CN221223906U - High-precision positive displacement water meter - Google Patents

Abstract

The utility model provides a high-precision positive-displacement water meter, which relates to the technical field of positive-displacement water meters and comprises: the device comprises a square connecting pipeline, wherein two ends of the square connecting pipeline are connected with threaded connecting pipes, and soft rubber rings are sleeved on the surfaces of the threaded connecting pipes. According to the utility model, the counter is used for recording the rotation number of the rotating shaft, the counter is used for converting the rotation number recorded by the counter into the water consumption and transmitting the water consumption to the digital meter for displaying, the water consumption is recorded, the water hammer phenomenon can be caused when the water is continuously turned on and off, the caliber of the water pipe is smaller than that of the connecting threaded pipe, most of the water hammer acts on two sides of the connecting square pipeline, the impact force of the water hammer on the impeller is greatly reduced, the accuracy and the service life of the device are improved, when water scale cleaning is needed for maintenance, the fixed sleeve is held by a hand, the threaded cylinder is rotationally taken down, then the rotating shaft is pulled up by the hand, and then the fixed sleeve is taken down by the rotation of the counter, so that quick disassembly is realized.

Description

High-precision positive displacement water meter

Technical Field

The utility model relates to the technical field of volumetric water meters, in particular to a high-precision volumetric water meter.

Background

The working principle of the volumetric water meter is that under the action of water pressure, water enters the measuring chamber from the water inlet at the lower part, the rotary piston is pushed to rotate around the central shaft of the measuring chamber, meanwhile, the water is discharged from the hollow part in the piston and the hollow part formed by the piston and the wall surface of the measuring chamber to the water outlet at the upper part, and the rotary shaft is connected with the counting mechanism while the piston rotates, so that the volume flowing through the water meter can be calculated as long as the number of times of the rotation of the piston is recorded.

In the prior art, for example, the Chinese patent number is: CN216348889U discloses a high-precision volumetric water meter, comprising: a housing; the connecting seats are fixedly connected to two ends of the shell; the filter shell is arranged between the shell and one connecting seat; and the pipeline is connected to one end of the connecting seat. According to the utility model, when the pipeline is connected, the pipeline is inserted into the connecting groove through the connecting mechanism, the fixed block slides in the limiting groove until the fixed block enters the fixed groove, the limiting block resets, the limiting groove is shielded, the fixed block cannot enter the limiting groove, so that the pipeline is fixed, when the pipeline is removed, the connecting column is pushed to displace, the connecting column displaces to drive the limiting block to move out of the limiting groove, shielding of the limiting groove is canceled, the fixed block displaces to enter the limiting groove, and the fixed block displaces out of the limiting groove, so that the pipeline is convenient to install and remove rapidly.

When the domestic water is continuously turned on and off, the number of times of water hammer phenomenon is very high, the water hammer phenomenon can impact the volumetric water meter impeller, after long-time use, the impeller deforms to influence the precision, the influence of the water hammer phenomenon on the precision of the device is ignored in the patent, on the other hand, water flow is flushed down for a long time, scale is easily condensed at the detail inside the device, and the device is inconvenient to detach parts inside the device, and cleaning and maintenance are inconvenient to carry out.

Disclosure of utility model

The utility model aims to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: a high precision positive displacement water meter comprising: connect square pipeline, connect the both ends of square pipeline all to be connected with the connection screwed pipe, two the equal cover in surface of connection screwed pipe is equipped with soft rubber ring, two the equal thread bush in the other end of connection screwed pipe is equipped with flange, the top screw thread of connecting square pipeline is inlayed and is equipped with the axis of rotation subassembly, the top threaded connection of axis of rotation subassembly has the meter, one side of meter inlays and is equipped with digit table, record display screen, the internally mounted of connection square pipeline has the measurement subassembly, the surface of measurement subassembly inlays and is equipped with two drive assembly.

