CN219869820U - Vortex street flow sensor - Google Patents

Abstract

The utility model discloses a vortex street flow sensor which comprises a pipeline and a display screen, wherein the upper end of the pipeline is provided with a fixed pipe, the upper end of the fixed pipe is fixedly connected with the display screen, a sensor body is arranged in the fixed pipe, fixing frames are fixedly arranged at the upper end of the pipeline and positioned at the two sides of the fixed pipe, and a hole groove for the bottom end of the sensor body to penetrate is formed between the fixing frames at the two sides and positioned on the upper surface of the pipeline. According to the utility model, the bottom end of the fixed pipe is aligned with the inside of the connecting groove at the upper end of the pipeline, so that the through hole of the sensor body is arranged in the pipeline, at the moment, the first inclined blocks at the two sides of the fixed pipe are respectively in sliding contact with the inclined surfaces of the second inclined blocks, the spring rod is contracted under the action of the abutting pressure of the inclined surfaces, and the spring rod can bring the second inclined blocks to reset rapidly until the inclined surfaces of the first inclined blocks are no longer abutted with the inclined surfaces of the second inclined blocks, and the first inclined blocks are clamped with the second inclined blocks, so that the installation of the sensor body is completed.

Description

Vortex street flow sensor

Technical Field

The utility model relates to the technical field of vortex street flow sensors, in particular to a vortex street flow sensor.

Background

The vortex street flow sensor is a speed type flow meter which is manufactured by using the natural vibration principle of fluid and using piezoelectric crystal or differential capacitor as a detection component according to the Karman vortex street theory. The method has the advantages of no movable parts, wide measurement range, wide medium adaptability, high measurement precision, long verification period, long transmission signal distance, small pressure loss and the like, and can be widely applied to single-phase process metering and energy-saving management of various liquids, gases, vapors and the like in petrochemical industry, urban pipeline heat supply, water supply, coal gas and other industries;

aiming at the prior art, the patent number is: CN202221502843.8 a vortex street flow sensor casing, it is through the cooperation of high corrosion-resistant layer, laminating layer, gluey layer, intermediate level and interior bottom use to make vortex street flow sensor wholly can be high corrosion-resistant effect, and through the setting of strengthening the cover, can make the tube-shape casing safer, strengthen its intensity, and the setting of parcel layer, can make the tube-shape casing more stable, has strengthened holistic connection fastening nature, but vortex street flow sensor can influence the measurement result when the environment of medium dirtier or easy scale deposit is used.

The vortex street flow sensor is positioned in the fixed pipe, and the fixed pipe is fixedly connected with the pipeline, so that the disassembly is inconvenient, and the installation and maintenance work efficiency is low; therefore, the existing requirements are not met, and a vortex street flow sensor is provided for the purpose.

Disclosure of Invention

The utility model aims to provide a vortex street flow sensor, which solves the problems that the vortex street flow sensor provided in the background art can influence the metering result when used in a medium dirty or scaling-prone environment, and the vortex street flow sensor is positioned in a fixed pipe which is fixedly connected with a pipeline, so that the disassembly is inconvenient, and the installation and maintenance work efficiency is low.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a vortex street flow sensor, includes pipeline and display screen, the upper end of pipeline is equipped with fixed pipe, the upper end fixedly connected with display screen of fixed pipe, the inside of fixed pipe is equipped with the sensor body, the upper end of pipeline just is located the both sides of fixed pipe and all fixes and be equipped with the mount, both sides between the mount and be located the upper surface of pipeline and seted up the hole groove that supplies the bottom of sensor body to run through.

Preferably, the outer surface fixed cover of fixed pipe bottom is equipped with the collar, the collar is close to the both sides of bottom and all is fixed and be equipped with first sloping block, both sides the equal fixed mounting of cell wall of mount has the spring lever, the one end fixed mounting of spring lever has the second sloping block, the inclined plane of first sloping block and second sloping block sets up relatively.

