CN2720409Y - Equi-quantity-accumulating centralized-release microflow-metering water meter - Google Patents
Equi-quantity-accumulating centralized-release microflow-metering water meter Download PDFInfo
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- CN2720409Y CN2720409Y CN 200420050887 CN200420050887U CN2720409Y CN 2720409 Y CN2720409 Y CN 2720409Y CN 200420050887 CN200420050887 CN 200420050887 CN 200420050887 U CN200420050887 U CN 200420050887U CN 2720409 Y CN2720409 Y CN 2720409Y
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- water meter
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- storehouse
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Abstract
The utility model relates to an equi-quantity-accumulating centralized-release microflow-metering water meter which can accurately measure liquid under a condition of micro flow. The utility model comprises a water meter case (1) and a meter core (2) which is arranged in the water meter case (1) and plays the role of measuring readings. The meter core (2) divides the water meter into a front room (5) and a back room (6). A unidirectional opened equivalent accumulation unidirectional bin gate mechanism (3) is arranged in the back room (6). The back room (6) is divided into a front warehouse (7) and a back warehouse (8) by a bin gate (3-1). The plunger facet space (3-10) of the equivalent accumulation unidirectional bin gate mechanism (3) is communicated with the front warehouse (7) by a blowback flow regulator (4). A plunger large face space (3-11) is directly communicated with the back warehouse (8). The utility model solves the difficult problems of that the rotor blade of the existing water meter can not rotate under micro flow and the existing water meter can not metering. The equi-quantity-accumulating centralized-release microflow-metering water meter can enhance accuracy rating when micro flow is measurable, and overcomes the defect that the existing water meter is reversible when being oppositely installed.
Description
Technical field
The utility model relates to a kind of measurement instrument of fluid, particularly a kind of utensil that can carry out accurate measurement to the fluid under the micrometeor condition.Belong to International Classification of Patents G01F1/00 flow measurement technology field.
Background technology
China is a lack of water big country, the each province, the city, all there is the water source anxiety in autonomous region, the problem that water price goes up, and can not measure under the micrometeor, make the summary table of water unit can not be consistent with sub-metering, cause all contradiction in water and the charge, one of its reason is: present self unvanquishable problem of existing of water meter, be that rotor water gauge drives the numeration of watch core speed gear in the rotation of water impact rotor blade, and demonstration is by the discharge of water meter, when the miniflow water yield is passed through the watch core rotor blade, its structural reason can not be finished the promotion to blade, and rotor blade can not rotate, thereby can not measure.Existing palpus improves water meter structure, and reducing initial flow is the problem of being badly in need of research.In addition,, give illegal water-robbery person's opportunity when oppositely installing, also need in water meter structure, improve because existing water meter can reverse.
Summary of the invention
The purpose of this utility model is to overcome defective of the prior art, and a kind of concentrated microflow-metering water meter that discharges of equi-quantity-accumulating that can carry out accurate measurement to the fluid under the micrometeor condition is provided.
The technical solution of the utility model is as follows.
A kind of equi-quantity-accumulating is concentrated and is discharged microflow-metering water meter, it comprises the watchcase (1) of water meter, be arranged on the watch core (2) that plays the metering reading effect in the watchcase (1), watch core (2) is divided into cup (5) and chamber (6), back with water meter, is provided with the unidirectional door of equi-quantity-accumulating mechanism (3) in back chamber (6); Its folk prescription is divided into preceding storehouse (7) and storehouse (8), back to the door (3-1) that opens and closes with chamber, back (6); The little space of planes of piston (3-10) in the unidirectional door of the equi-quantity-accumulating mechanism (3) is communicated with by blowback flow regulator (4) with preceding storehouse (7), and the big space of planes of piston (3-11) is straight-through with storehouse, back (8);
Also the unidirectional door of equi-quantity-accumulating mechanism (3) can be set in cup (5), its door (3-1) is divided into preceding storehouse (9) and storehouse (10), back with cup (5), the little space of planes of piston (3-10) in the unidirectional door of the equi-quantity-accumulating mechanism (3) is communicated with preceding storehouse (9), and the big space of planes of piston (3-11) is straight-through with storehouse, back (8).
In chamber, back (6), be provided with the blowback flow regulator (4) of watch core (2) being read carefully and thoroughly adjustment, blowback flow regulator (4) is installed between the little space of planes of piston (3-10) of preceding storehouse (7) and the unidirectional door of equi-quantity-accumulating mechanism (3), be connected with the little space of planes of piston (3-10) by going into water conduit (4-2) respectively, and be connected with preceding storehouse (7) with drainage duct (4-3) by blowback conduit (4-4).
