CN218411313U - Fixing structure of transducer of gas ultrasonic flowmeter - Google Patents
Fixing structure of transducer of gas ultrasonic flowmeter Download PDFInfo
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- CN218411313U CN218411313U CN202222663105.8U CN202222663105U CN218411313U CN 218411313 U CN218411313 U CN 218411313U CN 202222663105 U CN202222663105 U CN 202222663105U CN 218411313 U CN218411313 U CN 218411313U
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Abstract
The utility model relates to a fluid flow measurement technical field especially relates to a fixed knot of gaseous ultrasonic flowmeter transducer constructs. The method comprises the following steps: the valve body is horizontally arranged on a working plane and is provided with a mounting hole, the mounting hole is formed in the valve body and is provided with a first aperture section, the top end of the first aperture section is provided with a second aperture section, and the second aperture section is larger than the first aperture section; a flow meter transducer assembly disposed within the first bore section; and the plug is arranged in the second aperture section. The structure is simple, the processing cost is low, and the disassembly and the assembly are convenient. Make in the flowmeter transducer probe does not stretch out the runner, reduce the transducer and can produce the disturbance to gas flow in the runner, improve the measurement accuracy of flowmeter transducer, the transducer probe can not be washed away by high velocity air for a long time simultaneously, has increased the life of transducer.
Description
Technical Field
The utility model relates to a fluid flow measurement technical field especially relates to a fixed knot of gaseous ultrasonic flowmeter transducer constructs.
Background
With the rapid development of ultrasonic flowmeter technology, gas ultrasonic flowmeters have been widely used for measuring gases such as natural gas, petroleum gas and coal gas. Because the ultrasonic waves carry information of the flow velocity of the fluid when propagating in the flowing fluid, the flow velocity of the fluid can be detected through the received ultrasonic waves, and the flow velocity is converted into flow, but a transducer probe of the existing ultrasonic flowmeter extends out of a valve body and is exposed in a flow channel, as shown in fig. 1, so that two problems are caused, on one hand, a transducer protruding out of the flow channel can generate disturbance on the gas flow in the flow channel, and the ultrasonic flowmeter is very sensitive to non-ideal flow interference in principle, and further the measurement accuracy of the transducer of the flowmeter can be influenced; on the other hand, the long-term flushing of the transducer probe by the high velocity airflow reduces the service life of the transducer.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model provides a fixed knot of gaseous ultrasonic flowmeter transducer constructs to effectively solve the problem in the background art.
In order to achieve the purpose, the utility model adopts the technical proposal that: a mounting structure for a transducer of a gas ultrasonic flow meter, comprising:
the valve body is horizontally arranged on the working plane;
the mounting hole is formed in the valve body and provided with a first aperture section, a second aperture section is arranged at the top end of the first aperture section, and the second aperture section is larger than the first aperture section;
a flow meter transducer assembly disposed within the first bore section;
and the plug is arranged in the second aperture section.
Furthermore, the head of the flowmeter transducer assembly is provided with a first boss, the top end of the first boss is provided with a cup head, the top end of the cup head is provided with a second boss, and the top end of the second boss is provided with a signal transmission line.
Furthermore, a groove is formed in the first boss, and a sealing ring is arranged on the groove.
Further, the depth of the first bore section is greater than the depth of the first boss.
Further, the diameter of the first bore section is adapted to the diameter of the first boss.
Further, the diameter of the second aperture section is larger than that of the cup head, and the second aperture section is provided with an internal thread.
Further, the plug includes:
the top of the plug is provided with the first diameter section;
the top of the first diameter section is provided with the second diameter section, and the second diameter section is provided with an external thread;
the top of the second diameter section is provided with a third diameter section;
the hollow hole is concentrically arranged in the plug.
Wherein the third diameter section is larger than the second diameter section, which is larger than the first diameter section.
Further, the third diameter section is provided with at least two straight surfaces which are parallel to each other.
