CN210293315U - High-pressure flange type vortex shedding flowmeter - Google Patents
High-pressure flange type vortex shedding flowmeter Download PDFInfo
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- CN210293315U CN210293315U CN201921577361.7U CN201921577361U CN210293315U CN 210293315 U CN210293315 U CN 210293315U CN 201921577361 U CN201921577361 U CN 201921577361U CN 210293315 U CN210293315 U CN 210293315U
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- probe
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- detection rod
- sealing ring
- measuring tube
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Abstract
The utility model discloses a high-pressure flange type vortex shedding flowmeter, which comprises a measuring tube, flanges arranged at the two ends of the measuring tube, a vortex generating body arranged in the tube body of the measuring tube and a probe arranged on the measuring tube, and is characterized in that the probe comprises a signal lead, a detection rod and a flange which are arranged from inside to outside in sequence, a metal sealing ring is arranged below the flange, and the two are integrated; the flange is connected with a probe mounting seat on the measuring pipe through a fastening screw; the detection rod is characterized in that a sealing ring groove corresponding to the Rankine seal ring part of the probe method is arranged on the probe mounting seat, the upper half part of the detection rod is a hollow thick-wall pipe, and a piezoelectric sensor is arranged in the detection rod. The probe flange and the metal sealing ring are integrally designed, the number of matched parts is reduced, and the installation convenience and the sealing safety are improved, so that the safety and the reliability of the whole instrument are improved.
Description
Technical Field
The utility model relates to a flowmeter technical field specifically is a high-pressure flange formula vortex flowmeter.
Background
The vortex street flowmeter is one flowmeter with one non-streamline vortex generator set inside fluid to separate the fluid alternately on two sides of the generator and release two regularly staggered vortex rows with vortex separating frequency in direct proportion to the flow rate. The detection of vortex separation frequency signals of the existing vortex shedding flowmeter usually adopts a sensor probe, the installation mode of the sensor probe usually adopts an insertion type mode, and the sensor probe and a measuring pipe are connected into a whole through fastening screws and sealing gaskets. The installation mode basically meets the safety performance requirement when the flow of the medium and low pressure fluid is measured. However, in the practical application and practice process of the flowmeter, the high-pressure fluid measuring instrument adopts the sealing form, the sealing effect and the safety performance of the high-pressure fluid measuring instrument are questionable, and the safety margin is slightly insufficient.
In conclusion, a vortex shedding flowmeter for measuring the flow of high-pressure fluid is urgently needed in the market, and the probe mounting seat of the vortex shedding flowmeter are excellent in sealing performance and firm in structure, so that the requirements for safely, reliably, stably and accurately measuring the flow of the fluid are met.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high pressure flange formula vortex shedding flowmeter has solved the problem that above-mentioned background art provided.
In order to achieve the above object, the utility model provides a following technical scheme: a high-pressure flange type vortex shedding flowmeter comprises a measuring tube, flanges arranged at two ends of the measuring tube, a vortex generating body arranged in a tube body of the measuring tube and a probe arranged on the measuring tube, and is characterized in that the probe comprises a signal lead, a detection rod and a probe flange which are sequentially arranged from inside to outside, a metal sealing ring is arranged below the probe flange, and the metal sealing ring and the probe flange are integrated; the probe flange is connected with a probe mounting seat on the measuring tube through a fastening screw; the probe mounting seat is provided with a sealing ring groove corresponding to the metal sealing ring of the probe flange, and the upper half part of the detection rod is a hollow thick-wall pipe and is internally provided with a piezoelectric sensor.
Preferably, the detection rod and the probe flange are integrally machined.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model provides a high pressure flange formula vortex flowmeter satisfies the sealed good demand of probe, realizes that instrument safe and reliable, stable, accurate carries out fluid flow's measurement. The probe flange and the metal sealing ring are integrally designed, the number of matched parts is reduced, and the convenience of installation and the sealing safety are improved, so that the safety and the reliability of the whole instrument are improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the probe structure of the present invention;
FIG. 3 is a schematic view of the sectional structure of the probe mounting base of the present invention;
fig. 4 is a schematic view of the probe mounting base of the present invention.
