CN210625747U

CN210625747U - Vortex precession flowmeter

Info

Publication number: CN210625747U
Application number: CN201922103297.5U
Authority: CN
Inventors: 邹建明
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: 2020-05-26
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses a precession vortex flowmeter, it includes the casing, and the upper surface of casing is provided with the connecting piece, and the upper surface of connecting piece is provided with flow display screen, and flow display screen is located the safety cover, and the lower surface overlap joint of safety cover is at the upper surface of casing, and the left and right sides face of safety cover all overlaps there is the fixed block, and the equal fixed connection of lower surface of two fixed blocks is at the upper surface of casing. The utility model discloses in, through being provided with the safety cover around flow display screen, utilize the fixture block card to advance the draw-in groove and fix the safety cover, can drive the connecting plate through the pulling pull ring simultaneously, rope and fixture block move right for the fixture block breaks away from the draw-in groove, take off the safety cover, make things convenient for workman's installation like this and dismantle the safety cover, the effect of preventing wind and rain erosion is played to the safety cover simultaneously, still avoid external force collision to lead to flow display screen to damage, thereby the effect of protection flow display screen has been reached, its life has been guaranteed.

Description

Vortex precession flowmeter

Technical Field

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

Background

The vortex precession flowmeter is widely applied to various gas flow measurement in industries such as petroleum, chemical industry, electric power, metallurgy, urban gas supply and the like at present, has the characteristics of wide flow range, simple structure, dirt resistance and the like, and has the working principle of utilizing the vortex precession phenomenon of fluid to carry out flow measurement.

The existing precession vortex flowmeter has no protection structure in the using process, so that a display screen is exposed to the outside and is easily corroded by rainwater, the display screen is damaged, and meanwhile, the display screen is exposed to the outside and is easily damaged by collision of external force, and the service life of the vortex flowmeter is shortened.

Disclosure of Invention

The utility model aims to provide a: in order to solve the problem that the conventional precession vortex flowmeter is not provided with a protection structure in the using process, the display screen is exposed to the outside and is easily corroded by rainwater, so that the display screen is damaged, and meanwhile, the display screen is exposed to the outside and is easily damaged by collision of external force, so that the service life of the vortex flowmeter is prolonged, and the provided precession vortex flowmeter is provided.

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

precession vortex flowmeter, which comprises a housin, the upper surface of casing is provided with the connecting piece, the upper surface of connecting piece is provided with flow display screen, flow display screen is located the safety cover, the lower surface overlap joint of safety cover is at the upper surface of casing, the left and right sides face of safety cover all overlaps and has the fixed block, the equal fixed connection of lower surface of two fixed blocks is at the upper surface of casing, the recess is seted up to the left surface of fixed block, the joint has the fixture block in the recess, the left surface joint of fixture block has the draw-in groove, the below at the safety cover right flank is seted up to the draw-in groove, the right flank fixedly connected with rope of fixture block, the left surface fixed connection of leading to groove and connecting plate is passed to the other end of rope, lead to the right flank of groove inner wall of seting up, the right flank overlap joint at the right flank of fixed block of connecting plate.

As a further description of the above technical solution:

the vortex generating body is arranged on the left side inside the shell, the vortex removing rectifier is arranged on the right side inside the shell, a vortex core is arranged on a central axis of the vortex removing rectifier and the vortex generating body, and the vortex core is movably connected with the vortex removing rectifier through a bearing.

As a further description of the above technical solution:

the left side of fixture block upper surface is the inclined plane design, and the spout has been seted up to the lower surface of draw-in groove inner wall.

As a further description of the above technical solution:

the height of connecting plate is greater than the diameter that leads to the groove, and the right flank of connecting plate is provided with the pull ring.

As a further description of the above technical solution:

the left side of the upper surface of the inner wall of the shell is provided with a probe, and the right side of the upper surface of the inner wall of the shell is provided with a temperature sensor.

As a further description of the above technical solution:

and a pressure sensor is arranged on the right side of the lower surface of the inner wall of the shell.