The principle of work of the unidirectional door of the equi-quantity-accumulating mechanism (3) in the back chamber (6) is to adopt preceding storehouse (7) and pressure reduction between storehouse, back (8) to change and to promote piston (3-6) mobile, the mobile overall process of piston (3-6) forms the space of collecting certain standard water amount, finish the process of equi-quantity-accumulating, when anhydrous stream passes through water meter, preceding storehouse (7) is identical with storehouse (8), back hydraulic pressure, the magnetic post (3-2) that is fixed on the door (3-1) is inhaled mutually with the magnetic sheet (3-5) on being fixed on dividing plate, simultaneously the water pressure that overcome preceding storehouse (7) is in closed condition with being fixed on that magnet ring (3-7) on the piston repels each other; When the miniflow water yield is passed through water meter, the hydraulic pressure in back storehouse (8) reduces, make the big space of planes of piston (3-6) compression piston (3-11), cross magnetic post (3-2) magnetic field center that is fixed on the door (3-1) up to magnet ring (3-7) magnetic field center that is fixed on the piston, the acting in conjunction of inversion and Qian Cang (7) water pressure takes place in magnetic field between the two, door (3-1) is opened fast, current are concentrated and are discharged by door (3-1), thereby drive the rotation of watch core (2) rotor blade and finish gage work, at this moment before, back storehouse communicates, hydraulic pressure is identical, because the big or small end area ratio of piston (3-6) makes piston reverses direction move to the top, inversion takes place in the magnetic field that is fixed on the magnetic post (3-2) on the door and is fixed between magnet ring (3-7) on the piston, in addition be fixed on dividing plate on magnetic sheet (3-5) inhale mutually, it is made a concerted effort greater than the water pressure in preceding storehouse (7), door (3-1) quick closedown, go round and begin again, finish the miniflow gage work.
The principle of work that the unidirectional door of equi-quantity-accumulating mechanism (3) is set in cup (5) is also same as described above, no longer describes in detail.
When the water of the little space of planes of piston (3-10) is discharged, the suitable water yield of adjusting screw adjustment is by the rotation of blowback conduit (4-4) damping watch core (2) rotor blade, reach the precision of adjustment water meter measurement, the unnecessary water yield enters preceding storehouse (7) by drainage duct (4-3).
The utility model has solved existing water meter rotor blade under micrometeor can not rotate the problem that can not measure; It has also solved existing water meter and when measurable, improved its degree of accuracy and guarantee lasting problem under micrometeor; The 3rd problem that it solves is: it is the problem that can reverse that existing water meter is oppositely installed.Specific as follows: the first, but realized metering, the precision adjustment of micrometeor, volume is little, and is simple in structure, reliable in action.The second, the unidirectional door of equi-quantity-accumulating mechanism (3) no longer works under the quantifiable flow of watch core (2), and door (3-1) improves serviceable life in the open site, and other adds blowback flow regulator (4) and guarantees measuring accuracy.The 3rd, guarantee irreversible to crossing water.
Description of drawings
Fig. 1 is that synoptic diagram is divided in the forward and backward chamber of water meter;
Fig. 2 is the structural representation of postpone chamber mode embodiment 1;
Fig. 3 is the structural representation of postpone chamber mode embodiment 2;
Fig. 4 is the synoptic diagram and blowback flow regulator (4) structural representation of the unidirectional door of equi-quantity-accumulating mechanism (3);
Embodiment
Equi-quantity-accumulating is concentrated and is discharged microflow-metering water meter, its structure comprises the watchcase (1) of water meter, be arranged on the watch core (2) that plays the metering reading effect in the watchcase (1), watch core (2) is divided into cup (5) with water meter---be the scope of water inlet between the watch core (2), back chamber (6)---for watch core (2) to the scope between water delivering orifice.In chamber, back (6), the unidirectional door of equi-quantity-accumulating mechanism (3) is set, its door (3-1) is divided into preceding storehouse (7) with chamber, back (6)---be the scope of watch core (2) between the door (3-1), and the back storehouse (8)---for door (3-1) to the scope between water delivering orifice, the little space of planes of piston (3-10) in the unidirectional door of the equi-quantity-accumulating mechanism (3) is communicated with by blowback flow regulator (4) with preceding storehouse (7), the big space of planes of piston (3-11) is straight-through with storehouse, back (8), blowback flow regulator (4) suitably is assigned to blowback conduit (4-4) by the water yield that adjusting screw (4-1) will enter Qian Cang (7), rotor blade to watch core (2) plays damping action, adjustment water meter precision, the unnecessary water yield is gone in the Qian Cang (7) by drainage duct (4-3) is in line.
Its course of work is: drip outside the water meter water delivering orifice when using, door (3-1) is closed, the interior water in back storehouse (8) reduces, form pressure reduction with preceding storehouse (7), preceding storehouse (7) current enter the little space of planes of piston (3-10) promotion piston (3-6) by drainage duct (4-3) and move to the big space of planes of piston (3-11) under differential pressure action, (3-6) runs to the end when piston, inversion takes place in the magnetic field that is fixed on the magnet ring (3-7) on the piston and is fixed between magnetic post (3-2) on the door, the hydraulic action power that adds the storehouse of going forward (7), (3-1) opens fast with door, allow the water of accumulation equivalent concentrate release fast by door (3-1), and the rotor blade that drives watch core (2) rotates, watch core has measured this water yield that flows through by rotating rotor blade, at this moment storehouse, back (8) is communicated with preceding storehouse (7), its hydraulic pressure is identical, because the difference of the big facet of piston (3-6), form the difference of pressure at two ends, the water in back storehouse (8) promotes piston (3-6) when the little space of planes of piston (3-10) moves the arrival end, be fixed on the magnet ring (3-7) on the piston and be fixed on the magnetic field generation inversion that the magnetic post (3-2) on the door is seen, simultaneously owing to the magnetic sheet (3-5) that is fixed on the dividing plate is inhaled greater than the pressure of preceding storehouse (7) current to door (3-1) mutually with the magnetic post (3-2) on being fixed on door, door (3-1) returning quickly is closed, make it to have formed section mistake water between equivalent, having reached equi-quantity-accumulating concentrates release to promote this purpose by the water yield of blade rotation metering, after reaching the certain flow condition at initial flow, the water flow pressure in preceding storehouse (7) is greater than the magnetic post (3-2) and the magnetic field suction that is fixed on the magnetic sheet (3-5) on the dividing plate that are fixed on the door, door (3-1) can not be closed, the unidirectional door of equi-quantity-accumulating mechanism (3) no longer works, current by door (3-1) can drive the rotor blade rotation, satisfy measuring requirement, also illustrated that this mechanism (3) only works the serviceable life of having improved mechanism (3) under micrometeor, the rotor blade rotation of watch core is arranged under other conditions, reach the purpose of metering.Again since adopted blowback flow regulator (4) with the little space of planes of piston (3-10) with go into water conduit (4-2) and be connected, distribution by adjusting screw (4-1), a certain amount of current are oppositely promoted to form damping by blowback conduit (4-4) to blade, adjustment quantity that watch core is gathered, guarantee precision, the unnecessary water yield enters preceding storehouse (7) by drainage duct (4-3).
Since behind water meter, added the unidirectional door of equi-quantity-accumulating mechanism (3) in chamber (6), the unidirectional use of its door (3-1), and water meter can not reversely be crossed water.
By the following examples and in conjunction with the accompanying drawings, further specify respectively the concrete structure of placing in cup and chamber, back.
Embodiment 1: the frame mode signal of placing in chamber, back (6), consult accompanying drawing 1,2,4,5: the equi-quantity-accumulating that present embodiment is provided with in chamber, back (6) is concentrated and is discharged microflow-metering water meter, it is by water meter housing (1), water meter watch core (2), be arranged on the unidirectional door of the equi-quantity-accumulating mechanism (3) in the chamber, back (6), connect preceding storehouse (7) and be communicated with the table body structure of finishing embodiment with storehouse, back (8) with the blowback flow regulator (4) and the big space of planes of piston (3-11) of the little space of planes of piston (3-10).Watch core (2) is divided into cup (5) and chamber (6), back with water meter; The door (3-1) of the unidirectional door of equi-quantity-accumulating mechanism (3) is divided into preceding storehouse (7) and storehouse (8), back with chamber, back (6), its piston (3-6) forms the big space of planes of piston (3-11) and is communicated with by blowback flow regulator (4) with preceding storehouse (7) with the back little space of planes of storehouse (8) connected sum piston (3-10) by sealing ring (3-8) sealing.Be fixed with magnetic post (3-2) on the door (3-1), be fixed with magnetic sheet (3-5) on the dividing plate (3-4), both inhale mutually, door (3-1) is closed, be fixed on the magnetic field environment that changes door (3-1) when magnet ring (3-7) on the piston moves up and down two ends with piston (3-6), door (3-1) is opened fast or is closed, and finishes equi-quantity-accumulating and concentrates the gage work that discharges the miniflow water yield.Blowback flow regulator (4), by an adjusting screw (4-1) that off-balancesheet is set, it is arranged on an end that distributes threeway on the node of three-way pipeline and goes into water conduit (4-2) and flow to other two ends blowback conduits (4-4) and drainage duct (4-3) ratio, make the blade rotational speed of the water yield damping watch core (2) of blowback conduit (4-4), reach the degree of accuracy of adjustment miniflow metering.
When micrometeor uses (use of dripping), door (3-1) closed condition, at this moment storehouse, back (8) is along with the outflow of dripping, pressure descends, piston (3-6) under the water pressure pushing of preceding storehouse (7) moves up to end points to the big space of planes of piston (3-11) direction, inversion takes place in the magnetic field that is fixed on the magnet ring (3-7) on the piston and is fixed between magnetic post (3-2) on the door, door (3-1) is opened rapidly, drive the blade rotation of watch core (2) by the water yield of door, measured the water yield of passing through, this water yield is filled storehouse (8), full back simultaneously, at this moment preceding storehouse (7) communicates with storehouse, back (8), hydraulic pressure is identical, because piston (3-6) is a T type structure, the pressure of the big space of planes of piston (3-11) is greater than the pressure of the little space of planes of piston (3-10), piston (3-6) is moved to the little space of planes of piston (3-10) direction, and finally reach end points, at this moment be fixed on the magnetic post (3-2) on the door and be fixed on that inversion takes place for magnetic field between the magnet ring (3-7) on the piston and the magnetic sheet (3-5) that is fixed on the dividing plate attracts, make door (3-1) overcome the hydraulic pressure quick closedown in preceding storehouse (7), disconnect the water route, finish an equi-quantity-accumulating and concentrate the process that discharges, and the water yield of door that this process is passed through (3-1) has been measured, so go round and begin again afterwards, promptly reach the purpose of miniflow metering; Open great deal running water when door (3-1) and drive the rotor blade rotation, rotate counting with the tape counter gear, closing the interior water of door (3-1) pipe does not flow, counter should not counted, but because the impulse inertia moment of water, the numeration gear can not stop operating with closing immediately of door (3-1), form error, after repeatedly adding up, cause the miniflow metering inaccurate, the 3-5 that is generally flow doubly, for reaching the purpose of standard metering, adopt the adjustment of blowback flow regulator, when promptly the water yield of the little space of planes of piston (3-10) being back to preceding storehouse (7) by adjusting spiral shell (4-1), be assigned to blowback conduit (4-4) in right amount, its velocity of rotation of blowback rotor blade damping, superfluous water reach the purpose of adjustment accurate measurement by the in line preceding storehouse of drainage duct (4-3) (7).
When opening big water swivel flow, overcome the magnetic post (3-2) that is fixed on the door and be fixed on the magnetic field suction between the magnetic sheet (3-5) on the dividing plate and door (3-1) is opened by the pressure of current self, at this moment preceding storehouse (7) with the back storehouse (8) though be connected, because the flowing water in storehouse, back (8) is more smooth, make between two storehouses and have differential water pressures, piston (3-6) can not move to the end points of the little space of planes of piston (3-10), door (3-1) standard-sized sheet, entire mechanism (3) is no longer moved, the rotor blade of watch core (2) normal rotation under the drive of current, finish gage work, thereby the time than the big flood traffic flow, mechanism (3) is failure to actuate, and reduces its frequency of operation, has improved serviceable life.
When water meter is had a mind to oppositely to install because door (3-1) is unidirectional unlatching, change the water delivering orifice of water meter into water inlet after, door (3-1) is closed forever, promptly oppositely installation can not be used.
Embodiment 2: place frame mode signal of the present invention at cup (5), consult accompanying drawing 1,3,4,5: the equi-quantity-accumulating that present embodiment is provided with in cup (5) is concentrated and is discharged microflow-metering water meter, it is by water meter housing (1), watch core (2), being arranged on the interior equi-quantity-accumulating of cup (5) unidirectional door mechanism (3) forms, its preceding storehouse (9) is communicated with the little space of planes of piston (3-10), back storehouse (10) is communicated with the big space of planes of piston (3-11), does not establish blowback flow regulator (4), finishes the table body structure.
The door (3-1) of the unidirectional door of equi-quantity-accumulating mechanism (3) is divided into preceding storehouse (9) and storehouse (10), back with cup (5).
Described other with embodiment 1 condition.Its principle of work, method are all with embodiment 1, because blowback flow regulator (4) is not installed, its degree of accuracy is effective not as embodiment's 1.
Claims (2)
1, a kind of equi-quantity-accumulating is concentrated and is discharged microflow-metering water meter, it is characterized in that: it comprises the watchcase (1) of water meter, be arranged on the watch core (2) that plays the metering reading effect in the watchcase (1), watch core (2) is divided into cup (5) and chamber (6), back with water meter, is provided with the unidirectional door of equi-quantity-accumulating mechanism (3) in back chamber (6); Its folk prescription is divided into preceding storehouse (7) and storehouse (8), back to the door (3-1) that opens and closes with chamber, back (6); The little space of planes of piston (3-10) in the unidirectional door of the equi-quantity-accumulating mechanism (3) is communicated with by blowback flow regulator (4) with preceding storehouse (7), and the big space of planes of piston (3-11) is straight-through with storehouse, back (8);
Also the unidirectional door of equi-quantity-accumulating mechanism (3) can be set in cup (5), its door (3-1) is divided into preceding storehouse (9) and storehouse (10), back with cup (5), the little space of planes of piston (3-10) in the unidirectional door of the equi-quantity-accumulating mechanism (3) is communicated with preceding storehouse (9), and the big space of planes of piston (3-11) is straight-through with storehouse, back (8).
2, equi-quantity-accumulating according to claim 1 is concentrated and is discharged microflow-metering water meter, it is characterized in that: in chamber, back (6), be provided with the blowback flow regulator (4) of watch core (2) being read carefully and thoroughly adjustment, blowback flow regulator (4) is installed between the little space of planes of piston (3-10) of preceding storehouse (7) and the unidirectional door of equi-quantity-accumulating mechanism (3), be connected with the little space of planes of piston (3-10) by going into water conduit (4-2) respectively, and be connected with preceding storehouse (7) with drainage duct (4-3) by blowback conduit (4-4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420050887 CN2720409Y (en) | 2004-03-19 | 2004-05-12 | Equi-quantity-accumulating centralized-release microflow-metering water meter |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200420007352.1 | 2004-03-19 | ||
| CN200420007352 | 2004-03-19 | ||
| CN 200420050887 CN2720409Y (en) | 2004-03-19 | 2004-05-12 | Equi-quantity-accumulating centralized-release microflow-metering water meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2720409Y true CN2720409Y (en) | 2005-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420050887 Expired - Fee Related CN2720409Y (en) | 2004-03-19 | 2004-05-12 | Equi-quantity-accumulating centralized-release microflow-metering water meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2720409Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106679754A (en) * | 2017-01-10 | 2017-05-17 | 付士宏 | Air-pressure type water meter |
-
2004
- 2004-05-12 CN CN 200420050887 patent/CN2720409Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106679754A (en) * | 2017-01-10 | 2017-05-17 | 付士宏 | Air-pressure type water meter |
| CN106679754B (en) * | 2017-01-10 | 2019-06-28 | 付士宏 | Vapour-pressure type water meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: LIU LI Free format text: FORMER OWNER: SHUNTIAN SHUIYI HIGH NEW TECHN Effective date: 20100706 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100176 NO.415-40, DISTRICT B1, NO.12, HONGDA NORTH ROAD, BEIJING ECONOMIC-TECHNOLOGICAL DEVELOPMENT AREA, BEIJING TO: 100016 ROOM 1901, BUILDING 2, YARD 28, NANSHILIJU, CHAOYANG DISTRICT, BEIJING |
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| TR01 | Transfer of patent right |
Effective date of registration: 20100706 Address after: 100016 Beijing city Chaoyang District South ten ranking No. 28 Building No. 2 room 1901 Patentee after: Liu Li Address before: 100176, B 415-40, block 12, Hongda North Road, Beijing economic and Technological Development Zone, Beijing, China Patentee before: Shuntian-Shuiyi High-New Technology Development Co., Ltd., Beijing |
|
| DD01 | Delivery of document by public notice |
Addressee: Liu Li Document name: Notification of Termination of Patent Right |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050824 Termination date: 20120512 |