In the figure: 1 flange, 2 measuring pipes, 3 vortex generating bodies, 4 probe mounting seats, 41 sealing ring grooves and 5
The probe, 51 signal lead, 52 detection rod, 53 probe flange, 54 metal sealing ring and 6 fastening screw.
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.
Referring to fig. 1-4, the utility model provides a high-pressure flange-type vortex shedding flowmeter, which comprises a measuring tube 2, flanges 1 arranged at two ends of the measuring tube 2, a vortex generating body 3 arranged in the tube body of the measuring tube 2, and a probe 5 arranged on the measuring tube 2, and is characterized in that the probe 5 comprises a signal lead 51, a detecting rod 52 and a probe flange 53 which are arranged in sequence from inside to outside, a metal sealing ring 54 is arranged below the probe flange 53, and the two are integrated; the probe flange 53 is connected with the probe mounting seat 4 on the measuring tube 2 through a fastening screw 6; the probe mounting seat 4 is provided with a sealing ring groove 41 corresponding to the metal sealing ring 54 of the probe flange 53, and the upper half part of the detection rod 52 is a hollow thick-wall pipe and is internally provided with a piezoelectric sensor (not shown).
When in use, the detection rod 52 is impacted by the karman vortex street which is alternatively generated by the fluid at the rear end of the vortex generating body 3 to generate swing, and the swing frequency is in direct proportion to the flow; the upper half part of the detection rod 52 is a hollow thick-walled tube, and a built-in piezoelectric sensor generates an electric signal according to the swing of the detection rod 52 and transmits and outputs the electric signal through a signal lead 51.
The utility model discloses in, satisfy the sealed good demand of probe 5, realize that instrument safe and reliable, stable, accurate carry out fluid flow's measurement. The probe 5 and the probe mounting seat 4 are improved, a ring connection face (RJ) form is adopted as a sealing face, and the probe flange 53 and the metal sealing ring 54 are integrally designed, so that the number of matched parts is reduced, the convenience of installation and the sealing safety are improved, and the safety and the reliability of the whole instrument are improved.
Preferably, the detection rod 52 and the probe flange 53 are integrally formed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. A high-pressure flange type vortex shedding flowmeter comprises a measuring pipe (2), flanges (1) arranged at two ends of the measuring pipe (2), a vortex generating body (3) arranged in the pipe body of the measuring pipe (2) and a probe (5) arranged on the measuring pipe (2), and is characterized in that the probe (5) comprises a signal lead (51), a detection rod (52) and a probe flange (53) which are sequentially arranged from inside to outside, wherein a metal sealing ring (54) is arranged below the probe flange (53) and is integrated; the probe flange (53) is connected with a probe mounting seat (4) on the measuring pipe (2) through a fastening screw (6); be provided with on probe mount pad (4) with the sealed annular that metal seal ring (54) of probe flange (53) correspond, the first half of test rod (52) is hollow thick-walled pipe, built-in piezoelectric sensor.
2. The high pressure flange-type vortex shedding flowmeter of claim 1, wherein: the detection rod (52) and the probe flange (53) are integrally machined and formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921577361.7U CN210293315U (en) | 2019-09-20 | 2019-09-20 | High-pressure flange type vortex shedding flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921577361.7U CN210293315U (en) | 2019-09-20 | 2019-09-20 | High-pressure flange type vortex shedding flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210293315U true CN210293315U (en) | 2020-04-10 |
Family
ID=70063497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921577361.7U Expired - Fee Related CN210293315U (en) | 2019-09-20 | 2019-09-20 | High-pressure flange type vortex shedding flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210293315U (en) |
-
2019
- 2019-09-20 CN CN201921577361.7U patent/CN210293315U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200410 Termination date: 20210920 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |