CN220136407U

CN220136407U - Vortex street flowmeter

Info

Publication number: CN220136407U
Application number: CN202320865028.6U
Authority: CN
Inventors: 李大亮; 刘然
Original assignee: Tianjin Gaoli Electrical Science & Technology Co ltd
Current assignee: Tianjin Gaoli Electrical Science & Technology Co ltd
Priority date: 2023-04-17
Filing date: 2023-04-17
Publication date: 2023-12-05
Anticipated expiration: 2033-04-17

Abstract

The utility model discloses a vortex shedding flowmeter, which belongs to the technical field of pipeline fluid measurement and comprises a pipeline, wherein first through holes which are arranged at equal intervals are formed in two ends of the pipeline, two connecting pipes and two first sealing rings are respectively arranged outside the pipeline, second through holes which are arranged at equal intervals are formed in one side surface of each connecting pipe, which is close to each other, are formed in the outer surface of each first sealing ring, third through holes which are arranged at equal intervals are formed in the outer surface of each first sealing ring, a plurality of first screws are arranged outside the pipeline, the water pipe and the connecting pipes can be directly and tightly mounted together through the first sealing rings arranged between the pipeline and the connecting pipes, and the joint of the water pipe and the connecting pipes can be kept compact through the second sealing rings arranged above the joint of the water pipe and the connecting pipes.

Description

Vortex street flowmeter

Technical Field

The utility model belongs to the technical field of pipeline fluid measurement, and particularly relates to a vortex shedding flowmeter.

Background

The vortex street flowmeter is a volume flowmeter for measuring the volume flow of gas, steam or liquid, the volume flow of standard conditions or the mass flow of industrial pipeline medium fluid according to the karman vortex street principle research production, is mainly used for measuring the flow of the industrial pipeline medium fluid, such as various mediums of gas, liquid, steam and the like, but the installation structure of the existing flange type vortex street flowmeter is simple, the load of the flowmeter itself causes sealing phase difference in the use process, the situation of water leakage easily occurs, and the service life of the vortex street flowmeter is reduced.

Therefore, to solve the above problems, we provide a vortex shedding flowmeter.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a vortex shedding flowmeter, which aims to solve the technical problem of service life reduction caused by poor tightness in the use process due to the load of the flowmeter.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a vortex shedding flowmeter, includes the pipeline, the first through-hole that the equidistance was arranged has all been seted up at the both ends of pipeline, the outside of pipeline is equipped with two connecting pipes and two first sealing washer respectively, every the second through-hole that the equidistance was arranged has all been seted up to a side that the connecting pipe is close to each other, the third through-hole that the equidistance was arranged has been seted up to the surface of first sealing washer, the outside of pipeline is equipped with a plurality of first screws, every the one end of first screw all runs through first through-hole, third through-hole and second through-hole in proper order and extends to the outside of connecting pipe, every first nut is all installed to the equal screw thread in first screw one end.

As the preferable technical scheme of the utility model, the water pipes are clamped at the ends of the two connecting pipes, which are far away from each other, and the second sealing rings are arranged at the ends of the water pipes, which are close to each other, and the inner walls of the second sealing rings are contacted with the water pipes and the connecting pipes.

As the preferable technical scheme of the utility model, two fixed semi-ring plates and two second screws are arranged outside each second sealing ring, a fourth through hole is formed in two ends of each fixed semi-ring plate, one end of each second screw penetrates through the fourth through hole and extends to the outside of the fixed semi-ring plate, and a second nut is arranged at one end of each second screw in a threaded manner.

As a preferable technical scheme of the utility model, an arrow is printed on the outer surface of the pipeline, and a baffle is fixedly arranged on the inner wall of the pipeline.

As a preferable technical scheme of the utility model, the upper surface of the pipeline is communicated with a measuring pipe, and a display is arranged on the inner wall of the measuring pipe in a threaded manner.

As a preferable technical scheme of the utility model, the inner wall of the measuring tube is fixedly provided with a mechanical sensor, a baffle and a flow measuring and calculating instrument respectively.

The utility model provides a vortex shedding flowmeter, which has the following beneficial effects:

according to the utility model, the first sealing ring is arranged between the pipeline and the connecting pipe, the pipeline, the first sealing ring and the connecting pipe are assembled together through the first screw and the first nut, so that the water pipe and the connecting pipe can be directly and tightly installed together, the second sealing ring is arranged above the clamping joint of the water pipe and the connecting pipe, and the two fixed semi-ring plates are fixed above the second sealing ring through the second screw and the second nut, so that the joint of the water pipe and the connecting pipe can keep tightness.

Drawings

FIG. 1 is a schematic perspective view of a vortex shedding flowmeter according to the present utility model;

FIG. 2 is a front cross-sectional view of a vortex shedding flowmeter according to the present utility model;

FIG. 3 is a side cross-sectional view of a retaining ring in a vortex shedding flowmeter according to the present utility model;

fig. 4 is an enlarged schematic view of the structure at a in fig. 2.

