CN210221164U

CN210221164U - Electromagnetic flowmeter for experiments

Info

Publication number: CN210221164U
Application number: CN201921476773.1U
Authority: CN
Inventors: Haoxiang Yu; 余浩翔
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-06
Filing date: 2019-09-06
Publication date: 2020-03-31
Anticipated expiration: 2029-09-06

Abstract

The utility model discloses an electromagnetic flowmeter for experiments, including display table and first pipeline, its characterized in that: the bottom of the display meter is provided with a connecting pipe, a first mounting plate is fixedly connected to the display meter, a mounting block is welded on the pipe body, the lower end of the stud penetrates through the first mounting plate and is in threaded connection with the mounting block, a mounting cylinder is fixedly connected to the pipe body, a fixing plate is connected to the mounting cylinder, a second sealing gasket is arranged inside the mounting cylinder, a sensor is arranged at the bottom of the connecting pipe, a first sealing gasket is arranged on the surface of the connecting pipe, and a positioning block is arranged on the upper side of the first sealing gasket; the inner lining is arranged inside the pipe body; the first pipeline is arranged in the inner wall of the pipe body and communicated with the cleaning liquid branch pipe through the first check device. This electromagnetic flowmeter for experiments has and dismantles the convenience, and the work of conveniently overhauing regularly carries out cleaing away of dirt to the inner chamber, prevents impurity upset data collection's characteristics.

Description

Electromagnetic flowmeter for experiments

Technical Field

The utility model relates to an electromagnetic flowmeter equipment science and technology technical field specifically is an electromagnetic flowmeter for experiments.

Background

The electromagnetic flowmeter is based on Faraday principle electromagnetic induction law; the magnetic field is arranged around the conductive liquid, when the conductive liquid cuts magnetic lines of force in the magnetic field, an induced potential which is in direct proportion to the average flow velocity of the liquid is generated, an induced voltage signal is detected by two or more electrodes which are in contact with the liquid and is sent to a display meter through a cable for intelligent processing, and then the display of the instantaneous flow and the accumulated flow of the liquid and the communication and control between flow data and a microcomputer system are realized; because the flow pipe is internally provided with no movable part, the medium passing through the flowmeter has no pressure loss, the measurement accuracy is high, the performance is reliable, and the flowmeter is widely applied to various industries; in the actual use process; the structure of linking of electromagnetic flowmeter body and display table is comparatively single, and after display table and electromagnetic flowmeter body fixed connection, the split is just comparatively difficult again, in case electromagnetic flowmeter display table broke down, and the maintenance work is troublesome complicated, consumes a large amount of takedown time.

In order to overcome the disadvantages existing in the current market, the technology of the electromagnetic flowmeter is urgently needed to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in overcoming prior art's display meter and electromagnetic flowmeter body fixed connection back, the split is just comparatively difficult again, in case electromagnetic flowmeter display meter breaks down, and the maintenance work is troublesome complicated, consumes a large amount of dismantlement time's defect, provides an electromagnetic flowmeter for the experiment. Check ball, first non return device and first pipeline have and dismantle conveniently, and convenient maintenance work carries out the cleaing away of dirt to the inner chamber regularly, prevents that impurity from disturbing data collection's characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: an electromagnetic flowmeter for experiments, including display table and first pipeline, its characterized in that: the bottom of the display meter is provided with a connecting pipe, a first mounting plate is fixedly connected to the display meter, a mounting block is welded on the pipe body, the lower end of the stud penetrates through the first mounting plate and is in threaded connection with the mounting block, a mounting cylinder is fixedly connected to the pipe body, a fixing plate is connected to the mounting cylinder, a second sealing gasket is arranged inside the mounting cylinder, a sensor is arranged at the bottom of the connecting pipe, a first sealing gasket is arranged on the surface of the connecting pipe, and a positioning block is arranged on the upper side of the first sealing gasket; the inner lining is arranged inside the pipe body;

the first pipeline is arranged in the inner wall of the pipe body and is communicated with the cleaning liquid branch pipe through a first non-return device, and the second pipeline is communicated with the cleaning liquid main pipe through a second non-return device; first non return device internally mounted has the check ball, and the check ball downside installs return spring, and return spring passes through the mounting bracket to be fixed inside first non return device simultaneously.