Preferably, a connecting groove corresponding to the mounting ring is formed in the upper surface of the pipeline and located at the outer side of the hole groove, and a sealing ring is fixedly arranged in the connecting groove.

Preferably, a pair of pull rods are movably arranged on one sides, away from each other, of the fixing frames, one ends of the pull rods are fixedly connected with the second inclined blocks, and one ends, away from the second inclined blocks, of the pull rods penetrate through the outer side walls of the fixing frames and are fixedly connected with the pull blocks.

Preferably, sealing plates are fixedly mounted on two sides of the outer wall of the mounting ring, the sealing plates on two sides are respectively covered at the upper end of the fixing frame, and the sealing plates are located above the first inclined blocks.

Preferably, the outer surface of the display screen is fixedly sleeved with a protective shell, and the vortex street generator is fixedly arranged in the pipeline.

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

1. according to the utility model, the bottom end of the fixed pipe is aligned with the inside of the connecting groove at the upper end of the pipeline, so that the through hole of the sensor body is arranged in the pipeline, meanwhile, the first inclined blocks at the two sides of the fixed pipe are respectively aligned with the connecting fixing frame and pushed in, the inclined planes of the first inclined blocks are respectively in sliding contact with the inclined planes of the second inclined blocks, under the action of the pressing action of the inclined planes, the spring rod is contracted until the inclined planes of the first inclined blocks are not pressed against the inclined planes of the second inclined blocks any more, the spring rod can quickly reset with the second inclined blocks, and therefore, the first inclined blocks can be clamped with the second inclined blocks, at the moment, the installation of the sensor body is completed, and when the sensor body is required to be cleaned, the spring rod is contracted by pulling the pull blocks until the second inclined blocks are moved to be not clamped with the first inclined blocks any more, at the moment, the fixed pipe can be taken down, the sensor body is convenient to clean, the tedious steps are avoided, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the pipe and the fixed pipe according to the present utility model;

FIG. 3 is a top cross-sectional view of the utility model at A in FIG. two;

fig. 4 is a side cross-sectional view of the utility model at a in fig. two.

In the figure: 1. a pipe; 2. a fixed tube; 3. a display screen; 4. a protective housing; 5. vortex street generator; 6. a sensor body; 7. a mounting ring; 701. a sealing plate; 8. a first sloping block; 9. a connecting groove; 10. a seal ring; 11. a fixing frame; 12. a spring rod; 13. a second sloping block; 14. a pull rod; 15. pulling blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1 to 4, an embodiment of the present utility model provides: the utility model provides a vortex street flow sensor, includes pipeline 1 and display screen 3, and pipeline 1's upper end is equipped with fixed pipe 2, and fixed pipe 2's upper end fixedly connected with display screen 3, and fixed pipe 2's inside is equipped with sensor body 6, and pipeline 1's upper end and the both sides that are located fixed pipe 2 are all fixed to be equipped with mount 11, and the hole groove that supplies sensor body 6's bottom to run through has been seted up to the upper surface that just is located pipeline 1 between the both sides mount 11.

The upper surface of pipeline 1 just is located the spread groove's the outside and has seted up spread groove 9 that corresponds with collar 7, through aiming at the bottom of fixed pipe 2 inside spread groove 9 of pipeline 1 upper end for inside pipeline 1 is arranged in to sensor body 6 through the spread groove, and the inside of spread groove 9 is fixed and is equipped with sealing washer 10, and sealing washer 10 can avoid the fluid to enter into in the fixed pipe 2.

The fixed pipe 2 bottom's surface fixation cover is equipped with collar 7, the both sides that collar 7 is close to the bottom are all fixed to be equipped with first sloping block 8, the equal fixed mounting of cell wall of both sides mount 11 has spring bar 12, the one end fixed mounting of spring bar 12 has second sloping block 13, first sloping block 8 sets up with the inclined plane of second sloping block 13 relatively, one side that mount 11 kept away from each other all activity is equipped with a pair of pull rod 14, the one end and the second sloping block 13 fixed connection of pull rod 14, the one end that second sloping block 13 was kept away from to pull rod 14 runs through the lateral wall of mount 11 and fixedly connected with pull block 15.

