CN112179433A - Rotary piston positive displacement water meter - Google Patents

Rotary piston positive displacement water meter Download PDF

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Publication number
CN112179433A
CN112179433A CN202011037498.0A CN202011037498A CN112179433A CN 112179433 A CN112179433 A CN 112179433A CN 202011037498 A CN202011037498 A CN 202011037498A CN 112179433 A CN112179433 A CN 112179433A
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CN
China
Prior art keywords
cavity
water
fixedly connected
connecting pipe
measuring
Prior art date
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Granted
Application number
CN202011037498.0A
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Chinese (zh)
Other versions
CN112179433B (en
Inventor
刘国庆
刘华亮
吴开鹏
戴琴
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Changde Water Meter Manufacture Co Ltd
Original Assignee
Hunan Changde Water Meter Manufacture Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Hunan Changde Water Meter Manufacture Co Ltd filed Critical Hunan Changde Water Meter Manufacture Co Ltd
Priority to CN202011037498.0A priority Critical patent/CN112179433B/en
Publication of CN112179433A publication Critical patent/CN112179433A/en
Application granted granted Critical
Publication of CN112179433B publication Critical patent/CN112179433B/en
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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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F11/00—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
    • G01F11/006—Details or accessories
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/07—Integration to give total flow, e.g. using mechanically-operated integrating mechanism
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/18—Supports or connecting means for meters
    • G01F15/185—Connecting means, e.g. bypass conduits
    • 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 invention relates to the technical field of positive displacement water meters, in particular to a rotary piston positive displacement water meter. The device comprises a connecting pipe, wherein a valve column is arranged in the connecting pipe, a measuring device is arranged on one side of the valve column, and a sealing device is arranged in the valve column close to the top side; the connecting pipe includes connecting pipe body and the perpendicular adapter of connecting on connecting pipe body middle part lateral wall, the middle part fixedly connected with baffle of connecting pipe body and the inside cavity of adapter, and the valve post includes the valve body, and the intake antrum has been seted up near the bottom of valve body to one side of baffle socket, and the upside of intake antrum is equipped with inserts the chamber, and the opposite side of baffle socket is seted up the play water cavity that link up valve body bottom lateral wall, and measuring device is including measuring the shell and setting up at the inside measuring mechanism of measuring the shell. The invention mainly solves the problems that sundries grow on the piston disc due to long-time use of the piston box in the water meter, the flowing speed of water passing through the piston disc is influenced, the water safety of residents is influenced, and the water quality of the residents is reduced.

Description

Rotary piston positive displacement water meter
Technical Field
The invention relates to the technical field of positive displacement water meters, in particular to a rotary piston positive displacement water meter.
Background
Volumetric water meters, which are water meters installed in a pipe and composed of chambers of known volume which are filled and drained successively and a mechanism driven by the fluid, generally adopt a piston type structure. Positive displacement water meters measure the actual volume of fluid passing through the meter. The most visual metaphor is that the revolving door can only rotate in a fixed direction compared with the revolving door in front of a large supermarket or hotel door, and the fluid can be rotated to the other side through the water meter when the revolving door rotates for a certain angle. Present positive displacement water gauge is when using, and the inside piston box of water gauge can be because long-time use, can grow debris on the piston dish, influences the flow speed that water passes through the piston dish, influences resident's water safety simultaneously, reduces resident's water quality.
Disclosure of Invention
The invention aims to provide a rotary piston displacement water meter, which solves the problems that when the existing displacement water meter proposed in the background art is used, sundries grow on a piston disc due to long-time use of a piston box in the water meter, the flowing speed of water passing through the piston disc is influenced, the water safety of residents is influenced, and the water quality of the residents is reduced.
