CN220853713U

CN220853713U - Electromagnetic flowmeter convenient to operation

Info

Publication number: CN220853713U
Application number: CN202322591913.2U
Authority: CN
Inventors: 赵宏程; 孟颖; 梁英; 李奇
Original assignee: Dalian Sigma Instrument Co ltd
Current assignee: Dalian Sigma Instrument Co ltd
Priority date: 2023-09-25
Filing date: 2023-09-25
Publication date: 2024-04-26
Anticipated expiration: 2033-09-25

Abstract

The utility model discloses an electromagnetic flowmeter convenient to operate, and relates to the technical field of electromagnetic flowmeters. This electromagnetic flowmeter convenient to operation, when measuring the pipe flow direction by the second and first measuring the pipe, can drive the pivot through the paddle and take place to rotate, and then drive and retrieve the box and rotate, retrieve the box and rotate the in-process, scrape impurity or suspended solid on the piece to the filter and push away and scrape to make it get into the inside of retrieving the box by the long mouth, avoid the filter to take place to block up.

Description

Electromagnetic flowmeter convenient to operation

Technical Field

The utility model relates to the technical field of electromagnetic flow meters, in particular to an electromagnetic flow meter convenient to operate.

Background

In the industrial field, the instrument for measuring the fluid flow is generally called a flowmeter or a flowmeter, is one of the most important instruments in industrial measurement, has higher and higher requirements on the accuracy and the range of the flow measurement along with the development of industry, is sequentially developed, is widely applied to industries such as petroleum and natural gas, petrochemical industry, water treatment, food and beverage, pharmacy, energy, metallurgy, pulp and paper, building materials and the like, is one of the flowmeters, and is an instrument for measuring the flow of the conductive fluid according to the electromotive force induced when the conductive fluid passes through an external magnetic field by applying the electromagnetic induction principle.

In the use process of the electromagnetic flowmeter, solid impurities or suspended matters with larger particles possibly exist in the liquid to be measured, so that the measurement accuracy of the electromagnetic flowmeter is affected, and after the electromagnetic flowmeter is used for a long time, the impurities or suspended matters possibly adhere to the inner side wall of the measuring tube, so that the measurement accuracy of the electromagnetic flowmeter is greatly affected. In the prior art, although a filter screen is arranged to filter impurities or suspended matters, the impurities or suspended matters can adhere to the filter screen to cause mesh blockage, so that the flow rate of liquid is reduced.

Therefore, it is necessary to provide an electromagnetic flowmeter that is easy to operate to solve the above problems.

Disclosure of utility model

The utility model aims to provide an electromagnetic flowmeter convenient to operate, which solves the problems that in the prior art, although a filter screen is arranged to filter impurities or suspended matters, the impurities or suspended matters adhere to the filter screen to cause mesh blockage and reduce the flow rate of liquid.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an electromagnetic flowmeter convenient to operation, includes first measurement pipe, fixed flowmeter main part that is provided with on the first measurement pipe, the one end intercommunication of first measurement pipe has the second to measure the pipe, the internal diameter of second measurement pipe is greater than the internal diameter of first measurement pipe, the inside fixedly connected with filter of second measurement pipe, the one side rotation of filter back to first measurement pipe is connected with the pivot, the one end fixedly connected with paddle of filter is kept away from to the pivot, the paddle sets up to three, and three paddle is circumference array distribution around the pivot, the one end that the pivot is close to the filter is provided with clearance subassembly.

Preferably, the cleaning assembly comprises a recovery box, long openings, scraping blocks and round holes, wherein the round holes are formed in a plurality of parts, the recovery box is fixedly connected to the rotary shaft, the long openings are formed in the side wall of the recovery box, the scraping blocks are fixedly connected to the outer wall of the recovery box and are correspondingly distributed with the long openings, the scraping blocks are in sliding fit with the filter plates, the round holes are formed in the side wall of the recovery box, and the round holes are relatively distributed with the long openings.

