CN116576934B - High-sensitivity metering-grade water meter - Google Patents
High-sensitivity metering-grade water meter Download PDFInfo
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- CN116576934B CN116576934B CN202310863344.4A CN202310863344A CN116576934B CN 116576934 B CN116576934 B CN 116576934B CN 202310863344 A CN202310863344 A CN 202310863344A CN 116576934 B CN116576934 B CN 116576934B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 179
- 238000001914 filtration Methods 0.000 claims abstract description 58
- 238000004140 cleaning Methods 0.000 claims abstract description 45
- 239000010865 sewage Substances 0.000 claims abstract description 26
- 230000035945 sensitivity Effects 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims description 12
- 230000003313 weakening effect Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 7
- 239000002699 waste material Substances 0.000 abstract description 7
- 238000005299 abrasion Methods 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 abstract description 4
- 230000007774 longterm Effects 0.000 abstract description 4
- 238000011010 flushing procedure Methods 0.000 abstract 1
- 238000005406 washing Methods 0.000 description 9
- 238000009434 installation Methods 0.000 description 7
- 230000002441 reversible effect Effects 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
-
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The application provides a high-sensitivity metering grade water meter, belonging to the technical field of flow measuring instruments; the sewage treatment device comprises a watchcase and a water filtering net arranged in the watchcase, wherein a sewage pipe communicated with the watchcase is arranged at the bottom of the watchcase, a plugging part used for plugging an inlet of the sewage pipe is arranged in the sewage pipe, and a cleaning part used for cleaning the inner wall and the outer wall of the water filtering net is arranged on the plugging part. The application can realize the cleaning of the water filter net without dismantling the top cover and the metering component on the watchcase by arranging the blocking component and the cleaning component, and simultaneously, the direct contact of the bristles with the inner surface and the outer surface of the water filter net and the flushing of a small amount of clear water can effectively ensure the cleaning effect of the water filter net, the water consumption is small, the waste of water resources is reduced, the probability that dirt is flushed into the impeller box by water flow in the normal use process of the water meter is reduced by cleaning the inner wall and the outer wall of the water filter net, the abrasion of the impeller is reduced, and the high sensitivity of the metering component of the water meter in long-term operation is ensured.
Description
Technical Field
The application relates to the technical field of flow measuring instruments, in particular to a high-sensitivity metering-grade water meter.
Background
The water meter is generally divided into a speed type water meter and a volume type water meter according to a measurement principle, wherein the speed type water meter is more common, the speed type water meter executes A, B, C three measurement precision grades, the rotary wing type water meter is used as one of the speed type water meters, the sensitivity is high, the rotary wing type water meter is suitable for measuring the total amount of unidirectional water flow of a small-caliber pipeline, and the water meter mainly comprises a shell, an impeller measurement mechanism, a speed reducing mechanism and an indicator, and has the characteristic of simple structure.
The working principle of the rotary wing type water meter is as follows: water enters the meter shell from the water inlet of the water meter, enters the impeller box from the water inlet of the impeller box through the water filtering net, impacts the impeller, starts to rotate, flows into the pipeline from the water outlet at the upper part of the impeller box through the water outlet of the meter shell, is supported by the thimble at the lower part of the impeller, rotates through the central shaft of the impeller after the impeller rotates, drives the transmission gear in the impeller box to rotate according to the regulation of the rotation speed ratio, drives the pointer on the dial, and drives other gears and the pointer at the upper part in a decimal transmission mode after the pointer starts to rotate, and starts to rotate clockwise from 0 according to the indexing value on the dial to start metering.
Along with the increase of the service time of the rotary wing type water meter, dirt brought into the meter case by water flow is gradually accumulated on the water filter net, if the dirt is not cleaned for a long time, the dirt can block the water filter hole of the water filter net, and even can be flushed into the impeller box by the water flow when serious, the abrasion of the impeller is aggravated, and the metering sensitivity of the water meter is affected. The switch device comprises a check valve rod and a valve rod seat which is arranged in the inner cavity and is horizontally opened towards the sewage draining hole, the rear part of the check valve rod is axially limited in the valve rod seat, the front part of the check valve rod penetrates out of the valve rod seat to open and close the sewage draining hole, and the rear end of the check valve rod and the inner bottom wall of the valve rod seat are supported with springs. When in sewage disposal, the sewage disposal hole is opened by external force, and the impurities accumulated on the lower part in the watch case and the filter screen of the metering device are taken away by the impact force caused by the fluidity of water flow, so that the sewage disposal purpose can be achieved.