In order to achieve the purpose, the rotary piston positive displacement water meter comprises a connecting pipe, wherein a valve column is arranged inside the connecting pipe, a measuring device is arranged on one side of the valve column, and a sealing device is arranged inside the valve column close to the top side;
the connecting pipe comprises a connecting pipe body and a bearing pipe vertically connected to the side wall of the middle part of the connecting pipe body, a partition plate is fixedly connected to the middle parts of the connecting pipe body and the inner cavity of the bearing pipe, and an installation cavity is arranged inside the bearing pipe;
the valve column comprises a valve body, a position, close to the middle part, of the bottom side of the valve body is provided with a partition plate socket penetrating through the front side and the rear side of the valve body, a position, close to the bottom of the valve body, of the bottom side of the partition plate socket is provided with a water inlet cavity, the bottom of the water inlet cavity is provided with a plurality of water inlet holes, an insertion cavity is arranged on the upper side of the water inlet cavity, a water outlet cavity penetrating through the side wall of the bottom of the valve body is arranged on the other side of the partition plate socket, seal cavities are arranged at positions, close to the middle part, of the upper sides of the insertion cavity and the water outlet cavity, the seal cavities are connected with each other through the water inlet cavities of the seal cavities, the seal cavities are connected with the water outlet cavities of the water outlet cavities through the seal cavities, the;
the measuring device comprises a measuring shell and a measuring mechanism arranged inside the measuring shell, wherein slide bars are fixedly connected to the left and right sides of the upper surface and the lower surface of the measuring shell in a bilaterally symmetrical mode, a water flowing cavity is formed in the measuring shell and comprises a cylindrical impeller placing cavity, a water inlet penetrating through the side wall of the measuring shell is formed in the upper end of the impeller placing cavity, a water outlet penetrating through the side wall of the measuring shell is formed in the lower end of the impeller placing cavity, the measuring mechanism comprises a rotating shaft, a water transferring impeller is fixedly connected to the rotating shaft, a belt pulley is fixedly connected to one end of the rotating shaft, a counter is arranged on one side of the rotating shaft, a belt is sleeved and connected to the rotating shaft of the counter and the outer ring of the belt pulley, a transmission cavity is formed in one side of the water flowing cavity, and a;
the sealing device comprises a driving column, one end of the bottom of the driving column is fixedly connected with a spherical sealing ball head, and one end of the driving column, far away from the sealing ball head, is fixedly connected with a threaded strip.
As a further improvement of the technical scheme, the valve column is inserted into the receiving pipe through the mounting cavity, the partition plate is inserted into the partition plate insertion opening, the rubber sealing plate is in close contact with the partition plate, the upper end of the rubber sealing plate is fixedly connected with a sealing protruding strip extending inwards, and the sealing protruding strip and the partition plate are tightly attached.
As a further improvement of the technical scheme, the side wall of the valve body close to the top and the top of the adapting pipe are fixedly connected with connecting rings, the two connecting rings are connected through a plurality of connecting screws which are annularly arranged, and a plurality of screws are annularly arranged at two ends of the connecting pipe body.
As a further improvement of the technical scheme, the top fixedly connected with of valve body and the solid fixed ring that the seal chamber is connected, be equipped with the thread groove on solid fixed ring's the inner wall, sealed bulb sets up the inside at the seal chamber, it sets up the inside at solid fixed ring to drive the post.
As a further improvement of the technical scheme, the thread strips are in threaded connection with the thread grooves, one end of the driving column penetrates through the fixing ring and the holding plate, and a plurality of holding rods are fixedly connected with the holding plate in an annular arrangement mode on the side portion of the outer ring of the holding plate.
As a further improvement of the technical scheme, one end of the measuring shell is inserted in the inserting cavity, the sliding strip is inserted in the sliding groove, a plurality of inserting column cavities are symmetrically formed in the left side and the right side of one side of the measuring shell, a plurality of inserting columns matched with the inserting column cavities are fixedly connected to the side wall, close to the inside, of the inserting cavity in a bilateral symmetry mode, and the inserting columns are inserted in the inserting column cavities.
As a further improvement of the technical scheme, the counter is arranged in the counter placing cavity, the rotating shaft of the counter is in rolling connection with the side wall of the counter placing cavity, and the belt pulley are arranged in the transmission cavity.
As a further improvement of the technical scheme, the water inlet is connected with the water inlet cavity of the sealed cavity, and the water outlet is connected with one end of the plug cavity connecting cavity.
As a further improvement of the technical scheme, the water-crossing impeller is arranged in the impeller placing cavity, and two ends of the rotating shaft are respectively connected to the side walls of the impeller placing cavity and the transmission cavity in a rolling manner.
As a further improvement of the technical scheme, the position of the measuring shell close to the middle part is fixedly connected with a positioning plate, the positioning plate is in close contact with one side of the inserting cavity, positioning screws are symmetrically arranged on the upper portion and the lower portion of the side wall of the positioning plate, the positioning screws penetrate through the positioning plate and are connected to the valve body, a socket is formed in one side of the bearing pipe, and one side of the measuring device is arranged in the socket.