Preferably, the inside of retrieving the box is provided with seal assembly, seal assembly includes closing plate and spring, the spring sets up to a plurality of, closing plate and long mouth cooperation, spring fixed connection is on the one side of sealing plate back to long mouth, the one end fixed connection that the closing plate was kept away from to the spring is on retrieving the box inner wall.

Preferably, one end of the second measuring catheter far away from the first measuring catheter is communicated with a third measuring catheter, a socket is formed in the third measuring catheter, an outer box is fixedly connected to the outside of the third measuring catheter, and the outer box is communicated with the third measuring catheter through the socket.

Preferably, one end of the outer box far away from the third measuring catheter is in threaded connection with a bolt, and a separation disc is arranged in the outer box and is rotationally connected to the bolt.

The utility model has the technical effects and advantages that:

1. The liquid to be measured flows from the second measuring guide pipe to the first measuring guide pipe, the filter plate filters impurities or suspended matters in the liquid to be measured, when the liquid to be measured flows from the second measuring guide pipe to the first measuring guide pipe, the blade drives the rotating shaft to rotate so as to drive the recovery box to rotate, and in the rotating process of the recovery box, the scraping block pushes and scrapes the impurities or suspended matters on the filter plate and enables the impurities or suspended matters to enter the recovery box from the long opening, so that the filter plate is prevented from being blocked;

2. Because the long opening is positioned at the front end of the recycling box in the rotating direction, the sealing plate slides inwards under the pressure of liquid and compresses the spring, impurities or suspended matters enter the recycling box from a gap between the sealing plate and the long opening, and when the recycling box stops rotating, the sealing plate is reset by the reset elasticity of the spring and seals the long opening, so that the impurities or suspended matters in the recycling box are prevented from scattering;

3. The bolt is rotated to drive the separation disc to extend into the third measuring guide pipe through the socket, so that the liquid circulation in the third measuring guide pipe is stopped, the electromagnetic flowmeter is convenient to disassemble, overhaul and maintain, or impurities or suspended matters collected in the recovery box are treated regularly, and the operation is simple and convenient.

Drawings

Fig. 1 is a schematic structural view of an electromagnetic flowmeter of the present utility model which is convenient to operate.

FIG. 2 is a schematic view of a second measuring conduit, filter plate, shaft and blade configuration of the present utility model.

FIG. 3 is a schematic view of the structure of the recovery box, the long opening and the sealing plate according to the utility model.

FIG. 4 is a schematic view of the third measuring tube, outer box, socket and spacer structure of the present utility model.

In the figure: 1. a first measurement catheter; 2. a flowmeter body; 3. a second measurement catheter; 4. a filter plate; 5. a rotating shaft; 6. a recovery box; 7. a long opening; 8. scraping blocks; 9. a sealing plate; 10. a spring; 11. a round hole; 12. a third measurement catheter; 13. a socket; 14. an outer case; 15. a separation plate; 16. a bolt; 17. a blade.

Detailed Description

The technical solutions in the embodiments of the present utility model will be made clear below in conjunction with the drawings in the embodiments of the present utility model; it will be apparent that the embodiments described are only some, but not all, of the embodiments of the utility model. 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.

The utility model provides an electromagnetic flowmeter which is convenient to operate as shown in fig. 1-4, and comprises a first measuring conduit 1, wherein a flowmeter main body 2 is fixedly arranged on the first measuring conduit 1, and one end of the first measuring conduit 1 is communicated with a second measuring conduit 3. The inside fixedly connected with filter 4 of second measurement pipe 3, when specifically using, the liquid that awaits measuring flows from second measurement pipe 3 to first measurement pipe 1, and filter 4 carries out filtration treatment to the impurity or the suspended solid in the liquid that awaits measuring. One surface of the filter plate 4, which is opposite to the first measuring guide pipe 1, is rotationally connected with a rotating shaft 5, one end, which is far away from the filter plate 4, of the rotating shaft 5 is fixedly connected with paddles 17, the paddles 17 are three, and the three paddles 17 are distributed in a circumferential array around the rotating shaft 5. When the liquid to be measured flows from the second measuring conduit 3 to the first measuring conduit 1, the paddle 17 drives the rotating shaft 5 to rotate. In order to realize the treatment of impurities or suspended matters on the filter plate 4, a cleaning component is arranged at one end of the rotating shaft 5, which is close to the filter plate 4.