Although the device takes away impurities accumulated in the water meter by utilizing impact force caused by the fluidity of water flow, the pressure in the common water meter is limited, and the water flow is easy to be blocked by the water filtering net, so that the mode is used for only discharging dirt on the surface layer of the outer surface of the water filtering net, the effect on the inner wall of the water filtering net and the dirt adhered to the outer surface of the water filtering net is very small, the water consumption is large, and the waste of water resources is easy to be caused.
Disclosure of Invention
The application aims to solve the technical problems that the high-sensitivity metering-grade water meter is provided to solve the problems that when the conventional method for taking away impurities accumulated in the water meter by utilizing impact force caused by the fluidity of water flow is used for a common water meter, the pressure in the common water meter is limited, the water flow is easy to be blocked by a water filtering net, the effect of the method on the inner wall of the water filtering net and dirt stuck on the outer surface of the water filtering net is very small, the water consumption is large, and water resources are easy to waste.
In order to solve the technical problems, the application provides the following technical scheme:
the utility model provides a high sensitivity measurement grade water gauge, includes the watchcase and installs the drainage net in the watchcase, the bottom of watchcase be provided with the blow off pipe that communicates in the watchcase, install the shutoff part that is used for blockking up the blow off pipe entry in the blow off pipe, install the cleaning element that is used for cleaning the drainage net inner and outer wall on the shutoff part; the bottom of the water filtering net is provided with a first through hole, a first round corner is arranged at the transition position of the bottom and the side wall of the water filtering net, the sewage draining pipe, the water filtering net and the first through hole are concentric, and the plugging part is also used for plugging the first through hole; the cleaning component comprises a piston which is sleeved in the drain pipe in a sliding manner and is matched with the drain pipe, one side, close to the inlet of the drain pipe, of the piston is fixedly connected with one or more first brush rods, one side, close to the inlet of the drain pipe, of the piston is fixedly connected with two second brush rods, bristles are uniformly distributed on the first brush rods and the second brush rods, two second brush rods are fixedly connected with the same limiting rope, two end parts of the limiting rope are closed together, the first brush rods are bent in multiple sections on the second brush rods, the first brush rods are matched with the inner surface of the water filtering net under the interference of the inner wall of the water filtering net and the outer wall of the impeller box of the water meter, the second brush rods are matched with the outer surface of the water filtering net under the limit of the inner wall of the impeller box of the water meter, and one side, far away from the first brush rods, of the piston is fixedly connected with a plurality of second connecting rods which penetrate through and extend to the outer surface of the drain pipe.
Preferably, an internal thread is arranged at the inlet of the blow-down pipe; the plugging component comprises a plug which is in threaded connection with the inlet of the drain pipe, a sliding rod is sleeved on the plug in a sliding manner, a plugging disc is fixedly connected with one end of the sliding rod, which is far away from the plug, the plug can pass through the first through hole, the plugging disc is positioned in the drainage net and cannot pass through the first through hole, one end of the plug, which is far away from the sliding rod, is fixedly connected with a first connecting rod, a sliding hole penetrating through the piston is formed in the piston, the first connecting rod is sleeved with the sliding hole in a sliding manner, the sliding hole can limit the first connecting rod and the piston to deflect relatively through a hole shape, and the first connecting rod penetrates through the piston.
Preferably, the plugging member is provided with a guiding mechanism, the guiding mechanism comprises a guiding surface arranged at one end of the plug close to the first connecting rod, two guiding protrusions corresponding to the second brush rod are fixedly connected to the first connecting rod, when the piston moves along the first connecting rod towards the position close to the inlet of the sewage draining pipe, the guiding surface and the first fillet guide the first brush rod to bend twice through abutting, the bent first brush rod is matched with the inner wall of the water filtering net under the abutting limit of the inner wall of the water filtering net and the guiding surface, and the guiding protrusions guide the second brush rod to bend twice through abutting and guide the inner wall of the watchcase, and are matched with the outer wall of the water filtering net under the limit of the outer wall of the water filtering net and the limit rope.
Preferably, the first brush rod is far away from the first guide head of one end fixedly connected with of piston, the second brush rod is far away from the one end fixedly connected with second guide head of piston, first guide head with the second guide head all sets up to spherical or approximately spherical structure, first guide head with fixedly connected with brush hair on the second guide head.
Preferably, a weakening hole penetrating through the first brush rod is formed in a bending section, close to the first guide head, of the first brush rod in the vertical direction.
Preferably, the first guide head may pass through the first through hole.