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, through being provided with the safety cover around flow display screen, utilize the fixture block card to advance the draw-in groove and fix the safety cover, can drive the connecting plate through the pulling pull ring simultaneously, rope and fixture block move right for the fixture block breaks away from the draw-in groove, take off the safety cover, make things convenient for workman's installation like this and dismantle the safety cover, the effect of preventing wind and rain erosion is played to the safety cover simultaneously, still avoid external force collision to lead to flow display screen to damage, thereby the effect of protection flow display screen has been reached, its life has been guaranteed.

2. The utility model discloses in, through setting up the vortex core, the vortex core is in on the inside axis of casing, can be with from the air drainage that vortex generator got into to removing on the spiral rectifier for gaseous right-hand member from the casing that can be steady discharges.

3. The utility model discloses in, through setting up probe, temperature sensor and pressure sensor, the information that utilizes probe, temperature sensor and pressure sensor to collect respectively transmits the interior storage of flow display screen through the wire to the professional inspection.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of a precession vortex flowmeter according to the present invention;

fig. 2 is an enlarged schematic structural diagram of a portion a of the precession vortex flowmeter according to the present invention;

fig. 3 is a left side view structural diagram of the protective cover of the precession vortex flowmeter according to the present invention.

Illustration of the drawings:

1. a housing; 2. a connecting member; 3. a flow display screen; 4. a protective cover; 5. a fixed block; 6. a groove; 7. a clamping block; 8. a card slot; 9. a chute; 10. a rope; 11. a through groove; 12. a connecting plate; 13. a pull ring; 14. a spring; 15. a vortex generating body; 16. a vortex core; 17. a de-rotation rectifier; 18. a probe; 19. a temperature sensor; 20. a pressure sensor.

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: precession vortex flowmeter, it includes casing 1, the upper surface of casing 1 is provided with connecting piece 2, the upper surface of connecting piece 2 is provided with flow display screen 3, flow display screen 3 is located in safety cover 4, through setting up safety cover 4, can play the effect of preventing wind and rain, can also avoid external force collision to lead to flow display screen 3 to damage simultaneously, thereby reached the effect of protecting flow display screen 3, and safety cover 4 adopts transparent glass to make, can not influence the workman and watch the numerical value on flow display screen 3 from the outside, the lower surface overlap joint of safety cover 4 is on the upper surface of casing 1, the both sides face of safety cover 4 has fixed block 5 in the overlap joint, the lower surface of two fixed blocks 5 all fixedly connects to the upper surface of casing 1, the left surface of fixed block 5 sets up recess 6, the joint has fixture block 7 in the recess 6, the left surface joint of fixture block 7 has draw-in, through arranging the clamping block 7 and the clamping groove 8, the clamping block 7 is clamped into the clamping groove 8 or separated from the clamping groove 8, a worker can conveniently fix or take down the protective cover 4, so that convenience is brought to the operation of the worker, the clamping groove 8 is arranged below the right side surface of the protective cover 4, the right side surface of the clamping block 7 is fixedly connected with the rope 10, the other end of the rope 10 penetrates through the through groove 11 to be fixedly connected with the left side surface of the connecting plate 12, the through groove 11 is arranged on the right side surface of the inner wall of the groove 6, the left side surface of the connecting plate 12 is lapped on the right side surface of the fixed block 5, the surface of the rope 10 is sleeved with the spring 14, the left end and the right end of the spring 14 are respectively and fixedly connected with the right side surface of the clamping block 7 and the right side surface of the inner wall of the groove 6, through arranging the rope 10 and the, so that the latch 7 is disengaged from the catch 8.

Specifically, as shown in fig. 1, a vortex generator 15 is disposed on the left side inside the housing 1, a vortex removal rectifier 17 is disposed on the right side inside the housing 1, a vortex core 16 is disposed on the central axis between the vortex removal rectifier 17 and the vortex generator 15, the vortex core 16 is movably connected to the vortex removal rectifier 17 through a bearing, and by disposing the vortex core 16, the vortex core 16 is disposed on the central axis inside the housing 1, so that air entering from the vortex generator 15 can be guided to the vortex removal rectifier 17, and the air can be smoothly discharged from the right end of the housing 1.

Specifically, as shown in fig. 2, the left side of the upper surface of the clamping block 7 is designed to be an inclined plane, the lower surface of the inner wall of the clamping groove 8 is provided with a sliding groove 9, and the sliding groove 9 is connected with the clamping block 7 in a clamped mode to play a positioning role when the protection cover 4 is installed, so that the clamping block 7 can be smoothly clamped into the clamping groove 8.

