CN108955807A - A kind of Intelligent internet of things water meter - Google Patents
A kind of Intelligent internet of things water meter Download PDFInfo
- Publication number
- CN108955807A CN108955807A CN201811205119.7A CN201811205119A CN108955807A CN 108955807 A CN108955807 A CN 108955807A CN 201811205119 A CN201811205119 A CN 201811205119A CN 108955807 A CN108955807 A CN 108955807A
- Authority
- CN
- China
- Prior art keywords
- water meter
- meter body
- water
- filter plate
- intelligent internet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- 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
- G01F15/10—Preventing damage by freezing or excess pressure or insufficient pressure
- G01F15/105—Preventing damage by hydraulic shocks
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention discloses a kind of Intelligent internet of things water meters, including water meter body, the two sides of the water meter body have been respectively communicated with water-supply-pipe and drainpipe, the water meter body is fixedly connected with slot on the inside of water delivery bottom of the tube, the outside that the water meter body is located on the same vertical line of slot is fixedly connected with fixed sleeving, the internal activity of the fixed sleeving is socketed with filter plate, and the filter plate and slot activity are clamped.In the present invention, by being respectively fixedly connected with slot and fixed sleeving at the top of the inside of water meter body bottom and water meter body, it the filter plate of pivot bush unit and is plugged in slot in fixed sleeving, strainer in filter plate can prevent scale crust, sandstone, flax silk from entering in water meter body, gasket is equipped on the inside of fixed sleeving again, gasket can avoid gap of the water between fixing sleeve and filter plate and overflow, when being covered with flax silk on filter plate strainer, when influencing water flow velocity, it extracts filter plate out, the flax silk on strainer can be removed.
Description
Technical field
The present invention relates to water meter technical field more particularly to a kind of Intelligent internet of things water meters.
Background technique
Intelligent internet of things water meter be by detection ultrasonic wave acoustic beam in water time and tide propagate when because speed changes
And generate the time difference, analysis handle water outlet flow velocity to further calculate water outlet flow a kind of new-type water meter, in
Portion's no-movable part is not influenced without flow blocking element by impurities in water, and long service life, outputting communication is multiple functional, is met each
Class communication and wireless networking requirement, and there is outstanding small flow sensing capability, the problem of can solve numerous conventional water meters, more
Be suitble to the charge of water rate gradient, be more suitable water resource saving and rationally utilize, have a vast market and prospect of the application.
Intelligent internet of things water meter and water quality into water service pipe there is no ideal is cleaned when going out water factory like that at present, has
When the case where accompanying some impurity, such as scale crust, sandstone, flax silk, measurement accuracy is caused to be lower, on the other hand, existing market
On water meter, be all to be fixedly connected water pipe and water inlet pipe by screw bolt and nut, but water meter is when something goes wrong, it is necessary to borrow
Assistant engineer's tool could disassemble water meter gauge outfit, and disassembly process is extremely troublesome, and by manually being dismantled, time-consuming and laborious.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of Intelligent internet of things water proposed
Table.
To achieve the goals above, present invention employs following technical solutions: a kind of Intelligent internet of things water meter, including water meter
Ontology, the two sides of the water meter body have been respectively communicated with water-supply-pipe and drainpipe, and the water meter body is adjacent to water delivery bottom of the tube
Inside is fixedly connected with slot, and the outside that the water meter body is located on the same vertical line of slot is fixedly connected with fixed sleeving,
The internal activity of the fixed sleeving is socketed with filter plate, and the filter plate and slot activity are clamped, the top of the water meter body
Portion is equipped with quick-release arrangement, and the quick-release arrangement includes mounting base, fixed at the top of the mounting base and water meter body to connect
It connects, the side of the mounting base offers annular groove and sliding groove respectively, and the annular groove interpenetrates with sliding groove, institute
It states and is connected with gauge stand on the outside of mounting base, gauge outfit is installed at the top of the gauge stand, the bottom of the water meter body is equipped with
Agitating device, the agitating device include casing, and the casing is fixedly mounted on the bottom of water meter body, the machine by screw
Motor is installed inside shell, shaft coupling is installed, and be fixedly connected with and pass through on the output shaft of motor on the output shaft of the motor
Wear the agitating shaft of water meter body bottom.
Preferably, the filter plate includes pulling plate and strainer, and the pulling plate is fixedly connected with strainer.
Preferably, the side of the gauge stand is rotatably connected to pulley by shaft, and the pulley is opened up with mounting base side
Annular groove be slidably connected.
Preferably, the side of the agitating shaft is welded with paddle, and the inside of the paddle is equipped with adsorption net.