Preferably, the tops of the first guide head and the second guide head are flush with the top of the water filter screen.
Preferably, one end of the second connecting rod, which is far away from the piston, is fixedly connected with a rotating handle.
Preferably, the bottom of the first connecting rod is provided with a marking groove corresponding to the position of the guide protrusion, and the rotating handle is fixedly connected with a marking block corresponding to the position of the second brush rod.
Preferably, when the plug, the plug disc and the water filtering net are mutually abutted, one end of the first connecting rod, which is far away from the plug, is positioned outside the drain pipe.
Compared with the prior art, the application has at least the following beneficial effects:
in the scheme, through setting up shutoff part and clean part, can realize realizing the washing of drainage network under the circumstances of not demolishing watchcase upper top cap and metering component, simultaneously, the brush hair can effectively ensure the clean effect of drainage network with the direct contact of drainage network internal and external surface and the washing of a small amount of clear water, the water consumption is little, the waste of water resource has been reduced, through the washing to the drainage network internal and external wall, reduce the water gauge normal use in-process filth by rivers rushing into the probability in the impeller box, the wearing and tearing of impeller have been reduced, the high sensitivity when having ensured the water gauge metering component long-term operation.
Through setting up clean part, after accomplishing the washing of drainage net, close the valve of opening, at this moment, the end cap descends under the action of gravity, reverse second connecting rod, the second connecting rod passes through the piston, the head rod drives the end cap reverse rotation, the end cap of reverse passes through the internal thread realization and the fixed connection of blow off pipe, and carry out the shutoff to the blow off pipe, the second connecting rod of drop-down later, take out piston and head rod, the benefit of setting like this is, accomplish the washing after, can resume the sealing of watchcase, realized clean part's quick dismantlement simultaneously, be convenient for clean reuse clean part, the economic practicality of clean part has been improved.
The first brush rod and the second brush rod are guided by the guide mechanism, so that the cleaning component is convenient to install, the cleaning component is convenient and labor-saving to use, meanwhile, water in the watchcase can be effectively prevented from flowing out in the process of installing the cleaning component, and the waste of water resources is avoided.
Through setting up second brush-holder stud and second and leading the first brush-holder stud and the smoothness that the second brush-holder stud was led, avoid first brush-holder stud and second brush-holder stud to be blocked at the guide in-process, first guide head can set up to oval simultaneously, increased the contact effect of first guide head and filter screen inner wall through oval structural design, effectively avoided first brush-holder stud produce with the ascending deflection of filter screen axis incline in guide or rotation in-process, lead to first guide head can not clean the position department to filter screen top impeller box, further ensured the cleaning performance of this device.
By setting the deformation capability of weakening Kong Digao the first brush rod near one end of the first guide head, the force application size and difficulty of the cleaning part installation operation are reduced, and the installation convenience of the cleaning part is improved.
When being convenient for piston and head rod grafting through setting up sign groove and sign piece, it is corresponding with the sign groove with the sign piece, the second brush-holder stud after the installation of being convenient for corresponds with the bellied position of guide, be convenient for later stage through the sign piece real-time position of prejudgement second brush-holder stud, because of the approximate bucket form in both ends of watchcase, through observing the sign piece and turning the handle of turning can be adjusted the second brush-holder stud to the correct position, make the second brush-holder stud be located one side that the watchcase is equipped with regular cylindrical surface, avoid the second brush-holder stud after the bellied guide of guide, can't be through continuing the motion with the watchcase inner wall effective contact, and then lead to the second brush-holder stud can not with the adaptation of drainage network outer wall, ensure the stability in use of second brush-holder stud.
Drawings
FIG. 1 is a schematic diagram of a high sensitivity metering level water meter in a three-dimensional configuration;
FIG. 2 is a schematic view of a high sensitivity metering level water meter in a partially cut-away perspective view;
FIG. 3 is a partially cut-away perspective enlarged schematic perspective view of the watchcase and water filter screen after assembly;
FIG. 4 is a schematic view of a partially cut-away enlarged perspective structure of the drainage screen, plugging member and cleaning member after assembly;
FIG. 5 is a schematic view of a three-dimensional enlarged structure of a plugging member;
fig. 6 is a schematic view of a three-dimensional enlarged structure in a cleaning state of the cleaning member.
