CN112082612A - Rotary piston positive displacement water meter - Google Patents
Rotary piston positive displacement water meter Download PDFInfo
- Publication number
- CN112082612A CN112082612A CN202010889677.0A CN202010889677A CN112082612A CN 112082612 A CN112082612 A CN 112082612A CN 202010889677 A CN202010889677 A CN 202010889677A CN 112082612 A CN112082612 A CN 112082612A
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- Prior art keywords
- water
- fixedly connected
- shell
- pipe
- impeller
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 152
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 22
- 239000012535 impurity Substances 0.000 claims abstract description 33
- 238000007789 sealing Methods 0.000 claims description 35
- 230000007246 mechanism Effects 0.000 claims description 11
- 239000000945 filler Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 210000004209 hair Anatomy 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000009825 accumulation Methods 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000001914 filtration Methods 0.000 abstract description 8
- 238000005259 measurement Methods 0.000 description 10
- 244000309464 bull Species 0.000 description 7
- 238000012856 packing Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 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
- 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
Abstract
The invention discloses a rotary piston positive displacement water meter, which comprises a shell, wherein the right side of the shell is communicated with a water inlet pipe, the left side of the shell is communicated with a water outlet pipe, the top of the shell is sleeved with a cover cap in a threaded manner, the inner cavity of the shell is transversely and fixedly connected with a transverse plate, the bottom of the inner cavity of the shell is movably connected with a rotary rod, the top of the rotary rod penetrates through the transverse plate and extends to the inner cavity of the cover cap, and a piston is sleeved on the surface of the rotary rod. The invention solves the problems that the gap between the impeller and the inner wall of the meter body of the prior positive displacement water meter is large, the rotating error of the impeller is large under the condition of slow water flow speed, so the measuring precision is reduced, the impeller does not have a filtering structure, impurities in water cannot be filtered and collected, the impurities are accumulated at the impeller, the rotation of the impeller is influenced, the backflow of a water source cannot be prevented, the impeller rotates reversely under the condition of backflow of the water, the metering is influenced, and the water meter is damaged seriously.
Description
The clearance between current positive displacement water gauge impeller and the table body inner wall is big, makes impeller rotation error big under the slow condition of velocity of water flow to reduced measurement accuracy, do not have filtration, can not filter the collection to the impurity of aquatic, make impurity pile up in impeller department, influence the rotation of impeller, can not prevent the water source refluence, return the reversal that causes the impeller under the water refluence condition, not only influence the measurement, cause the damage of water gauge when serious.
Disclosure of Invention
The invention aims to provide a rotary piston displacement water meter which has the advantages of high measurement precision, filtering and collecting impurities in water, preventing water source backflow, protecting the water meter and prolonging the service life, and solves the problems that the existing displacement water meter has large clearance between an impeller and the inner wall of a meter body, has large impeller rotation error under the condition of slow water flow speed, reduces the measurement precision, does not have a filtering structure, cannot filter and collect the impurities in the water, accumulates the impurities at the impeller, influences the rotation of the impeller, cannot prevent the backflow of the water source, causes the reversal of the impeller under the condition of water backflow, influences the metering and seriously damages the water meter.
