CN210862795U

CN210862795U - Turbine flowmeter with good anti-blocking performance

Info

Publication number: CN210862795U
Application number: CN201921872954.6U
Authority: CN
Inventors: 沈悦; 沈新春
Original assignee: Nanjing Yuedi Instrument Technology Co ltd
Current assignee: Nanjing Yuedi Instrument Technology Co ltd
Priority date: 2019-11-03
Filing date: 2019-11-03
Publication date: 2020-06-26
Anticipated expiration: 2029-11-03

Abstract

The utility model discloses a turbine flowmeter with good anti-clogging performance, including turbine flowmeter body and the intercommunication pipeline of setting on the turbine flowmeter body, be provided with the arc apron on the intercommunication pipeline, and the equal welded connection of both sides surface of intercommunication pipeline has fixed lug, hexagonal groove has been seted up to fixed lug's bottom surface, and the upper end surface of fixed lug has seted up first through-hole, hexagonal groove is linked together with first through-hole, the inside in hexagonal groove is provided with hexagon nut, the filter screen notch has been seted up on the intercommunication pipeline, the internal surface welded connection of filter screen notch has sealed frame, the utility model discloses the beneficial effect who reaches is: through the filter screen that sets up, can filter the fluid through turbine flowmeter, detach the impurity that wherein can cause the jam to improved turbine flowmeter's anti-clogging performance, the easy dismounting of filter screen simultaneously to make things convenient for the clearance of impurity on the filter screen, the in-service use is effectual.

Description

Turbine flowmeter with good anti-blocking performance

Technical Field

The utility model relates to a turbine flowmeter, in particular to turbine flowmeter with good anti-clogging nature belongs to turbine flowmeter technical field.

Background

The working principle of the turbine flowmeter is that when fluid flows through a sensor shell, because blades of an impeller have a certain angle with the flow direction, the impulse force of the fluid enables the blades to have rotating torque, the blades rotate after the friction torque and the fluid resistance are overcome, after the moment is balanced, the rotating speed is stable, under a certain condition, the rotating speed is in direct proportion to the flow speed, because the blade has magnetic conductivity, the blade is positioned in a magnetic field of a signal detector (consisting of permanent magnetic steel and a coil), the rotating blade cuts magnetic lines of force, the magnetic flux of the coil is periodically changed, so that electric pulse signals are induced at two ends of the coil, and the signals are amplified and shaped by the amplifier to form continuous rectangular pulse waves with certain amplitude, the turbine flowmeter can be remotely transmitted to a display instrument to display the instantaneous flow and the accumulated amount of the fluid, the application of the turbine flowmeter is extremely wide, but the existing turbine flowmeter still has certain defects in the actual use process: the turbine flowmeter realizes the flow detection through the blades, so the internal structure of the turbine flowmeter is complex, when impurities enter the blades, the whole flowmeter is blocked, and the actual use effect is poor.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, the poor problem of anti-clogging performance to current turbine flowmeter provides a turbine flowmeter with good anti-clogging performance.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a turbine flowmeter with good anti-clogging performance, including turbine flowmeter body and the intercommunication pipeline that sets up on the turbine flowmeter body, be provided with the arc apron on the intercommunication pipeline, and the both sides surface of intercommunication pipeline all welded connection has fixed lug, the bottom surface of fixed lug has seted up the hexagonal groove, and the upper end surface of fixed lug has seted up first through-hole, the hexagonal groove is linked together with first through-hole, the inside of hexagonal groove is provided with hexagon nut, the intercommunication pipeline has seted up the filter screen notch, the internal surface welded connection of filter screen notch has sealed frame, be provided with first sealed pad on the sealed frame, the both ends of arc apron all welded connection has the extension rod, and the inside of extension rod has seted up the second through-hole, the inside of second through-hole runs through has the loose axle, the lateral surface bottom of loose axle has seted up connecting thread, and welded connection has limit baffle on the loose axle, the top fixed mounting of loose axle has the hand wheel, welded connection has the extrusion frame on the medial surface of arc apron, and the bottom of extruding the frame is provided with the sealed pad of second, the internally mounted of extrusion frame has the filter screen.

As a preferred technical scheme of the utility model, the sealed pad of second is pasted on the extrusion frame through strong viscose, the sealed pad of first sealed pad and second is the rubber material and makes.