Reference numerals
1. A watch case; 2. a blow-down pipe; 3. a water filter screen; 4. a blocking member; 5. a cleaning member; 6. a guide mechanism; 7. a first through hole; 8. a plug; 9. a slide bar; 10. a blocking disc; 11. a guide surface; 12. a first connecting rod; 13. a guide protrusion; 14. a marking groove; 15. a piston; 16. a slide hole; 17. a first brush bar; 18. a first guide head; 19. weakening the hole; 20. a second brush bar; 21. a second guide head; 22. a limit rope; 23. a second connecting rod; 24. a rotating handle; 25. the block is identified.
While particular structures and devices are shown in the drawings to enable a clear implementation of embodiments of the application, this is for illustrative purposes only and is not intended to limit the application to the particular structures, devices and environments, which may be modified or adapted by those of ordinary skill in the art, as desired, and which remain within the scope of the appended claims.
Detailed Description
The present application provides a high sensitivity metering level water meter which is described in detail below with reference to the accompanying drawings and specific examples. While the application has been described herein in terms of the preferred and preferred embodiments, the following embodiments are intended to be more illustrative, and may be implemented in many alternative ways as will occur to those of skill in the art; and the accompanying drawings are only for the purpose of describing the embodiments more specifically and are not intended to limit the application specifically.
As shown in fig. 1 to 6, the embodiment of the application provides a high-sensitivity metering water meter, which comprises a meter case 1 and a water filtering net 3 arranged in the meter case 1, wherein a drain pipe 2 communicated with the inside of the meter case 1 is arranged at the bottom of the meter case 1, a plugging part 4 for plugging the inlet of the drain pipe 2 is arranged in the drain pipe 2, and a cleaning part 5 for cleaning the inner wall and the outer wall of the water filtering net 3 is arranged on the plugging part 4; the bottom of the water filtering net 3 is provided with a first through hole 7, a first round corner is arranged at the transition position of the bottom and the side wall of the water filtering net 3, the sewage drain pipe 2, the water filtering net 3 and the first through hole 7 are concentric, and the plugging part 4 is also used for plugging the first through hole 7; the cleaning component 5 comprises a piston 15 which is sleeved in the drain pipe 2 in a sliding manner and is matched with the drain pipe 2, one side of the piston 15, which is close to the inlet of the drain pipe 2, is fixedly connected with one or more first brush rods 17, one side of the piston 15, which is close to the inlet of the drain pipe 2, is fixedly connected with two second brush rods 20, bristles (not shown in the figure) are uniformly distributed on the first brush rods 17 and the second brush rods 20, the two second brush rods 20 are fixedly connected with the same limiting rope 22, two end parts of the limiting rope 22 are closed together, the first brush rods 17 and the second brush rods 20 are in multi-section bending, the first brush rods 17 are matched with the inner surface of the water filtering net 3 under the interference of the inner wall of the water filtering net 3 and the outer wall of the water meter impeller box, the inner wall of the water meter shell 1 and the limiting rope 22 are matched with the outer surface of the water filtering net 3, one side of the piston 15, which is far away from the first brush rods 17, is fixedly connected with a plurality of second connecting rods 23 which penetrate and extend to the outside the drain pipe 2, and the inlet of the drain pipe 2 is provided with internal threads; the plugging component 4 comprises a plug 8 in threaded connection with the inlet of the drain pipe 2, a sliding rod 9 is sleeved on the plug 8 in a sliding manner, one end, away from the plug 8, of the sliding rod 9 is fixedly connected with a plugging disc 10, the plug 8 can penetrate through the first through hole 7, the plugging disc 10 is located in the drain screen 3 and cannot penetrate through the first through hole 7, one end, away from the sliding rod 9, of the plug 8 is fixedly connected with a first connecting rod 12, a piston 15 is provided with a sliding hole 16 penetrating through the piston 15, the first connecting rod 12 is sleeved with the sliding hole 16 in a sliding manner, the sliding hole 16 can limit the first connecting rod 12 and the piston 15 to deflect relatively through a hole shape, namely, the hole shape of the sliding hole 16 can be triangular, square, elliptic and the like, and the first connecting rod 12 penetrates through the piston 15.
