Metal rotor flow meter

By employing tapered tube one and tapered tube two structures, along with filters and fastening blocks, in the flow meter, the measurement errors and complex maintenance issues of traditional flow meters under high pressure and high viscosity conditions are solved, achieving efficient and accurate flow measurement and a simple maintenance process.

CN223741656UActive Publication Date: 2025-12-30YUYAO YINHUAN FLOWMETER
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Patent Information

Application Number
CN202520416074.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-11
Publication Date
2025-12-30
Estimated Expiration
2035-03-11

AI Technical Summary

Technical Problem

Traditional flow meters are prone to fluid resistance and turbulence under high pressure and high viscosity media conditions, which leads to increased measurement errors, short service life, high maintenance frequency and complex maintenance, and cannot meet the needs of modern industrial production.

Method used

The main body of the flow meter is equipped with a metal rotor flow meter structure containing a first cone tube and a second cone tube. Combined with the design of filter screen, connecting rod, fastening block and processor, it realizes stable fluid guidance and data processing, calculates flow rate by rotor rotation speed, and provides easy disassembly and maintenance.

Benefits of technology

It improves the service life and maintenance efficiency of the flow meter, ensures the accuracy of flow measurement and the stability of the equipment, and adapts to normal operation under complex working conditions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of rotor flow meters, and discloses a metal rotor flow meter which comprises a main body, a first taper pipe is arranged on the left side of the inner wall of the main body, a second taper pipe is arranged on the right side of the inner wall of the main body, an installation part is arranged on the inner wall of the first taper pipe, and an installation wheel is fixedly connected to the inner wall of the installation part. A central shaft is rotatably connected to the middle of the mounting wheel, a rotor is fixedly connected to one end of the central shaft, a processor is fixedly connected to the outer wall of the main body, a display screen is arranged on the outer wall of the processor, keys are arranged on the outer wall of the processor, flanges are fixedly connected to the two ends of the main body, and the flanges are fixedly connected to the two ends of the main body. A mounting hole is formed in the outer wall of the flange. According to the utility model, fluid to be measured enters the first taper pipe and the second taper pipe with different angles to form a continuously changing flow channel, the speed of the fluid is gradually increased, so that the internal rotor is pushed to rotate, and the flow of the fluid is known by monitoring the rotating speed of the rotor.
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Description

TECHNICAL FIELD

[0001] The utility model relates to rotor flowmeter technical field especially relates to a metal rotor flowmeter. BACKGROUND

[0002] Traditional flowmeter adopts single conical pipe structure, and under high pressure and high viscosity medium condition, larger fluid resistance and turbulent flow phenomenon are prone to be generated, which leads to increased measurement error, especially in industrial production environment, these factors seriously affect the reliability and accuracy of the flowmeter, with the improvement of industrial automation level, the precision of flow measurement is required more and more, the market urgently needs more advanced flowmeter to meet the demand, at present, the common flowmeter on the market is various, including differential pressure flowmeter, vortex flowmeter and ultrasonic flowmeter, the differential pressure flowmeter realizes flow calculation by detecting the pressure difference before and after the throttling device, but it is sensitive to fluid condition and is easily affected by pollution, the vortex flowmeter is based on the karman vortex principle and has high sensitivity, but the performance is unstable under low speed flow state, the ultrasonic flowmeter can complete measurement without contacting medium and has strong adaptability, however, the cost is high and the maintenance is complex, the three kinds of traditional flowmeters have respective characteristics, but also have different limitations.

[0003] Through the retrieval, China patent publication number: CN218724373U, a kind of metal rotor flowmeter convenient to adjust, including one connection plate, filter box and connecting barrel, the bottom of the one connection plate is installed with circular water pipe, the inside of the connecting barrel is installed with function pipe, the one end of the function pipe is installed with flowmeter, the outer wall of the both ends of the filter box is installed with one rack, the utility model can adjust the position of flowmeter by installing connecting barrel, it is convenient for subsequent reading, after connecting circular water pipe with delivery pipeline, make function pipe rotate in the inside of connecting barrel, function pipe moves position when rotating, it can adjust the angle of flowmeter, after adjusting the angle of flowmeter, the one end of one threaded rod is moved to the inside of hole and fixed to flowmeter, reach the purpose of adjusting the angle of flowmeter, after installing metal flowmeter, adjust the angle of flowmeter to the position convenient for reading, it is convenient for subsequent observation, but the above structure does not consider that the service life of flowmeter is short, maintenance frequency is high and maintenance is complicated, it can not meet the demand of modern industrial production. UTILITY MODEL CONTENTS

[0004] In order to make up for the above shortcomings, the utility model provides a kind of metal rotor flowmeter, to improve the problems of short service life of flowmeter in prior art, high maintenance frequency and complicated maintenance, and unable to meet the demand of modern industrial production.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a metal rotor flowmeter, including the main part, the inner wall left side of main part is provided with the taper pipe no.

[0006] Through the above technical scheme: the main part bears and protects the internal key components, and the inner wall left side of the main part is accurately provided with the taper pipe no. 1, the inner wall right side of the main part is provided with the taper pipe no. 2, the taper pipe no. 2 cooperates with the taper pipe no. 1, and the constraint and the guiding work of fluid are completed together, so that the fluid can smoothly flow through the whole measuring device. The mounting piece is installed on the inner wall of the taper pipe no. 1 and can be firmly fixed on the inner wall of the taper pipe no. 1. The inner wall of the mounting piece is tightly fixed with the mounting wheel. The mounting wheel plays a connecting and supporting role in the whole structure, so that the central shaft can rotate flexibly therein. The central shaft is rotatably connected with the mounting wheel in the middle, which ensures the smoothness and stability of the central shaft during operation. The rotor is fixedly connected to one end of the central shaft. The change of the rotor state can directly reflect the size of the fluid flow. The processor is fixedly connected to the outer wall of the main part. The processor is responsible for receiving, processing and analyzing data information from various components. Through the analysis and processing of the rotor data, the processor can quickly and accurately calculate the flow of the fluid.

[0007] Further description of the above technical scheme:

[0008] The dismounting structure includes a connecting rod, the outer wall of the connecting rod is fixedly connected with the outer wall of the mounting piece, the other end of the connecting rod is fixedly connected with a circular ring, the inner wall of the circular ring is fixedly connected with a filter screen, the inner wall of the taper pipe no. 2 is provided with a threaded groove, and the inner wall of the taper pipe no. 2 is threadedly connected with a fastening block.

[0009] Through the above technical scheme: the connecting rod is the key link connecting different components, the outer wall of the connecting rod is fixedly connected with the outer wall of the mounting piece, which ensures that there is no loosening during normal use, and provides a solid foundation for stable operation of the entire device, the other end of the connecting rod is fixedly connected with a circular ring, the inner wall of the circular ring is fixedly connected with a filter screen, the filter screen can effectively filter out impurities in the fluid, ensuring the purity of the fluid entering the subsequent components, thereby improving the working efficiency and service life of the equipment, the filter screen can ensure good filtering effect and will not cause excessive obstruction to the normal flow of the fluid, the circular ring corresponds to the second taper pipe, the inner wall of the second taper pipe is provided with a threaded groove, the inner wall of the second taper pipe is threadedly connected with a fastening block, the outer surface of the fastening block is also provided with threads matched with the threaded groove, by rotating the fastening block, the second taper pipe can be tightly combined together, during installation, only need to rotate the fastening block along the threaded groove until the appropriate fastening degree is reached, and when disassembly is needed, only need to rotate the fastening block in the opposite direction to easily take it out of the second taper pipe, realizing separation of components, so that the installation and disassembly process of the disassembly structure becomes simple and fast, greatly improving the working efficiency.