Considering that the structures such as the cleaning assembly and the like can influence the flow rate of the liquid, the inner diameter of the second measuring conduit 3 is larger than that of the first measuring conduit 1, and the stability of the instantaneous flow in the first measuring conduit 1 and the second measuring conduit 3 is ensured by expanding the inner diameter of the second measuring conduit 3.

When specifically setting up, the clearance subassembly includes retrieve box 6, long mouth 7, scrapes piece 8 and round hole 11. The round holes 11 are arranged in a plurality, and the recovery box 6 is fixedly connected to the rotating shaft 5. The long opening 7 is formed in the side wall of the recovery box 6, and in specific use, the long opening 7 is located at the front end of the recovery box 6 in the rotation direction. The scraping blocks 8 are fixedly connected to the outer wall of the recovery box 6, the scraping blocks 8 are distributed corresponding to the long openings 7, and the scraping blocks 8 are in sliding fit with the filter plates 4. During the rotation of the recovery box 6, the scraping block 8 pushes and scrapes impurities or suspended matters on the filter plate 4, and the impurities or suspended matters enter the recovery box 6 through the long opening 7. Because in pushing and scraping the in-process, liquid also can get into the inside of retrieving box 6, in order to realize the discharge to liquid, reduce the pivoted resistance of retrieving box 6 simultaneously, round hole 11 is offered on retrieving box 6's lateral wall, round hole 11 and long mouth 7 relative distribution.

During operation, the liquid to be measured flows to the first measuring conduit 1 from the second measuring conduit 3, the filter plate 4 filters impurities or suspended matters in the liquid to be measured, and when the liquid to be measured flows to the first measuring conduit 1 from the second measuring conduit 3, the blade 17 drives the rotating shaft 5 to rotate so as to drive the recovery box 6 to rotate, the scraping block 8 pushes and scrapes the impurities or suspended matters on the filter plate 4 in the rotation process of the recovery box 6, and the impurities or suspended matters enter the recovery box 6 from the long opening 7, so that the filter plate 4 is prevented from being blocked.

Specifically, an opening for conveniently taking out the recovery box 6 is formed in the wall body of the second measuring catheter 3, so that impurities or suspended matters collected in the recovery box 6 are treated regularly, and a sealing cover plate matched with the opening is arranged.

In order to prevent the scattering phenomenon of the foreign substances or suspended substances recovered to the inside of the recovery box 6, the inside of the recovery box 6 is provided with a sealing assembly including a sealing plate 9 and springs 10, the springs 10 being provided in plurality. The sealing plate 9 is matched with the long opening 7, a spring 10 is fixedly connected to one surface of the sealing plate 9, which is opposite to the long opening 7, and one end, away from the sealing plate 9, of the spring 10 is fixedly connected to the inner wall of the recovery box 6. When the recovery box 6 is specifically used, in the rotation process of the recovery box 6, as the long opening 7 is positioned at the front end of the rotation direction of the recovery box 6, the sealing plate 9 is subjected to inward sliding by liquid pressure and compresses the spring 10, impurities or suspended matters enter the recovery box 6 from a gap between the sealing plate 9 and the long opening 7, and when the recovery box 6 stops rotating, the reset elastic force of the spring 10 enables the sealing plate 9 to reset and seal the long opening 7, so that the impurities or suspended matters in the recovery box 6 are prevented from scattering.

In the use process of the electromagnetic flowmeter, when an operator needs to disassemble, overhaul and maintain the electromagnetic flowmeter or periodically treat impurities or suspended matters collected in the recovery box 6, the liquid flow in the pipeline needs to be stopped first, and the on-off distance of some control pipelines is far, so that the operation of the operator is time-consuming and labor-consuming.