Preferably, it being fixedly connected with axle bed on the inside of the water meter body bottom, the axle bed is flexibly connected with agitating shaft,
And the inside of axle bed is equipped with sealing shroud.
Preferably, the inside of the fixed sleeving is equipped with gasket, and the gasket is rectangle structure.
Preferably, it is fixedly installed with motor switch on the outside of the casing, the output end of the motor switch and motor
Input terminal is electrically connected.
Preferably, flange is equipped between the water meter body and water-supply-pipe and drainpipe.
Compared with prior art, the beneficial effects of the present invention are: passing through inside in water meter body bottom and water meter body
Top is respectively fixedly connected with slot and fixed sleeving, the filter plate of pivot bush unit and is plugged in slot in fixed sleeving, filters
Strainer in plate can prevent scale crust, sandstone, flax silk from entering in water meter body, and gasket is equipped on the inside of fixed sleeving, sealing
The gap spilling that can avoid water between fixed sleeving and filter plate is padded, when being covered with flax silk on filter plate strainer, influences water flow velocity
When, it extracts filter plate out, the flax silk on strainer can be removed, and be equipped with agitating device, agitating device packet in the bottom of water meter body
Casing is included, the output shaft of the inside installation motor of casing installs shaft coupling, and shaft coupling refers to two axis of connection or axis and revolving meber,
It is turned round together in passing movement and dynamic process, a kind of device not disengaged under normal circumstances, is also used as a kind of safety sometimes
Device is used to prevent coupled parts from bearing excessive load, plays the role of overload protection, and fixed on the output shaft of motor
The agitating shaft side of connection connects paddle, and paddle accelerates filter process by stirring water flow, and sets on the inside of paddle
There is adsorption net, adsorption net is used to adsorb the harmful substance in water, further through quick-release arrangement is equipped at the top of water meter body, fastly
Quick-detach device includes mounting base, and mounting base is fixedly connected with water meter body, and mounting base side offers annular groove respectively
And sliding groove, annular groove and sliding groove penetrate through, and the pulley being rotatablely connected by shaft that is slidably connected in annular groove, when
When needing to dismantle gauge outfit, rotate gauge stand, pulley is turned in annular groove at the position of sliding groove, quickly remove gauge outfit into
Row maintenance, solve current Intelligent internet of things water meter and water quality into water service pipe there is no clean reason like that when going out water factory
The case where thinking, accompanying some impurity, such as scale crust, sandstone, flax silk sometimes, measurement accuracy is caused to be lower, on the other hand, at present
Water meter in the market is all to be fixedly connected water pipe and water inlet pipe by screw bolt and nut, but water meter is when something goes wrong, must
Water meter gauge outfit could must be disassembled by tool, disassembly process is extremely troublesome, and by manually being dismantled, time-consuming and laborious
The problem of.
Detailed description of the invention
Fig. 1 is a kind of main view of Intelligent internet of things water meter proposed by the present invention；
Fig. 2 is a kind of main view cut away view of Intelligent internet of things water meter proposed by the present invention；
Fig. 3 is a kind of quick-release arrangement structural schematic diagram of Intelligent internet of things water meter proposed by the present invention；
Fig. 4 is a kind of agitating device structural schematic diagram of Intelligent internet of things water meter proposed by the present invention；
Fig. 5 is a kind of filter plate schematic diagram of Intelligent internet of things water meter proposed by the present invention；
Fig. 6 is a kind of partial structural diagram of Intelligent internet of things water meter proposed by the present invention.
In figure: 1, water meter body；2, water-supply-pipe；3, drainpipe；4, slot；5, fixed sleeving；6, filter plate；61, pulling plate；
62, strainer；7, quick-release arrangement；71, mounting base；72, annular groove；73, sliding groove；74, gauge stand；75, pulley；8, table
Head；9, agitating device；91, casing；92, motor；93, shaft coupling；94, agitating shaft；95, paddle；96, adsorption net；10, axis
Seat；11, gasket；12, motor switch.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-6 is please referred to, the present invention provides a kind of technical solution: a kind of Intelligent internet of things water meter, including water meter body 1,
The two sides of water meter body 1 have been respectively communicated with water-supply-pipe 2 and drainpipe 3, and water meter body 1 is fixed adjacent to the inside of 2 bottom of water-supply-pipe
It is connected with slot 4, the outside that water meter body 1 is located on the same vertical line of slot 4 is fixedly connected with fixed sleeving 5, fixed sleeving 5
Internal activity be socketed with filter plate 6, filter plate 6 and 4 activity of slot are clamped, and the top of water meter body 1 is equipped with fast quick-detach dress
7 are set, quick-release arrangement 7 includes mounting base 71, is fixedly connected at the top of mounting base 71 and water meter body 1, the side of mounting base 71
Annular groove 72 and sliding groove 73 are offered respectively, and annular groove 72 interpenetrates with sliding groove 73, and the outside of mounting base 71 is living
Dynamic to be connected with gauge stand 74, the top of gauge stand 74 is equipped with gauge outfit 8, and the bottom of water meter body 1 is equipped with agitating device 9, agitating device 9
Including casing 91, casing 91 is fixedly mounted on the bottom of water meter body 1 by screw, and motor 92 is equipped with inside casing 91, electricity
Shaft coupling 93 is installed on the output shaft of machine 92, and is fixedly connected on the output shaft of motor 92 through 1 bottom of water meter body
Agitating shaft 94.