Compared with the prior art, the invention has the beneficial effects that:
1. in this rotary piston positive displacement water gauge, two cavities are cut apart into with the inside of connecting pipe to the baffle that sets up, installs at the inside back of connecting pipe at the valve post, and rubber seal board and sealed outstanding strip and baffle are closely laminated, make the water in the connecting pipe enter into the valve body from the inlet opening, make the device be convenient for calculate the volume of water.
2. Among this rotary piston positive displacement water gauge, the measuring device that can dismantle that sets up is after measuring device long-time use, and the flow velocity of water slows down in the device, only needs to change measuring device on the valve post, and measuring device that changes new avoids the inside measuring mechanism of measuring device to grow debris because long-time in aqueous, influences the flow velocity of water, influences the problem of resident's water simultaneously.
3. In the rotary piston positive displacement water meter, a measuring mechanism is arranged to drive a water-crossing impeller to rotate when water passes through a water-passing cavity, and a rotating shaft on a counter is driven by a belt, so that the numerical value on the counter is changed, and the volume of flowing water is convenient to calculate.
4. In the rotary piston positive displacement water meter, the sealing device arranged on the valve post controls water in the device, the sealing device moves in the sealing cavity by rotating the holding plate, and the water inlet cavity and the water outlet cavity of the sealing cavity are blocked to control the flow of the water in the device.
Drawings
FIG. 1 is a schematic view of the overall structure of embodiment 1;
FIG. 2 is an overall sectional structural view of embodiment 1;
FIG. 3 is a schematic view showing a structure of a connecting pipe according to embodiment 1;
FIG. 4 is a schematic view of a spool structure according to embodiment 1;
FIG. 5 is a schematic sectional view showing the spool in accordance with embodiment 1;
FIG. 6 is a schematic view of the structure of a measuring apparatus according to embodiment 1;
FIG. 7 is one of schematic cross-sectional structural views of the measuring apparatus according to embodiment 1;
FIG. 8 is one of schematic cross-sectional structural views of the measuring apparatus according to embodiment 1;
FIG. 9 is a schematic view of the structure of the measuring mechanism according to embodiment 1;
fig. 10 is a schematic structural view of a sealing device according to embodiment 1.
The various reference numbers in the figures mean:
1. a connecting pipe; 11. connecting the pipe body; 12. a bearing pipe; 13. a socket; 14. a partition plate; 15. a mounting cavity; 16. a screw;
2. a spool; 21. a valve body; 22. a water inlet cavity; 221. a water inlet hole; 222. the plug cavity is connected with the cavity; 23. inserting a cavity; 231. a chute; 232. inserting a column; 24. sealing the cavity; 241. a water inlet cavity of the sealed cavity; 242. a water outlet cavity of the sealing cavity; 243. a fixing ring; 244. a thread groove; 25. a water outlet cavity; 26. a spacer plate socket; 261. a rubber sealing plate; 262. sealing the protruding strip; 27. a connecting ring; 28. a connecting screw;
3. a measuring device; 31. a measuring shell; 32. positioning a plate; 33. a slide bar; 34. a measuring mechanism; 341. a rotating shaft; 342. a belt pulley; 343. a water-crossing impeller; 344. a belt; 345. a counter; 35. a counter placement chamber; 36. a transmission cavity; 37. a water-running cavity; 371. an impeller placing cavity; 372. a water outlet; 373. a water inlet; 38. a plug cavity; 39. a set screw;
4. a sealing device; 41. driving the column; 42. sealing the ball head; 43. a threaded strip; 44. holding the plate; 45. a holding rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Example 1
Referring to fig. 1-10, a rotary piston volumetric water meter is provided, which includes a connecting pipe 1, a valve rod 2 is disposed inside the connecting pipe 1, a measuring device 3 is disposed on one side of the valve rod 2, and a sealing device 4 is disposed inside the valve rod 2 near the top side;
the connecting pipe 1 comprises a connecting pipe body 11 and a bearing pipe 12 vertically connected to the side wall of the middle part of the connecting pipe body 11, a partition plate 14 is fixedly connected to the middle part of the inner cavity of the connecting pipe body 11 and the bearing pipe 12, and an installation cavity 15 is arranged inside the bearing pipe 12;
when the connecting pipe 1 in this embodiment is used, the pipe and the water pipe at the two ends of the connecting pipe body 11 are connected through the screw 16, so that water in the test tube enters the connecting pipe body 11, the water entering the connecting pipe body 11 is blocked by the partition plate 14, the water enters the water inlet cavity 22 through the water inlet hole 221, and the measuring device 3 mounted on the valve column 2 can measure the volume of the water conveniently.
