CN213842272U

CN213842272U - Vortex street flowmeter for gas

Info

Publication number: CN213842272U
Application number: CN202023323316.4U
Authority: CN
Inventors: 肖昭荣; 练瑞香
Original assignee: Shenzhen Flowruid Instrument Co ltd
Current assignee: Shenzhen Flowruid Instrument Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-07-30
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a vortex flowmeter for gas, the connecting pipe comprises a connecting pipe, the periphery of connecting pipe is provided with the buffer layer, the equal fixed connection of damping spring's the other end is in one side of shock attenuation board, the first blotter of outside fixedly connected with of flowmeter body, the edge of casing front end is provided with the recess, the one end of casing is provided with the draw-in groove, the other end of casing is connected with the lid through hinge rotation, the other end fixedly connected with buckle of hinge is kept away from to the lid, the edge fixedly connected with rubber circle of lid front end. The utility model discloses in, through shock attenuation board, damping spring, buffer layer and first blotter, effectively avoid the vortex shedding flowmeter whole impaired, prevent to influence measurement accuracy, through, hinge, lid, buckle, draw-in groove, rubber circle and recess, effectively prevent the entering of dust and moisture, excellent in use effect is worth wideling popularize.

Description

Vortex street flowmeter for gas

Technical Field

The utility model relates to a vortex flowmeter technical field especially relates to a vortex flowmeter for gas.

Background

The vortex street flowmeter is produced based on Karman vortex street principle, and is mainly used for measuring flow of industrial pipeline medium fluid, such as various media of gas, liquid and steam, etc. it features small pressure loss, wide range of measurement, high accuracy, little influence of fluid density, pressure, temperature and viscosity, no movable mechanical parts, high reliability, small maintenance, stable meter parameters, and high reliability.

The gas vortex flowmeter that current gas was used does not generally possess safeguard function, when receiving external impact, easily makes vortex flowmeter impaired, directly influences measurement accuracy, and the data display screen exposes outside for a long time moreover, easily makes dust and moisture get into the flowmeter in, leads to shortening its life.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a vortex street flowmeter for gas.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a vortex shedding flowmeter for gas comprises a connecting pipe, wherein a buffer layer is arranged on the periphery of the connecting pipe, a partition plate is fixedly connected on the periphery of the buffer layer, the periphery of the partition plate is fixedly connected with one end of a plurality of damping springs, the other end of each damping spring is fixedly connected with one side of a damping plate, the periphery of each damping plate is fixedly connected with the inner side of a protective cover, the top of the connecting pipe penetrates through the middle position of the top of the protective cover and is fixedly connected with the middle position of the bottom of a flowmeter body, a second buffer cushion is arranged on the periphery of the connecting pipe between the bottom of the flowmeter body and the top of the protective cover, a first buffer cushion is fixedly connected on the outer side of the flowmeter body, a display screen is arranged at the front end of the flowmeter body and is arranged at the middle position inside a shell, a groove is arranged at the edge of the front end of the shell, and a clamping groove is arranged at one end of the shell, the other end of the shell is rotatably connected with a cover through a hinge, the other end of the cover, far away from the hinge, is fixedly connected with a buckle, the edge of the front end of the cover is fixedly connected with a rubber ring, and the inner side of the cover is provided with an observation port.

As a further description of the above technical solution:

the first cushion pad and the second cushion pad are made of rubber materials.

As a further description of the above technical solution:

the buckle and the clamping groove are clamped with each other.

As a further description of the above technical solution:

the periphery of connecting pipe is provided with third blotter and third blotter for the rubber material in the department of running through at the protection casing top.

As a further description of the above technical solution:

the protective cover is cylindrical.

As a further description of the above technical solution:

the bottom of the protective cover is fixedly connected to the top of the pipeline.

As a further description of the above technical solution:

the bottom of the connecting pipe is fixedly connected to the middle position of the top of the pipeline.