In order to achieve the purpose, the invention provides the following technical scheme: a rotary piston displacement water meter comprises a shell, wherein the right side of the shell is communicated with a water inlet pipe, the left side of the shell is communicated with a water outlet pipe, a cover is sleeved on the top of the shell in a threaded manner, a transverse plate is transversely and fixedly connected with the inner cavity of the shell, a rotating rod is movably connected with the bottom of the inner cavity of the shell, the top of the rotating rod penetrates through the transverse plate and extends to the inner cavity of the cover, a piston is sleeved on the surface of the rotating rod, an impeller is fixedly connected with the surface of the piston, a metering mechanism is fixedly connected with the top of the rotating rod, a sealing shell is fixedly mounted at the top of the water inlet pipe, a filter plate is fixedly connected with the top of the inner cavity of the sealing shell, the bottom of the filter plate penetrates to the bottom of the inner cavity of the water inlet pipe, a longitudinal plate is longitudinally and, the right end of the cross rod penetrates through the longitudinal plate and the fixed box in sequence and extends to the inner cavity of the fixed box, the left end of the cross rod is fixedly connected with the brush plate, the right side of the top of the water inlet pipe is fixedly connected with a motor, the bottom of a motor rotating shaft penetrates through the water inlet pipe and the fixed box in sequence and extends to the inner cavity of the fixed box, the bottom of the motor rotating shaft is fixedly connected with a first bevel gear, the right end of the cross rod is fixedly connected with a second bevel gear, the first bevel gear is meshed with the second bevel gear, the surface of the water outlet pipe is fixedly connected with a circular ring, the left side of the circular ring is movably connected with a valve clack through a rotating shaft, the top and the bottom of the left side of the fixed block are both fixedly connected with fixed blocks, one side, opposite to the, the telescopic top run through to the inside of outlet pipe and with outlet pipe fixed connection, sheathed tube inner wall fixedly connected with spring, the bottom fixedly connected with movable rod of spring, the one end that the spring was kept away from to the movable rod extends to the inner chamber of outlet pipe and through pivot and stand pipe swing joint, the bottom intercommunication of inlet tube has threaded connection pipe, threaded connection pipe's bottom thread bush is equipped with the receiving flask, the positive fixedly connected with switch of shroud, switch and motor electric connection.
Preferably, the both sides at sealed shell top all run through and are provided with the bolt, and the bottom of bolt runs through sealed shell and extends to the inner chamber of inlet tube, the junction threaded connection of bolt and inlet tube.
Preferably, the junction of sealed shell and inlet tube is provided with first sealed the pad, the right side fixedly connected with second of valve clack is sealed fills up, and the right side that the second was sealed fills up contacts with the left side of ring.
Preferably, the brush hair on the left side of the brush board contacts with the right side of the filter board, a first sealing sleeve is arranged at the joint of the filter board and the water inlet pipe, and the surface of the filter board is sleeved with the first sealing sleeve.
Preferably, a second sealing sleeve is arranged at the joint of the motor rotating shaft and the water inlet pipe, and the second sealing sleeve is sleeved on the surface of the motor rotating shaft.
Preferably, the joints of the rotating rods and the cross rods are respectively provided with two first bearings and two sealing filler rings, the first bearings are located at the top and the bottom of the sealing filler rings, and the joints of the cross rods and the fixed boxes are provided with second bearings.
Preferably, the top of the cover cap is movably connected with a transparent cover through a hinge, and the bottom of the right side of the transparent cover is fixedly connected with a bump.
A method of using a rotary piston positive displacement water meter comprising the steps of:
a: the water inlet pipe and the water outlet pipe are connected with an external water pipe, water enters from the water inlet pipe, enters the inner cavity of the shell to push the impeller to rotate, and is discharged from the water outlet pipe;
b: impurities in water are separated through the filter plate, the switch control motor operates to drive the first bevel gear to rotate, the first bevel gear drives the second bevel gear to rotate, the second bevel gear drives the transverse rod to rotate, the transverse rod drives the brush plate to rotate, impurities on the surface of the filter plate are cleaned, the situation that the impurities are accumulated on the surface of the filter plate to block the filter plate is avoided, when a water source does not flow, the impurities fall into the collecting bottle through the threaded connecting pipe, the main valve is closed, the collecting bottle is rotated, the collecting bottle is disassembled, and the impurities are cleaned;
c: in the water source flowing process, a water source penetrates through the circular ring to push the valve clack to move, so that the valve clack is rotated to open, the valve clack is rotated to drive the guide pipe to rotate through the fixed block, the guide pipe pushes the movable rod to move, the movable rod compresses the spring, when the main valve is closed, the spring pushes the movable rod to return, the movable rod pushes the guide pipe and the guide rod to make the valve clack return, the valve clack seals the left side of the circular ring, water on the left side of the valve clack cannot flow backwards, and the water meter is protected.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention has the advantages of high measurement precision, filtering and collecting impurities in water, preventing backflow of water source, protecting the water meter and prolonging the service life by matching the shell, the water inlet pipe, the water outlet pipe, the cover cap, the transverse plate, the rotating rod, the piston, the impeller, the metering mechanism, the sealing shell, the filter plate, the longitudinal plate, the fixed box, the transverse rod, the brush plate, the motor, the first bevel gear, the second bevel gear, the circular ring, the valve clack, the fixed block, the guide rod, the guide pipe, the sleeve pipe, the spring and the movable rod, solves the problems that the gap between the impeller and the inner wall of the meter body of the prior positive displacement water meter is large, the rotation error of the impeller is large under the condition of slow water flow speed, the measurement precision is reduced, the filtering structure is not available, the impurities flowing backwards in water can not be filtered and collected, the impurities are accumulated at the impeller, the rotation, the impeller is reversely rotated under the condition of water backflow, so that the metering is influenced, and the water meter is damaged in serious conditions.
