CN220508131U - High-precision vortex shedding flowmeter - Google Patents
High-precision vortex shedding flowmeter Download PDFInfo
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- CN220508131U CN220508131U CN202322189796.7U CN202322189796U CN220508131U CN 220508131 U CN220508131 U CN 220508131U CN 202322189796 U CN202322189796 U CN 202322189796U CN 220508131 U CN220508131 U CN 220508131U
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- 238000001514 detection method Methods 0.000 claims 3
- 239000012530 fluid Substances 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 230000009471 action Effects 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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Abstract
The utility model discloses a high-precision vortex shedding flowmeter, which relates to the technical field of vortex shedding flowmeters and comprises a flowmeter body, a meter rod and a display screen, wherein a circular air bag ring is fixedly arranged in a ring groove positioned on the outer side, one end of an adjusting bolt is rotatably provided with a movable body which is arranged in an inflation tube in a sliding manner, the upper surface of a connecting ball is fixedly provided with a connecting tube, and external threads of a threaded tube are provided with nuts. The utility model can realize double sealing of the joint, even if the flowmeter body shakes in the use process, the tightness of the inner ring of the flowmeter can be ensured under the action of the elasticity and expansion deformation of the air bag ring, the leakage of the joint is prevented, the normal conveying work of fluid is ensured, the orientation and the angle of the display screen can be adjusted in an adapting way according to the actual use requirement, and the adjustment process is simple, convenient and easy to operate, so the flexibility of the display direction of the flowmeter and the adaptability of the flowmeter can be greatly improved.
Description
Technical Field
The utility model relates to the technical field of vortex shedding flowmeters, in particular to a high-precision vortex shedding flowmeter.
Background
The vortex street flowmeter is produced according to Karman vortex street principle, and is mainly used for measuring flow rate of industrial pipeline medium fluid, such as various mediums of gas, liquid and steam, and is characterized by small pressure loss, large range of measuring range, high accuracy, almost no influence of parameters of fluid density, pressure, temperature and viscosity, etc. when measuring working condition volume flow rate, no movable mechanical parts are used, so that it has high reliability, small maintenance quantity and long-term stability of instrument parameters.
The utility model discloses a high-precision vortex shedding flowmeter in the prior art CN 211877128U, which comprises a flowmeter body and a buffer mechanism, wherein the stability of vortex shedding flowmeter installation can be effectively improved, the rapid shaking of the vortex shedding flowmeter caused by the too high flow rate of fluid is prevented from affecting the measurement accuracy, but the utility model and the traditional vortex shedding flowmeter are both installed on corresponding pipelines through flanges, however, after a period of use, the shaking of the flowmeter caused by the fluid easily causes the poor tightness of the joint of the flowmeter and the pipelines, the joint is leaked, the fluid conveying work is affected, the error of the measurement result is caused, and the utility model and the traditional flowmeter display screen are directly fixed on a meter rod, so that the orientation and the angle of the utility model are difficult to be adjusted in an adapting way according to the actual use requirement, the display direction of the flowmeter is not flexible enough, and the adaptability of the flowmeter is poor.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a high-precision vortex shedding flowmeter, and solves the problems in the prior art.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the high-precision vortex shedding flowmeter comprises a flowmeter body, a meter rod and a display screen, wherein mounting flanges are fixedly arranged at two ends of the flowmeter body, two annular grooves are sequentially formed in the outer side of each mounting flange from inside to outside, an annular sealing ring is fixedly arranged in each annular groove and an annular air bag ring is fixedly arranged in each annular groove, an air charging pipe with one open end is fixedly arranged at two sides of the upper surface of the flowmeter body, a fixing frame is fixedly arranged at the opening of each air charging pipe, a fixing nut is welded at the outer side of each fixing frame, an adjusting bolt is arranged at an inner thread of each fixing nut, a piston which is slidably arranged in each air charging pipe is rotatably arranged at one end of each adjusting bolt, an air guide pipe is fixedly connected to one end of each air charging pipe far away from each fixing frame in an inserting mode, and one end of each air guide pipe far away from each air charging pipe is fixedly connected to each air bag ring in an inserting mode;
the utility model discloses a meter, including table pole, screw thread pipe, connecting ball, screw thread pipe, screw cap, screw thread, the upper end fixed mounting of table pole has the screw thread pipe, the surface of screw thread pipe has seted up logical groove along the axis direction, the inside grafting of screw thread pipe is installed the connecting ball, and the upper surface fixed mounting of connecting ball has the connecting pipe, and the screw cap is installed to the external screw thread of screw thread pipe.