The sealing plate 701 is fixedly installed on two sides of the outer wall of the mounting ring 7, the sealing plates 701 on two sides are respectively covered on the upper end of the fixing frame 11, the sealing plate 701 is located above the first inclined block 8, and after the sensor body 6 is installed, the sealing plates 701 on two sides of the mounting ring 7 are propped against the fixing frame 11, so that dust can be prevented from entering the fixing frame 11.

The fixed cover of surface of display screen 3 is equipped with protecting sheathing 4, through protecting sheathing 4's setting, can make the surface of display screen 3 safer, avoids appearing by external force crashing out the phenomenon, and the inside of pipeline 1 is fixed to be equipped with vortex street generator 5.

When the sensor is used, the bottom end of the fixed pipe 2 is aligned with the inside of the connecting groove 9 at the upper end of the pipeline 1, the through hole of the sensor body 6 is arranged in the pipeline 1, meanwhile, the first inclined blocks 8 at two sides of the fixed pipe 2 are respectively aligned with the connecting fixing frame 11 and pushed in, the inclined planes of the first inclined blocks 8 are respectively in sliding contact with the inclined planes of the second inclined blocks 13, under the action of the pressing of the inclined planes, the spring rod 12 is contracted until the inclined planes of the first inclined blocks 8 are not abutted with the inclined planes of the second inclined blocks 13, the spring rod 12 is brought to rapidly reset with the second inclined blocks 13, so that the first inclined blocks 8 can form clamping connection with the second inclined blocks 13, the installation of the sensor body 6 is completed at the moment, and when the sensor body 6 is required to be cleaned, the fixed pipe 2 can be taken down at the moment until the second inclined blocks 13 are moved to be not clamped with the first inclined blocks 8, the sensor body 6 is convenient to clean, and complicated steps are avoided, and the working efficiency is improved.

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 (2)

1. The utility model provides a vortex street flow sensor, includes pipeline (1) and display screen (3), its characterized in that: the upper end of the pipeline (1) is provided with a fixed pipe (2), the upper end of the fixed pipe (2) is fixedly connected with a display screen (3), the inside of the fixed pipe (2) is provided with a sensor body (6), the upper end of the pipeline (1) and the two sides of the fixed pipe (2) are fixedly provided with fixing frames (11), and the two sides of the fixed frame (11) are provided with a hole slot for the bottom end of the sensor body (6) to penetrate through on the upper surface of the pipeline (1);

the outer surface of the bottom end of the fixed pipe (2) is fixedly sleeved with a mounting ring (7), both sides of the mounting ring (7) close to the bottom end are fixedly provided with a first inclined block (8), both sides of the groove wall of the fixed frame (11) are fixedly provided with a spring rod (12), one end of the spring rod (12) is fixedly provided with a second inclined block (13), and the inclined surfaces of the first inclined block (8) and the second inclined block (13) are oppositely arranged;

a connecting groove (9) corresponding to the mounting ring (7) is formed in the upper surface of the pipeline (1) and positioned at the outer side of the hole groove, and a sealing ring (10) is fixedly arranged in the connecting groove (9);

a pair of pull rods (14) are movably arranged on one sides of the fixing frames (11) which are far away from each other, one ends of the pull rods (14) are fixedly connected with the second inclined blocks (13), and one ends of the pull rods (14) which are far away from the second inclined blocks (13) penetrate through the outer side walls of the fixing frames (11) and are fixedly connected with pull blocks (15);

the two sides of the outer wall of the mounting ring (7) are fixedly provided with sealing plates (701), the two sides of the sealing plates (701) are respectively covered at the upper end of the fixing frame (11), and the sealing plates (701) are positioned above the first inclined blocks (8).

2. A vortex street flow sensor as claimed in claim 1, characterised in that: the outer surface of the display screen (3) is fixedly sleeved with a protective shell (4), and a vortex street generating body (5) is fixedly arranged in the pipeline (1).