2. The invention is connected with the water inlet pipe through the bolt, is convenient for fixedly installing the sealing shell, is convenient for disassembling the sealing shell and the filter plate by the same staff, is convenient for cleaning the filter plate, enhances the sealing property between the sealing shell and the water inlet pipe by arranging the first sealing gasket, enhances the sealing property between the valve clack and the circular ring by arranging the second sealing gasket, blocks the water source by arranging the valve clack, avoids the backflow of the water source, can clean the impurities accumulated on the surface of the filter plate by arranging the brush plate, avoids the blocking of the filter plate by the impurities, causes the blocking of the filter plate, can seal the position between the filter plate and the water inlet pipe by arranging the first sealing gasket, avoids the water source leakage at the position, can seal the position between the motor rotating shaft and the water inlet pipe by arranging the second sealing gasket, avoids the water source in the water inlet pipe from leaking from the position, and, can support the bull stick, the rotation of the bull stick of being convenient for through setting up the sealing filler ring, can seal between bull stick and the diaphragm, avoids here seepage water source, through setting up the second bearing, can support the horizontal pole, the rotation of the horizontal pole of being convenient for through setting up transparent cover, is convenient for watch water gauge measurement data, through setting up the lug, the opening and shutting of the transparent cover of being convenient for.
Drawings
FIG. 1 is a schematic cross-sectional view of the structure of the present invention;
FIG. 2 is an enlarged view of the structure A of FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of the structure A in FIG. 2 according to the present invention;
FIG. 4 is a schematic partial cross-sectional view of the sleeve and movable rod of the present invention;
FIG. 5 is a bottom cross-sectional view of a portion of the present invention;
FIG. 6 is a schematic front view of the structure of the present invention.
In the figure: the device comprises a shell 1, a water inlet pipe 2, a water outlet pipe 3, a cover 4, a transverse plate 5, a rotating rod 6, a piston 7, an impeller 8, a metering mechanism 9, a sealing shell 10, a filter plate 11, a longitudinal plate 12, a fixed box 13, a transverse rod 14, a brush plate 15, a motor 16, a first bevel gear 17, a second bevel gear 18, a circular ring 19, a valve clack 20, a fixed block 21, a threaded connecting pipe 22, a collecting bottle 23, a guide rod 24, a guide pipe 25, a sleeve 26, a spring 27, a movable rod 28, a switch 29, a first bearing 30 and a sealing packing ring 31.
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 should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The shell 1, the water inlet pipe 2, the water outlet pipe 3, the cover cap 4, the transverse plate 5, the rotating rod 6, the piston 7, the impeller 8, the metering mechanism 9, the sealing shell 10, the filter plate 11, the longitudinal plate 12, the fixed box 13, the cross rod 14, the brush plate 15, the motor 16, the first bevel gear 17, the second bevel gear 18, the circular ring 19, the valve clack 20, the fixed block 21, the threaded connecting pipe 22, the collecting bottle 23, the guide rod 24, the guide pipe 25, the sleeve 26, the spring 27, the movable rod 28, the switch 29, the first bearing 30 and the sealing filler ring 31 are all universal standard parts or parts known by a person skilled in the art, and the structure and the principle of the parts can be known by a technical manual or by a conventional experimental method.
