CN112179434A - Industrial piston positive displacement water meter - Google Patents
Industrial piston positive displacement water meter Download PDFInfo
- Publication number
- CN112179434A CN112179434A CN202011037869.5A CN202011037869A CN112179434A CN 112179434 A CN112179434 A CN 112179434A CN 202011037869 A CN202011037869 A CN 202011037869A CN 112179434 A CN112179434 A CN 112179434A
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- Prior art keywords
- water
- water inlet
- lower shell
- metering chamber
- positive displacement
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 194
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 28
- 238000005259 measurement Methods 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 238000004140 cleaning Methods 0.000 claims description 16
- 238000005192 partition Methods 0.000 claims description 12
- 244000309464 bull Species 0.000 claims description 10
- 239000000428 dust Substances 0.000 description 21
- 238000001914 filtration Methods 0.000 description 9
- 230000006872 improvement Effects 0.000 description 9
- 239000012535 impurity Substances 0.000 description 6
- 238000007790 scraping Methods 0.000 description 6
- 238000010030 laminating Methods 0.000 description 4
- 238000010408 sweeping Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910001060 Gray iron Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F11/00—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
- G01F11/02—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement
- G01F11/021—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement of the piston type
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F11/00—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
- G01F11/006—Details or accessories
-
- 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
-
- 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
-
- 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 relates to the technical field of water meters, in particular to an industrial piston positive displacement water meter. It includes inlet tube and drain pipe, is provided with the positive displacement water gauge body between inlet tube and the drain pipe, and the positive displacement water gauge body includes at least: the lower shell, lower shell body outer wall has seted up water inlet and outlet, the water inlet communicates the inside of lower shell with the outlet, the water inlet is sealed to communicate the inlet tube tip, the outlet is sealed to communicate the outlet tube tip, lower shell body top intercommunication has the connection swivel nut, measurement room mechanism includes the measurement room, the measurement room is fixed to be set up in the casing down, the inside water inlet and the outlet of measurement room intercommunication, the inside piston that rotates of measurement room is provided with, measurement room top is provided with the measurement lid, measurement room bottom inlays and is equipped with filter equipment, filter equipment includes fixed arc piece, fixed arc piece surface inlays and is equipped with the arc filter screen, the measurement of the invention is more accurate, and it is better to use flange joint water pipe sealing performance.
Description
Technical Field
The invention relates to the technical field of water meters, in particular to an industrial piston positive displacement water meter.
Background
The water meter is a common article in daily life, wherein a volumetric water meter is widely used, the volumetric water meter measures the volume of actual fluid passing through the water meter, a movement of the volumetric water meter generally comprises a metering chamber, a piston, a partition plate, a metering cover and the like, and water is metered by the rotation of the piston in a cavity formed by the metering chamber and the metering cover;
however, the existing positive displacement water meter is not provided with an effective blocking device, so that a gap exists between the metering chamber mechanism and the lower shell, and part of water is directly discharged from the water outlet without passing through the interior of the metering chamber, so that the metering precision of the water meter is influenced.
Disclosure of Invention
The present invention is directed to an industrial piston positive displacement water meter that solves the problems set forth above in the background.