Preferably, a compression spring is arranged between the first mounting plate and the fixing plate and sleeved outside the connecting pipe.

Preferably, the first sealing gasket and the second sealing gasket are of concentric circle structures, the connecting pipe is inserted into the second sealing gasket through the first sealing gasket, and meanwhile, the thickness of the second sealing gasket is larger than that of the first sealing gasket.

Preferably, the locating piece sets up to four groups along the circumference position of connecting pipe, and the angle between two sets of adjacent locating pieces is 90, and the connecting pipe passes through the locating piece to be pegged graft in the inside constant head tank of installation section of thick bamboo simultaneously, and the locating piece is trapezoidal setting with the constant head tank.

Preferably, the lower end of the cleaning liquid header pipe is provided with a limiting hole, the size of the limiting hole is matched with that of the check ball, and the check ball is of a lifting structure.

Preferably, the cleaning liquid branch pipe is communicated with the cleaning liquid main pipe, and the cleaning liquid main pipe is communicated with an outlet of an external cleaning liquid pump.

Preferably, the structure of the first non-return device is consistent with that of the second non-return device, and the non-return ball in the first non-return device is slidably connected in the limiting groove through the limiting blocks on two sides.

Preferably, the first pipeline is the same as the first pipeline in size, and the first pipeline are both provided with nozzles, and the nozzles are arranged inside the inner cavity.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the lower end of the check ball is impacted, so that the check ball covers the limiting hole of the cleaning liquid main pipe, and the feed liquid is prevented from flowing backwards into the cleaning liquid main pipe; the structure is simple and convenient to realize;

2. the cleaning liquid impacts the check ball, the check ball moves downwards under the action of the impact force, the cleaning liquid is sprayed out from a nozzle on the first pipeline through the first check device to clean the inner cavity, dirt is removed from the inner cavity periodically, and impurities are prevented from disturbing acquired data;

3. through dismantling the double-screw bolt from the installation piece, will show table and connecting pipe and pull out from the body through first mounting panel thereupon, it is convenient to have a dismantlement, and convenient maintenance work is fit for the characteristics of popularization.

Drawings

FIG. 1 is a side view of the structure of the present invention;

FIG. 2 is a schematic sectional view of the structure A-A of the present invention;

FIG. 3 is a schematic sectional view of the structural mounting cylinder of the present invention;

FIG. 4 is a schematic cross-sectional view of the structure B-B of the present invention;

FIG. 5 is a schematic view of the connecting tube structure of the present invention;

FIG. 6 is a front view of the structure of the present invention;

fig. 7 is a schematic structural view of a first non-return device of the present invention;

fig. 8 is a schematic view of the structure limiting hole of the present invention.