By arranging the blocking part 4 and the cleaning part 5, when the water filtering box needs to be cleaned, the valves at the two ends of the watch case 1 are closed, the second connecting rod 23 is rotated along any direction, the second connecting rod 23 drives the first brush rod 17 and the second brush rod 20 to rotate through the piston 15, the rotating first brush rod 17 and the second brush rod 20 clean the inner wall and the outer wall of the water filtering net 3 through bristles, the operation is simple and convenient, water in the watch case 1 is blocked by the piston 15 in the sewage draining pipe 2, after the cleaning is finished, the bottom of the first connecting rod 12 can be propped up, the second connecting rod 23 is pulled down, the second connecting rod 23 drives the first brush rod 17 and the second brush rod 20 to be folded through the piston 15, the second connecting rod 23 is pulled down to the outside the sewage draining pipe 2 continuously, the piston 15 is sleeved with the first connecting rod 12 at the moment, the sewage generated by cleaning in the watch case 1 can be discharged through the sewage discharge pipe 2, meanwhile, the valve at any end of the watch case 1 can be opened to enable the watch case 1 to enter clean water, a small amount of clean water can be contacted with the water filtering net 3 to wash the water filtering net 3, the cleaning effect of the water filtering net 3 is further improved, the cleaning of the water filtering net 3 can be realized under the condition that the top cover and the metering component on the watch case 1 are not removed, the workload of a maintainer is reduced, meanwhile, the direct contact of bristles and the inner and outer surfaces of the water filtering net 3 and the washing of a small amount of clean water can effectively ensure the cleaning effect of the water filtering net 3, the water consumption is small, the waste of water resources is reduced, the probability that the sewage is flushed into the impeller box by water flow in the normal use process of the water meter is reduced through the cleaning of the inner and outer walls of the water filtering net 3, the abrasion of the impeller is reduced, the high sensitivity of the water meter measuring component in long-term operation is ensured.
Through setting up clean part 5, after accomplishing the washing of drainage net 3, close the valve of opening, at this moment, end cap 8 descends under the action of gravity, reverse second connecting rod 23, second connecting rod 23 passes through piston 15, head rod 12 drives end cap 8 reversal, the fixed connection with blow off pipe 2 is realized through the internal thread of blow off pipe 2 to the end cap 8 of reversal, and carry out the shutoff to blow off pipe 2, pull down second connecting rod 23 afterwards, take out piston 15 and head rod 12, the benefit of setting like this is, after accomplishing wasing, can resume the sealing of watchcase 1, realized clean part 5's quick dismantlement simultaneously, be convenient for clean reuse to clean part 5, the economic practicality of clean part 5 has been improved.
As shown in fig. 4 and 5, in this embodiment, the plugging member 4 is provided with a guiding mechanism 6, the guiding mechanism 6 includes a guiding surface 11 formed at one end of the plug 8 near the first connecting rod 12, two guiding protrusions 13 corresponding to the positions of the second brush rod 20 are fixedly connected to the first connecting rod 12, when the piston 15 moves along the first connecting rod 12 toward the inlet near the drain pipe 2, the guiding surface 11 and the first rounded corner guide the first brush rod 17 to bend twice through abutting, the bent first brush rod 17 is adapted to the inner wall of the water filter net 3 under the abutting limit of the inner wall of the water filter net 3 and the guiding surface 11, and the guiding protrusions 13 and the inner wall of the watchcase 1 guide the second brush rod 20 to bend twice through abutting and are adapted to the outer wall of the water filter net 3 under the limit of the outer wall of the water filter net 3 and the limit rope 22.
Through setting up guiding mechanism 6, when needs clean drainage net 3 once more after a period, close the valve at watchcase 1 both ends, insert piston 15 from the one end that plug 8 was kept away from to head 12, and push up second connecting rod 23 makes piston 15 slide into blow off pipe 2 in, to blow off pipe 2 shutoff, afterwards rotate second connecting rod 23, second connecting rod 23 passes through piston 15, head 8 is driven to rotate to head 12, make plug 8 break away from with blow off pipe 2 through rotating, push up first connecting rod 12 until plug 8 later, the mutual conflict of blanking disc 10 and drainage net 3, continue to push up second connecting rod 23 this moment, under the guide of guide face 11, the one end that piston 15 was kept away from to first brush rod 17 is deflected once more under the conflict of first fillet, simultaneously, the one end that piston 15 was kept away from to second brush rod 20 is deflected under the guide of guide boss 13, and under the spacing of spacing rope 22, through the first brush rod 17 after the two times deflection and second brush rod 20 and drainage net 3 looks adaptation, and water meter housing 1's water gauge device is also used to the water gauge device is realized in the water gauge device through first brush rod 17, and water gauge device is avoided to the water gauge device is convenient and easy to detach in the water gauge, and the water gauge device is used to clean the water gauge device is easy to use.
