CN219714454U - High-precision constant-speed pipe flowmeter - Google Patents

Abstract

The utility model provides a high-precision constant-speed pipe flowmeter, which relates to the technical field of flowmeters and comprises the following components: the device comprises a main body, wherein an installation shell is arranged on the outer surface of the main body in a threaded manner, a sensing rod is fixedly embedded in the inner wall of the installation shell, a display is fixedly arranged at one end of the sensing rod, a sealing ring is movably arranged on the inner wall of the installation shell, a cleaning structure is arranged on an outer surface bearing of the sensing rod, a gate is fixedly embedded in the main body, and a plurality of rotating shafts are arranged on the inner thread of the gate.

Description

High-precision constant-speed pipe flowmeter

Technical Field

The utility model relates to the technical field of flowmeters, in particular to a high-precision constant-speed pipe flowmeter.

Background

The current high-precision uniform-speed pipe flowmeter is a measuring instrument, and the pressure difference formed between the upstream dynamic pressure and the downstream static pressure of the baffle body is measured by adopting a pitot tube measuring principle, so that the purpose of measuring the flow is achieved.

In the prior art, for example, the Chinese patent number is: the utility model relates to the technical field of flowmeters, and discloses a high-precision uniform-speed pipe flowmeter, which comprises a flowmeter body, wherein two flange plates are symmetrically and fixedly arranged on the outer wall of the flowmeter body, a mounting rod is fixedly arranged on the outer circular wall surface of the flowmeter body, a base is fixedly arranged at the top of the mounting rod, a fixing frame is fixedly arranged at the top of the base, a display is movably arranged in the fixing frame, an inner connecting rod in the fixing frame is pressed downwards, a tooth block II meshed with a tooth block I is separated from the tooth block I, the display is pulled to rotate to an angle convenient to view, the inner connecting rod is loosened, a spring rebounds and drives fixing blocks on two connecting blocks to slide upwards to the original position, at the moment, the tooth block II on the fixing block is meshed with the tooth block I on the outer wall of an external ring, and at the moment, the display is limited and fixed under the mutual matching of the tooth block I and the tooth block II, so that the angle of the display is convenient to adjust to view data on the display by workers.

However, the prior art has the following disadvantages when in use: when sundries exist in the liquid, the sundries are attached to the detection position of the constant-speed pipe flowmeter, and the accuracy of monitoring data can be affected.

Disclosure of Invention

The utility model aims to solve the problem that in the prior art, when sundries exist in liquid, the accuracy of monitoring data can be affected due to the fact that the sundries adhere to the detection position of the constant-speed pipe flowmeter.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: a high-precision constant velocity tube flowmeter, comprising: the device comprises a main body, wherein an installation shell is arranged on the outer surface of the main body in a threaded manner, a sensing rod is fixedly embedded in the inner wall of the installation shell, a display is fixedly arranged at one end of the sensing rod, a sealing ring is movably arranged on the inner wall of the installation shell, a cleaning structure is arranged on an outer surface bearing of the sensing rod, a gate is fixedly embedded in the main body, a plurality of rotating shafts are arranged on the inner threads of the gate, a blocking block is arranged on one end bearing of each rotating shaft, a plurality of blocking blocks are fixedly arranged on the inner portion of the gate at the other end of each rotating shaft, gears are fixedly sleeved on the outer surface of the top of each rotating shaft, and a chain is meshed and connected with the outer surface of each gear.

As a preferred embodiment, one of the rotating shafts penetrates through the gate and extends to the outside, a rotating wheel is fixedly arranged on the outer surface of one of the rotating shafts, and a water outlet is formed in the outer surface of the gate.

