CN218724376U - Vortex street flowmeter - Google Patents
Vortex street flowmeter Download PDFInfo
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- CN218724376U CN218724376U CN202221350483.4U CN202221350483U CN218724376U CN 218724376 U CN218724376 U CN 218724376U CN 202221350483 U CN202221350483 U CN 202221350483U CN 218724376 U CN218724376 U CN 218724376U
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Abstract
The utility model discloses a vortex shedding flowmeter, including the measuring tube way, the both ends of measuring tube way are provided with the ring flange, measuring tube way top fixed mounting has connecting pipe seat spare to through connecting pipe seat spare demountable installation have a measuring catheter, the one end that connecting pipe seat spare was kept away from to measuring catheter has the dial plate through dial plate seat fixed mounting. The beneficial effects are that: the measuring pipeline is characterized in that a connecting pipe seat piece is fixedly arranged at the top end of the measuring pipeline, a measuring catheter is detachably arranged on the connecting pipe seat piece, detachable connection with the measuring catheter is achieved through the connecting pipe seat piece, and the sealing performance between the connecting pipe seat piece and the bottom end of the measuring catheter is guaranteed. The one end that connecting pipe seat spare was kept away from to the survey pipe has the dial plate through dial plate seat fixed mounting, and the dial plate seat is used for installing the dial plate to realize its and the sealing connection on survey pipe top through the dial plate seat, thereby realize the leakproofness that survey pipe top and bottom are connected, guarantee the dial plate measuring accuracy.
Description
Technical Field
The utility model relates to a flowmeter technical field especially relates to a vortex flowmeter.
Background
The vortex street flowmeter is produced by researching according to the Karman vortex street principle, is mainly used for measuring the flow of industrial pipeline medium fluid, such as various media of gas, liquid, steam and the like, and is characterized by small pressure loss, wide measuring range and high precision, and is hardly influenced by parameters of fluid density, pressure, temperature and the like when measuring the volume flow under working conditions. In the actual use process of the existing vortex shedding flowmeter, the sealing performance in the butt joint gap of the measuring conduit and the measuring pipeline and the dial plate is not good enough, so that the measuring result is inaccurate; and impurities in the gas or liquid can easily enter the measuring guide pipe, so that the gas or liquid is not easy to replace and clean.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a vortex flowmeter is provided with rather than matched with connecting pipe seat spare, dial plate seat through bottom and the top at the survey meter pipe, improves the leakproofness at survey meter pipe both ends joint gap, guarantees the dial plate measuring accuracy.
The technical scheme of the utility model is realized like this:
the utility model provides a vortex shedding flowmeter, includes the measuring tube way, the both ends of measuring tube way are provided with the ring flange, measuring tube way top fixed mounting has connecting pipe seat spare to through connecting pipe seat spare demountable installation have a measuring duct, the one end that connecting pipe seat spare was kept away from to measuring duct has the dial plate through dial plate seat fixed mounting.
Furthermore, the connecting pipe seat piece comprises a connecting seat fixedly installed at the top end of the measuring pipeline, a connecting pipe communicated with the measuring guide pipe is arranged at the top end of the connecting seat, and the connecting pipe is in threaded fit with a thread groove in the inner wall of the bottom end of the measuring guide pipe through an external thread structure.
Furthermore, a first annular sealing groove is formed in one end, close to the connecting seat, of the side face of the connecting pipe, and a first O-shaped sealing ring in sealing fit with the inner wall of the measuring guide pipe is arranged in the first annular sealing groove.
Furthermore, the bottom end of the dial plate seat is provided with a dial plate connecting pipe matched with the internal thread at the top end of the measuring guide pipe, and the bottom end of the dial plate connecting pipe is matched with the thread groove of the inner wall at the top end of the measuring guide pipe through an external thread structure.
Furthermore, a second annular sealing groove is formed in one end, close to the dial plate seat, of the side face of the dial plate connecting pipe, and a second O-shaped sealing ring in sealing fit with the inner wall of the measuring guide pipe is arranged in the second annular sealing groove.
Furthermore, the top end of the connecting pipe is in threaded connection with a filtering framework, and a filtering net is installed on the filtering framework.