Referring to fig. 1-6, a rotary piston positive displacement water meter comprises a housing 1, a water inlet pipe 2 is communicated with the right side of the housing 1, a water outlet pipe 3 is communicated with the left side of the housing 1, a cover 4 is threaded on the top of the housing 1, a transverse plate 5 is fixedly connected with the inner cavity of the housing 1 in the transverse direction, a rotating rod 6 is movably connected with the bottom of the inner cavity of the housing 1, the top of the rotating rod 6 penetrates through the transverse plate 5 and extends to the inner cavity of the cover 4, a piston 7 is sleeved on the surface of the rotating rod 6, an impeller 8 is fixedly connected on the surface of the piston 7, a metering mechanism 9 is fixedly connected on the top of the rotating rod 6, a sealing shell 10 is fixedly installed on the top of the inner cavity of the sealing shell 10, a filter plate 11 is fixedly connected with the top of the inner cavity of the water inlet pipe 2, a longitudinal plate 12 is, a transverse rod 14 penetrates through the left end of the longitudinal plate 12, the right end of the transverse rod 14 sequentially penetrates through the longitudinal plate 12 and the fixed box 13 and extends to the inner cavity of the fixed box 13, a brush plate 15 is fixedly connected to the left end of the transverse rod 14, a motor 16 is fixedly connected to the right side of the top of the water inlet pipe 2, the bottom of a rotating shaft of the motor 16 sequentially penetrates through the water inlet pipe 2 and the fixed box 13 and extends to the inner cavity of the fixed box 13, a first bevel gear 17 is fixedly connected to the bottom of the rotating shaft of the motor 16, a second bevel gear 18 is fixedly connected to the right end of the transverse rod 14, the first bevel gear 17 is meshed with the second bevel gear 18, a circular ring 19 is fixedly connected to the surface of the water outlet pipe 3, a valve flap 20 is movably connected to the left side of the circular ring 19 through the rotating shaft, fixed blocks 21 are, the top of 3 inner chambers of outlet pipe runs through and is provided with sleeve pipe 26, sleeve pipe 26's top run through to outlet pipe 3 inside and with outlet pipe 3 fixed connection, sleeve pipe 26's inner wall fixedly connected with spring 27, spring 27's bottom fixedly connected with movable rod 28, the one end that spring 27 was kept away from to movable rod 28 extends to outlet pipe 3's inner chamber and through pivot and stand pipe 25 swing joint, the bottom intercommunication of inlet tube 2 has threaded connection pipe 22, threaded connection pipe 22's bottom thread bush is equipped with receiving flask 23, the positive fixedly connected with switch 29 of shroud 4, switch 29 and motor 16 electric connection.
The both sides at sealed shell 10 top all run through and are provided with the bolt, and the bottom of bolt runs through sealed shell 10 and extends to the inner chamber of inlet tube 2, and the junction threaded connection of bolt and inlet tube 2 through bolt and 2 threaded connection of inlet tube, is convenient for carry out fixed mounting to sealed shell 10, and the colleague is convenient for dismantle sealed shell 10 and filter 11, is convenient for wash filter 11.
The junction of sealed shell 10 and inlet tube 2 is provided with first sealed the pad, and the right side fixedly connected with second of valve clack 20 is sealed fills up, and the right side that the second was sealed fills up contacts with the left side of ring 19, through setting up first sealed pad, has strengthened the leakproofness between sealed shell 10 and the inlet tube 2, through setting up the second sealed pad, has strengthened the leakproofness between valve clack 20 and the ring 19, through setting up valve clack 20, carries out the separation to the water source, avoids the water source refluence.
Preferably, brush 15 left brush hairs of board and the right side contact of filter 11, filter 11 is provided with first seal cover with inlet tube 2's junction, first seal cover is established on filter 11's surface, through setting up brush 15, can clean 11 accumulational impurity in surface of filter, avoid impurity to block up filter 11, cause filter 11's jam, through setting up first seal cover, can seal between filter 11 and the inlet tube 2, avoid here seepage water source.
The junction of 16 pivots of motor and inlet tube 2 is provided with the second seal cover, and the second seal cover is established on the surface of 16 pivots of motor, through setting up the second seal cover, can seal between 16 pivots of motor and the inlet tube 2, avoids the inside water source of inlet tube 2 from this department's seepage.