The valve column 2 comprises a valve body 21, a position, close to the middle, of the bottom side of the valve body 21 is provided with a partition plate socket 26 penetrating through the front side and the rear side of the valve body 21, a water inlet cavity 22 is formed in one side of the partition plate socket 26, close to the bottom of the valve body 21, the bottom of the water inlet cavity 22 is provided with a plurality of water inlet holes 221, an insertion cavity 23 is arranged on the upper side of the water inlet cavity 22, a water outlet cavity 25 penetrating through the side wall of the bottom of the valve body 21 is formed in the other side of the partition plate socket 26, a sealing cavity 24 is formed in the position, close to the middle, of the upper sides of the insertion cavity 23 and the water outlet cavity 25, the sealing cavity 24 is connected with the insertion cavity 23 through a sealing cavity water inlet cavity 241, the sealing cavity 24 is connected with the water outlet cavity 25 through a sealing cavity 242, the water inlet cavity 22;
when the valve column 2 in this embodiment is used, water entering the inlet cavity 22 enters the plug cavity 23 through the plug cavity connecting cavity 222 and enters the sealed cavity inlet cavity 241 through the measuring device 3 installed in the plug cavity 23, water entering the sealed cavity inlet cavity 241 enters the outlet cavity 25 through the sealed cavity 24 and the sealed cavity outlet cavity 242, and water entering the outlet cavity 25 flows into the other end of the connecting pipe body 11 along the passage of the outlet cavity 25 and flows away from the connecting pipe body 11, so that water measured by the measuring device 3 is sent back to the connecting pipe body 11.
The measuring device 3 comprises a measuring shell 31 and a measuring mechanism 34 arranged inside the measuring shell 31, sliding strips 33 are fixedly connected to the left and right sides of the upper surface and the lower surface of the measuring shell 31 in a bilateral symmetry mode, a water flowing cavity 37 is formed in the measuring shell 31, the water flowing cavity 37 comprises a cylindrical impeller placing cavity 371, a water inlet 373 penetrating through the side wall of the measuring shell 31 is formed in the upper end of the impeller placing cavity 371, a water outlet 372 penetrating through the side wall of the measuring shell 31 is formed in the lower end of the impeller placing cavity 371, the measuring mechanism 34 comprises a rotating shaft 341, a water flowing impeller 343 is fixedly connected to the rotating shaft 341, a belt pulley 342 is fixedly connected to one end of the rotating shaft 341, a counter 345 is arranged on one side of the rotating shaft 341, a belt 344 is sleeved on the rotating shaft of the counter 345 and the outer ring of the belt pulley 342, a transmission cavity 36 is formed in one;
when the measuring device 3 in this embodiment is used, water entering the insert cavity 23 through the insert cavity connecting cavity 222 flows into the impeller placing cavity 371 through the water outlet 372, the water entering the impeller placing cavity 371 pushes the blades on the water transfer impeller 343 to move, the blades on the water transfer impeller 343 which moves drive the rotating shaft 341 to rotate in the water passing cavity 37, the rotating water transfer impeller 343 sends water to the water inlet 373 and enters the sealed cavity water inlet cavity 241 through the water inlet 373, the rotating shaft 341 drives the belt pulley 342 to rotate in the transmission cavity 36, the rotating belt pulley 342 drives the belt 344 to rotate and move, the belt 344 drives the rotating shaft on the counter 345 to rotate, the value on the counter 345 changes, and the value of the water passing through the water passing cavity 37 is calculated.
The counter 345 in this embodiment is a rotary counter D-70.
The sealing device 4 comprises a driving column 41, a spherical sealing ball 42 is fixedly connected to the bottom of the driving column 41, and a threaded strip 43 is fixedly connected to one end, far away from the sealing ball 42, of the driving column 41.
When the sealing device 4 in this embodiment is used, the holding plate 44 is held and rotated, so that the holding plate 44 drives the driving post 41 to rotate, the rotating driving post 41 drives the sealing ball 42 to move, the sealing cavity 24 is sealed and opened, and the flow of water in the device is controlled.