Optionally, the fixing hole site of mounting flange is interior to run through and installs fastening bolt, and the outside of mounting flange passes through fastening bolt fixed mounting and has a mounting flange, the outside fixed mounting of mounting flange has the pipeline with flowmeter body intercommunication.
Optionally, the lower extreme fixed mounting of table pole is in the middle part of flowmeter body, and the lower extreme of table pole is located the internally mounted of flowmeter body and has the test probe, test probe passes through wire and display screen electric connection, the inside of flowmeter body is located one side of test probe and installs the generator.
Optionally, the adjusting bolt is inserted into the air charging tube by penetrating through the fixing frame, and the air duct is inserted and fixed into the mounting flange.
Optionally, the upper end of the threaded pipe is in an opening shape, the through groove penetrates through the threaded pipe in the radial direction, and the through groove extends upwards to the upper surface of the threaded pipe.
Optionally, the diameter of the connecting ball is the same as the inner diameter of the threaded pipe, and a threading hole is formed between the connecting ball and the inside of the connecting pipe.
Optionally, the upper end of nut is the opening form, and the nut cup joints in the outside of connecting pipe through its upper end opening, display screen fixed mounting is in the upper end of connecting pipe.
Advantageous effects
The utility model provides a high-precision vortex shedding flowmeter, which has the following beneficial effects:
according to the high-precision vortex shedding flowmeter, through the matching arrangement of the air bag ring, the sealing ring, the air charging pipe, the fixing nut, the adjusting bolt, the piston and the air guide pipe, double sealing of the joint can be achieved, and the air bag ring is inflated to enable the air bag ring to be tightly pressed on the fixing flange, so that the sealing performance of the joint can be effectively improved, even if the flowmeter body shakes in the using process, the sealing performance of the inner ring of the flowmeter body can be ensured under the action of elasticity and expansion deformation of the air bag ring, and therefore the sealing performance of the joint is effectively prevented from being poor due to shaking of the flowmeter caused by fluid, leakage of the joint is prevented, and normal conveying work of the fluid is guaranteed;
this high accuracy vortex shedding flowmeter sets up through screwed pipe, logical groove, connecting ball, connecting pipe and nut's cooperation, can realize orientation and the angle of display screen and carry out the adaptation according to the in-service use demand and adjust simple convenient easy operation in addition, consequently the flexibility of improvement flowmeter that can be very big shows the direction and the adaptability of flowmeter.
Drawings
FIG. 1 is a schematic front perspective view of the present utility model;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;
FIG. 3 is a schematic side view of the present utility model;
FIG. 4 is a schematic view of the present utility model in elevation and partial cross-section;
FIG. 5 is an enlarged schematic view of the structure of FIG. 4B according to the present utility model;
FIG. 6 is an enlarged schematic view of the structure of FIG. 4 at C in accordance with the present utility model;
fig. 7 is a schematic diagram of a front perspective explosion structure at the watch bar of the utility model.
In the figure: 1. a flowmeter body; 2. a mounting flange; 3. a pipe; 4. a fixed flange; 5. a fastening bolt; 6. an inflation tube; 7. a fixing frame; 8. a fixing nut; 9. an adjusting bolt; 10. a piston; 11. an air duct; 12. an air bag ring; 13. a seal ring; 14. a watch bar; 15. a threaded tube; 16. a through groove; 17. a connecting ball; 18. a connecting pipe; 19. a screw cap; 20. a display screen; 21. a threading hole; 23. a generator; 24. and detecting the probe.
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.
