CN210774198U

CN210774198U - High-precision electromagnetic flowmeter

Info

Publication number: CN210774198U
Application number: CN201922102221.0U
Authority: CN
Inventors: 于字会
Original assignee: Weihai Weiliu Measurement And Control Instrument Co ltd
Current assignee: Weihai Weiliu Measurement And Control Instrument Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-06-16
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses a high accuracy electromagnetic flowmeter, it includes measuring pipe and converter, is provided with down the connecting pipe on the measuring pipe, is provided with the connecting pipe on the converter, goes up the lower extreme fixedly connected with lug of connecting pipe outside table wall. The utility model discloses in, set up the dog on the inner wall of lower connecting pipe, set up the baffle on the fixture block, the benefit of adopting this design lies in: the connecting pipe is placed on the lower connecting pipe, and the connecting pipe is rotated, the lug can promote the fixture block compression spring, until the lug contacts the stop dog and can't continue to rotate, because lug and fixture block are the sawtooth structure, the spring promotes fixture block and lug complete joint this moment, it is spacing to carry out the lug in vertical direction through the baffle simultaneously, thereby make measuring pipe and converter fixed connection, this design is accomplished fixedly under the condition that does not use the bolt, the installation has been made things convenient for and workman's heavy burden has been alleviateed, and help improving maintenance and installation effectiveness.

Description

High-precision electromagnetic flowmeter

Technical Field

The utility model relates to an electromagnetic flowmeter technical field especially relates to a high accuracy electromagnetic flowmeter.

Background

The electromagnetic flowmeter is a new type of flow measuring instrument which is rapidly developed along with the development of electronic technology in 50-60 years of 20 th century. The electromagnetic flowmeter measures the flow of conducting fluid based on the electromotive force induced when the conducting fluid passes through external magnetic field by means of electromagnetic induction principle.

The existing electromagnetic flow structure mainly comprises a magnetic circuit system, a measuring conduit, an electrode, a shell, a lining, a converter and the like, wherein the converter is connected with the measuring conduit mostly through a bolt, the bolt has the problem of aging and rusting after being contacted with air for a long time, and when the converter is disassembled and maintained, a worker needs to carry a disassembling tool, so that the load of the worker is increased, and the maintenance efficiency is also improved.

Disclosure of Invention

The utility model aims to provide a: the high-precision electromagnetic flowmeter aims to solve the problem that a converter and a measuring pipeline of an existing electromagnetic flowmeter are inconvenient to disassemble and assemble.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a high accuracy electromagnetic flowmeter, including measuring pipeline and converter, the last connecting pipe down that is provided with of measuring pipeline, be provided with the connecting pipe on the converter, the lower extreme fixedly connected with lug of going up the outside table wall of connecting pipe, the interior table wall of lower connecting pipe is seted up flutedly, the inside of recess is equipped with the fixture block, the lug can with the fixture block joint, the recess is close to one side of connecting pipe outside table wall down and has seted up the through-hole, the inside of through-hole is equipped with the slide bar, the outside of slide bar is equipped with the spring, the one end that lower connecting pipe was kept away.

As a further description of the above technical solution:

the fixture blocks are of a sawtooth structure and are arranged in a plurality of numbers, and the fixture blocks are arranged circumferentially around the axial center line of the upper connecting pipe.

As a further description of the above technical solution:

one side of the clamping block, which is close to the upper connecting pipe, is of a sawtooth structure, and a baffle is fixedly connected to the upper end face of the clamping block.

As a further description of the above technical solution:

the fixture block is connected with the groove in a sliding mode, the through hole is in clearance fit with the sliding rod, and one end, far away from the fixture block, of the spring is fixedly connected with the groove.

As a further description of the above technical solution:

the inner surface wall of the lower connecting pipe is fixedly connected with a stop block, and the stop block is positioned on one side of the groove.

As a further description of the above technical solution:

the baffle is arc structure to with last connecting pipe sliding connection.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, set up down the connecting pipe on the measuring tube, set up the connecting pipe on the converter, the lower extreme of going up the connecting pipe has set up the lug, and the inside of lower connecting pipe has set up the recess, and the inside of recess has set up the fixture block, and the fixture block passes through spring coupling with the recess, has set up the dog on the inner wall of lower connecting pipe, has set up the baffle on the fixture block, adopts the benefit of this design to lie in: the connecting pipe is placed on the lower connecting pipe, and the connecting pipe is rotated, the lug can promote the fixture block compression spring, until the lug contacts the stop dog and can't continue to rotate, because lug and fixture block are the sawtooth structure, the spring promotes fixture block and lug complete joint this moment, it is spacing to carry out the lug in vertical direction through the baffle simultaneously, thereby make measuring pipe and converter fixed connection, this design is accomplished fixedly under the condition that does not use the bolt, the installation has been made things convenient for and workman's heavy burden has been alleviateed, and help improving maintenance and installation effectiveness.

2. The utility model discloses in, the recess be close to down one side of connecting tube outside table wall and set up the through-hole, the through-hole is inside to be set up the slide bar, and the slide bar is connected with the fixture block, adopts the benefit of this design to lie in: the convex block is separated from the clamping block by pulling the sliding rod outwards, and the converter can be separated from the measuring pipeline by pulling the converter upwards, so that the converter is convenient to disassemble.

Drawings

Fig. 1 is a schematic diagram illustrating an overall structure of an electromagnetic flowmeter according to an embodiment of the present invention;

fig. 2 is a schematic diagram illustrating an internal end surface structure of an upper connection pipe and a lower connection pipe according to an embodiment of the present invention;

fig. 3 shows a schematic view of a connection structure between the fixture block and the baffle according to an embodiment of the present invention.