As a preferred implementation mode, the rotation shaft assembly comprises a fixing sleeve, the bottom end of the fixing sleeve is connected with a thread cylinder, the thread cylinder is embedded in the top end of a square connecting pipeline in a threaded mode, the rotation shaft is connected to the inside of the thread cylinder through a bearing, a plurality of positioning columns are connected to the surface of the top end of the rotation shaft, a limiting block is connected to the bottom end of the rotation shaft, and a bevel gear I is sleeved on the surface of the rotation shaft.

As a preferred implementation mode, the bottom of the meter is connected with a fixed thread cylinder, the fixed thread cylinder is in threaded embedding in the fixed sleeve, a counter is arranged in the meter, a plurality of positioning grooves are formed in the output end of the counter, and a plurality of positioning columns are respectively and movably embedded in the positioning grooves.

As a preferred implementation mode, the metering component comprises a body, a first bearing is embedded in the bottom end of the body, a butt joint rotating shaft is connected to the inner side of the first bearing, a second bearing is sleeved on the bottom end of the butt joint rotating shaft, the second bearing is embedded in the bottom end of an inner cavity of a connecting square pipeline, a second bevel gear is sleeved on the surface of the butt joint rotating shaft, a limit groove is formed in the top end of the butt joint rotating shaft, a cover plate is movably mounted at the top end opening of the body, a third bearing is embedded in the surface of the cover plate, and the surface of the rotating shaft is connected to the inner side of the third bearing.

As a preferred implementation mode, the two transmission components comprise water pipes, the two water pipes are embedded on the surface of the body, the other ends of the two water pipes are respectively embedded on two sides of the square connecting pipeline, and the other ends of the two water pipes are respectively positioned in the two connecting threaded pipes.

As a preferred implementation mode, the inside of two the water pipes is connected with cross fixed plates, the inside of two the cross fixed plates is embedded with a bearing IV, the inside of the bearing IV is connected with a transmission shaft, the surface of the transmission shaft is fixedly sleeved with an impeller, the other end of the transmission shaft is connected with a bevel gear III, one bevel gear III is meshed with a bevel gear II, and the other bevel gear III is meshed with a bevel gear I.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. When the water hammer type water hammer is used, an external water pipe is connected to one end of two connecting flanges, then the metering device is connected with an external power supply, then the water hammer is caused when the metering device is opened and discharged, the water flows through the inside of the water pipe to drive the impeller to rotate, the bevel gear III is driven to rotate through the meshing connection of the bevel gear III and the bevel gear II, the butt joint rotating shaft is driven to rotate through the meshing connection of the bevel gear III and the bevel gear II, the limiting block is embedded in the limiting groove to drive the rotating shaft to rotate, the other impeller is driven to rotate through the meshing connection of the bevel gear I and the bevel gear II to convey the water flow, meanwhile, the metering device converts the number of turns recorded by the metering device into the water consumption and transmits the water consumption to the digital meter for displaying, the water consumption is recorded, the water hammer is caused when the water consumption is continuously opened and discharged, the water hammer is mostly acts on two sides of the connecting square pipe through the arrangement, the impact force of the water hammer on the impeller is greatly reduced, and the accuracy and the service life of the device are prolonged.

2. According to the utility model, after the device is used for a period of time, the inside of the device is required to be cleaned for maintenance, at the moment, the fixed sleeve is held by hand, the threaded cylinder is rotationally taken down, then the rotary shaft is pulled up by the hand-held meter, then the meter is rotated, the fixed sleeve is taken down, through the arrangement, the internal parts of the device are convenient to detach, the cleaning of the scale is convenient, and the internal parts of the device are maintained.

