat; 15. a pressure sensor; 16. a gasket member; 17. a clamping groove; 18. sealing the rubber gasket; 71. a sealing housing; 72. an inductive probe; 73. and connecting threads.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The pulsating flow meter with the pressure guiding pipe as shown in the attached figures 1-5 comprises a pressure guiding pipe body 1, wherein the left end and the right end of the pressure guiding pipe body 1 are both welded with a connecting flange 2, the outer surface of the middle part of the pressure guiding pipe body 1 is embedded with a flow meter clamping seat 3, the top end of the flow meter clamping seat 3 is detachably provided with a thread buckle plate cover 4 through threads, the bottom end of the flow meter clamping seat 3 is fixedly provided with a sealing bottom plate 5, the middle part of the sealing bottom plate 5 is embedded with a sealing buckle ring 6 communicated with the inner cavity of the flow meter clamping seat 3, the inner part of the sealing buckle ring 6 is movably sleeved with a flow meter detection rod 7, the top end of the flow meter detection rod 7 is fixedly connected with a flow meter body 8 positioned in the inner cavity of the flow meter clamping seat 3, the left side and the right side of the joint of the bottom end of the flow meter clamping seat 3 and the outer surface of the pressure guiding pipe body 1 are both embedded with a connecting seat 9, the inner part of the embedded connecting seat 9 is detachably provided with a depressing seal 10 through threads, the top surface fixed mounting who pushes down sealed buckle 10 has twist grip 11, and the bottom surface fixed mounting who pushes down sealed buckle 10 has the cartridge filter 12 that is located the inside of pressure pipe body 1, and the inside fixed mounting of cartridge filter 12 has slope to push down filter plate 13, and the bottom activity of cartridge filter 12 cup joints the sealed cassette 14 that is fixed connection with the interior pipe wall of pressure pipe body 1, and the inside fixed mounting of sealed cassette 14 has the pressure sensors 15 of laminating mutually with the surface of cartridge filter 12.
Referring to the attached drawings 2 and 3 of the specification specifically, a flowmeter body 8 and a flowmeter detecting rod 7 are matched combined components, and the flowmeter body 8 is embedded and clamped at the top end of an inner cavity of a flowmeter clamping seat 3.
The flowmeter detecting rod 7 comprises a sealing sleeve 71, an induction detecting head 72 is embedded in the sealing sleeve 71, a connecting thread 73 is formed in the surface of the bottom end of the sealing sleeve 71, and the bottom end of the induction detecting head 72 penetrates through the sealing snap ring 6 to touch the bottom surface of the pipe wall of the pressure guiding pipe body 1.
The implementation mode is specifically as follows: .
Referring to the drawings 4 and 5 in the specification, the filter cartridge 12 is an integrally formed cylindrical member with a U-shaped cross section, a rubber gasket 16 is fixedly mounted on the bottom arc surface of the filter cartridge 12, and the bottom arc surface of the filter cartridge 12 is in seamless fit with the inner pipe wall of the pressure leading pipe body 1 through the gasket 16.
The number of the filter cartridges 12 is two, and the two filter cartridges 12 are symmetrically distributed on two sides of the flow meter probe rod 7.
The quantity that the filter plate 13 was pushed down in the slope is a plurality of, and a plurality of slope pushes down filter plate 13 equivalent and divide into two sets ofly, and two sets of slopes push down filter plate 13 respectively the equidistance distribute in the inside of two cartridge filters 12, and every slope pushes down filter plate 13 and all is the skew fifteen degrees setting with cartridge filter 12.
The sealing clamping seat 14 is an integrally formed arc-shaped member, the top surface of the sealing clamping seat 14 is provided with a clamping groove 17, a sealing rubber gasket 18 is fixedly arranged in the clamping groove 17, and the filter cartridge 12 is tightly attached to the sealing rubber gasket 18.
The implementation mode is specifically as follows: through setting up cartridge filter 12 and slope push down filter plate 13 and pressure sensors 15, in the device course of operation, utilize embedded intercommunication seat 9 cooperation to push down sealed buckle 10 to cartridge filter 12 and push down the card and advance the inside joint groove 17 of sealed cassette 14, the leakproofness that cartridge filter 12 and joint groove 17 are connected is guaranteed to rethread sealed cushion 18, then push down filter plate 13 through two sets of slopes and filter the impurity in the fluid and retrieve, rethread pressure sensors 15 come the filterable volume of real time monitoring impurity, pressure sensors 15 pressurized suggestion managers after impurity filtering piles up to reach a certain amount, clear up impurity, avoided impurity striking damage flowmeter detection stick 7 or the problem of blockking up the pressure pipe body 1, the practicality of device has been improved.