The junction of bull stick 6 and horizontal pole 14 is provided with first bearing 30 and sealing packing ring 31 respectively, the quantity of first bearing 30 is two, first bearing 30 is located sealing packing ring 31's top and bottom, horizontal pole 14 is provided with the second bearing with the junction of fixed box 13, through setting up first bearing, can support bull stick 6, be convenient for the rotation of bull stick 6, through setting up sealing packing ring 31, can seal between bull stick 6 and the diaphragm 5, avoid here seepage water source, through setting up the second bearing, can support horizontal pole 14, be convenient for the rotation of horizontal pole 14.
The top of the cover cap 4 is movably connected with a transparent cover through a hinge, the bottom on the right side of the transparent cover is fixedly connected with a convex block, the transparent cover is arranged, the water meter metering data can be conveniently watched, and the transparent cover can be conveniently opened and closed through the convex block.
Through the cooperation of the shell 1, the water inlet pipe 2, the water outlet pipe 3, the cover cap 4, the transverse plate 5, the rotating rod 6, the piston 7, the impeller 8, the metering mechanism 9, the sealing shell 10, the filter plate 11, the longitudinal plate 12, the fixed box 13, the transverse rod 14, the brush plate 15, the motor 16, the first bevel gear 17, the second bevel gear 18, the circular ring 19, the valve clack 20, the fixed block 21, the guide rod 24, the guide pipe 25, the sleeve 26, the spring 27 and the movable rod 28, the measuring precision is high, impurities in water are filtered and collected, water source backflow is prevented, the water meter is protected, the service life is prolonged, the problems that the gap between the impeller 8 and the inner wall of the meter body is large, the rotating error of the impeller 8 is large under the condition of slow water flow speed, the measuring precision is reduced, the filtering structure is not available, impurities in water cannot be filtered and collected, and are accumulated at the impeller 8 are, influence the rotation of impeller 8, can not prevent the water source refluence, cause impeller 8's reversal under the water refluence condition, not only influence the measurement, cause the problem that the water gauge damaged when serious.
A method of using a rotary piston positive displacement water meter comprising the steps of:
a: the water inlet pipe 2 and the water outlet pipe 3 are connected with an external water pipe, a water source enters from the water inlet pipe 2, the water source enters the inner cavity of the shell 1 to push the impeller 8 to rotate, the water source is discharged from the water outlet pipe 3, the impeller 8 and the inner wall of the shell 1 keep a minimum distance by arranging a plurality of groups of impellers 8, water flow can also drive the impeller 8 to rotate when slowly flowing, the impeller 8 rotates to drive the rotating rod 6 to rotate, the rotating rod 6 drives the metering mechanism 9 to rotate, the water flow is metered by the metering mechanism 9, and the metering precision is enhanced;
b: impurities in water are separated through the filter plate 11, the motor 16 is controlled to operate through the switch 29 to drive the first bevel gear 17 to rotate, the first bevel gear 17 drives the second bevel gear 18 to rotate, the second bevel gear 18 drives the cross rod 14 to rotate, the cross rod 14 drives the brush plate 15 to rotate, impurities on the surface of the filter plate 11 are cleaned, the situation that the impurities are accumulated on the surface of the filter plate 11 to block the filter plate 11 is avoided, when a water source does not flow, the impurities fall into the collecting bottle 23 through the threaded connecting pipe 22, the main valve is closed, the collecting bottle 23 is rotated, the collecting bottle 23 is disassembled, and the impurities are cleaned;
c: in the water source flowing process, a water source penetrates through the circular ring 19 to push the valve clack 20 to move, so that the valve clack 20 is rotated to be opened, the valve clack 20 rotates to drive the guide pipe 25 to rotate through the fixed block 21, the guide pipe 25 pushes the movable rod 28 to move, the movable rod 28 compresses the spring 27, when the main valve is closed, the spring 27 pushes the movable rod 28 to return, the movable rod 28 pushes the guide pipe 25 and the guide rod 24 to push the valve clack 20 to return, the valve clack 20 seals the left side of the circular ring 19, water on the left side of the valve clack 20 cannot flow backwards, and the water meter is.