In the figure: 1. a pipe; 2. a measuring tube; 3. a display; 4. a water pipe; 5. fixing the semi-annular plate; 6. a first screw; 7. a connecting pipe; 8. a baffle; 9. a flow measuring instrument; 10. a baffle; 11. a mechanical sensor; 12. a second seal ring; 13. a second screw; 14. a second nut; 15. a fourth through hole; 16. a first through hole; 17. a third through hole; 18. a second through hole; 19. a first nut; 20. a first seal ring; 21. arrows.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a vortex shedding flowmeter, including pipeline 1, first through-hole 16 that the equidistance was arranged have all been seted up at pipeline 1's both ends, pipeline 1's outside is equipped with two connecting pipes 7 and two first sealing washer 20 respectively, the second through-hole 18 that the equidistance was arranged has all been seted up to one side that every connecting pipe 7 is close to each other, the third through-hole 17 that the equidistance was arranged has been seted up to the surface of first sealing washer 20, pipeline 1's outside is equipped with a plurality of first screws 6, the one end of every first screw 6 all runs through first through-hole 16 in proper order, third through-hole 17 and second through-hole 18 and extends to the outside of connecting pipe 7, first nut 19 is all installed to the equal screw thread of every first screw 6 one end.

Wherein, the equal joint of one end that two connecting pipes 7 kept away from each other has water pipe 4, and the one end that every water pipe 4 is close to each other all is equipped with second sealing washer 12, and the inner wall of every second sealing washer 12 all contacts with water pipe 4 and connecting pipe 7, through at connecting pipe 7 surface glue and with water pipe 4 joint, can guarantee the compactness of being connected between them, through the externally mounted second sealing washer 12 at junction for the sealing performance of junction obtains further guarantee.

Wherein, the outside of every second sealing washer 12 all is equipped with two fixed semi-annular plates 5 and two second screws 13, fourth through-hole 15 has all been seted up at the both ends of every fixed semi-annular plate 5, the one end of every second screw 13 all runs through fourth through-hole 15 and extends to the outside of fixed semi-annular plate 5, the second nut 14 is all installed to the equal screw thread of one end of every second screw 13, fix the fixed semi-annular plate 5 firmly at the surface of second sealing washer 12 through second screw 13 for second sealing washer 12 can closely laminate with the junction, can not take place the problem of revealing.

The outer surface of the pipeline 1 is printed with an arrow 21, the inner wall of the pipeline 1 is fixedly provided with a baffle 8, the direction of the arrow 21 represents the advancing direction of fluid, the device is convenient for workers to correctly install, the baffle 8 is an obstacle for interfering a flow factory, the fluid flows through the baffle 8 to form a left-right alternative vortex, and the fluid is taken away.

Wherein, the upper surface of pipeline 1 communicates and has survey pipe 2, and the inner wall screw thread of survey pipe 2 installs display 3, thereby flow meter 9 transmits the speed reading to display 3 to show the fluid data.

Wherein, the inner wall of the measuring tube 2 is fixedly provided with a mechanical sensor 11, a baffle 10 and a flow measuring and calculating instrument 9 respectively, the mechanical sensor 11 swings back and forth to form an electric signal in the vortex movement, thereby recording the frequency generated by the vortex, the mechanical sensor 11 transmits the electric signal to the flow measuring and calculating instrument 9 through a circuit, and the flow measuring and calculating instrument 9 processes and converts the electric signal into a quantifiable speed reading.

Specific use and action of the embodiment:

when the utility model is used, a first sealing ring 20 is arranged between the pipeline 1 and the connecting pipe 7 by a worker, the pipeline 1, the first sealing ring 20 and the connecting pipe 7 are assembled together through a first screw 6 and a first nut 19, then the connecting pipe 7 is clamped with the water pipe 4 by the worker, a second sealing ring 12 is arranged at the joint of the connecting pipe 7 and the water pipe 4, then the two fixed semi-annular plates 5 are fixed above the second sealing ring 12 through a second screw 13 and a second nut 14, and then fluid is started for measurement.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A vortex shedding flowmeter, characterized in that: including pipeline (1), first through-hole (16) that equidistance was arranged are seted up at the both ends of pipeline (1), the outside of pipeline (1) is equipped with two connecting pipes (7) and two first sealing washer (20) respectively, every second through-hole (18) that the equidistance was arranged are all seted up to the side that connecting pipe (7) are close to each other, third through-hole (17) that the equidistance was arranged are seted up to the surface of first sealing washer (20), the outside of pipeline (1) is equipped with a plurality of first screws (6), every the one end of first screw (6) all runs through first through-hole (16), third through-hole (17) and second through-hole (18) in proper order and extends to the outside of connecting pipe (7), every equal screw thread mount in one end that connecting pipe (6) one end that is kept away from each other has water pipe (4), every the one end that water pipe (4) are close to each other all is equipped with second sealing washer (12), every inner wall and water pipe (4) that second sealing washer (12) all contact mutually.

2. A vortex shedding flowmeter as claimed in claim 1, wherein: two fixed semi-annular plates (5) and two second screws (13) are arranged outside each second sealing ring (12), and fourth through holes (15) are formed in two ends of each fixed semi-annular plate (5).

3. A vortex shedding flowmeter as claimed in claim 2, wherein: one end of each second screw (13) penetrates through the fourth through hole (15) and extends to the outside of the fixed semi-annular plate (5), and a second nut (14) is arranged at one end of each second screw (13) in a threaded mode.

4. A vortex shedding flowmeter as claimed in claim 1, wherein: the outer surface of the pipeline (1) is printed with an arrow (21), and a baffle (8) is fixedly arranged on the inner wall of the pipeline (1).

5. A vortex shedding flowmeter as claimed in claim 1, wherein: the upper surface of pipeline (1) communicates has survey pipe (2), the inner wall screw thread of survey pipe (2) is installed display (3).

6. A vortex shedding flowmeter as claimed in claim 5, wherein: the inner wall of the measuring tube (2) is fixedly provided with a mechanical sensor (11), a baffle (10) and a flow measuring and calculating instrument (9) respectively.