Illustration of the drawings:

1. measuring a pipeline; 2. a lower connecting pipe; 3. an upper connecting pipe; 4. a converter; 5. a bump; 6. a clamping block; 7. a groove; 8. a through hole; 9. a slide bar; 10. a spring; 11. a baffle plate; 12. and a stop block.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a high accuracy electromagnetic flowmeter, it includes measuring tube 1 and converter 4, be provided with connecting pipe 2 down on the measuring tube 1, be provided with connecting pipe 3 on the converter 4, the lower extreme fixedly connected with lug 5 of the outer table wall of last connecting pipe 3, recess 7 has been seted up to the interior table wall of lower connecting pipe 2, the inside of recess 7 is equipped with fixture block 6, lug 5 can with fixture block 6 joint, recess 7 is close to one side of the outer table wall of connecting pipe 2 down and has seted up through-hole 8, the inside of through-hole 8 is equipped with slide bar 9, slide bar 9's the outside is equipped with spring 10, slide bar 9 and spring 10 keep away from down connecting pipe 2's one end all with fixture block 6 fixed connection, the dismouting of convenient measuring tube 1 of joint through lug 5 and fixture block 6, and then help improving workman.

Specifically, as shown in fig. 2 and 3, the fixture block 6 is a zigzag structure and is provided with a plurality of, and a plurality of fixture blocks 6 are arranged around the axial center line circumference of the upper connecting pipe 3, and one side of the fixture block 6 close to the upper connecting pipe 3 is a zigzag structure, and the upper end face fixedly connected with baffle 11 of the fixture block 6, the baffle 11 is an arc structure, and with the upper connecting pipe 3 sliding connection, the zigzag bumps 5 and the fixture block 6 help to improve the stability of the clamping, and reduce the looseness during the fixing.

Specifically, as shown in fig. 2, the fixture block 6 is slidably connected to the groove 7, the through hole 8 is in clearance fit with the slide rod 9, one end of the spring 10, which is far away from the fixture block 6, is fixedly connected to the groove 7, the slide rod 9 can drive the fixture block 6 to be separated from the protrusion 5 by sliding, and the spring 10 can push the fixture block 6 to be completely clamped to the protrusion 5.

Specifically, as shown in fig. 2, a stopper 12 is fixedly connected to the inner surface wall of the lower connecting pipe 2, the stopper 12 is located on one side of the groove 7, the stopper 12 plays a limiting role in the protrusion 5, and the protrusion 5 can be prevented from rotating by matching with the fixture block 6.

The working principle is as follows: when the device is used, firstly, when a worker installs the converter 4, the lower connecting pipe 2 and the upper connecting pipe 3 are axially aligned, then the converter 4 is put down, the lower end of the upper connecting pipe 3 enters the lower connecting pipe 2 until the horizontal end faces of the lower connecting pipe 2 and the upper connecting pipe 3 are mutually attached, then the upper connecting pipe 3 is rotated to enable the lug 5 and the fixture block 6 to be mutually occluded, at the moment, the lug 5 cannot drive the upper connecting pipe 3 to rotate through the fixture block 6 and the fixture block 12, meanwhile, the baffle 11 is positioned above the lug 5, the upper connecting pipe 3 cannot be pulled out, and then the measuring pipeline 1 is fixedly connected with the converter 4; secondly, when dismantling converter 4, the workman uses the hand to draw slide bar 9 to the outside, makes spring 10 compress to make lug 5 and fixture block 6 separate, lug 5 does not have spacingly this moment, and upward lifting connecting pipe 3 can make measuring tube 1 and converter 4 separate, through foretell step, the dismouting of converter 4 need not use the instrument, and need not use tools such as bolt, and then has solved the inconvenient dismouting problem of current electromagnetic flowmeter's converter 4 and measuring tube 1.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A high-precision electromagnetic flowmeter comprises a measuring pipeline (1) and a converter (4), a lower connecting pipe (2) is arranged on the measuring pipeline (1), an upper connecting pipe (3) is arranged on the converter (4), it is characterized in that the lower end of the outer surface wall of the upper connecting pipe (3) is fixedly connected with a convex block (5), a groove (7) is formed in the inner surface wall of the lower connecting pipe (2), a clamping block (6) is arranged inside the groove (7), the convex block (5) can be clamped with the clamping block (6), one side of the groove (7) close to the outer surface wall of the lower connecting pipe (2) is provided with a through hole (8), a sliding rod (9) is arranged in the through hole (8), a spring (10) is arranged on the outer side of the sliding rod (9), the sliding rod (9) and one end, far away from the lower connecting pipe (2), of the spring (10) are fixedly connected with the clamping block (6).

2. A high accuracy electromagnetic flowmeter as set forth in claim 1 wherein said cartridge (6) is of a saw-tooth configuration and is provided in plurality, said plurality of cartridges (6) being circumferentially arranged around an axial centerline of said upper connection pipe (3).

3. A high accuracy electromagnetic flowmeter as set forth in claim 1 wherein said cartridge (6) has a saw-toothed configuration on a side thereof adjacent to said upper connection pipe (3), and a baffle (11) is fixedly attached to an upper end surface of said cartridge (6).

4. A high accuracy electromagnetic flowmeter as claimed in claim 1 wherein said fixture block (6) is slidably connected to said recess (7), said through hole (8) is in clearance fit with said slide bar (9), and an end of said spring (10) remote from said fixture block (6) is fixedly connected to said recess (7).

5. A high accuracy electromagnetic flowmeter as claimed in claim 1 wherein said lower connector tube (2) has a stop (12) fixedly attached to its inner surface wall, said stop (12) being located to one side of said recess (7).

6. A high accuracy electromagnetic flowmeter as set forth in claim 3 wherein said baffle (11) is of arcuate configuration and is slidably connected to said upper connector tube (3).