The technical effect of adopting the further scheme is as follows: when the device is used, the main body is fixedly arranged in the pipeline through the bolts and nuts, liquid is sensed by the sensing rod through the inside of the main body, data are reflected to the display to be displayed, the installation shell is arranged on the main body in a threaded mode, the device is convenient to overhaul, the working efficiency is improved, the sensing rod is arranged at one end of the inside of the main body and is provided with a cleaning structure, the cleaning structure is composed of two bearings and a plurality of scraping plates, the inner ring of the bearing is fixed on the outer surface of the sensing rod, the scraping plates of the cleaning structure are fixed on the outer ring of the bearing, the liquid flows to drive the scraping plates of the cleaning structure to rotate, the sensing rod is cleaned, sundries are prevented from adhering to the monitoring port of the sensing rod, the data obtained by the uniform-speed pipe flowmeter lose accuracy, the sealing ring is arranged, the liquid is prevented from flowing out, the whole sealing performance of the device is improved, when the sediment is required to be cleaned, the rotating wheel drives the chain to rotate the gear and the rotating shaft, and the rotating shaft is arranged in the gate.

As a preferred embodiment, the sealing sleeve is fixedly arranged in the gate, and two mounting plates are fixedly arranged on the inner wall of the bottom of the main body.

The technical effect of adopting the further scheme is as follows: when the sealing sleeve is used, the sealing sleeve is arranged, gaps between the gate and the blocking block are convenient to reduce, the sealing performance of the main body is improved, and the mounting plate is used for connecting other components.

As a preferred implementation mode, one side of each mounting plate is fixedly connected with an elastic piece, and one end of each elastic piece is fixedly connected with a connecting plate.

The technical effect of adopting the further scheme is as follows: when the connecting plate is used, the connecting plate and the mounting plate are connected into a whole through the arrangement of the elastic piece, so that the connecting plate can be conveniently restored to the original position.

As a preferred embodiment, one ends of the two connecting plates respectively penetrate through the two mounting plates, and a sealing gasket is fixedly arranged on one side of each of the two mounting plates.

The technical effect of adopting the further scheme is as follows: when the sealing gasket is used, one end of the connecting plate penetrates through the mounting plate, so that dislocation is avoided when the connecting plate is displaced, and the sealing gasket is arranged to reduce gaps between the connecting plate and the main body.

As a preferable implementation mode, one side of each sealing pad is movably connected with a porous interface, and one side of each porous interface is fixedly provided with a U-shaped pipe.

The technical effect of adopting the further scheme is as follows: when the U-shaped pipe is used, the U-shaped pipe is connected with the main body through the bolts and the nuts, the porous interface enables the position of the connecting plate to move, and liquid enters the U-shaped pipe through the porous interface.

As a preferable implementation mode, the U-shaped pipe is internally and movably provided with a filter screen, and the outer surfaces of the two porous interfaces are movably sleeved with rubber rings.

The technical effect of adopting the further scheme is as follows: when using, the inside filter screen that is provided with of U-shaped pipe, and the filter screen setting is close to the sensor stick, and the debris in the filtration liquid, and under the influence of gravity, deposit the minimum of U-shaped pipe, prevent debris influence at uniform velocity pipe flowmeter measuring precision, conveniently dismantle the clearance U-shaped pipe simultaneously, circulated use reduce cost, the setting of rubber circle is favorable to reducing the gap of junction, prevents that liquid from flowing out.

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

1. when the utility model is used, one end of the sensing rod in the main body is provided with the cleaning structure, the cleaning structure is composed of two bearings and a plurality of scrapers, the inner ring of the bearing is fixed on the outer surface of the sensing rod, the scrapers are fixed on the outer ring of the bearing, the liquid flows to drive the scrapers of the cleaning structure to rotate, the sensing rod is cleaned, sundries are prevented from adhering to the sensing rod to block a monitoring port, the accuracy of data obtained by a constant-speed pipe flowmeter is prevented from losing, the sealing ring is arranged, liquid is prevented from flowing out, and the integral tightness of equipment is improved.