[0010] As a further description of the above technical scheme:

[0011] The outer wall of the processor is provided with a display screen, and the outer wall of the processor is provided with a key.

[0012] Through the above technical scheme: a high-resolution display screen is attached to the outer wall of the processor, which can clearly and intuitively display the flow information, and the outer wall of the processor is also uniformly distributed with multiple keys to realize precise control of the equipment.

[0013] As a further description of the above technical scheme:

[0014] The inner wall of the second taper pipe is provided with a limiting groove.

[0015] Through the above technical scheme: the top of the main body is fixedly connected with a battery, which provides stable and lasting power support for the operation of the equipment, and the inner wall of the second taper pipe is carefully provided with a limiting groove distributed in a ring shape, which plays a precise positioning and limiting role, effectively improving the overall performance and operation stability of the equipment.

[0016] As a further description of the above technical scheme:

[0017] Both ends of the main body are fixedly connected with flanges, and the outer wall of the flange is provided with a mounting hole.

[0018] Through the technical scheme, the flange is fixedly connected to the two ends of the main body, a plurality of mounting holes are uniformly formed in the outer wall of the flange, the equipment is quickly and reliably connected with other components, the equipment is convenient to install and disassemble, and the universality and maintainability of the equipment are greatly improved.

[0019] As further description of the technical scheme:

[0020] The outer wall of the flange is fixedly connected with a reinforcing rib, and the bottom surface of the reinforcing rib is fixedly connected with the outer wall of the main body.

[0021] Through the technical scheme, the outer wall of the flange is fixedly connected with a reinforcing rib, and the cross-sectional shape of the reinforcing rib is triangular, so that the structural stability between the flange and the main body is enhanced, and the loosening or deformation under complex working conditions such as high pressure and strong vibration can be effectively prevented.

[0022] As further description of the technical scheme:

[0023] One end of the central shaft is fixedly connected with an infrared emitter, and the inner wall of the mounting piece is fixedly connected with a receiver.

[0024] Through the technical scheme, one end of the central shaft is fixedly connected with an infrared emitter, and the inner wall of the mounting piece is fixedly connected with a receiver, so that the infrared signal emitted by the infrared emitter can be quickly and accurately captured by the receiver and converted into an electric signal for subsequent circuit processing.

[0025] As further description of the technical scheme:

[0026] The outer wall of the rotor is fixedly connected with a flow divider, and the flow divider has a streamline shape.

[0027] Through the technical scheme, the outer wall of the rotor is fixedly connected with a flow divider, and the flow divider has a streamline shape, so that the flow direction of the fluid can be effectively guided when the rotor rotates at high speed, the turbulence and resistance of the fluid are reduced, and the service life of the device is improved.

[0028] The utility model has the advantages of:

[0029] 1、The utility model discloses a main body is formed by two different angle conical pipes, and a rotor is arranged in the first conical pipe, and a flow divider is arranged on the outer wall of the rotor, and the flow divider has a streamline shape, so that the impact force of the fluid on the rotor can be effectively reduced, and when the fluid to be measured enters the main body, the fluid speed is gradually increased due to the action of the first conical pipe and the second conical pipe, so that the rotor in the main body is rotated, the rotation speed of the rotor is proportional to the fluid power, the flow of the current fluid can be obtained by monitoring the rotation speed of the rotor, and the rotation speed of the rotor is measured by the receiver and the infrared emitter, and the display screen is used for display.