As a further description of the above technical solution:

the observation port is made of toughened glass materials.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, at first when the whole external shock that receives of gas vortex flowmeter for gas, the shock attenuation board within the protection casing can carry out the first buffering to the impact force, rethread damping spring carries out the secondary buffering to it, twice buffering can effectually offset most impact force, at last rethread buffer layer cushions and offsets remaining impact force, effectively reduce the impact damage of impact force to the connecting pipe, secondly outside first blotter of flowmeter body can cushion the impact force, effectively avoid vortex flowmeter wholly impaired, prevent to influence measurement accuracy.

2. The utility model discloses in, the display screen is established in the inside of casing, utilizes hinge and lid to cooperate, makes the buckle block on the draw-in groove, and the inside of the recess of casing can be filled into to the rubber circle on its lid, effectively prevents the entering of dust and moisture, prolongs the life of flowmeter, and excellent in use effect is worth wideling popularize.

Drawings

FIG. 1 is an internal structure view of a gas vortex shedding flowmeter according to the present invention;

FIG. 2 is a structural view of a flowmeter body of the vortex shedding flowmeter for gas of the present invention;

fig. 3 is an enlarged view of a point a in fig. 1.

Illustration of the drawings:

1. a pipeline; 2. a protective cover; 3. a damper plate; 4. a damping spring; 5. a first cushion pad; 6. a housing; 7. a display screen; 8. a buffer layer; 9. a connecting pipe; 10. a cover; 11. buckling; 12. a rubber ring; 13. a flowmeter body; 14. a groove; 15. a card slot; 16. a second cushion pad; 17. a viewing port; 18. a third cushion pad; 19. a partition plate; 20. and (7) a hinge.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a vortex shedding flowmeter for gas comprises a connecting pipe 9, a buffer layer 8 is arranged on the periphery of the connecting pipe 9, a partition plate 19 is fixedly connected on the periphery of the buffer layer 8, the periphery of the partition plate 19 is fixedly connected with one end of a plurality of damping springs 4, the other end of each damping spring 4 is fixedly connected with one side of a damping plate 3, the periphery of each damping plate 3 is fixedly connected with the inner side of a protective cover 2, the top of the connecting pipe 9 penetrates through the middle position of the top of the protective cover 2 and is fixedly connected with the middle position of the bottom of a flowmeter body 13, a second cushion pad 16 is arranged on the periphery of the connecting pipe 9 between the bottom of the flowmeter body 13 and the top of the protective cover 2, a first cushion pad 5 is fixedly connected on the outer side of the flowmeter body 13, the damping plates 3 in the protective covers 2 on the outer side of the connecting pipe 9 can perform first cushion on the impact force, and then the impact force after the first cushion reaches the damping springs 4 through the damping plates 3, secondly, the buffer spring 4 is used for buffering the vortex street flow meter for the second time, most of impact force can be effectively counteracted through the buffering for twice, and finally the rest of the impact force is buffered and counteracted through the buffer layer 8, so that the impact damage of the impact force to the connecting pipe 9 is effectively reduced, secondly, the first buffer cushion 5 outside the flow meter body 13 can buffer the impact force, so that the vortex street flow meter is effectively prevented from being damaged integrally, the front end of the flow meter body 13 is provided with the display screen 7, the display screen 7 is arranged at the middle position inside the shell 6, the edge of the front end of the shell 6 is provided with the groove 14, one end of the shell 6 is provided with the clamping groove 15, the other end of the shell 6 is rotatably connected with the cover 10 through the hinge 20, the other end of the cover 10 far away from the hinge 20 is fixedly connected with the buckle 11, the edge of the front end of the cover 10 is fixedly connected with the rubber ring 12, and the hinge 20 is matched with the cover 10, the buckle 11 is clamped on the clamping groove 15, the rubber ring 12 on the cover 10 can be plugged into the groove 14 of the shell 6, so that dust and moisture are effectively prevented from entering, the inner side of the cover 10 is provided with the observation port 17, and data can be observed through the observation port 17.