Furthermore, the valve column 2 is inserted into the receiving pipe 12 through the mounting cavity 15, the partition plate 14 is inserted into the partition plate insertion opening 26, the rubber sealing plate 261 is in close contact with the partition plate 14, the upper end of the rubber sealing plate 261 is fixedly connected with the sealing protruding strip 262 extending inwards, the sealing protruding strip 262 and the partition plate 14 are closely attached, the partition plate 14 is inserted into the partition plate insertion opening 26, water in the connecting pipe body 11 enters the valve column 2, meanwhile, the rubber sealing plate 261 and the sealing protruding strip 262 seal a gap between the partition plate 14 and the partition plate insertion opening 26, and the water is prevented from flowing away from the gap between the partition plate 14 and the partition plate insertion opening 26.
Specifically, a connecting ring 27 is fixedly connected to the side wall of the valve body 21 close to the top and the top of the adapting pipe 12, the two connecting rings 27 are connected through a plurality of connecting screws 28 which are annularly arranged, a plurality of screws 16 are annularly arranged at the two ends of the connecting pipe body 11, the mounting cavity 15 and the connecting rings 27 on the valve body 21 are connected together through the connecting screws 28, and the position of the valve column 2 on the connecting pipe 1 is fixed.
Besides, the top fixedly connected with of valve body 21 and the solid fixed ring 243 that sealed chamber 24 is connected, be equipped with thread groove 244 on the inner wall of solid fixed ring 243, sealed bulb 42 sets up the inside at sealed chamber 24, it sets up the inside at solid fixed ring 243 to drive post 41, thread bar 43 and thread groove 244 threaded connection, the one end that drives post 41 runs through solid fixed ring 243 and fixedly connected with grip plate 44, a plurality of grip levers 45 of fixedly connected with are arranged to the annular on the outer lane lateral part of grip plate 44, be convenient for place sealing device 4, make the flow of the water in sealing chamber 24 of sealing device 4 control.
Furthermore, one end of the measuring shell 31 is inserted in the inserting cavity 23, the slide bar 33 is inserted in the sliding groove 231, a plurality of inserting column cavities 38 are symmetrically arranged on one side of the measuring shell 31 in the left-right direction, a plurality of inserting columns 232 matched with the inserting column cavities 38 are fixedly connected to the side wall of the inserting cavity 23 close to the inside in the left-right direction in a bilateral symmetry mode, the inserting columns 232 are inserted in the inserting column cavities 38 in the inserting column cavity 38 in the inserting mode, the position of the measuring device 3 in the inserting cavity 23 is fixed, and the measuring device 3 is fixed on one side of the valve body 21.
Specifically, the counter 345 is arranged inside the counter placing cavity 35, the rotating shaft of the counter 345 is connected to the side wall of the counter placing cavity 35 in a rolling manner, the belt 344 and the belt pulley 342 are arranged inside the transmission cavity 36, the water crossing impeller 343 is arranged inside the impeller placing cavity 371, two ends of the rotating shaft 341 are respectively connected to the side wall of the impeller placing cavity 371 and the transmission cavity 36 in a rolling manner, the water inlet 373 is connected with the sealed cavity water inlet cavity 241, the water outlet 372 is connected with one end of the inserting cavity connecting cavity 222, water enters the impeller placing cavity 371 through the water outlet 372, the water crossing impeller 343 is pushed to rotate in the impeller placing cavity 371, and the measuring mechanism 34 is convenient to measure the flow of the water passing through the valve post 2.