In order to achieve the above object, the present invention provides an industrial piston displacement water meter, which comprises a water inlet pipe and a water outlet pipe, wherein a displacement water meter body is arranged between the water inlet pipe and the water outlet pipe, and the displacement water meter body at least comprises:
the water inlet and the water outlet are communicated with the interior of the lower shell, the water inlet is communicated with the end part of the water inlet pipe in a sealing manner, the water outlet is communicated with the end part of the water outlet pipe in a sealing manner, the top of the lower shell is communicated with a connecting screw sleeve, and the connecting screw sleeve and the lower shell are of an integrally formed structure;
when the lower shell of the embodiment is used specifically, water flow enters the lower shell from the water inlet, and water is discharged from the lower shell through the water outlet;
the metering chamber mechanism comprises a metering chamber, the metering chamber is fixedly arranged inside the lower shell, the interior of the metering chamber is communicated with the water inlet and the water outlet, a piston is rotatably arranged inside the metering chamber, a metering cover is arranged at the top of the metering chamber, a filtering device is embedded at the bottom of the metering chamber and comprises a fixed arc block, an arc-shaped filtering net is embedded on the surface of the fixed arc block, and the arc-shaped filtering net is close to the water inlet;
when the metering chamber mechanism is used specifically, after water flows into the lower shell from the water inlet, the water flows into the metering chamber from the arc-shaped filter screen at the bottom of the metering chamber through filtration, the water flow drives the piston to rotate in the metering chamber, the piston performs eccentric rotation motion in the metering chamber, and in the motion process, a space with a certain volume is formed between the piston and the metering chamber, so that the space is filled with the water flow, the water is sent to the water outlet along with the rotation of the piston, the rotation times of the piston are measured, the water is metered, and then the water flows into the water outlet from the upper part of the metering chamber and is discharged;
the upper meter body comprises an upper meter shell, the upper meter shell is in threaded connection with the top of the connecting threaded sleeve, a counter is arranged inside the upper meter shell, and the top of a dial plate of the counter is hinged with a dustproof cover;
the last table body of this embodiment measures the piston through the counter when specifically using at the inside rotatory number of times of measurement room, then rotates the shield, makes the dial plate of counter expose, makes things convenient for the reading, when not reading, rotates the shield, protects the dial plate of counter with the shield at the dial plate top of counter.
As a further improvement of the technical scheme, the water inlet pipe is the same as the drain pipe in size, the water inlet pipe is provided with a connecting flange at the end of the drain pipe, the surface of the connecting flange is provided with a plurality of screw holes, and the outer wall of the connecting flange is provided with two symmetrical limiting grooves.
As a further improvement of this technical scheme, the flange outer wall is provided with the sealing device of two symmetries, sealing device includes half arc piece, half arc piece inner wall with flange closely laminates, half arc piece inner wall is provided with the rubber pad, half arc piece inner wall with be provided with spacing spring between the spacing inslot chamber, spacing spring is tensile at the spacing inslot portion, half arc piece both surfaces all are provided with the side arc board, one of them side arc inboard wall with the flange surface closely laminates.
As a further improvement of the technical scheme, the arc-shaped filter screen is 400-600 meshes.
As a further improvement of the technical scheme, the bottom of the filtering device is provided with an anti-blocking device which comprises a rotating rod, the top of the rotating rod is rotatably arranged at the center of the bottom of the fixed arc block, the outer wall of the rotating rod is provided with a scraping plate, the top of the scraping plate is provided with a scraping brush, and the scraping brush is closely attached to the bottom of the arc-shaped filter screen.
When the anti-blocking device in this embodiment specifically uses, rotate by the bull stick, drive and scrape the movable plate and rotate in fixed arc piece below, make and scrape brush tip and the rotation of closely laminating of ARC filter, can brush the foreign matter that ARC filter surface net blockked up, avoid the net influence normal use that the foreign matter blockked up ARC filter.
As a further improvement of the technical scheme, the end part of the rotating rod rotates in a sealing mode to extend out of the inner portion of the lower shell and is connected with a motor output shaft, and the motor is fixedly arranged at the bottom of the lower shell.
As a further improvement of the technical scheme, a front partition plate is arranged at the edge of the top of the metering chamber, and the top of the front partition plate is fixedly arranged at the top of the lower shell close to the water inlet.
As a further improvement of the technical scheme, the bottom of the metering chamber is provided with a rear partition plate, and the rear partition plate is fixedly arranged at the bottom of the lower shell close to the water outlet.
As a further improvement of the technical scheme, the inner cavity of the dust cover is rotatably provided with a connecting rod, the bottom of the connecting rod is provided with a cleaning plate, the bottom of the cleaning plate is provided with a plurality of cleaning brushes, and the end parts of the cleaning brushes are tightly attached to the top of the dial plate of the counter.
As a further improvement of the technical scheme, the motor is arranged at the top of the dustproof cover, and the output shaft of the motor rotatably extends into the dustproof cover, and a connecting rod is connected inside the dustproof cover.