Example 1
Referring to fig. 1 to 5, the present utility model provides the following technical solutions: the utility model provides a high accuracy vortex shedding flowmeter, including flowmeter body 1, table pole 14 and display screen 20, equal fixed mounting in both ends of flowmeter body 1 has mounting flange 2, install fastening bolt 5 in the fixed orifices of mounting flange 2, and the outside of mounting flange 2 is through fastening bolt 5 fixed mounting has mounting flange 4, the outside fixed mounting of mounting flange 4 has the pipeline 3 with flowmeter body 1 intercommunication, the lower extreme fixed mounting of table pole 14 is in the middle part of flowmeter body 1, and the lower extreme of table pole 14 is located the internally mounted of flowmeter body 1 and has test probe 24, test probe 24 passes through wire and display screen 20 electric connection, the inside of flowmeter body 1 is located one side of test probe 24 and installs the generator 23, two annular grooves have been seted up in proper order from interior to exterior in the outside of mounting flange 2, be located annular inslot fixed mounting has annular sealing washer 13, and be located annular inslot fixed mounting of outside annular gasbag ring 12, the equal fixed mounting of upper surface both sides of flowmeter body 1 has one end to be the gas tube 6 of open-ended, the fixed mounting of gas tube 6 has mount 7, the outside welding fixed mounting of mount 7 has 8, the fixed mounting of 8 of the inside of gas tube 8 is located the inside of gas tube 8, the fixed mounting 9 is located the gas tube 6 and is kept away from the one end of gas tube 6 through the inside adjusting bolt 9, the one end of 3 is kept away from in the gas tube 11, the fixed mounting tube is fixed 9, the one end of the gas tube is kept away from the gas tube is fixed 9 through the gas tube is fixed in the gas tube is fixed by the gas tube 6, and is connected with the gas tube through the inside adjusting bolt 9, and is connected through the gas tube through the plug-bolt 9, and is kept away from the one end of the inside 9.
When the vortex shedding flowmeter is used, after the installation flanges 2 at two ends are fixed on the pipeline 3, the fixing flange 4 can realize the first layer of sealing between the installation flanges 2 and the fixing flange 4 through extrusion of the sealing rings 13, then the piston 10 can be pushed to slide towards the air duct 11 through screwing the adjusting bolts 9, at the moment, the air duct 6 can be inflated into the air bag ring 12 through the air duct 11 to enable the air bag ring to expand to a certain extent, and the air bag ring is tightly extruded on the fixing flange 4, so that the second layer of sealing between the installation flanges 2 and the fixing flange 4 is realized, and the tightness of the joint can be effectively improved through compressing the air bag ring 12 on the fixing flange 4 through inflation, even if the flowmeter body 1 shakes in the use process, the tightness of the inner ring can be ensured under the action of elasticity and expansion deformation of the air bag ring 12, thereby the joint is effectively prevented from being poor due to shaking of the flowmeter caused by fluid, the joint leakage is prevented, and normal conveying work of the fluid is ensured.
Example 2
Referring to fig. 1, 4, 6 and 7, the present utility model provides the following technical solutions: the high-precision vortex shedding flowmeter is characterized in that a threaded pipe 15 is fixedly arranged at the upper end of a meter rod 14, a through groove 16 is formed in the outer surface of the threaded pipe 15 along the axial direction, the upper end of the threaded pipe 15 is in an opening shape, the through groove 16 penetrates through the threaded pipe 15 in the radial direction, the through groove 16 extends upwards to the upper surface of the threaded pipe 15, a connecting ball 17 is inserted and installed in the threaded pipe 15, a connecting pipe 18 is fixedly installed on the upper surface of the connecting ball 17, the diameter of the connecting ball 17 is the same as the inner diameter of the threaded pipe 15, a penetrating threading hole 21 is formed in the connecting ball 17 and the inner part of the connecting pipe 18, a nut 19 is installed on the outer thread of the threaded pipe 15, the upper end of the nut 19 is in an opening shape, the nut 19 is sleeved on the outer part of the connecting pipe 18 through an opening at the upper end of the nut 19, and a display screen 20 is fixedly installed on the upper end of the connecting pipe 18.