Reference numbers in the figures: 1. displaying the table; 2. a first mounting plate; 3. a compression spring; 4. a stud; 5. a fixing plate; 6. mounting the cylinder; 7. mounting blocks; 8. a connecting pipe; 9. a pipe body; 10. a liner; 11. a first gasket; 12. a second gasket; 13. positioning blocks; 14. a cleaning liquid header pipe; 15. a cleaning liquid branch pipe; 16. a nozzle; 17. a first non-return device; 18. a first conduit; 19. an inner cavity; 20. a second conduit; 21. a second non-return device; 22. a check ball; 23. a limiting block; 24. a limiting groove; 25. a return spring; 26. and a limiting hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution: an electromagnetic flowmeter for experiments comprises a display table 1 and a first pipeline 18, wherein the bottom of the display table 1 is provided with a connecting pipe 8, the display table 1 is fixedly connected with a first mounting plate 2, a pipe body 9 is welded with a mounting block 7, the lower end of a stud 4 penetrates through the first mounting plate 2 and is in threaded connection with the mounting block 7, a compression spring 3 is arranged between the first mounting plate 2 and a fixing plate 5, and the compression spring 3 is sleeved outside the connecting pipe 8; the pipe body 9 is fixedly connected with an installation cylinder 6, the installation cylinder 6 is connected with a fixing plate 5, a second sealing gasket 12 is arranged inside the installation cylinder 6, the bottom of the connecting pipe 8 is provided with a sensor, the surface of the connecting pipe 8 is provided with a first sealing gasket 11, and a positioning block 13 is arranged on the upper side of the first sealing gasket 11; the inner lining 10 is arranged inside the pipe body 9; the first sealing gasket 11 and the second sealing gasket 12 are in concentric circle structures, the connecting pipe 8 is inserted into the second sealing gasket 12 through the first sealing gasket 11, and meanwhile, the thickness of the second sealing gasket 12 is larger than that of the first sealing gasket 11; the positioning blocks 13 are arranged into four groups along the circumferential direction of the connecting pipe 8, the angle between two adjacent groups of positioning blocks 13 is 90 degrees, meanwhile, the connecting pipe 8 is inserted into the positioning groove in the mounting cylinder 6 through the positioning blocks 13, and the positioning blocks 13 and the positioning groove are both in trapezoidal arrangement; the first pipeline 18 and the first pipeline 18 are the same in size, the first pipeline 18 and the first pipeline 18 are both provided with the nozzle 16, and the nozzle 16 is arranged in the inner cavity 19; the first pipeline 18 is arranged in the inner wall of the pipe body 9, the first pipeline 18 is communicated with the cleaning liquid branch pipe 15 through the first non-return device 17, the cleaning liquid branch pipe 15 is communicated with the cleaning liquid main pipe 14, and the cleaning liquid main pipe 14 is communicated with an outlet of an external cleaning liquid pump; the second pipe 20 is communicated with the cleaning liquid header pipe 14 through a second check device 21; the lower end of the cleaning liquid main pipe 14 is provided with a limiting hole 26, the size of the limiting hole 26 is matched with that of the check ball 22, and the check ball 22 is of a lifting structure; a check ball 22 is arranged in the first check device 17, a return spring 25 is arranged on the lower side of the check ball 22, and the return spring 25 is fixed in the first check device 17 through a mounting frame; the structure of the first non-return device 17 is consistent with that of the second non-return device 21, and the non-return ball 22 in the first non-return device 17 is slidably connected in the limiting groove 24 through the limiting blocks 23 at two sides;

as shown in fig. 6-8: when cleaning liquid enters the cleaning liquid main pipe 14, the cleaning liquid impacts the check ball 22, the check ball 22 moves downwards under the action of impact force, the cleaning liquid is sprayed out from the nozzle 16 on the first pipeline 18 through the first check device 17 to clean the inner cavity 19, the working principle of the second check device 21 is consistent with that of the first check device 17, and repeated description is omitted, when liquid passes through the inner cavity 19, the lower end of the check ball 22 is impacted, so that the check ball 22 covers the limiting hole 26 of the cleaning liquid main pipe 14, and the liquid is prevented from being poured into the cleaning liquid main pipe 14; the structure is simple and convenient to realize;

as shown in fig. 1 and 6: through dismantling double-screw bolt 4 from installation piece 7, will show table 1 and connecting pipe 8 through first mounting panel 2 and pull out from body 9 thereupon, it is convenient to have a dismantlement, and convenient maintenance work is fit for the characteristics of popularization.