As shown in fig. 6, in this embodiment, the end of the first brush rod 17 away from the piston 15 is fixedly connected with the first guide head 18, the first guide head 18 may pass through the first through hole 7, the end of the second brush rod 20 away from the piston 15 is fixedly connected with the second guide head 21, the tops of the first guide head 18 and the second guide head 21 are all flush with the top of the water filtering net 3, the first guide head 18 and the second guide head 21 are both provided with spherical or approximately spherical structures, bristles (not shown in the figure) are fixedly connected with the first guide head 18 and the second guide head 21, the smoothness of the first brush rod 17 and the second brush rod 20 being guided is improved by the arrangement of the second brush rod 20, the first brush rod 17 and the second brush rod 20 are prevented from being clamped in the guiding process, meanwhile, the first guide head 18 may be provided with an elliptical structure, the contact effect between the first guide head 18 and the inner wall of the water filtering net 3 is increased by the structural design, the first guide head 18 and the second guide head 21 are effectively prevented from inclining or inclining the first guide rod 17 to the water filtering net 3, and the cleaning box can be prevented from further inclining to the top of the water filtering net 3.
As shown in fig. 6, in this embodiment, the bending section of the first brush rod 17 near the first guide head 18 along the vertical direction is provided with a weakening hole 19 penetrating the first brush rod 17, and by providing the weakening hole 19, the deformability of the end of the first brush rod 17 near the first guide head 18 is improved, the force application and difficulty of the installation operation of the cleaning component 5 are reduced, and the installation convenience of the cleaning component 5 is improved.
As shown in fig. 6, in this embodiment, a rotating handle 24 is fixedly connected to one end of the second connecting rod 23 far away from the piston 15, the convenience of operation of the second connecting rod 23 is improved by the rotating handle 24, a marking slot 14 corresponding to the position of the second brush rod 20 is provided at the bottom of the first connecting rod 12, a marking block 25 corresponding to the position of the second brush rod 20 is fixedly connected to the rotating handle 24, the marking slot 14 and the marking block 25 are provided to facilitate the piston 15 to be inserted into the first connecting rod 12, the marking block 25 corresponds to the marking slot 14, the second brush rod 20 corresponds to the position of the guiding protrusion 13 after being installed, the position of the second brush rod 20 is pre-determined in real time by the marking block 25 in the later stage, and the second brush rod 20 can be adjusted to the correct position by observing the marking block 25 and rotating the rotating handle 24, so that the second brush rod 20 is located on the side of the watchcase 1 with a regular cylindrical surface, the second brush rod 20 cannot be in continuous movement to be in contact with the inner wall of the case 1 after being guided by the guiding protrusion 13, the second brush rod 20 cannot be in contact with the inner wall of the watchcase 1, the second brush rod 20 cannot be matched with the outer wall of the filter screen 3, and stability of the second brush rod can not be guaranteed.
As shown in fig. 1, 2 and 5, in this embodiment, when the plug 8, the plug disc 10 and the water filtering net 3 are mutually abutted, the end of the first connecting rod 12, which is far away from the plug 8, is located outside the drain pipe 2, and this arrangement has the advantage of facilitating the operation of upwards abutting the end of the first connecting rod 12, which is located outside the drain pipe 2, and improving the operation convenience of the first connecting rod 12.
According to the technical scheme provided by the application, through arranging the plugging part 4 and the cleaning part 5, when the water filtering box needs to be cleaned, the valves at two ends of the watchcase 1 are closed, the second connecting rod 23 rotates in any direction, the second connecting rod 23 drives the first brush rod 17 and the second brush rod 20 to rotate through the piston 15, the rotating first brush rod 17 and the second brush rod 20 clean the inner and outer walls of the water filtering net 3 through bristles, the operation is simple and convenient, water in the watchcase 1 is plugged by the piston 15 in the drain pipe 2 in the process, after cleaning is completed, the bottom of the first connecting rod 12 can be propped upwards, then the second connecting rod 23 is pulled down, the second connecting rod 23 drives the first brush rod 17 and the second brush rod 20 to be folded through the piston 15, the second connecting rod 23 is pulled down to the outside of the drain pipe 2 continuously, at the moment, the piston 15 is still sleeved with the first connecting rod 12, the sewage generated by cleaning in the watch case 1 can be discharged through the sewage discharge pipe 2, meanwhile, the valve at any end of the watch case 1 can be opened to enable the watch case 1 to enter clean water, a small amount of clean water can be contacted with the water filtering net 3 to wash the water filtering net 3, the cleaning effect of the water filtering net 3 is further improved, the cleaning of the water filtering net 3 can be realized under the condition that the top cover and the metering component on the watch case 1 are not removed, the workload of a maintainer is reduced, meanwhile, the direct contact of bristles and the inner and outer surfaces of the water filtering net 3 and the washing of a small amount of clean water can effectively ensure the cleaning effect of the water filtering net 3, the water consumption is small, the waste of water resources is reduced, the probability that the sewage is flushed into the impeller box by water flow in the normal use process of the water meter is reduced through the cleaning of the inner and outer walls of the water filtering net 3, the abrasion of the impeller is reduced, the high sensitivity of the water meter measuring component in long-term operation is ensured.
Through setting up clean part 5, after accomplishing the washing of drainage net 3, close the valve of opening, at this moment, end cap 8 descends under the action of gravity, reverse second connecting rod 23, second connecting rod 23 passes through piston 15, head rod 12 drives end cap 8 reversal, the fixed connection with blow off pipe 2 is realized through the internal thread of blow off pipe 2 to the end cap 8 of reversal, and carry out the shutoff to blow off pipe 2, pull down second connecting rod 23 afterwards, take out piston 15 and head rod 12, the benefit of setting like this is, after accomplishing wasing, can resume the sealing of watchcase 1, realized clean part 5's quick dismantlement simultaneously, be convenient for clean reuse to clean part 5, the economic practicality of clean part 5 has been improved.
Through setting up guiding mechanism 6, when needs clean drainage net 3 once more after a period, close the valve at watchcase 1 both ends, insert piston 15 from the one end that plug 8 was kept away from to head 12, and push up second connecting rod 23 makes piston 15 slide into blow off pipe 2 in, to blow off pipe 2 shutoff, afterwards rotate second connecting rod 23, second connecting rod 23 passes through piston 15, head 8 is driven to rotate to head 12, make plug 8 break away from with blow off pipe 2 through rotating, push up first connecting rod 12 until plug 8 later, the mutual conflict of blanking disc 10 and drainage net 3, continue to push up second connecting rod 23 this moment, under the guide of guide face 11, the one end that piston 15 was kept away from to first brush rod 17 is deflected once more under the conflict of first fillet, simultaneously, the one end that piston 15 was kept away from to second brush rod 20 is deflected under the guide of guide boss 13, and under the spacing of spacing rope 22, through the first brush rod 17 after the two times deflection and second brush rod 20 and drainage net 3 looks adaptation, and water meter housing 1's water gauge device is also used to the water gauge device is realized in the water gauge device through first brush rod 17, and water gauge device is avoided to the water gauge device is convenient and easy to detach in the water gauge, and the water gauge device is used to clean the water gauge device is easy to use.
Through setting up second brush-holder stud 20 and second guide head 21 improved the smoothness that first brush-holder stud 17 and second brush-holder stud 20 were guided, avoid first brush-holder stud 17 and second brush-holder stud 20 to be blocked in the guide process, first guide head 18 can set up to oval simultaneously, the contact effect of first guide head 18 and filter screen 3 inner wall has been increased through oval structural design, the first brush-holder stud 17 has effectively been avoided producing in the guide or rotation in-process with the ascending deflection of filter screen 3 axis incline, lead to first guide head 18 can not clean the position department of filter screen 3 top impeller box, further ensured the cleaning performance of this device.
The weakening holes 19 are formed, so that the deformability of one end of the first brush rod 17 close to the first guide head 18 is improved, the force application size and difficulty of the installation operation of the cleaning part 5 are reduced, and the installation convenience of the cleaning part 5 is improved.
When the piston 15 is convenient to plug in with the first connecting rod 12 by arranging the marking groove 14 and the marking block 25, the marking block 25 corresponds to the marking groove 14, the second brush rod 20 is convenient to install and corresponds to the position of the guide protrusion 13, the position of the second brush rod 20 is convenient to prejudge in real time through the marking block 25 in the later stage, the second brush rod 20 can be adjusted to the correct position by observing the two ends of the watch case 1 and rotating the rotating handle 24 through observing the marking block 25, the second brush rod 20 is positioned on one side of the watch case 1 with a regular cylindrical surface, the second brush rod 20 is prevented from being guided by the guide protrusion 13, the second brush rod 20 cannot be effectively contacted with the inner wall of the watch case 1 through continuous movement, and then the second brush rod 20 cannot be matched with the outer wall of the water filtering net 3, and the use stability of the second brush rod 20 is guaranteed.
The foregoing is merely a preferred embodiment of the present application and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present application, which are intended to be comprehended within the scope of the present application.
Claims (4)
1. A high sensitivity metering grade water meter, comprising: the sewage treatment device comprises a watchcase and a water filtering net arranged in the watchcase, wherein a sewage pipe communicated with the watchcase is arranged at the bottom of the watchcase, a plugging part for plugging an inlet of the sewage pipe is arranged in the sewage pipe, and a cleaning part for cleaning the inner wall and the outer wall of the water filtering net is arranged on the plugging part;
the bottom of the water filtering net is provided with a first through hole, a first round corner is arranged at the transition position of the bottom and the side wall of the water filtering net, the sewage draining pipe, the water filtering net and the first through hole are concentric, and the plugging part is also used for plugging the first through hole;
the cleaning component comprises a piston which is sleeved in the drain pipe in a sliding manner and is matched with the drain pipe, one side, close to the inlet of the drain pipe, of the piston is fixedly connected with one or more first brush rods, one side, close to the inlet of the drain pipe, of the piston is fixedly connected with two second brush rods, bristles are uniformly distributed on the first brush rods and the second brush rods, two second brush rods are fixedly connected with the same limiting rope, two end parts of the limiting rope are closed together, the first brush rods and the second brush rods are bent in a multi-section manner, the first brush rods are matched with the inner surface of the drain pipe under the interference of the inner wall of the drain pipe and the outer wall of the impeller box of the water meter, the second brush rods are matched with the outer surface of the drain pipe under the limit of the impeller box of the water meter, and one side, far away from the first brush rods, of the piston is fixedly connected with a plurality of second connecting rods which penetrate through and extend to the outer surface of the drain pipe;
an internal thread is arranged at the inlet of the blow-down pipe;
the plugging part comprises a plug which is in threaded connection with the inlet of the drain pipe, a sliding rod is sleeved on the plug in a sliding manner, a plugging disc is fixedly connected to one end of the sliding rod, which is far away from the plug, the plug can pass through the first through hole, the plugging disc is positioned in the drainage net and cannot pass through the first through hole, one end of the plug, which is far away from the sliding rod, is fixedly connected with a first connecting rod, a sliding hole penetrating through the piston is formed in the piston, the first connecting rod is sleeved with the sliding hole in a sliding manner, the sliding hole can limit the first connecting rod and the piston to deflect relatively through a hole shape, and the first connecting rod penetrates through the piston;
the plugging part is provided with a guiding mechanism, the guiding mechanism comprises a guiding surface arranged at one end of the plug close to the first connecting rod, two guiding protrusions corresponding to the second brush rod are fixedly connected to the first connecting rod, when the piston moves along the first connecting rod towards the position close to the inlet of the sewage pipe, the guiding surface and the first fillet guide the first brush rod to bend twice through abutting, the bent first brush rod is matched with the inner wall of the water filter net under the abutting limit of the inner wall of the water filter net and the guiding surface, and the guiding protrusions and the inner wall of the watchcase guide the second brush rod to bend twice through abutting and are matched with the outer wall of the water filter net under the limit of the outer wall of the water filter net and the limiting rope;
one end of the first brush rod, which is far away from the piston, is fixedly connected with a first guide head, one end of the second brush rod, which is far away from the piston, is fixedly connected with a second guide head, the first guide head and the second guide head are both in spherical or approximately spherical structures, and bristles are fixedly connected on the first guide head and the second guide head;
a weakening hole penetrating through the first brush rod is formed in a bending section, close to the first guide head, of the first brush rod along the vertical direction;
one end of the second connecting rod, which is far away from the piston, is fixedly connected with a rotating handle;
the bottom of the first connecting rod is provided with a marking groove corresponding to the position of the guide protrusion, and the rotating handle is fixedly connected with a marking block corresponding to the position of the second brush rod.
2. The high sensitivity metering level meter of claim 1, wherein the first guide head is passable through the first through hole.
3. The high sensitivity metering level meter of claim 1, wherein the top of each of the first and second guide heads is flush with the top of the water filter screen.
4. The high sensitivity metering level meter of claim 1, wherein when said plug, said plug tray and said water filter mesh are in interference with each other, an end of said first connecting rod remote from said plug is positioned outside said drain pipe.
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| CN202310863344.4A CN116576934B (en) | 2023-07-14 | 2023-07-14 | High-sensitivity metering-grade water meter |
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| CN202310863344.4A CN116576934B (en) | 2023-07-14 | 2023-07-14 | High-sensitivity metering-grade water meter |
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| CN116576934B true CN116576934B (en) | 2023-09-26 |
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| CN117109668B (en) * | 2023-10-19 | 2024-01-12 | 山东亿特电子科技有限公司 | Image pickup direct-reading remote water meter |
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