The working principle of the invention is as follows: firstly, each component is installed and the normal operation of the device is kept, then a flowmeter body 8 is fixed by a sealing cavity formed by a flowmeter clamping seat 3, a sealing bottom plate 5 and a thread buckle plate cover 4, a sealing casing 71 is sealed and fixed in the sealing clamping ring 6 by connecting threads 73, the bottom end of an induction probe 72 passes through the sealing clamping ring 6 and contacts the bottom surface of the pipe wall of a pressure leading pipe body 1 for flow monitoring, the flowmeter body 8 is far away from monitoring fluid, then an embedded connecting seat 9 is matched with a downward pressing sealing buckle plate 10 to press and clamp a filter cartridge 12 into a clamping groove 17 in a sealing clamping seat 14, the sealing performance of the connection of the filter cartridge 12 and the clamping groove 17 is ensured by a sealing rubber gasket 18, then impurities in the fluid are filtered and recovered by two groups of inclined downward pressing filter plates 13, and the amount of the filtered impurities is monitored in real time by a pressure sensor 15, after the impurities are filtered and accumulated to reach a certain amount, the pressure sensor 15 is pressed to prompt a manager to clean the impurities.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (7)
1. Take impulse type flowmeter of pressure tube, including pressure tube body (1), all welded flange (2) in both ends about pressure tube body (1), the surface at pressure tube body (1) middle part is inlayed and is installed flowmeter joint seat (3), its characterized in that: the flowmeter clamping seat is characterized in that a threaded buckle plate cover (4) is detachably mounted at the top end of the flowmeter clamping seat (3) through threads, a sealing bottom plate (5) is fixedly mounted at the bottom end of the flowmeter clamping seat (3), a sealing snap ring (6) communicated with an inner cavity of the flowmeter clamping seat (3) is mounted in the middle of the sealing bottom plate (5) in an embedded mode, a flowmeter detection rod (7) is sleeved on the sealing snap ring (6) in an internal movable mode, a flowmeter body (8) located in the inner cavity of the flowmeter clamping seat (3) is fixedly connected to the top end of the flowmeter detection rod (7), embedded connecting seats (9) are mounted in the bottom end of the flowmeter clamping seat (3) and the left side and the right side of the outer surface connecting position of the pressure pipe body (1) in an embedded mode, a lower pressure sealing buckle plate (10) is detachably mounted in the embedded connecting seats (9) through threads, the utility model discloses a pressure pipe, including the pressure pipe body, the top surface fixed mounting who pushes down sealed buckle (10) has twist grip (11), the bottom surface fixed mounting who pushes down sealed buckle (10) has and is located draw pressure pipe body (1) inside cartridge filter (12), the inside fixed mounting of cartridge filter (12) has slope to push down filter plate (13), the bottom activity of cartridge filter (12) cup joint with the interior pipe wall that draws pressure pipe body (1) is fixed connection's sealed cassette (14), the inside fixed mounting of sealed cassette (14) have with pressure sensors (15) that the surface of cartridge filter (12) laminated mutually.
2. The pulse flowmeter with pressure introducing pipe according to claim 1, wherein: the flowmeter comprises a flowmeter body (8) and a flowmeter detection rod (7), wherein the flowmeter body (8) and the flowmeter detection rod are matched combined components, and the flowmeter body (8) is embedded and clamped at the top end of an inner cavity of a flowmeter clamping seat (3).
3. The pulse flowmeter with pressure introducing pipe according to claim 2, wherein: flowmeter probe rod (7) are including sealed cover shell (71), the inside of sealed cover shell (71) is inlayed and is installed response detecting head (72), connecting thread (73) have been seted up on the surface of sealed cover shell (71) bottom, the bottom of response detecting head (72) is passed sealed snap ring (6) touches the bottom surface of pressure pipe body (1) pipe wall.
4. The pulse flowmeter with pressure introducing pipe according to claim 1, wherein: the filter cartridge (12) is an integrally formed cylindrical component with a U-shaped cross section, a rubber sealing gasket piece (16) is fixedly mounted on the bottom arc surface of the filter cartridge (12), and the bottom arc surface of the filter cartridge (12) is in seamless fit with the inner pipe wall of the pressure guiding pipe body (1) through the sealing gasket piece (16).
5. The pulse flowmeter with pressure introducing pipe according to claim 1, wherein: the number of the filter cartridges (12) is two, and the two filter cartridges (12) are distributed on two sides of the flowmeter detecting rod (7) in a bilateral symmetry manner.
6. The pulse flowmeter with pressure-introducing pipe according to claim 5, wherein: the quantity of filter plate (13) is pressed in the slope is a plurality of, and a plurality of slope is pressed filter plate (13) equivalent and is divided into two sets ofly down, and two sets of slopes are pressed filter plate (13) respectively equidistance and are distributed in the inside of two cartridge filters (12), and every slope press filter plate (13) all with cartridge filter (12) are the setting of ten five degrees of incline.
7. The pulse flowmeter with pressure introducing pipe according to claim 1, wherein: the filter cartridge is characterized in that the sealing clamping seat (14) is an arc-shaped component which is integrally formed, a clamping groove (17) is formed in the top surface of the sealing clamping seat (14), a sealing rubber pad (18) is fixedly mounted inside the clamping groove (17), and the filter cartridge (12) is tightly attached to the sealing rubber pad (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010577200.9A CN113834540A (en) | 2020-06-23 | 2020-06-23 | Pulsation type flowmeter with pressure guiding pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010577200.9A CN113834540A (en) | 2020-06-23 | 2020-06-23 | Pulsation type flowmeter with pressure guiding pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113834540A true CN113834540A (en) | 2021-12-24 |
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ID=78963934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010577200.9A Pending CN113834540A (en) | 2020-06-23 | 2020-06-23 | Pulsation type flowmeter with pressure guiding pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113834540A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117760512A (en) * | 2024-02-22 | 2024-03-26 | 丹东耐能仪表电器有限公司 | anti-blocking damping type metal tube float flowmeter |
-
2020
- 2020-06-23 CN CN202010577200.9A patent/CN113834540A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117760512A (en) * | 2024-02-22 | 2024-03-26 | 丹东耐能仪表电器有限公司 | anti-blocking damping type metal tube float flowmeter |
| CN117760512B (en) * | 2024-02-22 | 2024-05-03 | 丹东耐能仪表电器有限公司 | Anti-blocking damping type metal tube float flowmeter |
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Application publication date: 20211224 |