2. When the utility model is used, the filter screen is arranged in the U-shaped pipe, the filter screen is close to the sensing rod, impurities in liquid are filtered, and the impurities are precipitated to the lowest part of the U-shaped pipe under the influence of gravity, so that the impurities are prevented from affecting the accuracy of the flowmeter of the uniform speed pipe, the U-shaped pipe is convenient to detach and clean, the cost is reduced, the U-shaped pipe can be recycled, and the blocking block is moved away from the water outlet before the U-shaped pipe is detached and cleaned, so that the liquid can circulate from the inside of the main body all the time, and the working efficiency is not affected.

Drawings

FIG. 1 is a schematic diagram of a three-dimensional structure of a constant-speed pipe flowmeter for measuring high accuracy;

FIG. 2 is a schematic diagram of a cross-sectional structure of a high-precision constant-speed pipe flowmeter;

FIG. 3 is a schematic diagram of a partial structure of a constant velocity tube flowmeter for measuring high accuracy;

FIG. 4 is an enlarged view of position A of FIG. 2 of a high-accuracy constant velocity tube flowmeter according to the present utility model;

fig. 5 is an enlarged view of position B of fig. 2 of a high-precision uniform velocity tube flowmeter.

Legend description:

1. a main body; 2. a display; 3. a sensor bar; 4. a mounting shell; 5. a gate; 6. a rotating wheel; 7. a U-shaped tube; 8. cleaning the structure; 9. a seal ring; 10. a filter screen; 11. a porous interface; 12. a blocking block; 13. a rotating shaft; 14. sealing sleeve; 15. a gear; 16. a chain; 17. a mounting plate; 18. an elastic member; 19. a connecting plate; 20. a sealing gasket; 21. a water outlet; 22. a rubber ring.

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. 1-5, the present utility model provides a technical solution: a high-precision constant velocity tube flowmeter, comprising: the main part 1, the mounting shell 4 is installed to the surface screw thread of main part 1, the inner wall fixed embedding of mounting shell 4 has sensor stick 3, the one end fixed mounting of sensor stick 3 has display 2, the inner wall movable mounting of mounting shell 4 has sealing washer 9, the clearance structure 8 is installed to the surface bearing of sensor stick 3, the inside fixed embedding of main part 1 has gate 5, a plurality of axis of rotation 13 are installed to the inside screw thread of gate 5, the one end bearing of a plurality of axis of rotation 13 installs the shutoff piece 12, the other end fixed mounting of a plurality of axis of rotation 13 is on the inside of gate 5, the equal fixed cover in surface at a plurality of axis of rotation 13 tops is equipped with gear 15, the surface meshing of a plurality of gears 15 is connected with chain 16.

As shown in fig. 1 to 5, one of the rotating shafts 13 penetrates through the gate 5 and extends to the outside, the rotating wheel 6 is fixedly mounted on the outer surface of one of the rotating shafts 13, the water outlet 21 is formed on the outer surface of the gate 5, when the device is used, the main body 1 is fixedly mounted in a pipeline through bolts and nuts, liquid is sensed by the sensing rod 3 through the inside of the main body 1, data are reflected to the display 2 for representation, the mounting shell 4 is mounted on the main body 1 in a threaded manner, the dismounting and mounting are convenient during maintenance, the working efficiency is improved, the cleaning structure 8 is formed by two bearings and a plurality of scraping plates at one end of the sensing rod 3 inside the main body 1, the bearing inner ring is fixed on the outer surface of the sensing rod 3, the plurality of scraping plates are fixed on the bearing outer ring, the liquid flows to drive the plurality of scraping plates of the cleaning structure 8 to rotate, the sensing rod 3 is cleaned, sundries are prevented from adhering to the sensing rod 3 to block a monitoring port, the utility model provides a technology for removing a blocking block 12 from a water outlet 21 before disassembling a U-shaped pipe 7, which is convenient for driving the blocking block 12 to move in the gate 5, so as to open and close the water outlet 21 when sundries are blocked at the position where the uniform-speed pipe flowmeter is placed in use, the uniform-speed pipe flowmeter needs to be disassembled to clean sundries, the normal circulation of liquid is influenced, and the normal operation of other equipment is influenced, the liquid can flow from the inside of the main body 1 all the time without influencing the working efficiency.