First blotter 5 and second blotter 16 are the rubber material and make, effectually cushion external impact force, looks block between buckle 11 and the draw-in groove 15, the periphery of connecting pipe 9 is provided with third blotter 18 and third blotter 18 in the department of running through at protection casing 2 top and is the rubber material, can receive when assaulting at protection casing 2, effectively avoid connecting pipe 9 to produce the friction in the department of running through, protection casing 2 is the cylinder shape, the bottom fixed connection of protection casing 2 is at the top of pipeline 1, the bottom fixed connection of connecting pipe 9 is at the intermediate position at pipeline 1 top, viewing aperture 17 makes for the toughened glass material, viewing aperture 17 that can make through the toughened glass material observes data.

The working principle is as follows: when the vortex shedding flowmeter is wholly impacted externally, the damping plate 3 in the protective cover 2 outside the connecting pipe 9 can buffer impact force for the first time, then the impact force after the first buffering can reach the damping spring 4 through the damping plate 3, and then the damping spring 4 can buffer the impact force for the second time, most of the impact force can be effectively counteracted through the two times of buffering, finally the rest impact force can be buffered and counteracted through the buffer layer 8, the impact damage of the impact force to the connecting pipe 9 is effectively reduced, then the first buffer cushion 5 outside the flowmeter body 13 can buffer the impact force, the integral damage of the vortex shedding flowmeter is effectively avoided, the display screen 7 is arranged inside the shell 6, the hinge 20 is matched with the cover 10, the buckle 11 is clamped on the clamping groove 15, the rubber ring 12 on the cover 10 can be plugged into the groove 14 of the shell 6, effectively preventing the entry of dust and moisture.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a vortex flowmeter for gas, includes connecting pipe (9), its characterized in that: the periphery of connecting pipe (9) is provided with buffer layer (8), periphery fixedly connected with baffle (19) of buffer layer (8), the periphery fixed connection of baffle (19) is in the one end of a plurality of damping spring (4), the equal fixed connection of the other end of damping spring (4) is in one side of damping plate (3), damping plate (3) periphery fixed connection is in the inboard of protection casing (2), the top of connecting pipe (9) is run through the intermediate position and the intermediate position of fixed connection in flowmeter body (13) bottom at the intermediate position at protection casing (2) top, the periphery of connecting pipe (9) between flowmeter body (13) bottom and the top of protection casing (2) is provided with second blotter (16), the outside fixedly connected with first blotter (5) of flowmeter body (13), the front end of flowmeter body (13) is provided with display screen (7) and display screen (7) sets up in the inside centre of casing (6) The position, the edge of casing (6) front end is provided with recess (14), the one end of casing (6) is provided with draw-in groove (15), the other end of casing (6) is rotated through hinge (20) and is connected with lid (10), other end fixedly connected with buckle (11) of hinge (20) are kept away from in lid (10), the edge fixedly connected with rubber circle (12) of lid (10) front end, the inboard of lid (10) is provided with viewing aperture (17).

2. The gas vortex shedding flowmeter of claim 1, wherein: the first buffer cushion (5) and the second buffer cushion (16) are made of rubber materials.

3. The gas vortex shedding flowmeter of claim 1, wherein: the buckle (11) and the clamping groove (15) are clamped with each other.

4. The gas vortex shedding flowmeter of claim 1, wherein: the periphery of the connecting pipe (9) is provided with a third cushion pad (18) at the penetrating position of the top of the protective cover (2), and the third cushion pad (18) is made of rubber.

5. The gas vortex shedding flowmeter of claim 1, wherein: the protective cover (2) is in a cylindrical shape.

6. The gas vortex shedding flowmeter of claim 1, wherein: the bottom of the protective cover (2) is fixedly connected to the top of the pipeline (1).

7. The gas vortex shedding flowmeter of claim 1, wherein: the bottom of the connecting pipe (9) is fixedly connected to the middle position of the top of the pipeline (1).

8. The gas vortex shedding flowmeter of claim 1, wherein: the observation port (17) is made of toughened glass material.