Compared with the prior art, the invention has the beneficial effects that:
1. in this industrial piston positive displacement water gauge, through setting up preceding baffle and back baffle, inside preceding baffle can blockking the water that gets into from the water inlet directly got into the measurement room, the back baffle can block the water that gets into from the water inlet and directly flow from the outlet, makes water flow into the outlet from the measurement lid at measurement room top, avoids rivers not get into the measurement room just to flow, makes the rivers count more accurate.
2. In this industrial piston positive displacement water gauge, through setting up sealing device, put flange and the flange of water pipe tip inside half arc piece respectively, make two side arc boards closely laminate with the flange surface of flange and water pipe tip respectively, make the sealed flange joint gap department that is located flange and water pipe tip of rubber pad, make flange and the flange joint of water pipe tip more sealed, prevent effectively that water from oozing.
3. In this industrial piston positive displacement water gauge, through setting up the ARC filter screen, inside rivers that get into from the water inlet can be preferentially followed the filter screen and get into the measurement room, the ARC filter screen can filter the impurity of aquatic, avoids the impurity of aquatic to get into the measurement room and deposits up between piston and measurement indoor wall, influences the normal rotation of piston.
4. In this industrial piston positive displacement water gauge, through setting up stifled device, rotate by the bull stick, drive and scrape the movable plate and rotate in fixed arc piece below, make and scrape brush tip and the rotation of closely laminating of ARC filter screen, can brush the foreign matter that ARC filter screen surface net blockked up, avoid the net influence normal use of foreign matter jam ARC filter screen.
5. In this industrial piston positive displacement water gauge, through setting up the connecting rod, the connecting rod rotates in shield inside, drives and cleans the board and rotate, makes and cleans brush tip and the dial plate top of counter and closely laminates and rotate, can brush the dust at the dial plate top of counter, avoids the dust to corrode the dial plate, increases life.
Drawings
FIG. 1 is a schematic view of the entire structure of embodiment 1;
FIG. 2 is a partial schematic view of a water inlet pipe structure according to embodiment 1;
FIG. 3 is a schematic view of a connecting flange according to embodiment 1;
FIG. 4 is a schematic view of the structure of a sealing device according to embodiment 1;
fig. 5 is a plan view of the volumetric water meter body structure of embodiment 1;
figure 6 is a side sectional view of the volumetric water meter body structure of embodiment 1;
FIG. 7 is a shaving view of the lower case structure of example 1;
FIG. 8 is an exploded view of the mechanism of the measuring chamber in accordance with embodiment 1;
FIG. 9 is a schematic view of the structure of the measuring chamber of example 1;
FIG. 10 is an exploded view of the filter device according to example 1;
FIG. 11 is a schematic structural view of the anti-blocking device of embodiment 1;
FIG. 12 is an exploded view of the upper body structure of example 1;
fig. 13 is a schematic structural view of the dust cap of embodiment 1.
The various reference numbers in the figures mean:
100. a water inlet pipe; 110. a connecting flange; 111. a screw hole; 112. a limiting groove;
120. a sealing device; 121. a half-arc block; 1210. a rubber pad; 122. a side arc plate; 123. a limiting spring;
200. a positive displacement water meter body;
210. a lower housing; 211. a water inlet; 212. a water outlet; 213. connecting a threaded sleeve;
220. a metering chamber mechanism; 221. a metering chamber; 2211. a front bulkhead; 2212. a rear bulkhead; 222. a piston; 223. a metering cover; 224. a filtration device; 2241. fixing the arc block; 2242. an arc-shaped filter screen; 225. an anti-blocking device; 2251. a rotating rod; 2252. a motor; 2253. scraping a plate; 2254. scraping and brushing;
230. a watch body is arranged; 231. a watch case is put on; 232. a counter; 233. a dust cover; 2330. an electric motor; 2231. a connecting rod; 2332. cleaning the board; 2333. cleaning a brush;
300. and a water discharge pipe.
