CN218496168U

CN218496168U - Split vortex shedding flowmeter convenient to disassemble and assemble

Info

Publication number: CN218496168U
Application number: CN202223003024.1U
Authority: CN
Inventors: 赵裕宝; 赵鹏传
Original assignee: Longkou Bosida Instrument Co ltd
Current assignee: Longkou Bosida Instrument Co ltd
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-02-17
Anticipated expiration: 2032-11-11

Abstract

The utility model provides a simple to assemble and disassemble's split type vortex shedding flowmeter, including main line and the sensor that can dismantle the connection through connecting device on it, connecting device is including the fixed mounting panel of locating the sensor middle part, the inserting groove plug-in connection on connecting block and the main line is passed through to mounting panel outer end lower part, the connecting block lower extreme still is equipped with places the chamber, it is equipped with the grafting piece to place intracavity lateral sliding, the grafting piece includes the bayonet joint of one side, the corresponding position of inserting groove lateral wall is equipped with the interface, connecting device still includes the power rod, the power rod upper end is located the mounting panel top, the lower extreme extends to place the intracavity and is connected with the rotation of grafting piece through the connecting rod, during the installation, it slides to press down the power rod drive grafting piece, fixed work is accomplished with the bayonet joint cooperation, during the dismantlement, draw two power rods in proper order and can enough accomplish the dismantlement work of sensor, make the dismantlement and the completion that the installation work of sensor all can be convenient, and then make the maintenance and the change work of sensor can more swiftly convenient go on.

Description

Split vortex shedding flowmeter convenient to disassemble and assemble

Technical Field

The utility model relates to a fluid flow measuring device technical field specifically is a easy dismounting's split type vortex flowmeter.

Background

The vortex street flowmeter is a speed type flow meter for measuring fluid flow according to the karman vortex street theory, and generally comprises a vortex street flow sensor arranged on a main pipeline machine, wherein the main pipeline is connected in series in a pipeline to be measured when the vortex street flowmeter is used, for example, an anti-blocking vortex street flowmeter provided by a patent document with the patent number of CN202122167380.6 is adopted, a vortex street flow meter main body (namely, the vortex street flow sensor) is fixed on the top of a shell (namely, the main pipeline) through an axially arranged bolt, and the connection mode is that the flow sensor is troublesome to be arranged with the main pipeline, a plurality of screws are required to be arranged to fix the vortex street flow sensor, and particularly, when the installation space is small, the later maintenance or the replacement work of the vortex street flow sensor is troublesome.

The patent document CN202120481052.0 provides a vortex street flowmeter with thermal insulation effect, which provides a technical solution for plug-in mounting of a vortex street flow sensor in the second embodiment, specifically, the plug-in bar is elastically installed to be transversely plugged into a mounting block to fix the vortex street flow sensor, so as to simplify the mounting of the vortex street flow sensor, but when the vortex street flow sensor of the device is disassembled and assembled, at least two persons are needed to cooperate, one person is responsible for swinging the plug-in bar, the other person is responsible for mounting the vortex street flow sensor, and the device must rotate the vortex street flow sensor to a specific position to enable the plug-in bar to be smoothly inserted into a plug hole on the mounting block, so that the mounting of the vortex street flow sensor is still limited.

SUMMERY OF THE UTILITY MODEL

For the dismouting work of solving between above-mentioned vortex flowmeter's the sensor part and the main line part comparatively complicated, the technical problem of the work is changed in the maintenance of inconvenient sensor, the utility model provides a easy dismounting's split type vortex flowmeter.

The utility model discloses technical scheme as follows:

the utility model provides a simple dismounting's split type vortex flowmeter, including main line and the sensor of connecting above that, the sensor is vortex street flow sensor, and its detection head runs through the main line pipe wall and extends the inside of main line, through the main line can concatenate the vortex street flowmeter and install on waiting to survey the pipeline to accomplish the fluidic flow in the pipeline that awaits measuring through the sensor of installing above that.

As the utility model discloses a main technical idea, the sensor is split type with the main line, promptly the sensor passes through connecting device detachable to be installed in main line upper portion, particularly, connecting device is located that the both sides of sensor are relative and is equipped with two, and it is including the fixed mounting panel of locating the sensor middle part, mounting panel outer end lower part is equipped with the connecting block, be equipped with the inserting groove on the main line, the connecting block lower extreme is located the inserting groove, through the cooperation of both sides connecting block and inserting groove, makes the mounted position and the angle of definite sensor that people can be more convenient, makes the installation of sensor more convenient.