The utility model has the advantages that: the measuring pipeline is characterized in that a connecting pipe seat piece is fixedly arranged at the top end of the measuring pipeline, a measuring catheter is detachably arranged on the connecting pipe seat piece, detachable connection with the measuring catheter is achieved through the connecting pipe seat piece, and the sealing performance between the connecting pipe seat piece and the bottom end of the measuring catheter is guaranteed. The one end that connecting pipe seat spare was kept away from to the survey pipe has the dial plate through dial plate seat fixed mounting, and the dial plate seat is used for installing the dial plate to realize its and the sealing connection on survey pipe top through the dial plate seat, thereby realize the leakproofness that survey pipe top and bottom are connected, guarantee the dial plate measuring accuracy.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a vortex shedding flowmeter;
FIG. 2 is a schematic view of a measuring catheter;
FIG. 3 is an enlarged view taken at A in FIG. 2;
fig. 4 is an enlarged view at B in fig. 3.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
According to the utility model discloses an embodiment provides a vortex flowmeter.
Referring to fig. 1-4, according to the utility model discloses vortex street flowmeter, including measuring pipeline 1, measuring pipeline 1's both ends are provided with the ring flange, 1 top fixed mounting of measuring pipeline has connecting pipe seat spare 2 to through connecting pipe seat spare 2 demountable installation have measuring pipe 3, measuring pipe 3 keeps away from the one end of connecting pipe seat spare 2 and has dial plate 5 through 4 fixed mounting of dial plate seat.
Through the technical scheme: the top end of the measuring pipeline 1 is fixedly provided with a connecting pipe seat part 2, the measuring pipe 3 is detachably arranged on the connecting pipe seat part 2, the connecting pipe seat part 2 is detachably connected with the measuring pipe 3, and the sealing performance between the connecting pipe seat part 2 and the bottom end of the measuring pipe 3 is guaranteed.
One end of the measuring guide pipe 3, which is far away from the connecting pipe seat piece 2, is fixedly provided with a dial 5 through a dial seat 4, the dial seat 4 is used for installing the dial 5, and the dial seat 4 is used for realizing the sealing connection between the measuring guide pipe and the top end of the measuring guide pipe 3. Thereby realize measuring the leakproofness that pipe 3 top and bottom are connected, guarantee the accuracy of dial plate 5 measurement.
Further, connecting pipe seat spare 2 includes connecting seat 21 of fixed mounting on measuring pipeline 1 top, the top of connecting seat 21 is equipped with the connecting pipe 22 that is linked together with measuring pipe 3, connecting pipe 22 passes through the 6 screw-thread fits of thread groove of external screw thread structure and measuring pipe 3 bottom inner wall.
Through the technical scheme: the connecting pipe 22 is in threaded fit with the thread groove 6 on the inner wall of the bottom end of the measuring guide pipe 3 through an external thread structure, so that the measuring guide pipe 3 and the connecting pipe 22 are convenient to disassemble and assemble.
Furthermore, one end of the side surface of the connecting pipe 22 close to the connecting seat 21 is provided with a first annular sealing groove 23, and a first O-shaped sealing ring 24 in sealing fit with the inner wall of the measuring guide pipe 3 is arranged in the first annular sealing groove 23.
Through the technical scheme: one end of the side surface of the connecting pipe 22 close to the connecting seat 21 is provided with a first annular sealing groove 23, and a first O-shaped sealing ring 24 which is in sealing fit with the inner wall of the measuring guide pipe 3 is arranged in the first annular sealing groove 23, so that the sealing property between the inner wall of the measuring guide pipe 3 and the connecting pipe 22 can be improved.
Furthermore, the bottom end of the dial plate seat 4 is provided with a dial plate connecting pipe 7 which is in threaded fit with the inner thread at the top end of the measuring guide pipe 3, and the bottom end of the dial plate connecting pipe 7 is in threaded fit with a thread groove 6 on the inner wall at the top end of the measuring guide pipe 3 through an external thread structure.
Through the technical scheme: the bottom end of the dial plate connecting pipe 7 is in threaded fit with the threaded groove 6 on the inner wall of the top end of the measuring guide pipe 3 through an external thread structure, and the measuring guide pipe 3 and the dial plate connecting pipe 7 are conveniently detached and installed.