As shown in fig. 1 to 5, the sealing sleeve 14 is fixedly installed in the gate 5, two mounting plates 17 are fixedly installed on the inner wall of the bottom of the main body 1, and in use, the sealing sleeve 14 is convenient to reduce the gap between the gate 5 and the blocking block 12, improve the tightness of the main body 1, and the mounting plates 17 are used for connecting other components.

As shown in fig. 1-5, one side of each of the two mounting plates 17 is fixedly connected with an elastic member 18, one end of each of the two elastic members 18 is fixedly connected with a connecting plate 19, and when in use, the connecting plates 19 and the mounting plates 17 are connected into a whole by the arrangement of the elastic members 18, so that the connecting plates 19 can be conveniently restored to the original positions.

As shown in fig. 1-5, one end of each of the two connecting plates 19 penetrates through the two mounting plates 17, a sealing gasket 20 is fixedly mounted on one side of each of the two mounting plates 17, and when in use, one end of each connecting plate 19 penetrates through the mounting plates 17, so that the connecting plates 19 are prevented from dislocation during displacement, and the sealing gasket 20 is used for reducing gaps between the connecting plates 19 and the main body 1.

As shown in fig. 1-5, one side of each of the two gaskets 20 is movably connected with a porous interface 11, one side of each of the two porous interfaces 11 is fixedly provided with a U-shaped pipe 7, when in use, the U-shaped pipe 7 is connected with the main body 1 through bolts and nuts, the porous interfaces 11 enable the position of the connecting plate 19 to move, and liquid enters the U-shaped pipe 7 through the porous interfaces 11.

As shown in fig. 1-5, the filter screen 10 is movably mounted inside the U-shaped pipe 7, the rubber rings 22 are movably sleeved on the outer surfaces of the two porous interfaces 11, the filter screen 10 is arranged inside the U-shaped pipe 7 when the liquid filtering device is used, the filter screen 10 is close to the sensing rod 3, impurities in liquid are filtered, and the impurities are precipitated to the lowest position of the U-shaped pipe 7 under the influence of gravity, so that the impurities are prevented from affecting the accuracy of the uniform-speed pipe flowmeter measurement, the U-shaped pipe 7 is convenient to detach and clean, the cost is reduced due to the recycling, and the rubber rings 22 are arranged, so that gaps at the connecting positions are reduced, and the liquid is prevented from flowing out.