Further, the connecting block lower extreme still is equipped with places the chamber, places intracavity lateral sliding and is equipped with the grafting piece, connecting device still includes power rod and connecting rod, power rod one end is located the mounting panel top, and the other end extends to place the intracavity and rotates with connecting rod one end to be connected, the connecting rod other end rotates with the grafting piece to be connected, the connecting rod sets up to can drive the grafting piece through pressing down or drawing the power rod and slide, the grafting piece is including the bayonet joint that is located its one side, and the position of placing the chamber and corresponding the bayonet joint is equipped with the through-hole, the corresponding position is equipped with the interface on the inserting groove lateral wall, during the use, makes the sensor can fix a position fast through the cooperation of connecting block and inserting groove, through pressing the power rod, can drive the grafting piece and slide, the bayonet joint passes the through-hole and extends in the bayonet joint under the grafting piece sliding action, accomplishes the fixed work of connecting block in the inserting groove, and the vertical setting of power rod has saved the required space of installation, and when the sensor is dismantled, only need to pull two power rods in proper order to accomplish the dismantlement work of sensor, make the dismantlement and the completion of sensor all can conveniently carry out, and then make the maintenance of sensor more swiftly carry out.

Furthermore, main line upper portion is equipped with the mount table, the inserting groove is located the mount table, under the prerequisite of guaranteeing connecting device can cooperate smoothly with the main line, guarantees that the pipeline structure of main line does not receive the destruction.

It should be noted that, the length of connecting rod is greater than the sliding distance of bayonet joint, just there is not vertical state in the connecting rod, when the plug piece was retrieved to extreme position, the connecting rod still is in the tilt state, when making to press the power rod, the plug piece can slide under the connecting rod drives smoothly, makes the work of pressing of power rod can be more laborsaving.

As an optimized implementation scheme, the split vortex shedding flowmeter convenient to disassemble and assemble is characterized in that the inserting block is arranged in the placing cavity in a sliding mode through the sliding grooves on two sides of the placing cavity to limit the inserting block to only slide transversely, so that the inserting head can be smoothly matched with the inserting port to complete the fixing work of the sensor.

Further, the sensor comprises a main body, it is located the main part lower extreme to detect the head, the main part lower part still is equipped with the installation piece, be equipped with the mounting groove on the main line, installation piece lower extreme is located the mounting groove, and the installation of having guaranteed the sensor main part has higher stability.

Preferably, a sealing gasket is arranged between the bottom of the mounting groove and the bottom of the mounting block to ensure the sealing performance between the sensor and the main pipeline.

Furthermore, in order to ensure that the pressing work of the power rod can be carried out more conveniently, the power rod comprises a pressing plate positioned at the upper end of the power rod, so that the area of a pressing surface is increased.

Preferably, the pressing plate has a strip shape, so that the pressing and pulling operations of the power rod can be more labor-saving.

Furthermore, the minimum length that the through-hole can be stretched out to the bayonet joint is not less than 1.2cm, guarantees that the cooperation of connecting block and inserting groove can be more firm, prevents that the connecting block from receiving the vibration influence and the phenomenon that the inserting groove appears being connected insecurely.

The beneficial effects of the utility model reside in that: the utility model provides a simple dismounting's split type vortex flowmeter, the sensor passes through connecting device's connecting block and cooperatees with the inserting groove on the main line, make the mounted position and the angle of definite sensor that people can be more convenient, through pressing down the power rod, it slides to drive the grafting piece, and then it extends in the grafting to drive the bayonet joint, accomplish the fixed work of connecting block in the inserting groove, the vertical setting of power rod, the required space of installation has been saved, when the sensor is dismantled simultaneously, only need to draw two power rods in proper order and can enough accomplish the dismantlement work of sensor, make the dismantlement of sensor and the completion that the installation work all can be convenient, and then make the maintenance of sensor and change work can more swiftly convenient going on.

Drawings

FIG. 1 is a schematic structural diagram of a vortex shedding flowmeter in this embodiment;

fig. 2 is a schematic structural diagram of a connection station on a main pipeline in this embodiment;

FIG. 3 is a schematic diagram of the position and connection structure of the sensor and the connection device in the present embodiment;

fig. 4 is a partially enlarged schematic view of a portion a in fig. 1.