As a preferred technical scheme of the utility model, hexagon nut passes through connecting thread and loose axle threaded connection, first through-hole is the same with the aperture of second through-hole, and the aperture of first through-hole and second through-hole all is greater than the cross section diameter of loose axle.

As a preferred technical scheme of the utility model, the upper end surface of extension rod and limit baffle's lower extreme surface are the smooth surface, and the cross section diameter of extension rod is less than limit baffle's cross section diameter.

As a preferred technical scheme of the utility model, the filter screen is the toper structure, the quantity of sealed frame is two, highly being less than the distance between two sealed frames of filter screen.

As an optimal technical scheme of the utility model, the surface of hand wheel is provided with anti-skidding line, the mesh diameter of filter screen is greater than five centimetres on zero.

The utility model discloses the beneficial effect who reaches is: through the filter screen that sets up, can filter the fluid through turbine flowmeter, detach the impurity that wherein can cause the jam to improved turbine flowmeter's anti-clogging performance, the easy dismounting of filter screen simultaneously to make things convenient for the clearance of impurity on the filter screen, the in-service use is effectual.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the communication pipe of the present invention;

fig. 3 is a partial top sectional view of the communication pipe according to the present invention.

In the figure: 1. a turbine flowmeter body; 2. a communicating pipe; 3. an arc-shaped cover plate; 4. fixing the bump; 5. a hexagonal groove; 6. a first through hole; 7. a hexagonal nut; 8. a filter screen notch; 9. sealing the frame; 10. a first gasket; 11. an extension pole; 12. a second through hole; 13. a movable shaft; 14. connecting threads; 15. a limit baffle; 16. a hand wheel; 17. extruding the frame; 18. a second gasket; 19. and (4) a filter screen.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Examples

As shown in fig. 1-3, the utility model provides a turbine flowmeter with good anti-clogging performance, which comprises a turbine flowmeter body 1 and a communicating pipe 2 arranged on the turbine flowmeter body 1, an arc-shaped cover plate 3 is arranged on the communicating pipe 2, fixing lugs 4 are welded on the outer surfaces of both sides of the communicating pipe 2, a hexagonal groove 5 is arranged on the outer surface of the bottom end of each fixing lug 4, a first through hole 6 is arranged on the outer surface of the upper end of each fixing lug 4, the hexagonal groove 5 is communicated with the first through hole 6, a hexagonal nut 7 is arranged inside the hexagonal groove 5, a filter screen notch 8 is arranged on the communicating pipe 2, a sealing frame 9 is welded on the inner surface of the filter screen notch 8, a first sealing gasket 10 is arranged on the sealing frame 9, extension rods 11 are welded on both ends of the arc-shaped cover plate 3, and second through holes 12 are arranged inside the extension rods 11, the movable shaft 13 penetrates through the inside of the second through hole 12, the connecting thread 14 is formed in the bottom of the outer side face of the movable shaft 13, the movable shaft 13 is connected with a limit baffle 15 in a welding mode, the top of the movable shaft 13 is fixedly provided with a hand wheel 16, an extrusion frame 17 is connected to the inner side face of the arc-shaped cover plate 3 in a welding mode, the bottom of the extrusion frame 17 is provided with a second sealing gasket 18, and the inside of the extrusion frame 17 is provided with a filter screen 19.

The second is sealed 18 and is pasted on extrusion frame 17 through strong viscose, first sealed pad 10 is made with the sealed 18 of second and is the rubber material, hexagon nut 7 passes through connecting thread 14 and loose axle 13 threaded connection, first through-hole 6 is the same with the aperture of second through-hole 12, and the aperture of first through-hole 6 and second through-hole 12 all is greater than the cross section diameter of loose axle 13, the upper end surface of extension rod 11 is the smooth surface with limit baffle 15's lower extreme surface, and the cross section diameter of extension rod 11 is less than limit baffle 15's cross section diameter, filter screen 19 is the toper structure, the quantity of sealed frame 9 is two, filter screen 19 highly is less than the distance between two sealed frames 9, the surface of hand wheel 16 is provided with anti-skidding line, the mesh diameter of filter screen 19 is greater than five centimetres on zero.