Furthermore, a positioning plate 32 is fixedly connected to a position of the measuring shell 31 close to the middle, the positioning plate 32 is in close contact with one side of the plug cavity 23, positioning screws 39 are symmetrically arranged on the upper and lower sides of the side wall of the positioning plate 32, the positioning screws 39 penetrate through the positioning plate 32 and are connected to the valve body 21, a plug 13 is arranged on one side of the adapting pipe 12, one side of the measuring device 3 is arranged in the plug 13, the measuring device 3 is fixed on one side of the valve body 21, and meanwhile the plug 13 is arranged on the adapting pipe 12, so that the measuring device 3 can be placed conveniently.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. A rotary piston positive displacement water meter comprising a connecting pipe (1), characterized in that: a valve column (2) is arranged in the connecting pipe (1), a measuring device (3) is arranged on one side of the valve column (2), and a sealing device (4) is arranged in the valve column (2) close to the top side;
the connecting pipe (1) comprises a connecting pipe body (11) and a bearing pipe (12) vertically connected to the side wall of the middle part of the connecting pipe body (11), a partition plate (14) is fixedly connected to the middle parts of inner cavities of the connecting pipe body (11) and the bearing pipe (12), and an installation cavity (15) is arranged inside the bearing pipe (12);
the valve column (2) comprises a valve body (21), a position, close to the middle part, of the bottom side of the valve body (21) is provided with a partition plate socket (26) penetrating through the front side and the rear side of the valve body (21), the bottom, close to the valve body (21), of one side of the partition plate socket (26) is provided with a water inlet cavity (22), the bottom of the water inlet cavity (22) is provided with a plurality of water inlet holes (221), the upper side of the water inlet cavity (22) is provided with an inserting cavity (23), the other side of the partition plate socket (26) is provided with a water outlet cavity (25) penetrating through the bottom side wall of the valve body (21), the positions, close to the middle part, of the upper sides of the inserting cavity (23) and the water outlet cavity (25) are provided with a sealing cavity (24), the sealing cavity (24) and the inserting cavity (23) are connected through a sealing cavity water inlet cavity (241, the water inlet cavity (22) is connected with the insert cavity (23) through an insert cavity connecting cavity (222), the left side wall and the right side wall of the partition plate inserting opening (26) are fixedly connected with rubber sealing plates (261), and the upper side wall and the lower side wall of the insert cavity (23) are symmetrically provided with sliding grooves (231) in the left-right direction;
the measuring device (3) comprises a measuring shell (31) and a measuring mechanism (34) arranged inside the measuring shell (31), sliding strips (33) are fixedly connected to the left and right sides of the upper surface and the lower surface of the measuring shell (31) in a bilaterally symmetrical mode, a water running cavity (37) is formed in the measuring shell (31), the water running cavity (37) comprises a cylindrical impeller placing cavity (371), a water inlet (373) penetrating through the side wall of the measuring shell (31) is formed in the upper end of the impeller placing cavity (371), a water outlet (372) penetrating through the side wall of the measuring shell (31) is formed in the lower end of the impeller placing cavity (371), the measuring mechanism (34) comprises a rotating shaft (341), a water passing impeller (343) is fixedly connected to the rotating shaft (341), a belt pulley (342) is fixedly connected to one end of the rotating shaft (341), and a counter (345) is arranged on one side of the, a belt (344) is sleeved and connected on a rotating shaft of the counter (345) and an outer ring of the belt pulley (342), a transmission cavity (36) is formed in one side of the water flowing cavity (37), and a square counter placing cavity (35) is formed in one side of the measuring shell (31);
sealing device (4) is including driving post (41), the bottom fixedly connected with one end that drives post (41) is spherical sealing bulb (42), drive one end fixedly connected with thread strip (43) that sealing bulb (42) were kept away from to post (41).
2. A rotary piston positive displacement water meter as claimed in claim 1, wherein: the valve column (2) is inserted into the bearing pipe (12) through the mounting cavity (15), the partition plate (14) is inserted into the partition plate insertion opening (26), the rubber sealing plate (261) is tightly contacted with the partition plate (14), the upper end of the rubber sealing plate (261) is fixedly connected with an inward extending sealing protruding strip (262), and the sealing protruding strip (262) and the partition plate (14) are tightly attached.
3. A rotary piston positive displacement water meter as claimed in claim 1, wherein: the side wall of the valve body (21) close to the top and the top of the adapting pipe (12) are fixedly connected with connecting rings (27), the two connecting rings (27) are connected through a plurality of connecting screws (28) which are annularly arranged, and a plurality of screws (16) are annularly arranged at two ends of the connecting pipe body (11).
4. A rotary piston positive displacement water meter as claimed in claim 1, wherein: the top fixedly connected with of valve body (21) and the solid fixed ring (243) that sealed chamber (24) are connected, be equipped with thread groove (244) on the inner wall of solid fixed ring (243), sealed bulb (42) set up the inside in sealed chamber (24), drive post (41) and set up the inside at solid fixed ring (243).
5. A rotary piston positive displacement water meter as claimed in claim 4, wherein: the thread strip (43) is in threaded connection with the thread groove (244), one end of the driving column (41) penetrates through the fixing ring (243) and is fixedly connected with the holding plate (44), and a plurality of holding rods (45) are arranged on the side portion of the outer ring of the holding plate (44) in an annular mode.