Filter plate 6 includes pulling plate 61 and strainer 62, and pulling plate 61 is fixedly connected with strainer 62, and the strainer 62 in filter plate 6 can
Scale crust, sandstone, flax silk is prevented to enter in water meter body 1, the side of gauge stand 74 is rotatably connected to pulley 75, pulley 75 by shaft
The annular groove 72 opened up with 71 side of mounting base is slidably connected, and the side of agitating shaft 94 is welded with paddle 95, paddle 95
Inside be equipped with adsorption net 96, adsorption net 96 is used to adsorb harmful substance in water, and water meter body is fixedly connected on the inside of 1 bottom
There is axle bed 10, axle bed 10 is flexibly connected with agitating shaft 94, and the inside of axle bed 10 is equipped with sealing shroud, and the inside of fixed sleeving 5 is set
There is gasket 11, gasket 11 is rectangle structure, and gasket 11 can avoid seam of the water between fixed sleeving 5 and filter plate 6
Gap is overflowed, and the outside of casing 91 is fixedly installed with motor switch 12, the output end of motor switch 12 and the input terminal electricity of motor 92
Property connection, be equipped with flange between water meter body 1 and water-supply-pipe 2 and drainpipe 3.
Working principle: firstly, when by observing that flow rate of water flow is slack-off in Intelligent internet of things water meter gauge outfit 8, motor is pressed
Switch 12 starts motor 92, and by being equipped with agitating device 9 in the bottom of water meter body 1, agitating device 9 includes casing 91, casing
The output shaft of 91 inside installation motor 92 installs shaft coupling 93, and shaft coupling 93 refers to two axis of connection or axis and revolving meber, passing
It passs and is turned round together in movement and dynamic process, a kind of device not disengaged under normal circumstances, sometimes also as a kind of safety dress
It sets for preventing coupled parts from bearing excessive load, plays the role of overload protection, and fixed on the output shaft of motor 92
94 side of agitating shaft of connection connects paddle 95, and quickly agitation can be such that filter process accelerates to paddle 95, further through filter plate 6
Scale crust, sandstone, flax silk in filtered water stream are connected by the inside in 1 bottom of water meter body with fixed respectively at the top of water meter body 1
Slot 4 and fixed sleeving 5 are patched, the filter plate 6 of pivot bush unit and is plugged in slot 4, the filter in filter plate 6 in fixed sleeving 5
Net 62 can prevent scale crust, sandstone, flax silk from entering in water meter body 1, and gasket 11, gasket are equipped on the inside of fixed sleeving 5
Gap of the 11 avoidable water between fixed sleeving 5 and filter plate 6 is overflowed, and when being covered with flax silk on 6 strainer 62 of filter plate, influences water
When flow velocity, extracts filter plate 6 out, the flax silk on strainer 62 can be removed, when water meter, which needs repairing, to be replaced, by water meter body
1 top is equipped with quick-release arrangement 7, and quick-release arrangement 7 includes mounting base 71, and fixing with water meter body 1 for mounting base 71 connects
It connects, 71 side of mounting base offers annular groove 72 and sliding groove 73 respectively, and annular groove 72 and sliding groove 73 penetrate through, and in ring
Be slidably connected the pulley 75 being rotatablely connected by shaft in connected in star 72, when needing to dismantle gauge outfit 8, gauge stand 74 is rotated, sliding
Wheel 75 is turned in annular groove 72 at the position of sliding groove 73, is quickly removed gauge outfit 8 and is repaired, solves current intelligence
Internet of Things water meter and water quality into water service pipe there is no ideal is cleaned when going out water factory like that, accompanies some miscellaneous sometimes