When the electromagnetic flow meter for experiments is used, a connecting pipe 8 at the bottom of a display meter 1 penetrates through an installation cylinder 6, a sensor at the bottom of the connecting pipe 8 is arranged inside an inner cavity 19 to carry out flow detection operation, a positioning block 13 on the connecting pipe 8 is inserted into a positioning groove inside the installation cylinder 6, a first sealing gasket 11 is in contact connection with a second sealing gasket 12 at the same time, the leakage is prevented, meanwhile, a stud 4 penetrates through a first installation plate 2 and is in threaded connection inside the installation block 7, the display meter 1 is fixed, a power switch of a cleaning liquid pump is turned on, cleaning liquid enters a cleaning liquid main pipe 14 and a cleaning liquid branch pipe 15 and is respectively sprayed out from nozzles 16 on a second pipeline 20 and a first pipeline 18, and the inner cavity 19 is cleaned; the inner cavity 19 is cleaned regularly to prevent impurities from disturbing the collected data; this is the entire process of operation of the electromagnetic flowmeter for this experiment.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An electromagnetic flowmeter for experiments, comprising a display meter (1) and a first pipeline (18), characterized in that: the bottom of the display meter (1) is provided with a connecting pipe (8), the display meter (1) is fixedly connected with a first mounting plate (2), a pipe body (9) is welded with a mounting block (7), the lower end of a stud (4) penetrates through the first mounting plate (2) to be in threaded connection with the mounting block (7), the pipe body (9) is fixedly connected with a mounting cylinder (6), the mounting cylinder (6) is connected with a fixing plate (5), a second sealing gasket (12) is arranged inside the mounting cylinder (6), the bottom of the connecting pipe (8) is provided with a sensor, a first sealing gasket (11) is arranged on the surface of the connecting pipe (8), and a positioning block (13) is arranged on the upper side of the first sealing gasket (11); a lining (10) is arranged inside the pipe body (9);

the first pipeline (18) is arranged in the inner wall of the pipe body (9), the first pipeline (18) is communicated with the cleaning liquid branch pipe (15) through a first check device (17), and the second pipeline (20) is communicated with the cleaning liquid main pipe (14) through a second check device (21); first non return device (17) internally mounted has check ball (22), and check ball (22) downside installs return spring (25), and return spring (25) pass through the mounting bracket to be fixed inside first non return device (17) simultaneously.

2. An electromagnetic flowmeter for experiments according to claim 1, characterized in that: a compression spring (3) is arranged between the first mounting plate (2) and the fixing plate (5), and the compression spring (3) is sleeved outside the connecting pipe (8).

3. An electromagnetic flowmeter for experiments according to claim 1, characterized in that: the first sealing gasket (11) and the second sealing gasket (12) are of concentric circle structures, the connecting pipe (8) is inserted into the second sealing gasket (12) through the first sealing gasket (11), and meanwhile the thickness of the second sealing gasket (12) is larger than that of the first sealing gasket (11).

4. An electromagnetic flowmeter for experiments according to claim 1, characterized in that: the positioning blocks (13) are arranged into four groups along the circumferential position of the connecting pipe (8), the angle between two adjacent groups of positioning blocks (13) is 90 degrees, meanwhile, the connecting pipe (8) is inserted into the positioning groove in the mounting barrel (6) through the positioning blocks (13), and the positioning blocks (13) and the positioning groove are both in trapezoidal arrangement.

5. An electromagnetic flowmeter for experiments according to claim 1, characterized in that: the lower end of the cleaning liquid main pipe (14) is provided with a limiting hole (26), the size of the limiting hole (26) is matched with that of the check ball (22), and the check ball (22) is of a lifting structure.

6. An electromagnetic flowmeter for experiments according to claim 1, characterized in that: the cleaning liquid branch pipe (15) is communicated with the cleaning liquid main pipe (14), and the cleaning liquid main pipe (14) is communicated with an outlet of an external cleaning liquid pump.

7. An electromagnetic flowmeter for experiments according to claim 1, characterized in that: the structure of the first non-return device (17) is consistent with that of the second non-return device (21), and the non-return balls (22) in the first non-return device (17) are connected in the limiting grooves (24) in a sliding mode through limiting blocks (23) on two sides.

8. An electromagnetic flowmeter for experiments according to claim 1, characterized in that: the first pipeline (18) and the first pipeline (18) are consistent in size, the first pipeline (18) and the first pipeline (18) are both provided with a nozzle (16), and meanwhile, the nozzle (16) is arranged inside the inner cavity (19).