Working principle: when in use, the main body 1 is fixedly arranged in a pipeline through bolts and nuts, liquid is sensed by the sensing rod 3 through the inside of the main body 1, data is reflected to the display 2 for representation, the mounting shell 4 is arranged on the main body 1 in a threaded manner, the mounting shell is convenient to detach and mount during maintenance, the working efficiency is improved, the cleaning structure 8 is formed by two bearings and a plurality of scraping plates at one end of the inside of the main body 1, the inner ring of the bearing is fixed on the outer surface of the sensing rod 3, the plurality of scraping plates are fixed on the outer ring of the bearing, the liquid flows to drive the plurality of scraping plates of the cleaning structure 8 to rotate, the sensing rod 3 is cleaned, sundries are prevented from blocking a monitoring port depending on the sensing rod 3, the data obtained by a uniform-speed pipe flowmeter is prevented from losing accuracy, the sealing ring 9 is arranged, the liquid is prevented from flowing out, the integral tightness of the equipment is increased, and when sediment is required to be cleaned, the moving rotating wheel 6 drives the chain 16 to rotate the gear 15 and the rotating shaft 13, because the rotating shaft 13 is arranged in the gate 5 in a threaded manner, and both ends of the rotating shaft 13 are connected with other components through bearings, the blocking block 12 is conveniently driven to move in the gate 5, so that the water outlet 21 is opened and closed, when in use, the sealing sleeve 14 is arranged, the gap between the gate 5 and the blocking block 12 is conveniently reduced, the tightness of the main body 1 is improved, the mounting plate 17 is used for connecting other components, when in use, the elastic piece 18 is arranged, the connecting plate 19 is connected with the mounting plate 17 into a whole, the connecting plate 19 is conveniently restored to the original position, when in use, one end of the connecting plate 19 penetrates through the mounting plate 17, the connecting plate 19 is conveniently prevented from dislocation when in displacement, the sealing gasket 20 is arranged, the gap between the connecting plate 19 and the main body 1 is conveniently reduced, when in use, the U-shaped pipe 7 is connected with the main body 1 through the bolt and nut, the porous interface 11 makes the connecting plate 19 position remove, liquid gets into in the U-shaped pipe 7 through porous interface 11, when using, the inside filter screen 10 that is provided with of U-shaped pipe 7, and filter screen 10 sets up to be close to the sensor stick 3, debris in the filtered liquid, and under the influence of gravity, deposit the minimum of U-shaped pipe 7, prevent debris influence at uniform velocity pipe flowmeter measuring precision, the convenient clearance U-shaped pipe 7 of dismantling simultaneously, circulated use reduces the cost, the setting of rubber circle 22 is favorable to reducing the gap of junction, prevent that liquid from flowing out.

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 (7)

1. A high-accuracy constant velocity tube flowmeter, comprising: main part (1), install installation shell (4) the surface screw thread of main part (1), the fixed sensor stick (3) that has inlayed of inner wall of installation shell (4), the one end fixed mounting of sensor stick (3) has display (2), the inner wall movable mounting of installation shell (4) has sealing washer (9), clearance structure (8) are installed to the surface bearing of sensor stick (3), the inside fixed of main part (1) is inlayed and is equipped with gate (5), a plurality of axis of rotation (13) are installed to gate (5) internal screw thread, a plurality of the one end bearing of axis of rotation (13) is installed and is blocked piece (12), a plurality of the other end fixed mounting of axis of rotation (13) is on the inside of gate (5), a plurality of the surface at axis of rotation (13) top is all fixed the cover and is equipped with gear (15), a plurality of the surface meshing of gear (15) is connected with chain (16).

2. A high-precision constant velocity tube flowmeter for measuring according to claim 1, wherein: one of the rotating shafts (13) penetrates through the gate (5) and extends to the outside, a rotating wheel (6) is fixedly arranged on the outer surface of one of the rotating shafts (13), and a water outlet (21) is formed in the outer surface of the gate (5).

3. A high-precision constant velocity tube flowmeter for measuring according to claim 1, wherein: the inside of gate (5) is fixed mounting has seal cover (14), the inner wall of main part (1) bottom is fixed mounting has two mounting panel (17).

4. A high-precision constant velocity tube flowmeter for measuring according to claim 3, wherein: one side of each mounting plate (17) is fixedly connected with an elastic piece (18), and one end of each elastic piece (18) is fixedly connected with a connecting plate (19).

5. The high-precision constant velocity tube flowmeter of claim 4, wherein: one end of each connecting plate (19) penetrates through each mounting plate (17), and a sealing gasket (20) is fixedly arranged on one side of each mounting plate (17).

6. The high-precision constant velocity tube flowmeter of claim 5, wherein: one side of each sealing pad (20) is movably connected with a porous interface (11), and one side of each porous interface (11) is fixedly provided with a U-shaped pipe (7).

7. The high-precision constant velocity tube flowmeter of claim 6, wherein: the filter screen (10) is movably arranged in the U-shaped pipe (7), and rubber rings (22) are movably sleeved on the outer surfaces of the two porous interfaces (11).