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.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Example 1
Referring to fig. 1 to 13, the present embodiment provides an industrial piston volumetric water meter, including a water inlet pipe 100 and a water outlet pipe 300, wherein a volumetric water meter body 200 is disposed between the water inlet pipe 100 and the water outlet pipe 300, and the volumetric water meter body 200 at least includes:
the lower shell 210 is made of gray cast iron, the lower shell 210 has high compressive strength and high strength, hardness and wear resistance, a water inlet 211 and a water outlet 212 are formed in the outer wall of the lower shell 210, the water inlet 211 and the water outlet 212 are communicated with the inside of the lower shell 210, water flow is guaranteed to enter the lower shell 210 from the water inlet 211 and then flow out from the water outlet 212 from the inside of the lower shell 210, the structural integrity is guaranteed, the water inlet 211 is communicated with the end of the water inlet pipe 100 in a sealing mode, the water outlet 212 is communicated with the end of the water outlet pipe 300 in a sealing mode, the top of the lower shell 210 is communicated with a connecting threaded sleeve 213, and the;
when the lower shell 210 of the embodiment is used specifically, water flow enters the lower shell 210 from the water inlet 211, and water is discharged from the lower shell 210 through the water outlet 212, so that the water flow can circulate, and the structure is complete;
when the metering chamber mechanism 220 of the present embodiment is used specifically, after water flows into the lower housing 210 from the water inlet 211, the water flows into the metering chamber 221 through the arched filter screen 2242 at the bottom of the metering chamber 221, the water flow drives the piston 222 to rotate in the metering chamber 221, the piston 222 performs eccentric rotation movement in the metering chamber 221, during the movement, a space with a certain volume is formed between the piston 222 and the metering chamber 221, so that the space is filled with the water flow, and along with the rotation of the piston 222, the water is sent to the water outlet 212, the number of rotation times of the piston 222 is measured, so as to realize the metering of the water, and then the water flows into the water outlet 212 from above the metering chamber 221 and is discharged;
the upper watch body 230, the upper watch body 230 includes the upper watch case 231, the upper watch case 231 is screwed on the top of the connecting screw sleeve 213, there are counters 232 in the upper watch case 231, the counter 232 is made up of basic counting unit and control gate, count the number of the pulse in the digital system, in order to realize the measurement, count and control function, and have instrument of the frequency division function concurrently, the counter 232 can measure the number of times of rotation of the piston 222, thus reveal on the dial plate of the counter 232, the dial plate top of the counter 232 is hinged and equipped with the dust cap 233, the dust cap 233 is used for preventing the dust from falling on the dial plate of the counter 232, help to protect the dial plate, can guarantee the staff can be clear to observe the number value on the dial plate too;
when the upper body 230 of this embodiment is specifically used, the number of times that the piston 222 rotates inside the metering chamber 221 is measured through the counter 232, and then the dust cap 233 is rotated to expose the dial of the counter 232, so that reading is facilitated, and when the reading is not performed, the dust cap 233 is rotated to cover the dust cap 233 on the top of the dial of the counter 232, so as to protect the dial of the counter 232.
Further, inlet tube 100 is the same with drain pipe 300 size and dimension, it is the same to ensure that inlet tube 100 is the same with drain pipe 300 flow, inlet tube 100 all is provided with flange 110 with drain pipe 300 tip, flange 110 surface is provided with a plurality of screw 111, through setting up flange 110, by flange 110 flange on the alignment water pipe, pass screw 111 through bolt screw, make things convenient for drain pipe 300 and inlet tube 100 to pass through bolt threaded connection with the water pipe, flange 110 outer wall sets up the spacing groove 112 of two symmetries.
Specifically, two symmetrical sealing devices 120 are arranged on the outer wall of the connecting flange 110, each sealing device 120 comprises a half-arc block 121, the inner wall of each half-arc block 121 is tightly attached to the connecting flange 110, a rubber pad 1210 is arranged on the inner wall of each half-arc block 121, a limiting spring 123 is arranged between the inner wall of each half-arc block 121 and the inner cavity of the limiting groove 112, each limiting spring 123 is stretched inside the corresponding limiting groove 112, the rubber pads 1210 on the inner wall of each half-arc block 121 are tightly attached to the outer wall of the connecting flange 110 under the elastic action of the restoring force of the limiting springs 123, side-arc plates 122 are arranged on the two surfaces of each half-arc block 121, the inner wall of one side-arc plate 122 is tightly attached to the outer surface of the connecting flange 110, the connecting flange 110 and the flange at the end of the water pipe are respectively placed inside the corresponding half-arc block 121, the two side-arc plates 122 are respectively tightly attached to the flange surfaces, the flange connection between the connecting flange 110 and the end of the water pipe is more sealed, and the water seepage is effectively prevented.