[0030] 2、 The utility model discloses, filter screen is to the object of measuring and is filtered, the connecting rod is aligned to the limiting groove, and the mounting piece is put into from the one end of the conical pipe no. 2, because the taper of the conical pipe no. 1, makes the mounting piece can be clamped in the inner wall of the conical pipe no. 1, fastening block is screwed into the open end of the conical pipe no. 2 again, and fastening block compacts the circular ring, so that filter screen passes through connecting rod and compacts mounting piece, realizes fixed mounting piece, when needing to maintain and replace rotor, only need to unscrew fastening block, can take out mounting piece to the rotor is maintained and replaced. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 It is a front side perspective drawing of a metal rotor flowmeter provided by the utility model;

[0032] Figure 2 It is a sectional view of a metal rotor flowmeter main body provided by the utility model;

[0033] Figure 3 It is a partial structure diagram of a metal rotor flowmeter rotor provided by the utility model;

[0034] Figure 4 It is a partial structure display diagram of a metal rotor flowmeter fastening block provided by the utility model;

[0035] Figure 5 It is a partial structure schematic diagram of a metal rotor flowmeter mounting wheel provided by the utility model.

[0036] LEGEND:

[0037] 1, main body, 2, dismounting structure, 201, connecting rod, 202, circular ring, 203, filter screen, 204, thread groove, 205, fastening block, 3, conical pipe no. 1, 4, conical pipe no. 2, 5, mounting piece, 6, mounting wheel, 7, central shaft, 8, rotor, 9, processor, 10, display screen, 11, button, 12, flange, 13, mounting hole, 14, battery, 15, reinforcing rib, 16, limiting groove, 17, receiver, 18, shunt, 19, infrared emitter. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0039] Please refer to the drawings of the embodiments of the utility model Figure 1 - the drawings of the embodiments of the utility model Figure 3The utility model provides an embodiment: a kind of metal rotor flowmeter, the inner wall left side of main body 1 is provided with conical pipe one 3, the inner wall right side of main body 1 is provided with conical pipe two 4, the inner wall of conical pipe one 3 is provided with mounting 5, the inner wall of mounting 5 is fixedly connected with mounting wheel 6, the middle part of mounting wheel 6 is rotatably connected with central shaft 7, one end of central shaft 7 is fixedly connected with rotor 8, the outer wall of main body 1 is fixedly connected with processor 9, the outer wall of mounting 5 is provided with dismounting structure 2, and dismounting structure 2 is used to dismount rotor 8;

[0040] Specifically, main body 1 carries and protects internal key components, the inner wall left side of main body 1 is accurately provided with conical pipe one 3, the inner wall right side of main body 1 is provided with conical pipe two 4, conical pipe two 4 and conical pipe one 3 cooperate with each other, and the constraint and the guiding work of fluid are completed, to ensure that fluid can flow through the whole measuring device smoothly, mounting 5 is installed on the inner wall of conical pipe one 3, can be firmly fixed on the inner wall of conical pipe one 3, the inner wall of mounting 5 and mounting wheel 6 are fixedly connected, mounting wheel 6 plays the role of connection and support in the whole structure, so that central shaft 7 can rotate flexibly therein, the middle part of central shaft 7 is rotatably connected with mounting wheel 6, to ensure the smoothness and stability of central shaft 7 during operation, one end of central shaft 7 is fixedly connected with rotor 8, the change of rotor 8 state can intuitively reflect the size of fluid flow, processor 9 is fixedly connected on the outer wall of main body 1, processor 9 is responsible for receiving, processing and analyzing data information from each component, by analyzing and processing the data of rotor 8, processor 9 can quickly and accurately calculate the flow of fluid.

[0041] Please refer to the attached Figure 4 -attached Figure 5 Dismounting structure 2 includes connecting rod 201, the outer wall of connecting rod 201 and the outer wall of mounting 5 are fixedly connected, the other end of connecting rod 201 is fixedly connected with circular ring 202, the inner wall of circular ring 202 is fixedly connected with filter screen 203, the inner wall of conical pipe two 4 is provided with screw groove 204, the inner wall of conical pipe two 4 is threadedly connected with fastening block 205;