Further, a second annular sealing groove 71 is formed in one end, close to the dial seat 4, of the side surface of the dial connecting pipe 7, and a second O-shaped sealing ring 72 in sealing fit with the inner wall of the measurement guide pipe 3 is arranged in the second annular sealing groove 71.
Through the technical scheme: a second annular sealing groove 71 is formed in one end, close to the dial seat 4, of the side face of the dial connecting pipe 7, a second O-shaped sealing ring 72 in sealing fit with the inner wall of the measuring guide pipe 3 is arranged in the second annular sealing groove 71, and therefore the sealing performance between the inner wall of the measuring guide pipe 3 and the dial connecting pipe 7 is improved.
Further, the top end of the connecting pipe 22 is connected with a filtering framework 8 through threads, and a filtering screen 9 is installed on the filtering framework 8.
Through the technical scheme: a filter framework 8 is installed at the top end of the connecting pipe 22 through threads, and a filter screen 9 is installed on the filter framework 8 to filter gas or liquid entering the measuring guide pipe 3 from the measuring pipeline 1. When the filter screen is disassembled, the measuring catheter 3 and the connecting pipe seat piece 2 are separated in a rotating mode, then the filter framework 8 is separated in a rotating mode from the connecting pipe 22, and the filter screen 9 is convenient to clean or replace. The situation that the signal is weakened or unstable due to the fact that impurities in the medium are embedded into the pressure taking hole or a gap between the sensing element and the dial plate is avoided.
The first O-ring 24 and the second O-ring 72 are made of nitrile rubber.
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 (6)
1. The utility model provides a vortex flowmeter, its characterized in that, includes measuring pipeline (1), the both ends of measuring pipeline (1) are provided with the ring flange, measuring pipeline (1) top fixed mounting has connecting pipe seat spare (2) to through connecting pipe seat spare (2) demountable installation have measuring pipe (3), measuring pipe (3) keep away from the one end of connecting pipe seat spare (2) and have dial plate (5) through dial plate seat (4) fixed mounting.
2. The vortex shedding flowmeter according to claim 1, wherein the connecting pipe seat (2) comprises a connecting seat (21) fixedly arranged at the top end of the measuring pipe (1), the top end of the connecting seat (21) is provided with a connecting pipe (22) communicated with the measuring pipe (3), and the connecting pipe (22) is in threaded fit with the threaded groove (6) on the inner wall of the bottom end of the measuring pipe (3) through an external thread structure.
3. The vortex shedding flowmeter according to claim 2, wherein a first annular sealing groove (23) is formed in one end of the side surface of the connecting pipe (22) close to the connecting seat (21), and a first O-shaped sealing ring (24) which is in sealing fit with the inner wall of the measuring guide pipe (3) is arranged in the first annular sealing groove (23).
4. The vortex shedding flowmeter according to claim 1, wherein the bottom end of the dial seat (4) is provided with a dial connecting pipe (7) which is in threaded fit with the top internal thread of the measuring conduit (3), and the bottom end of the dial connecting pipe (7) is in threaded fit with the thread groove (6) on the top internal wall of the measuring conduit (3) through an external thread structure.
5. The vortex flowmeter according to claim 4, wherein a second annular seal groove (71) is formed in one end of the side surface of the dial connecting pipe (7) close to the dial seat (4), and a second O-shaped seal ring (72) which is in sealing fit with the inner wall of the measuring guide pipe (3) is arranged in the second annular seal groove (71).
6. The vortex shedding flowmeter according to claim 2, wherein the top end of the connecting pipe (22) is connected with a filtering framework (8) in a threaded manner, and a filtering screen (9) is arranged on the filtering framework (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221350483.4U CN218724376U (en) | 2022-05-31 | 2022-05-31 | Vortex street flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221350483.4U CN218724376U (en) | 2022-05-31 | 2022-05-31 | Vortex street flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218724376U true CN218724376U (en) | 2023-03-24 |
Family
ID=85606710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221350483.4U Active CN218724376U (en) | 2022-05-31 | 2022-05-31 | Vortex street flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218724376U (en) |
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2022
- 2022-05-31 CN CN202221350483.4U patent/CN218724376U/en active Active
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