It should be noted that the arc filter 2242 is 400-600 mesh, which can effectively filter out the foreign matters in the water.
Further, filter equipment 224 bottom is provided with prevents stifled device 225, prevents stifled device 225 including bull stick 2251, and bull stick 2251 top is rotated and is set up in fixed arc block 2241 bottom center department, and bull stick 2251 outer wall is provided with scrapes board 2253, scrapes the board 2253 top and is provided with and scrapes brush 2254, scrapes brush 2254 and the close laminating in arced filter 2242 bottom, scrapes brush 2254 and can brush the foreign matter of arced filter 2242 face blocking.
In this embodiment prevent stifled device 225 when specifically using, rotate by bull stick 2251, drive and scrape board 2253 and rotate in fixed arc 2241 below, make and scrape brush 2254 tip and the rotation of closely laminating of ARC filter screen 2242, can brush the foreign matter that ARC filter screen 2242 surface net blockked up, avoid the mesh influence normal use that the foreign matter blockked up ARC filter screen 2242.
Specifically, the end of the rotating rod 2251 is sealed and rotates to extend out of the lower housing 210, and a motor 2252 is connected to the inside of the lower housing 210, and the motor 2252 is fixedly disposed at the bottom of the lower housing 210, so that the motor 2252 is powered on to operate, and the rotating rod 2251 is driven by the output shaft of the motor 2252 to rotate, which is convenient to operate.
Wherein, metering chamber 221 top edge is provided with preceding baffle 2211, and fixed the setting in the lower casing 210 top that is close to water inlet 211 in preceding baffle 2211 top, and inside preceding baffle 2211 can block the water that gets into from water inlet 211 and directly get into metering chamber 221, made rivers need get into metering chamber 221 inside through pot arc filter screen 2242.
In addition, the bottom of the measuring chamber 221 is provided with a rear partition 2212, the rear partition 2212 is fixedly arranged at the bottom of the lower shell 210 close to the water outlet 212, and the rear partition 2212 can block water entering from the water inlet 211 from directly flowing out of the water outlet 212, so that the water flows into the water outlet 212 from the measuring cover 223 at the top of the measuring chamber 221, and the water flow counting is more accurate.
Further, the inner cavity of the dust cover 233 is rotatably provided with a connecting rod 2231, the bottom of the connecting rod 2231 is provided with a cleaning plate 2332, the bottom of the cleaning plate 2332 is provided with a plurality of cleaning brushes 2333, the end of the cleaning brushes 2333 is tightly attached to the top of the dial plate of the counter 232, the connecting rod 2231 is rotated in the inner part of the dust cover 233 to drive the cleaning plate 2332 to rotate, so that the end of the cleaning brushes 2333 is tightly attached to the top of the dial plate of the counter 232 to rotate, the dust on the top of the dial plate of the counter 232 can be brushed off, the dial plate is prevented from being corroded by the dust, and.
Specifically, the top of the dust cover 233 is provided with a motor 2330, an output shaft of the motor 2330 extends into the dust cover 233 in a rotating manner and is connected with a connecting rod 2231, the motor 2330 is powered on to work, and the output shaft of the motor 2330 drives the connecting rod 2231 to rotate in the dust cover 233, so that the sweeping plate 2332 is driven to rotate, and the operation is convenient.