[0042] Specific, connecting rod 201 is the key link connecting different components, connecting rod 201 outer wall and the outer wall of the mounting piece 5 fixed connection, ensure that in the normal use process will not appear loose situation, for the stable operation of the whole device provides a solid foundation, along the other end of the connecting rod 201 fixed connection has a ring 202, the inner wall of the ring 202 fixedly connected with the filter screen 203, filter screen 203 can effectively filter out the impurities in the fluid, ensure the fluid purity of the subsequent components, so as to improve the working efficiency and service life of the equipment, filter screen 203 can guarantee good filtering effect, will not cause too much resistance to the normal flow of fluid, the corresponding cone pipe two 4 is a ring 202, the inner wall of the cone pipe two 4 is provided with a threaded groove 204, the inner wall of the cone pipe two 4 is screwed with a fastening block 205, the outer surface of the fastening block 205 is also processed with a thread matched with the threaded groove 204, by rotating the fastening block 205, can be combined with the cone pipe two 4 together, in the installation process, only need to fastening block 205 along the threaded groove 204 screw, until the appropriate fastening degree, and when disassembling, only need to rotate the fastening block 205 in the opposite direction, can easily take it out of the cone pipe two 4, realize the separation of components, so that the installation and disassembly process of disassembly structure 2 becomes simple, fast, greatly improves the work efficiency.

[0043] Please refer to the attached Figure 1 - attached Figure 3 , the outer wall of the processor 9 is provided with a display screen 10, the outer wall of the processor 9 is provided with a key 11, the top of the main body 1 is fixedly connected with a battery 14, the inner wall of the cone pipe two 4 is provided with a limiting groove 16, the two ends of the main body 1 are fixedly connected with a flange 12, the outer wall of the flange 12 is provided with a mounting hole 13;

[0044] Specifically, a high-resolution display screen 10 is attached to the outer wall of the processor 9, which can clearly and intuitively display the flow information. The outer wall of the processor 9 is also uniformly distributed with multiple keys 11, which can realize precise control of the equipment. The top of the main body 1 is fixedly connected with a battery 14, which provides stable and lasting power support for the operation of the equipment. The inner wall of the cone pipe two 4 is carefully provided with a ring-shaped limiting groove 16, which plays a precise positioning and limiting role, effectively improving the overall performance and operation stability of the equipment. The two ends of the main body 1 are fixedly connected with a flange 12, and multiple mounting holes 13 are uniformly provided on the outer wall of the flange 12 to quickly and reliably connect the equipment with other components, facilitating the installation and disassembly of the equipment, and greatly improving the universality and maintainability of the equipment.

[0045] Please refer to the attached Figure 3 - attached Figure 5The outer wall of the flange 12 is fixedly connected with a reinforcing rib 15, the bottom surface of the reinforcing rib 15 is fixedly connected with the outer wall of the main body 1, one end of the central shaft 7 is fixedly connected with an infrared emitter 19, the inner wall of the mounting piece 5 is fixedly connected with a receiver 17, the outer wall of the rotor 8 is fixedly connected with a flow divider 18, and the flow divider 18 is in a streamline shape;

[0046] Specifically, the outer wall of the flange 12 is fixedly connected with a reinforcing rib 15, the cross-sectional shape of the reinforcing rib 15 is triangular, the structural stability between the flange 12 and the main body 1 is enhanced, and the loosening or deformation under complex working conditions such as high pressure and strong vibration can be effectively prevented, one end of the central shaft 7 is fixedly connected with an infrared emitter 19, the inner wall of the mounting piece 5 is fixedly connected with a receiver 17, the receiver 17 can quickly and accurately capture the infrared signal emitted by the infrared emitter 19 and convert it into an electrical signal for subsequent circuit processing, and the outer wall of the rotor 8 is fixedly connected with a flow divider 18, and the flow divider 18 is in a streamline shape, which can effectively guide the flow direction of the fluid when the rotor 8 rotates at high speed, reduce the turbulence and resistance of the fluid, and improve the service life of the device.