In the figure: 1. a main pipeline; 11. an installation table; 111. mounting grooves; 112. inserting grooves; 1121. an interface; 2. a sensor; 21. mounting a block; 3. a connecting device; 31. a connecting plate; 32. a power rod; 321. a rod body; 322. a pressing plate; 33. a connecting rod; 34. an insertion block; 341. a slider; 342. a plug-in connector.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Examples

This embodiment provides a simple to assemble and disassemble's split type vortex flowmeter, refer to fig. 1, including main line 1 and the last sensor 2 who connects, sensor 2 is vortex street flow sensor 2, and its detection head runs through main line 1 pipe wall and extends to the inside of main line 1, through main line 1 can concatenate the vortex street flowmeter and install on waiting to survey the pipeline to accomplish the fluidic flow in the pipeline that awaits measuring through the sensor 2 of installing on it.

In this embodiment, combine fig. 2, main line 1 transversely sets up, and its upper portion is equipped with mount table 11, does the utility model discloses a main technical idea, sensor 2 is split type with main line 1, sensor 2 passes through connecting device 3 detachable and installs on mount table 11 on main line 1 upper portion.

Particularly, combine fig. 3 and fig. 4, connecting device 3 is located that the both sides of sensor 2 are relative and is equipped with two, and it is including the fixed mounting panel of locating sensor 2 middle part, the mounting panel level sets up, and its one end is connected with sensor 2, the directional sensor 2 outside of the other end, the outer end lower part of mounting panel is equipped with the connecting block, the connecting block cross-section includes squarely, be equipped with on the mount table 11 of main pipe 1 the cross-section for square inserting groove 112, the connecting block lower extreme is located inserting groove 112, through the cooperation of both sides connecting block and inserting groove 112, makes the mounted position and the angle of definite sensor 2 that people can be more convenient, makes sensor 2's installation more convenient.

Further, the connecting block lower extreme still is equipped with places the chamber, it is square cavity to place the chamber, it keeps away from sensor 2 one side opening, and the opening part is equipped with the apron, it is equipped with plug block 34 to place intracavity lateral sliding, plug block 34 locates through slider 341 lateral sliding and places the intracavity, slider 341 is close to the bayonet joint 342 of apron one side, the corresponding position of apron is equipped with the through-hole that can supply bayonet joint 342 to pass, and bayonet joint 342 can stretch out the through-hole or retract under slider 341 sliding action and place the chamber, of course, the apron can be located any side of connecting block, and it is just in order to explain this scheme more clearly with the help of the figure to set up here that the apron is located one side that sensor 2 was kept away from to the connecting block, and not regard as the restriction to the apron position.

Further, the connection device 3 further includes a power rod 32 and a connection rod 33, the upper end of the power rod 32 is located above the connection plate 31, the lower end of the power rod 32 penetrates through the connection plate 31 and extends into the placement cavity, the power rod 32 can slide up and down, and the lower end of the power rod is rotatably connected with one end of the connection rod 33, the other end of the connection rod 33 is rotatably connected with the slider 341 of the insertion block 34, the rotation axes at the two ends of the connection rod 33 are perpendicular to the sliding direction of the slider 341, the power rod 32 can drive the connection rod 33 to be connected with the power rod 32 and move up and down, the other end of the connection rod 33 drives the slider 341 to slide transversely, a position corresponding to the through hole of the cover plate on the side wall of the insertion groove 112 is provided with an insertion port 1121, the sensor 2 is capable of being positioned quickly by the cooperation of the connection block and the insertion groove 112, the insertion block 34 can be driven to slide by pressing the power rod 32, the insertion head 342 penetrates through the through hole and extends into the insertion port 1121 to complete the fixing work of the connection block 112 in the insertion groove 112, the vertical arrangement of the power rod 32, the space required for installation, and the sensor 2 can be conveniently replaced by the two sensor 2, and the sensor 2, so that the sensor 2 can be conveniently disassembled and the sensor 2 can be disassembled.

It should be noted that, in this embodiment, the minimum length of the plug 342 that can extend out of the through hole on the cover plate is not less than 1.2cm, so that the connection between the connection block and the insertion groove 112 is ensured to be firmer, and the connection between the connection block and the insertion groove 112 is prevented from being affected by vibration.

Further, for guaranteeing that the work of pressing of power rod 32 can be more convenient going on, power rod 32 includes the body of rod 321 with the vertical sliding fit of connecting plate 31, body of rod 321 lower extreme is located places the intracavity and rotates with connecting rod 33 and is connected, body of rod 321 upper end is equipped with presses the clamp plate 322 to increase the area of press surface, the shape of pressing the clamp plate 322 includes the strip, and both sides around the directional connecting device 3 in both ends, makes pressing of power rod 32 and drawing work homoenergetic more laborsaving.