Drawings

FIG. 1 is a schematic perspective view of a high-precision volumetric water meter according to the present utility model;

FIG. 2 is a schematic diagram of the internal structure of a high-precision volumetric water meter according to the present utility model;

FIG. 3 is a schematic view of a rotating shaft structure of a high-precision volumetric water meter according to the present utility model;

FIG. 4 is a schematic diagram of a counter structure of a high-precision positive-displacement water meter according to the present utility model;

FIG. 5 is a schematic diagram of a metering assembly of a high-precision volumetric water meter according to the present utility model;

FIG. 6 is a schematic diagram of a transmission assembly of a high-precision volumetric water meter according to the present utility model;

FIG. 7 is a top view of a rotating shaft of a high-precision positive-displacement water meter provided by the utility model;

fig. 8 is a split view of a high-precision volumetric water meter according to the present utility model.

Legend description:

1. Connecting square pipelines; 2. connecting a threaded pipe; 3. a soft rubber ring; 4. a connecting flange; 5. a rotating shaft assembly; 501. a fixed sleeve; 502. a thread cylinder; 503. a rotating shaft; 504. positioning columns; 505. a limiting block; 506. bevel gears I; 6. a meter; 601. fixing a threaded cylinder; 602. a counter; 603. a positioning groove; 7. a digital table; 701. recording a display screen; 8. a metering assembly; 801. a body; 802. a first bearing; 803. a butt joint rotating shaft; 8031. a second bearing; 804. bevel gears II; 805. a limit groove; 806. a cover plate; 807. a third bearing; 9. a transmission assembly; 901. a water pipe; 902. a cross fixing plate; 903. a bearing IV; 904. a transmission shaft; 905. an impeller; 906. and a bevel gear III.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-8, the present utility model provides a technical solution: a high precision positive displacement water meter comprising: connect square pipeline 1, connect square pipeline 1's both ends all to be connected with connect screwed pipe 2, the surface of two connect screwed pipes 2 all overlaps and is equipped with soft rubber ring 3, the equal thread bush in the other end of two connect screwed pipes 2 is equipped with flange 4, connect square pipeline 1's top screw thread and inlay and be equipped with axis of rotation subassembly 5, axis of rotation subassembly 5's top threaded connection has meter 6, meter 6's one side is inlayed and is equipped with digit table 7, record display 701, connect square pipeline 1's internally mounted and have metering assembly 8, metering assembly 8's surface is inlayed and is equipped with two drive assembly 9.

Specific: the soft rubber ring 3 increases the tightness of the connection of the connecting threaded pipe 2 and the connecting flange 4, the connecting flange 4 is used for connecting an external water pipe, the metering instrument 6 is used for counting the water consumption, the digital meter 7 is used for displaying the water consumption of the current month, and the recording display screen 701 is used for recording and displaying the water consumption of the current season.

In one embodiment, the rotating shaft assembly 5 comprises a fixed sleeve 501, a threaded cylinder 502 is connected to the bottom end of the fixed sleeve 501, the threaded cylinder 502 is in threaded embedding with the top end of the square connecting pipeline 1, a rotating shaft 503 is connected to the inside of the threaded cylinder 502 through a bearing, a plurality of positioning posts 504 are connected to the surface of the top end of the rotating shaft 503, a limiting block 505 is connected to the bottom end of the rotating shaft 503, and a bevel gear 506 is sleeved on the surface of the rotating shaft 503.

Specific: the fixed sleeve 501 is screwed with the fixed screw cylinder 601 to serve as the fixed gauge 6.

In one embodiment, the bottom end of the meter 6 is connected with a fixed threaded cylinder 601, the fixed threaded cylinder 601 is screwed into the fixed sleeve 501, the counter 602 is installed in the meter 6, the output end of the counter 602 is provided with a plurality of positioning grooves 603, and the plurality of positioning columns 504 are respectively movably embedded into the plurality of positioning grooves 603.

Specific: the counter 602 counts the water consumption by recording the rotation number of the rotating shaft 503, and the counter 6 converts the rotation number recorded by the counter 602 into the water consumption and transmits the water consumption to the digital meter 7 for display.