The end of the second measuring catheter 3 far away from the first measuring catheter 1 is communicated with a third measuring catheter 12, and the inner diameter of the first measuring catheter 1 is consistent with that of the third measuring catheter 12. The third measuring catheter 12 is provided with a socket 13, the outside of the third measuring catheter 12 is fixedly connected with an outer box 14, and the outer box 14 is communicated with the third measuring catheter 12 through the socket 13.

The end of the outer box 14 far away from the third measuring catheter 12 is connected with a bolt 16 in a threaded manner, a separation disc 15 is arranged in the outer box 14, and the separation disc 15 is connected to the bolt 16 in a rotating manner. In particular use, the outside of the spacer 15 is provided with a sealing ring.

During operation, the bolt 16 is rotated, the separation disc 15 is driven to extend into the third measuring conduit 12 through the socket 13, the liquid circulation in the third measuring conduit 12 is stopped, the disassembly, overhaul and maintenance of the electromagnetic flowmeter are facilitated, or the periodic treatment of impurities or suspended matters collected in the recovery box 6 is facilitated, and the operation is simple and convenient.

Further, the bolt 16 is reversely rotated to drive the separation disc 15 to be pulled out from the inside of the third measuring duct 12, so that the liquid circulation inside the third measuring duct 12 is ensured.

Claims

1. An electromagnetic flowmeter convenient to operate, comprising a first measuring conduit (1), characterized in that: the utility model discloses a flowmeter for measuring the flow of water, including first measuring conduit (1), first measuring conduit (1) is last fixedly provided with flowmeter main part (2), the one end intercommunication of first measuring conduit (1) has second measuring conduit (3), the internal diameter of second measuring conduit (3) is greater than the internal diameter of first measuring conduit (1), the inside fixedly connected with filter (4) of second measuring conduit (3), one side rotation that filter (4) was kept away from first measuring conduit (1) is connected with pivot (5), one end fixedly connected with paddle (17) that filter (4) were kept away from to pivot (5), paddle (17) set up to three, and three paddle (17) are circumference array distribution around pivot (5), the one end that pivot (5) are close to filter (4) is provided with clearance subassembly.

2. An electromagnetic flowmeter for facilitating operation as defined in claim 1, wherein: the cleaning assembly comprises a recovery box (6), long openings (7), scraping blocks (8) and round holes (11), wherein the round holes (11) are formed in a plurality, the recovery box (6) is fixedly connected to a rotating shaft (5), the long openings (7) are formed in the side walls of the recovery box (6), the scraping blocks (8) are fixedly connected to the outer walls of the recovery box (6), the scraping blocks (8) are correspondingly distributed with the long openings (7), the scraping blocks (8) are in sliding fit with the filter plates (4), the round holes (11) are formed in the side walls of the recovery box (6), and the round holes (11) are distributed in opposition to the long openings (7).

3. An electromagnetic flowmeter for facilitating operation as set forth in claim 2, wherein: the inside of retrieving box (6) is provided with seal assembly, seal assembly includes closing plate (9) and spring (10), spring (10) set up to a plurality ofly, closing plate (9) and long mouth (7) cooperation, spring (10) fixed connection is on the one side of closing plate (9) back towards long mouth (7), the one end fixed connection that closing plate (9) was kept away from to spring (10) is on retrieving box (6) inner wall.

4. An electromagnetic flowmeter for facilitating operation as defined in claim 1, wherein: one end of the second measuring catheter (3) far away from the first measuring catheter (1) is communicated with a third measuring catheter (12), a socket (13) is formed in the third measuring catheter (12), an outer box (14) is fixedly connected to the outside of the third measuring catheter (12), and the outer box (14) is communicated with the third measuring catheter (12) through the socket (13).

5. An electromagnetic flowmeter for facilitating operation as defined in claim 4, wherein: one end of the outer box (14) far away from the third measuring catheter (12) is in threaded connection with a bolt (16), a separation disc (15) is arranged in the outer box (14), and the separation disc (15) is rotationally connected to the bolt (16).