As a preferred embodiment, the insertion block 34 is slidably disposed in the placing cavity through sliding grooves on two sides of the placing cavity to limit the insertion block 34 to only slide laterally, so as to ensure that the plug 342 can smoothly cooperate with the plug 1121 to complete the fixing operation of the sensor 2, and meanwhile, the arrangement manner of the insertion groove 112 on the mounting platform 11 can ensure that the pipeline structure of the main pipeline 1 is not damaged on the premise of ensuring that the connecting device 3 can smoothly cooperate with the main pipeline 1.

In this embodiment, it should be noted that the length of the connecting rod 33 is greater than the sliding distance of the plug 342, and the connecting rod 33 is not in a vertical state, that is, when the plug block 34 is recovered to the limit position, the connecting rod 33 is still in an inclined state, so that when the power rod 32 is pressed, the plug block 34 can smoothly slide under the driving of the connecting rod 33, and the pressing work of the power rod 32 can be more labor-saving.

In this embodiment, the sensor 2 includes a main body, the detection head is located at the lower end of the main body, the lower portion of the main body is further provided with an installation block 21, the connection plate 31 is located on two sides of the upper end of the installation block 21, the main pipeline 1 is provided with an installation groove 111, the installation groove 111 is located between the two insertion grooves 112, the lower end of the installation block 21 is located in the installation groove 111, and it is ensured that the installation of the main body of the sensor 2 has high stability.

In a preferred embodiment, a sealing gasket is arranged between the bottom of the mounting groove 111 and the bottom of the mounting block 21 to ensure the sealing performance between the sensor 2 and the main pipeline 1.

Claims

1. A split vortex shedding flowmeter convenient to disassemble and assemble comprises a main pipeline (1) and a sensor (2) connected with the main pipeline, wherein a detection head of the sensor (2) penetrates through the pipe wall of the main pipeline (1) and extends into the main pipeline (1), and the split vortex shedding flowmeter is characterized in that the sensor (2) is detachably arranged at the upper part of the main pipeline (1) through a connecting device (3), and two connecting devices (3) are oppositely arranged at two sides of the sensor (2);

the connecting device (3) comprises a mounting plate (31) fixedly arranged in the middle of the sensor (2), a connecting block is arranged at the lower part of the outer end of the mounting plate (31), an insertion groove (112) is arranged on the main pipeline (1), and the lower end of the connecting block is positioned in the insertion groove (112);

the connecting device is characterized in that a placing cavity is further formed in the lower end of the connecting block, an inserting block (34) is arranged in the placing cavity in a transverse sliding mode, the connecting device (3) further comprises a power rod (32) and a connecting rod (33), one end of the power rod (32) is located above the mounting plate (31), the other end of the power rod extends into the placing cavity and is rotatably connected with one end of the connecting rod (33), the other end of the connecting rod (33) is rotatably connected with the inserting block (34), and the connecting rod (33) is arranged to be capable of driving the inserting block (34) to slide by pressing or pulling the power rod (32);

the inserting block (34) comprises an inserting head (342) located on one side of the inserting block, a through hole is formed in the position, corresponding to the inserting head, of the placing cavity, an inserting port (1121) is formed in the corresponding position on the side wall of the inserting groove (112), and the inserting head (342) can penetrate through the through hole and extend into the inserting port (1121) under the sliding action of the inserting block (34).

2. The split vortex shedding flowmeter convenient to assemble and disassemble according to claim 1, wherein the length of the connecting rod (33) is greater than the sliding distance of the plug-in connector (342), and the connecting rod (33) does not have a vertical state.

3. The split vortex shedding flowmeter convenient to mount and dismount as claimed in claim 1 or 2, wherein a mounting platform (11) is arranged at the upper part of the main pipeline (1), and the insertion groove (112) is located on the mounting platform (11).

4. The split vortex shedding flowmeter convenient to assemble and disassemble according to claim 3, wherein the sensor (2) comprises a main body, the detection head is located at the lower end of the main body, a mounting block (21) is further arranged at the lower part of the main body, a mounting groove (111) is further arranged on the mounting table (11), and the lower end of the mounting block (21) is located in the mounting groove (111).

5. The split vortex shedding flowmeter convenient to mount and dismount as claimed in claim 4, wherein a sealing gasket is arranged between the bottom of the mounting groove (111) and the bottom of the mounting block (21).

6. The split vortex shedding flowmeter of claim 1 or 2, wherein the power rod (32) comprises a pressing plate (322) at its upper end.

7. The detachable split vortex shedding flowmeter according to claim 6, wherein the pressing plate (322) is in the shape of a strip.

8. The split vortex shedding flowmeter convenient to assemble and disassemble according to claim 1 or 2, wherein the minimum length of the plug (342) capable of extending out of the through hole is not less than 1.2cm.