When the flowmeter is used, the connecting ball 17 can freely move on the threaded pipe 15, so that the orientation and the angle of the display screen 20 can be adjusted by stirring the display screen 20, the nut 19 is screwed on the threaded pipe 15 after the display screen 20 is adjusted to a proper position, and due to the arrangement of the through groove 16, certain elastic deformation can be generated inwards on two sides of the threaded pipe 15 located on the through groove 16 under the action of the extrusion force of the nut 19 in the screwing process, so that the connecting ball 17 is clamped and fixed through the inner surface of the threaded pipe 15, the adjustment and the fixation of the display screen 20 are finally completed, the orientation and the angle of the display screen 20 are adjusted in an adapting mode according to actual use requirements, and the adjustment process is simple, convenient and easy to operate, so that the flexibility of the display direction of the flowmeter and the adaptability of the flowmeter can be greatly improved.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The utility model provides a high accuracy vortex shedding flowmeter, includes flowmeter body, table pole and display screen, its characterized in that: the two ends of the flowmeter body are fixedly provided with mounting flanges, two annular grooves are sequentially formed in the outer side of each mounting flange from inside to outside, an annular sealing ring is fixedly arranged in each annular groove and is positioned in each annular groove, an annular air bag ring is fixedly arranged in each annular groove, two sides of the upper surface of the flowmeter body are fixedly provided with an air charging pipe with one end being in an open shape, the opening of each air charging pipe is fixedly provided with a fixing frame, the outer side of each fixing frame is welded with a fixing nut, an adjusting bolt is arranged on each internal thread of each fixing nut, one end of each adjusting bolt is rotatably provided with a piston which is arranged in each air charging pipe in a sliding mode, one end, far away from each fixing frame, of each air charging pipe is fixedly connected with an air guide pipe in an inserting mode, and one end, far away from each air charging pipe, of each air guide pipe is fixedly connected onto each air bag ring in an inserting mode;
the utility model discloses a meter, including table pole, screw thread pipe, connecting ball, screw thread pipe, screw cap, screw thread, the upper end fixed mounting of table pole has the screw thread pipe, the surface of screw thread pipe has seted up logical groove along the axis direction, the inside grafting of screw thread pipe is installed the connecting ball, and the upper surface fixed mounting of connecting ball has the connecting pipe, and the screw cap is installed to the external screw thread of screw thread pipe.
2. The high-precision vortex shedding flowmeter of claim 1, wherein: the fixing hole of the mounting flange is internally penetrated with a fastening bolt, the outer side of the mounting flange is fixedly provided with a fixing flange through the fastening bolt, and the outer side of the fixing flange is fixedly provided with a pipeline communicated with the flowmeter body.
3. The high-precision vortex shedding flowmeter of claim 1, wherein: the lower extreme fixed mounting of table pole is in the middle part of flowmeter body, and the lower extreme of table pole is located the internally mounted of flowmeter body and has detection probe, detection probe passes through wire and display screen electric connection, the inside of flowmeter body is located one side of detection probe and installs the generator.
4. The high-precision vortex shedding flowmeter of claim 1, wherein: the adjusting bolt is inserted into the air charging pipe by penetrating through the fixing frame, and the air duct is inserted and fixed into the mounting flange.
5. The high-precision vortex shedding flowmeter of claim 1, wherein: the upper end of the threaded pipe is in an opening shape, the through groove penetrates through the threaded pipe in the radial direction, and the through groove extends upwards to the upper surface of the threaded pipe.
6. The high-precision vortex shedding flowmeter of claim 1, wherein: the diameter of the connecting ball is the same as the inner diameter of the threaded pipe, and a threading hole which is communicated with the inside of the connecting ball and the connecting pipe is formed.
7. The high-precision vortex shedding flowmeter of claim 1, wherein: the upper end of the nut is in an opening shape, the nut is sleeved outside the connecting pipe through an opening at the upper end of the nut, and the display screen is fixedly arranged at the upper end of the connecting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322189796.7U CN220508131U (en) | 2023-08-15 | 2023-08-15 | High-precision vortex shedding flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322189796.7U CN220508131U (en) | 2023-08-15 | 2023-08-15 | High-precision vortex shedding flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220508131U true CN220508131U (en) | 2024-02-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322189796.7U Active CN220508131U (en) | 2023-08-15 | 2023-08-15 | High-precision vortex shedding flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220508131U (en) |
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2023
- 2023-08-15 CN CN202322189796.7U patent/CN220508131U/en active Active
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