Specifically, as shown in fig. 2, the height of the connecting plate 12 is greater than the diameter of the through groove 11, a pull ring 13 is arranged on the right side face of the connecting plate 12, and by arranging the pull ring 13, a worker can conveniently pull the pull ring 13 to drive the clamping block 7 to be separated from the clamping groove 8 through the connecting plate 12 and the rope 10.

Specifically, as shown in fig. 1, the left side of the upper surface of the inner wall of the shell 1 is provided with the probe 18, the right side of the upper surface of the inner wall of the shell 1 is provided with the temperature sensor 19, and by arranging the probe 18 and the temperature sensor 19, the information is collected by the probe and the temperature sensor and is transmitted to the flow display screen 3 for storage, so that the inspection by professionals can be facilitated.

Specifically, as shown in fig. 1, a pressure sensor 20 is arranged on the right side of the lower surface of the inner wall of the casing 1, and by arranging the pressure sensor 20, the pressure inside the casing 1 detected by the pressure sensor 20 is conveyed to the flow display screen 3, so that a professional can check the pressure inside the casing 1 at regular time.

The working principle is as follows: during the use, the workman extrudees safety cover 4 downwards, extrude two fixture blocks 7 through two spouts 9, make two fixture blocks 7 to the direction motion of keeping away from each other, continue to extrude safety cover 4 downwards, two fixture blocks 7 can slide into two draw-in grooves 8 along spout 9 this moment, then two springs 14 receive the elasticity that the extrusion produced to drive two fixture blocks 7 stable and fix in two draw-in grooves 8, make the stable fixing on casing 1 of safety cover 4, when the safety cover 4 is dismantled to needs, through pulling two pull rings 13, make two ropes 10 drive two fixture blocks 7 and break away from two draw-in grooves 8, the workman can take off safety cover 4 this moment.

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. Precession vortex flowmeter, it includes casing (1), its characterized in that, the upper surface of casing (1) is provided with connecting piece (2), the upper surface of connecting piece (2) is provided with flow display screen (3), flow display screen (3) are located safety cover (4), the lower surface overlap joint of safety cover (4) is at the upper surface of casing (1), the left and right sides face of safety cover (4) all has overlap joint fixed block (5), two the lower surface of fixed block (5) all fixed connection is at the upper surface of casing (1), recess (6) are seted up to the left surface of fixed block (5), the joint has fixture block (7) in recess (6), the left surface joint of fixture block (7) has draw-in groove (8), draw-in groove (8) are seted up in the below of safety cover (4) right flank, the right flank fixed connection of fixture block (7) has rope (10), the other end of rope (10) passes through the left surface fixed connection who leads to groove (11) and connecting plate (12), lead to groove (11) and set up the right flank at recess (6) inner wall, the left surface overlap joint of connecting plate (12) is at the right flank of fixed block (5), spring (14) have been cup jointed on the surface of rope (10), both ends difference fixed connection is at the right flank of fixture block (7) and the right flank of recess (6) inner wall about spring (14).

2. The precession vortex flowmeter according to claim 1, characterised in that a vortex generating body (15) is arranged on the left side inside the casing (1), a deswirl rectifier (17) is arranged on the right side inside the casing (1), a vortex core (16) is arranged on the central axis of the deswirl rectifier (17) and the vortex generating body (15), and the vortex core (16) is movably connected with the deswirl rectifier (17) through a bearing.

3. The precession vortex flowmeter according to claim 1, characterized in that the left side of the upper surface of the fixture block (7) is designed as an inclined plane, and the lower surface of the inner wall of the fixture groove (8) is provided with a sliding groove (9).

4. Precession vortex flowmeter according to claim 1, characterised in that the height of the web (12) is greater than the diameter of the through slot (11), the right side of the web (12) being provided with a pull ring (13).

5. Precession vortex flowmeter according to claim 2, characterised in that the left side of the upper surface of the inner wall of the casing (1) is provided with a probe (18) and the right side of the upper surface of the inner wall of the casing (1) is provided with a temperature sensor (19).

6. Precession vortex flowmeter according to claim 2, characterised in that the right side of the lower surface of the inner wall of the casing (1) is provided with a pressure sensor (20).