In summary, the following steps: the rotary piston displacement water meter solves the problems that the gap between the impeller and the inner wall of the meter body of the prior displacement water meter is large, the impeller rotation error is large under the condition of slow water flow speed, so that the measurement precision is reduced, a filtering structure is not provided, impurities in water can not be filtered and collected, the impurities are accumulated at the impeller, the rotation of the impeller is influenced, a water source can not be prevented, and the impeller is reversely rotated under the condition of water backflow, not only influence the measurement, cause the problem that the water gauge damaged when serious.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A rotary piston positive displacement water meter comprising a housing (1), characterized in that: the water inlet pipe is communicated with the right side of the shell (1), the water outlet pipe (3) is communicated with the left side of the shell (1), a cover (4) is sleeved on a top thread of the shell (1), a transverse plate (5) is transversely and fixedly connected with an inner cavity of the shell (1), a rotating rod (6) is movably connected with the bottom of the inner cavity of the shell (1), the top of the rotating rod (6) penetrates through the transverse plate (5) and extends to the inner cavity of the cover (4), a piston (7) is sleeved on the surface of the rotating rod (6), an impeller (8) is fixedly connected with the surface of the piston (7), a metering mechanism (9) is fixedly connected with the top of the rotating rod (6), a sealing shell (10) is fixedly installed at the top of the water inlet pipe (2), a filter plate (11) is fixedly connected with the top of the inner cavity of the sealing shell (10), and the bottom of the filter plate (11, the inner cavity of the water inlet pipe (2) is longitudinally and fixedly connected with a longitudinal plate (12), the right side of the longitudinal plate (12) is fixedly connected with a fixed box (13), the left end of the longitudinal plate (12) is provided with a cross rod (14) in a penetrating manner, the right end of the cross rod (14) sequentially penetrates through the longitudinal plate (12) and the fixed box (13) and extends to the inner cavity of the fixed box (13), the left end of the cross rod (14) is fixedly connected with a brush plate (15), the right side of the top of the water inlet pipe (2) is fixedly connected with a motor (16), the bottom of a rotating shaft of the motor (16) sequentially penetrates through the water inlet pipe (2) and the fixed box (13) and extends to the inner cavity of the fixed box (13), the bottom of the rotating shaft of the motor (16) is fixedly connected with a first bevel gear (17), the right end of the cross rod (14) is fixedly connected with a second bevel, the fixed surface of outlet pipe (3) is connected with ring (19), the left side of ring (19) has valve clack (20) through pivot swing joint, the equal fixedly connected with fixed block (21) in left top and bottom of fixed block (21), one side fixedly connected with guide bar (24) that fixed block (21) is relative, the surface cover of guide bar (24) is equipped with stand pipe (25), the top of outlet pipe (3) inner chamber is run through and is provided with sleeve pipe (26), the top of sleeve pipe (26) run through to the inside of outlet pipe (3) and with outlet pipe (3) fixed connection, the inner wall fixedly connected with spring (27) of sleeve pipe (26), the bottom fixedly connected with movable rod (28) of spring (27), the one end that spring (27) was kept away from in movable rod (28) extends to the inner chamber of outlet pipe (3) and through pivot and guide pipe (25) swing joint, the bottom intercommunication of inlet tube (2) has threaded connection pipe (22), the bottom threaded sleeve of threaded connection pipe (22) is equipped with receiving flask (23), positive fixedly connected with switch (29) of shroud (4), switch (29) and motor (16) electric connection.
2. A rotary piston positive displacement water meter in accordance with claim 1, wherein: the both sides at sealed shell (10) top all run through and are provided with the bolt, and the bottom of bolt runs through sealed shell (10) and extends to the inner chamber of inlet tube (2), the junction threaded connection of bolt and inlet tube (2).
3. A rotary piston positive displacement water meter in accordance with claim 1, wherein: the junction of sealed shell (10) and inlet tube (2) is provided with first sealed the pad, the right side fixedly connected with second of valve clack (20) is sealed fills up, and the right side that the second was sealed fills up contacts with the left side of ring (19).
4. A rotary piston positive displacement water meter in accordance with claim 1, wherein: brush the left brush hair of board (15) and the right side contact of filter (11), the junction of filter (11) and inlet tube (2) is provided with first seal cover, and first seal cover is established on the surface of filter (11).