When the industrial piston displacement water meter of the embodiment is used specifically, the connecting flanges 110 at the end parts of the water inlet pipe 100 and the water outlet pipe 300 are respectively aligned with the flanges on the water pipe, the connecting flanges 110 and the flanges at the end parts of the water pipe are respectively placed inside the half-arc block 121, the screw holes 111 are penetrated through the bolt threads, so that the water outlet pipe 300, the water inlet pipe 100 and the water pipe are conveniently connected through the bolt threads, the two side arc plates 122 are respectively tightly attached to the surfaces of the connecting flanges 110 and the flanges at the end parts of the water pipe, the rubber pad 1210 on the inner wall of the half-arc block 121 is tightly attached to the outer wall of the connecting flange 110 under the elastic action of the limit spring 123, the rubber pad 1210 is hermetically positioned at the flange connecting gap between the connecting flange 110 and the end part of the water pipe;
the water flows into the water inlet 211 from the water inlet pipe 100, the water flows into the lower shell 210 from the water inlet 211, the water flows into the metering chamber 221 from the arc-shaped filter screen 2242 at the bottom of the metering chamber 221 through filtration, the arc-shaped filter screen 2242 can filter impurities in the water, the impurities in the water are prevented from entering the metering chamber 221 and being accumulated between the piston 222 and the inner wall of the metering chamber 221, the normal rotation of the piston 222 is influenced, the piston 222 is driven to rotate in the metering chamber 221 by the water flow, the piston 222 performs eccentric rotation movement in the metering chamber 221, a certain volume space is formed between the piston 222 and the metering chamber 221 in the movement process, the water flow fills the space, the water is sent to the water outlet 212 along with the rotation of the piston 222, the counter 232 measures the rotation frequency of the piston 222, the water metering is realized, and then the water flows into the water outlet;
when dust is accumulated on the dial plate of the counter 232, the dustproof cover 233 is rotated, the dustproof cover 233 covers the top of the dial plate of the counter 232 to protect the dial plate of the counter 232, the motor 2330 is powered on to work, the output shaft of the motor 2330 drives the connecting rod 2231 to rotate inside the dustproof cover 233, so that the sweeping plate 2332 is driven to rotate, the end of the sweeping brush 2333 is tightly attached to the top of the dial plate of the counter 232 to rotate, the dust on the top of the dial plate of the counter 232 can be brushed off, the dial plate is prevented from being corroded by the dust, and the service life is prolonged;
when the ARC filter 2242 blockked up, with motor 2252 switch on, make its work, drive bull stick 2251 by motor 2252 output shaft and rotate, drive and scrape movable plate 2253 and rotate in fixed arc block 2241 below, make and scrape brush 2254 tip and ARC filter 2242 and closely laminate and rotate, can brush the foreign matter that ARC filter 2242 surface net blockked up, avoid the mesh that foreign matter blockked up ARC filter 2242 to influence normal use.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. An industrial piston positive displacement water meter comprising a water inlet pipe (100) and a water outlet pipe (300), characterized in that: inlet tube (100) with be provided with volumetric water meter body (200) between drain pipe (300), volumetric water meter body (200) includes at least:
the water inlet pipe structure comprises a lower shell (210), wherein a water inlet (211) and a water outlet (212) are formed in the outer wall of the lower shell (210), the water inlet (211) and the water outlet (212) are communicated with the inside of the lower shell (210), the water inlet (211) is communicated with the end part of the water inlet pipe (100) in a sealing mode, the water outlet (212) is communicated with the end part of the water outlet pipe (300) in a sealing mode, the top of the lower shell (210) is communicated with a connecting threaded sleeve (213), and the connecting threaded sleeve (213) and the lower shell (210) are of an integrally formed structure;
metering chamber mechanism (220), metering chamber mechanism (220) includes metering chamber (221), metering chamber (221) is fixed to be set up inside lower casing (210), metering chamber (221) inside intercommunication water inlet (211) and outlet (212), metering chamber (221) inside rotates and is provided with piston (222), metering chamber (221) top is provided with measurement lid (223), metering chamber (221) bottom is inlayed and is equipped with filter equipment (224), filter equipment (224) include fixed arc piece (2241), arc filter screen (2242) is inlayed on fixed arc piece (2241) surface, arc filter screen (2242) is close to water inlet (211);
the watch comprises a watch body (230), the watch body (230) comprises a watch case (231), the watch case (231) is in threaded connection with the top of the connecting screw sleeve (213), a counter (232) is arranged inside the watch case (231), and a dustproof cover (233) is hinged to the top of a dial plate of the counter (232).