In one embodiment, the metering assembly 8 comprises a body 801, a first bearing 802 is embedded at the bottom end of the body 801, a butting rotating shaft 803 is connected to the inner side of the first bearing 802, a second bearing 8031 is sleeved at the bottom end of the butting rotating shaft 803, the second bearing 8031 is embedded at the bottom end of an inner cavity of the connecting square pipeline 1, a second bevel gear 804 is sleeved on the surface of the butting rotating shaft 803, a limit groove 805 is formed in the top end of the butting rotating shaft 803, a cover plate 806 is movably mounted at the top end opening of the body 801, a third bearing 807 is embedded on the surface of the cover plate 806, and the surface of the rotating shaft 503 is connected to the inner side of the third bearing 807.

Specific: water flows into the body 801 through the transmission assembly 9, the butt joint rotating shaft 803 is driven to rotate through the meshing connection of the bevel gears III 906 and the bevel gears II 804, the limiting block 505 is embedded into the limiting groove 805, so that the rotating shaft 503 is driven to rotate, the other impeller 905 is driven to rotate through the meshing connection of the bevel gears I506 and the bevel gears III 906 to convey water flow, the caliber of the threaded cylinder 502 is slightly larger than that of the cover plate 806, the rotating shaft 503 is conveniently taken out of the device, the cover plate 806 is connected with the opening at the top end of the body 801 through the soft rubber ring at the bottom end of the cover plate 806 to increase tightness, water leakage is prevented, and when the fixed threaded cylinder 601 is embedded into the fixed sleeve 501 in a threaded manner, downward pressure is given to the cover plate 806, and the cover plate 806 is prevented from falling off due to water pressure in the body 801.

In one embodiment, the two transmission assemblies 9 each include a water pipe 901, the two water pipes 901 are embedded on the surface of the body 801, the other ends of the two water pipes 901 are respectively embedded on two sides of the square connecting pipeline 1, and the other ends of the two water pipes 901 are respectively located inside the two connecting threaded pipes 2.

Specific: the caliber of the water pipe 901 is smaller than that of the connecting threaded pipe 2, when the valve is opened and closed to cause the water hammer phenomenon, most of the water hammer acts on the two sides of the connecting square pipeline 1, so that the impact force of the water hammer on the impeller 905 is greatly reduced, and the service life of the device is prolonged.

In one embodiment, the inside of two water pipes 901 is connected with cross fixed plate 902, the inside of two cross fixed plates 902 is embedded with bearing four 903, the inside of two bearing four 903 is connected with transmission shaft 904, the fixed cover in surface of two transmission shafts 904 is equipped with impeller 905, the other end of two transmission shafts 904 is connected with bevel gear three 906, one bevel gear three 906 is connected with bevel gear two 804 in a meshing way, and another bevel gear three 906 is connected with bevel gear one 506 in a meshing way.

Specific: the water flows through the water pipe 901 to drive the impeller 905 to rotate, so that the transmission shaft 904 drives the bevel gear III 906 to rotate.

Working principle: when the water hammer type water meter is used, an external water pipe is connected to one end of two connecting flanges 4, then a metering device 6 is connected with an external power supply, then a gate is opened to discharge water, water flows through the inside of a water pipe 901 to drive an impeller 905 to rotate, so that a bevel gear III 906 is driven by a transmission shaft 904 to rotate, a butt joint rotating shaft 803 is driven by the meshing connection of the bevel gear III 906 and a bevel gear II 804, a limiting block 505 is embedded in a limiting groove 805, so that the rotating shaft 503 is driven to rotate, the bevel gear I506 is meshed with the bevel gear II 906 to drive the other impeller 905 to rotate so as to convey water flow, meanwhile, the metering device 602 records the rotation number of the rotating shaft 503, the metering device 6 converts the number of turns recorded by the metering device 602 into water consumption and transmits the water consumption to a digital meter 7 to display, the water consumption is recorded, when the water is used for non-stop switching, the water hammer phenomenon is caused, the water pipe 901 is smaller than the connecting threaded pipe 2, the water hammer mostly acts on two sides of the connecting square pipe 1, the impact force of the water hammer to the impeller 905 is greatly reduced, and the accuracy and the service life of the device is prolonged; after a period of use, the inside incrustation scale of cleaning of device is maintained, and at this moment, handheld fixed sleeve 501, rotatory screw section of thick bamboo 502 of taking off, then handheld meter 6 upwards pulls out axis of rotation 503, then rotatory meter 6 takes off fixed sleeve 501, through such setting, convenient to detach device internals, the incrustation scale of cleaning of being convenient for maintains device internals.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims (6)