Matter, such as scale crust, sandstone, flax silk, the case where causing measurement accuracy to be lower, on the other hand, water meter currently on the market, be all by
Water pipe and water inlet pipe are fixedly connected by screw bolt and nut, but water meter is when something goes wrong, it is necessary to could be by water by tool
Table gauge outfit disassembles, and disassembly process is extremely troublesome, and by manually being dismantled, time-consuming and laborious problem.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of Intelligent internet of things water meter, including water meter body (1), it is characterised in that: distinguish the two sides of the water meter body (1)
It is communicated with water-supply-pipe (2) and drainpipe (3), is fixedly connected on the inside of neighbouring water-supply-pipe (2) bottom of the water meter body (1) slotting
Slot (4), the outside that the water meter body (1) is located on slot (4) same vertical line is fixedly connected with fixed sleeving (5), described
The internal activity of fixed sleeving (5) is socketed with filter plate (6), and the filter plate (6) and slot (4) activity are clamped, the water meter
The top of ontology (1) is equipped with quick-release arrangement (7), and the quick-release arrangement (7) includes mounting base (71), the mounting base
(71) it is fixedly connected with water meter body (1) top, the side of the mounting base (71) offers annular groove (72) respectively and slides
Dynamic slot (73), the annular groove (72) are interpenetrated with sliding groove (73), are connected on the outside of the mounting base (71)
Gauge stand (74) is equipped with gauge outfit (8) at the top of the gauge stand (74), and the bottom of the water meter body (1) is equipped with agitating device
(9), the agitating device (9) includes casing (91), and the casing (91) is fixedly mounted on the bottom of water meter body (1) by screw
Portion, the casing (91) is internal to be equipped with motor (92), is equipped with shaft coupling (93) on the output shaft of the motor (92), and electricity
The agitating shaft (94) through water meter body (1) bottom is fixedly connected on the output shaft of machine (92).
2. a kind of Intelligent internet of things water meter according to claim 1, it is characterised in that: the filter plate (6) includes pulling plate
(61) it is fixedly connected with strainer (62), the pulling plate (61) with strainer (62).
3. a kind of Intelligent internet of things water meter according to claim 1, it is characterised in that: the side of the gauge stand (74) passes through
Shaft is rotatably connected to pulley (75), and annular groove (72) sliding that the pulley (75) opens up with mounting base (71) side connects
It connects.
4. a kind of Intelligent internet of things water meter according to claim 1, it is characterised in that: weld the side of the agitating shaft (94)
It is connected to paddle (95), the inside of the paddle (95) is equipped with adsorption net (96).
5. a kind of Intelligent internet of things water meter according to claim 1, it is characterised in that: water meter body (1) bottom
Inside is fixedly connected with axle bed (10), and the axle bed (10) is flexibly connected with agitating shaft (94), and the inside of axle bed (10) is equipped with
Sealing shroud.
6. a kind of Intelligent internet of things water meter according to claim 1, it is characterised in that: the inside of the fixed sleeving (5)
Equipped with gasket (11), the gasket (11) is rectangle structure.
7. a kind of Intelligent internet of things water meter according to claim 1, it is characterised in that: the outside of the casing (91) is fixed
It is equipped with motor switch (12), the output end of the motor switch (12) and the input terminal of motor (92) are electrically connected.