2. An industrial piston positive displacement water meter as set forth in claim 1, wherein: the water inlet pipe (100) and the drain pipe (300) are the same in size, the water inlet pipe (100) and the end of the drain pipe (300) are provided with a connecting flange (110), the surface of the connecting flange (110) is provided with a plurality of screw holes (111), and the outer wall of the connecting flange (110) is provided with two symmetrical limiting grooves (112).
3. An industrial piston positive displacement water meter as set forth in claim 2, wherein: flange (110) outer wall is provided with sealing device (120) of two symmetries, sealing device (120) are including half arc piece (121), half arc piece (121) inner wall with flange (110) closely laminates, half arc piece (121) inner wall is provided with rubber pad (1210), half arc piece (121) inner wall with be provided with spacing spring (123) between spacing groove (112) inner chamber, spacing spring (123) are stretched inside spacing groove (112), half arc piece (121) both surfaces all are provided with side arc board (122), one of them side arc board (122) inner wall with flange (110) surface closely laminates.
4. An industrial piston positive displacement water meter as set forth in claim 1, wherein: the arc-shaped filter screen (2242) is 400-600 meshes.
5. An industrial piston positive displacement water meter as set forth in claim 1, wherein: the utility model discloses a filter equipment, including filter equipment (224), anti-blocking device (225) include bull stick (2251), bull stick (2251) top is rotated and is set up fixed arc piece (2241) bottom center department, bull stick (2251) outer wall is provided with scrapes board (2253), it scrapes brush (2254) to scrape board (2253) top, scrape brush (2254) with arced filter net (2242) bottom is closely laminated.
6. An industrial piston positive displacement water meter as set forth in claim 5, wherein: the end part of the rotating rod (2251) hermetically rotates and extends out of the lower shell (210) and is connected with an output shaft of a motor (2252), and the motor (2252) is fixedly arranged at the bottom of the lower shell (210).
7. An industrial piston positive displacement water meter as set forth in claim 1, wherein: the edge of the top of the metering chamber (221) is provided with a front partition plate (2211), and the top of the front partition plate (2211) is fixedly arranged at the top of the lower shell (210) close to the water inlet (211).
8. An industrial piston positive displacement water meter as set forth in claim 1, wherein: the bottom of the metering chamber (221) is provided with a rear partition plate (2212), and the rear partition plate (2212) is fixedly arranged at the bottom of the lower shell (210) close to the water outlet (212).
9. An industrial piston positive displacement water meter as set forth in claim 1, wherein: the inner cavity of the dustproof cover (233) is rotatably provided with a connecting rod (2231), the bottom of the connecting rod (2231) is provided with a cleaning plate (2332), the bottom of the cleaning plate (2332) is provided with a plurality of cleaning brushes (2333), and the end parts of the cleaning brushes (2333) are tightly attached to the top of the dial plate of the counter (232).
10. An industrial piston positive displacement water meter as set forth in claim 9, wherein: an electric motor (2330) is arranged at the top of the dustproof cover (233), and an output shaft of the electric motor (2330) rotatably extends into the dustproof cover (233) and is connected with a connecting rod (2231).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011037869.5A CN112179434A (en) | 2020-09-28 | 2020-09-28 | Industrial piston positive displacement water meter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011037869.5A CN112179434A (en) | 2020-09-28 | 2020-09-28 | Industrial piston positive displacement water meter |
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| CN112179434A true CN112179434A (en) | 2021-01-05 |
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| CN202011037869.5A Pending CN112179434A (en) | 2020-09-28 | 2020-09-28 | Industrial piston positive displacement water meter |
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| CN112877867A (en) * | 2021-01-12 | 2021-06-01 | 义乌市金明针织有限公司 | Environment-friendly ribbon loom |
| CN116576934A (en) * | 2023-07-14 | 2023-08-11 | 山东亿特电子科技有限公司 | High-sensitivity metering-grade water meter |
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