[0047] Working principle: the main body 1 is composed of two conical pipes 3 and 4 with different angles, forming a continuously changing flow channel, the rotor 8 is located inside the conical pipe 1, the flow divider 18 is in a streamline shape, which can effectively reduce the impact force of the fluid on the rotor 8, when the fluid to be measured enters the main body 1, the fluid speed gradually increases due to the action of the conical pipe 1 and the conical pipe 2, thereby pushing the internal rotor 8 to rotate, the rotation speed of the rotor 8 is proportional to the fluid power it receives, and the current fluid flow size can be obtained by monitoring the rotation speed of the rotor 8, the receiver 17 and the infrared emitter 19 measure the rotation speed of the rotor 8, and display the result on the display screen 10;

[0048] The filter screen 203 filters the object to be measured, the connecting rod 201 is aligned with the limiting groove 16, the mounting piece 5 is placed into one end of the conical pipe 2, due to the taper of the conical pipe 1, the mounting piece 5 can be clamped in the inner wall of the conical pipe 1, and then the fastening block 205 is screwed into the open end of the conical pipe 2, the fastening block 205 presses the circular ring 202, so that the filter screen 203 presses the mounting piece 5 through the connecting rod 201, to fix the mounting piece 5, when the rotor 8 needs to be maintained and replaced, only the fastening block 205 needs to be unscrewed, and then the mounting piece 5 can be taken out, and the rotor 8 can be maintained and replaced.

[0049] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A metal-rotor flowmeter comprising a body (1), characterized in that: The inner wall left side of the main body (1) is provided with a taper pipe one (3), the inner wall right side of the main body (1) is provided with a taper pipe two (4), the inner wall of the taper pipe one (3) is provided with a mounting piece (5), the inner wall of the mounting piece (5) is fixedly connected with a mounting wheel (6), the central part of the mounting wheel (6) is rotatably connected with a center shaft (7), one end of the center shaft (7) is fixedly connected with a rotor (8), the outer wall of the main body (1) is fixedly connected with a processor (9), the outer wall of the mounting piece (5) is provided with a dismounting structure (2), and the dismounting structure (2) is used for dismounting the rotor (8).

2. A metal-rotor flowmeter according to claim 1, wherein: The dismounting structure (2) includes a connecting rod (201), the outer wall of the connecting rod (201) is fixedly connected with the outer wall of the mounting piece (5), the other end of the connecting rod (201) is fixedly connected with a circular ring (202), the inner wall of the circular ring (202) is fixedly connected with a filter screen (203), the inner wall of the taper pipe two (4) is provided with a threaded groove (204), and the inner wall of the taper pipe two (4) is threadedly connected with a fastening block (205).

3. A metal-rotor flowmeter according to claim 1, wherein: The outer wall of the processor (9) is provided with a display screen (10), and the outer wall of the processor (9) is provided with a key (11).

4. A metal-rotor flowmeter according to claim 1, wherein: The top of the main body (1) is fixedly connected with a battery (14), and the inner wall of the taper pipe two (4) is provided with a limiting groove (16).

5. A metal-rotor flowmeter according to claim 1 wherein: Both ends of the main body (1) are fixedly connected with flanges (12), and the outer wall of the flange (12) is provided with a mounting hole (13).

6. A metal-rotor flowmeter according to claim 5 wherein: The outer wall of the flange (12) is fixedly connected with a reinforcing rib (15), and the bottom surface of the reinforcing rib (15) is fixedly connected with the outer wall of the main body (1).

7. A metal-rotor flowmeter according to claim 1 wherein: One end of the center shaft (7) is fixedly connected with an infrared emitter (19), and the inner wall of the mounting piece (5) is fixedly connected with a receiver (17).

8. A metal-rotor flowmeter according to claim 1 wherein: The outer wall of the rotor (8) is fixedly connected with a flow divider (18), and the flow divider (18) is in a streamline shape.