6. A rotary piston positive displacement water meter in accordance with claim 5, wherein: one end of the measuring shell (31) is inserted in the inserting cavity (23), the sliding strip (33) is inserted in the sliding groove (231), a plurality of inserting column cavities (38) are symmetrically formed in the left side and the right side of one side of the measuring shell (31), a plurality of inserting columns (232) matched with the inserting column cavities (38) are fixedly connected to the side wall, close to the inner portion, of the inserting cavity (23) in a bilateral symmetry mode, and the inserting columns (232) are inserted in the inserting column cavities (38) in an inserting mode.
7. A rotary piston positive displacement water meter as claimed in claim 1, wherein: measure shell (31) and be close to position fixedly connected with locating plate (32) at middle part, locating plate (32) and one side in close contact with of inserting chamber (23), the lateral wall longitudinal symmetry of locating plate (32) is equipped with set screw (39), set screw (39) run through locating plate (32) and connect on valve body (21), socket (13) have been seted up to one side of adapting pipe (12), one side setting of measuring device (3) is in socket (13).
8. A rotary piston positive displacement water meter as claimed in claim 1, wherein: the counter (345) is arranged inside the counter placing cavity (35), the rotating shaft of the counter (345) is in rolling connection with the side wall of the counter placing cavity (35), and the belt (344) and the belt pulley (342) are arranged inside the transmission cavity (36).
9. A rotary piston positive displacement water meter as claimed in claim 1, wherein: the water inlet (373) is connected with the sealed cavity water inlet cavity (241), and the water outlet (372) is connected with one end of the plug cavity connecting cavity (222).
10. A rotary piston positive displacement water meter as claimed in claim 1, wherein: the water-crossing impeller (343) is arranged in the impeller placing cavity (371), and two ends of the rotating shaft (341) are respectively connected to the side walls of the impeller placing cavity (371) and the transmission cavity (36) in a rolling manner.
CN202011037498.0A 2020-09-28 2020-09-28 Rotary piston positive displacement water meter Active CN112179433B (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB629331A (en) * 1947-05-08 1949-09-16 Hydraulic Recording Instr Ltd Improvements in or relating to rotary water meters
CN204963913U (en) * 2015-09-17 2016-01-13 张正玺 On vertical type water meter of intaking
CN206540582U (en) * 2017-03-10 2017-10-03 三川智慧科技股份有限公司 A kind of valve control Internet of Things water meter
CN208458821U (en) * 2018-08-09 2019-02-01 河北富越化工科技有限公司 A kind of flowmeter of replacement easy to disassemble
CN209894263U (en) * 2019-06-19 2020-01-03 山东辰智电子科技有限公司 LoRa teletransmission water gauge
CN210135964U (en) * 2019-08-21 2020-03-10 威海君沛智能科技有限公司 Household detachable vertical water meter
WO2020071945A1 (en) * 2018-10-03 2020-04-09 Вавиют Интегрейтед Системс Ллк Electronic tachymetric sensor for measuring the flow rate of liquid and gas
CN111024171A (en) * 2019-12-31 2020-04-17 福建上润精密仪器有限公司 Base meter of positive displacement intelligent water meter

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB629331A (en) * 1947-05-08 1949-09-16 Hydraulic Recording Instr Ltd Improvements in or relating to rotary water meters
CN204963913U (en) * 2015-09-17 2016-01-13 张正玺 On vertical type water meter of intaking
CN206540582U (en) * 2017-03-10 2017-10-03 三川智慧科技股份有限公司 A kind of valve control Internet of Things water meter
CN208458821U (en) * 2018-08-09 2019-02-01 河北富越化工科技有限公司 A kind of flowmeter of replacement easy to disassemble
WO2020071945A1 (en) * 2018-10-03 2020-04-09 Вавиют Интегрейтед Системс Ллк Electronic tachymetric sensor for measuring the flow rate of liquid and gas
CN209894263U (en) * 2019-06-19 2020-01-03 山东辰智电子科技有限公司 LoRa teletransmission water gauge
CN210135964U (en) * 2019-08-21 2020-03-10 威海君沛智能科技有限公司 Household detachable vertical water meter
CN111024171A (en) * 2019-12-31 2020-04-17 福建上润精密仪器有限公司 Base meter of positive displacement intelligent water meter

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