Specifically, use the utility model discloses the time, at first need install turbine flowmeter body 1 and wait to detect the pipeline on, at this in-process, need notice will be close to arc apron 3 one end and wait to detect the discharge end of pipeline and be connected, when fluid passes through intercommunication pipeline 2, it at first can be through the filtration of filter screen 19, detach bulky impurity wherein to avoid causing turbine flowmeter body 1 to block up, after a certain time, the staff then need clear up turbine flowmeter body 1, its specific operation is as follows: the hand wheel 16 is screwed manually to drive the movable shaft 13 to rotate until the hexagon nut 7 falls off from the movable shaft 13, then the arc-shaped cover plate 3 can be opened, the filter screen 19 can be taken out together because the extrusion frame 17 is welded on the arc-shaped cover plate 3, so that impurities accumulated on the filter screen 19 can be cleaned, the filter screen 19 can be installed back to the original position because the filter screen 19 is of a conical structure, the hexagon groove 5 formed in the fixed lug 4 is used for placing the hexagon nut 7 and can prevent the hexagon nut 7 from rotating synchronously along with the movable shaft 13, the quick screwing of the movable shaft 13 is facilitated, the filter screen notch 8 is used for inserting installation of the filter screen 19, the sealing frame 9 is matched with the first sealing gasket 10 to enhance the sealing performance between the communicating pipeline 2 and the arc-shaped cover plate 3 and avoid the overflow of the fluid, the second through hole 12 formed in the extension rod 11 is used for accommodating the movable shaft 13, and the extension rod 11 is matched with the limit baffle 15 to enable the movable shaft 13 to be tightened, the extrusion frame 17 is matched with the second sealing gasket 18 to be used for achieving sealing installation of the filter screen 19, and fluid is prevented from flowing through a gap between the extrusion frame 17 and the communication pipeline 2.

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 may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A turbine flowmeter with good anti-blocking performance comprises a turbine flowmeter body (1) and a communicating pipeline (2) arranged on the turbine flowmeter body (1), and is characterized in that an arc-shaped cover plate (3) is arranged on the communicating pipeline (2), fixing lugs (4) are welded and connected to the outer surfaces of the two sides of the communicating pipeline (2), a hexagonal groove (5) is formed in the outer surface of the bottom end of each fixing lug (4), a first through hole (6) is formed in the outer surface of the upper end of each fixing lug (4), the hexagonal groove (5) is communicated with the first through hole (6), a hexagonal nut (7) is arranged inside the hexagonal groove (5), a filter screen notch (8) is formed in the communicating pipeline (2), a sealing frame (9) is welded and connected to the inner surface of the filter screen notch (8), and a first sealing gasket (10) is arranged on the sealing frame (9), the equal welded connection in both ends of arc apron (3) has extension rod (11), and extension rod (11) inside has seted up second through-hole (12), the inside of second through-hole (12) is run through has loose axle (13), connecting thread (14) have been seted up to the lateral surface bottom of loose axle (13), and welded connection has limit baffle (15) on loose axle (13), the top fixed mounting of loose axle (13) has hand wheel (16), welded connection has extrusion frame (17) on the medial surface of arc apron (3), and the bottom of extrusion frame (17) is provided with the sealed pad (18) of second, the internally mounted of extrusion frame (17) has filter screen (19).

2. The turbine flowmeter with good anti-clogging performance according to claim 1, wherein the second sealing gasket (18) is adhered to the extrusion frame (17) by a strong adhesive, and the first sealing gasket (10) and the second sealing gasket (18) are made of rubber.

3. The turbine flowmeter with good anti-clogging performance according to claim 1, wherein the hexagonal nut (7) is in threaded connection with the movable shaft (13) through a connecting thread (14), the first through hole (6) and the second through hole (12) have the same diameter, and the diameters of the first through hole (6) and the second through hole (12) are both larger than the cross-sectional diameter of the movable shaft (13).

4. The turbine flowmeter with good anti-clogging performance according to claim 1, wherein the outer surface of the upper end of the extension rod (11) and the outer surface of the lower end of the limit baffle (15) are smooth surfaces, and the cross-sectional diameter of the extension rod (11) is smaller than that of the limit baffle (15).

5. The turbine flowmeter with good anti-clogging performance according to claim 1, wherein the filter screen (19) is of a conical structure, the number of the sealing frames (9) is two, and the height of the filter screen (19) is smaller than the distance between the two sealing frames (9).

6. A turbo flow meter with good anti-clogging properties according to claim 1, characterized in that the outer surface of said hand wheel (16) is provided with anti-slip threads, and the mesh diameter of said filter screen (19) is greater than zero five centimeters.