5. A rotary piston positive displacement water meter in accordance with claim 1, wherein: and a second sealing sleeve is arranged at the joint of the rotating shaft of the motor (16) and the water inlet pipe (2), and the surface of the rotating shaft of the motor (16) is sleeved with the second sealing sleeve.
6. A rotary piston positive displacement water meter in accordance with claim 1, wherein: the connecting part of the rotating rod (6) and the cross rod (14) is provided with two first bearings (30) and two sealing filler rings (31), the first bearings (30) are located at the top and the bottom of the sealing filler rings (31), and the connecting part of the cross rod (14) and the fixed box (13) is provided with a second bearing.
7. A rotary piston positive displacement water meter in accordance with claim 1, wherein: the top of the cover cap (4) is movably connected with a transparent cover through a hinge, and the bottom of the right side of the transparent cover is fixedly connected with a bump.
8. A method of using a rotary piston positive displacement water meter as claimed in claim 1, including the steps of:
a: the water inlet pipe (2) and the water outlet pipe (3) are connected with an external water pipe, a water source enters from the water inlet pipe (2), the water source enters the inner cavity of the shell (1) to push the impeller (8) to rotate, the water source is discharged from the water outlet pipe (3), the impeller (8) and the inner wall of the shell (1) keep a minimum distance by arranging a plurality of groups of impellers (8), the impeller (8) can be driven to rotate by water flow when the water flow slowly flows, the rotating rod (6) is driven to rotate by the rotation of the impeller (8), the metering mechanism (9) is driven by the rotating rod (6) to rotate, the water flow is metered by the metering mechanism (9), and the metering precision;
b: the impurities in water are separated through a filter plate (11), a motor (16) is controlled to operate through a switch (29) to drive a first bevel gear (17) to rotate, the first bevel gear (17) drives a second bevel gear (18) to rotate, the second bevel gear (18) drives a transverse rod (14) to rotate, the transverse rod (14) drives a brush plate (15) to rotate, the impurities on the surface of the filter plate (11) are cleaned, the filter plate (11) is prevented from being blocked on the surface of the filter plate (11) due to accumulation of the impurities, when a water source does not flow, the impurities drop into a collecting bottle (23) through a threaded connecting pipe (22), a main valve is closed, the collecting bottle (23) is rotated, the collecting bottle (23) is disassembled, and the impurities are cleaned;
c: in the water source flowing process, a water source penetrates through a circular ring (19) to push a valve clack (20) to move, the valve clack (20) is enabled to be opened in a rotating mode, the valve clack (20) rotates to drive a guide pipe (25) to rotate through a fixed block (21), the guide pipe (25) pushes a movable rod (28) to move, the movable rod (28) compresses a spring (27), when a main valve is closed, the spring (27) pushes the movable rod (28) to return, the movable rod (28) pushes the guide pipe (25) and the guide rod (24), the valve clack (20) is enabled to return, the left side of the circular ring (19) is sealed by the valve clack (20), water on the left side of the valve clack (20) cannot flow backwards, and the.
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| CN202010889677.0A CN112082612A (en) | 2020-08-28 | 2020-08-28 | Rotary piston positive displacement water meter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010889677.0A CN112082612A (en) | 2020-08-28 | 2020-08-28 | Rotary piston positive displacement water meter |
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| CN112082612A true CN112082612A (en) | 2020-12-15 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112729444A (en) * | 2020-12-28 | 2021-04-30 | 山东中锐供水设备有限公司 | Water meter special for water supply equipment |
| CN113218459A (en) * | 2021-04-12 | 2021-08-06 | 李述冰 | Flow meter |
| CN113358166A (en) * | 2021-07-09 | 2021-09-07 | 青岛三利水务有限公司 | Anti-reverse water meter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112729444A (en) * | 2020-12-28 | 2021-04-30 | 山东中锐供水设备有限公司 | Water meter special for water supply equipment |
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| CN113218459A (en) * | 2021-04-12 | 2021-08-06 | 李述冰 | Flow meter |
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| CN113358166A (en) * | 2021-07-09 | 2021-09-07 | 青岛三利水务有限公司 | Anti-reverse water meter |
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