8. a kind of Intelligent internet of things water meter according to claim 1, it is characterised in that: the water meter body (1) and water delivery
Flange is equipped between pipe (2) and drainpipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811205119.7A CN108955807B (en) | 2018-10-16 | 2018-10-16 | Intelligent Internet of things water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811205119.7A CN108955807B (en) | 2018-10-16 | 2018-10-16 | Intelligent Internet of things water meter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108955807A true CN108955807A (en) | 2018-12-07 |
| CN108955807B CN108955807B (en) | 2020-04-14 |
Family
ID=64480936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811205119.7A Expired - Fee Related CN108955807B (en) | 2018-10-16 | 2018-10-16 | Intelligent Internet of things water meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108955807B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112212932A (en) * | 2020-09-28 | 2021-01-12 | 湖南常德牌水表制造有限公司 | Positive displacement water meter with pressure overload protection structure |
| CN112414498A (en) * | 2019-08-20 | 2021-02-26 | 侯耀淞 | Strengthening structure of flow meter connecting pipe |
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| JPH02262016A (en) * | 1989-02-24 | 1990-10-24 | Robert Bosch Gmbh | Air quantity measuring apparatus |
| US20060090572A1 (en) * | 2004-06-10 | 2006-05-04 | Arad Dalia, Ltd. | Multi-jet water meter with flow compensating basket |
| DE102004055816A1 (en) * | 2004-11-18 | 2006-06-01 | Hydrometer Gmbh | Fluid meter has measuring insert, which is provided in installed state between connecting piece and measuring box and has ring shaped filter in inlet, and another filter in area of outlet of box as separate component |
| CN200952949Y (en) * | 2006-09-25 | 2007-09-26 | 上海沪庆仪表有限公司 | Flowmeter protector |
| CN202994225U (en) * | 2012-12-25 | 2013-06-12 | 山东思达特测控设备有限公司 | Cleaning device of gas ultrasonic flowmeter |
| CN104075763A (en) * | 2014-07-21 | 2014-10-01 | 江苏赛达电子科技有限公司 | Detachable split type water meter |
| CN204881743U (en) * | 2015-05-29 | 2015-12-16 | 天津市金超利达科技有限公司 | Simple and easy wireless teletransmission water gauge of blowdown high accuracy |
| CN205691184U (en) * | 2016-05-26 | 2016-11-16 | 慈溪市校杰电器有限公司 | A kind of Anti-block water meter |
| CN107436168A (en) * | 2016-05-26 | 2017-12-05 | 岑立峰 | A kind of water meter of convenient disassembly |
| CN207601939U (en) * | 2017-12-14 | 2018-07-10 | 西安和幸科技实业有限公司 | A kind of IC card pre-payment water meter |
| CN108548571A (en) * | 2018-05-04 | 2018-09-18 | 黄伟彬 | A kind of accurate water meter with filtering function |
| CN207946126U (en) * | 2018-03-15 | 2018-10-09 | 沈阳市博森科技有限公司 | A kind of full-automatic thermal type gas quality flow meter |
-
2018
- 2018-10-16 CN CN201811205119.7A patent/CN108955807B/en not_active Expired - Fee Related
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02262016A (en) * | 1989-02-24 | 1990-10-24 | Robert Bosch Gmbh | Air quantity measuring apparatus |
| US20060090572A1 (en) * | 2004-06-10 | 2006-05-04 | Arad Dalia, Ltd. | Multi-jet water meter with flow compensating basket |
| DE102004055816A1 (en) * | 2004-11-18 | 2006-06-01 | Hydrometer Gmbh | Fluid meter has measuring insert, which is provided in installed state between connecting piece and measuring box and has ring shaped filter in inlet, and another filter in area of outlet of box as separate component |
| CN200952949Y (en) * | 2006-09-25 | 2007-09-26 | 上海沪庆仪表有限公司 | Flowmeter protector |
| CN202994225U (en) * | 2012-12-25 | 2013-06-12 | 山东思达特测控设备有限公司 | Cleaning device of gas ultrasonic flowmeter |
| CN104075763A (en) * | 2014-07-21 | 2014-10-01 | 江苏赛达电子科技有限公司 | Detachable split type water meter |
| CN204881743U (en) * | 2015-05-29 | 2015-12-16 | 天津市金超利达科技有限公司 | Simple and easy wireless teletransmission water gauge of blowdown high accuracy |
| CN205691184U (en) * | 2016-05-26 | 2016-11-16 | 慈溪市校杰电器有限公司 | A kind of Anti-block water meter |
| CN107436168A (en) * | 2016-05-26 | 2017-12-05 | 岑立峰 | A kind of water meter of convenient disassembly |
| CN207601939U (en) * | 2017-12-14 | 2018-07-10 | 西安和幸科技实业有限公司 | A kind of IC card pre-payment water meter |
| CN207946126U (en) * | 2018-03-15 | 2018-10-09 | 沈阳市博森科技有限公司 | A kind of full-automatic thermal type gas quality flow meter |
| CN108548571A (en) * | 2018-05-04 | 2018-09-18 | 黄伟彬 | A kind of accurate water meter with filtering function |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112414498A (en) * | 2019-08-20 | 2021-02-26 | 侯耀淞 | Strengthening structure of flow meter connecting pipe |
| CN112414498B (en) * | 2019-08-20 | 2024-03-22 | 侯耀淞 | Reinforced structure of flowmeter connecting pipe |
| CN112212932A (en) * | 2020-09-28 | 2021-01-12 | 湖南常德牌水表制造有限公司 | Positive displacement water meter with pressure overload protection structure |
| CN112212932B (en) * | 2020-09-28 | 2024-02-06 | 湖南常德牌水表制造有限公司 | Volumetric water meter with pressure overload protection structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108955807B (en) | 2020-04-14 |
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