1. A high precision positive displacement water meter, comprising: connect square pipeline (1), the both ends of connecting square pipeline (1) all are connected with connection screwed pipe (2), two the equal cover in surface of connection screwed pipe (2) is equipped with soft rubber ring (3), two the equal thread bush in the other end of connection screwed pipe (2) is equipped with flange (4), the top screw thread of connecting square pipeline (1) is inlayed and is equipped with axis of rotation subassembly (5), the top screw thread of axis of rotation subassembly (5) is connected with meter (6), one side of meter (6) is inlayed and is equipped with digit table (7), record display screen (701), the internally mounted of connecting square pipeline (1) has metering assembly (8), the surface of metering assembly (8) is inlayed and is equipped with two drive assembly (9).

2. The high-precision positive-displacement water meter of claim 1, wherein: the rotating shaft assembly (5) comprises a fixing sleeve (501), a threaded cylinder (502) is connected to the bottom end of the fixing sleeve (501), the threaded cylinder (502) is in threaded embedding connection with the top end of the square pipeline (1), a rotating shaft (503) is connected to the inside of the threaded cylinder (502) through a bearing, a plurality of positioning columns (504) are connected to the surface of the top end of the rotating shaft (503), a limiting block (505) is connected to the bottom end of the rotating shaft (503), and a bevel gear I (506) is sleeved on the surface of the rotating shaft (503).

3. A high accuracy volumetric water meter according to claim 2, wherein: the bottom of meter (6) is connected with fixed screw thread section of thick bamboo (601), fixed screw thread section of thick bamboo (601) screw thread inlays the inside of establishing in fixed sleeve (501), internally mounted of meter (6) has counter (602), a plurality of constant head tanks (603) have been seted up to the output of counter (602), and a plurality of reference column (504) are respectively movable to be inlayed in the inside of a plurality of constant head tanks (603).

4. A high accuracy volumetric water meter according to claim 2, wherein: the metering assembly (8) comprises a body (801), a first bearing (802) is embedded at the bottom end of the body (801), a third bearing (807) is embedded at the surface of the first bearing (802), a second bearing (8031) is sleeved at the bottom end of the second bearing (8031) and embedded at the bottom end of an inner cavity of the square connecting pipeline (1), a second bevel gear (804) is sleeved on the surface of the second bearing (803), a limit groove (805) is formed in the top end of the second bearing (803), a cover plate (806) is movably mounted at the top end opening of the body (801), a third bearing (807) is embedded on the surface of the cover plate (806), and the surface of the rotating shaft (503) is connected to the inner side of the third bearing (807).

5. The high-precision positive-displacement water meter of claim 1, wherein: the two transmission components (9) comprise water pipes (901), the two water pipes (901) are embedded in the surface of the body (801), the other ends of the two water pipes (901) are embedded in two sides of the square connecting pipeline (1) respectively, and the other ends of the two water pipes (901) are located in two connecting threaded pipes (2) respectively.

6. The high-precision positive-displacement water meter of claim 5, wherein: the inside of two water pipe (901) all is connected with cross fixed plate (902), two the inside of cross fixed plate (902) has all inlayed and has been equipped with four (903) of bearing, two the inboard of four (903) of bearing all is connected with transmission shaft (904), two the fixed cover in surface of transmission shaft (904) is equipped with impeller (905), two the other end of transmission shaft (904) all is connected with bevel gear three (906), one bevel gear three (906) is connected with bevel gear two (804) meshing, another bevel gear three (906) is connected with bevel gear one (506) meshing.