Further, the aperture of the clearance hole needs to be larger than the diameter of the second boss.
Furthermore, a plurality of the mounting holes are arranged on the valve body in a group with 45-degree diagonal angles.
The utility model has the advantages that: the utility model discloses a set up the valve body, the mounting hole is established on the valve body, the mounting hole is equipped with first aperture section, first aperture section top is equipped with the second aperture section, the second aperture section is greater than the first aperture section; a flow meter transducer assembly disposed within the first bore section; and the plug is arranged in the second aperture section. The structure is simple, the processing cost is low, and the disassembly and the assembly are convenient. Make in the flowmeter transducer probe does not stretch out the runner, reduce the transducer and can produce the disturbance to gas flow in the runner, improve the measurement accuracy of flowmeter transducer, the transducer probe can not be washed away by high velocity air for a long time simultaneously, has increased the life of transducer.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a block diagram of a transducer probe of a prior art gas ultrasonic flow meter extending out of a valve body and exposed in a flow passage;
FIG. 2 is a view of the structure of the present invention;
FIG. 3 is a front view of the present invention;
fig. 4 is a left side view of the present invention;
fig. 5 isbase:Sub>A cross-sectional view of the present invention in the direction ofbase:Sub>A-base:Sub>A in fig. 3;
fig. 6 is an enlarged view of the present invention at fig. 5B;
fig. 7 is a view showing the structure of the bulkhead.
Reference numerals: 1. a valve body; 2. mounting holes; 21. a first bore section; 22. a second bore section; 221. an internal thread; 3. A flow meter transducer assembly; 31. a first boss; 32. a second boss; 321. a groove; 322. a seal ring; 33. a signal transmission line; 34. a cup head; 4. a plug; 41. a first diameter section; 42. a second diameter section; 421. an external thread; 43. a third diameter section; 431. a straight surface; 44. and (5) avoiding a void.
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 should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect through an intermediate medium, and may be a communication between the two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 2 to 7: a mounting structure for a transducer of a gas ultrasonic flow meter, comprising:
the valve body 1 is horizontally arranged on a working plane;
the mounting hole 2 is formed in the valve body 1, the mounting hole 2 is provided with a first hole diameter section 21, a second hole diameter section 22 is arranged at the top end of the first hole diameter section 21, and the second hole diameter section 22 is larger than the first hole diameter section 21;
a flow meter transducer assembly 3, the flow meter transducer assembly 3 being disposed within the first bore section 21;
and the plug 4 is arranged in the second hole diameter section 22.
Through arranging the valve body 1, the valve body 1 is horizontally arranged on a working plane; the mounting hole 2 is formed in the valve body 1, the mounting hole 2 is provided with a first aperture section 21, the top end of the first aperture section 21 is provided with a second aperture section 22, and the second aperture section 22 is larger than the first aperture section 21; a flow meter transducer assembly 3, the flow meter transducer assembly 3 being disposed within the first bore section 21; and the plug 4 is arranged in the second hole diameter section 22. The structure is simple, the processing cost is low, and the disassembly and the assembly are convenient. Make in the flowmeter transducer probe does not stretch out the runner, reduce the transducer and can produce the disturbance to gas flow in the runner, improve the measurement accuracy of flowmeter transducer, the transducer probe can not be washed away by high velocity air for a long time simultaneously, has increased the life of transducer.
Preferably, the head of the flowmeter transducer assembly 3 is provided with a first boss 31, the top end of the first boss 31 is provided with a cup 34, the top end of the cup 34 is provided with a second boss 32, and the top end of the second boss 32 is provided with a signal transmission line 33.
Wherein, a groove 321 is arranged on the first boss 31, and a sealing ring 322 is arranged on the groove 321.
The first boss 31 is provided with a groove 321, and the groove 321 is provided with a sealing ring 322. The sealing ring 322 ensures gas sealing and increases the measurement accuracy of the flow meter transducer assembly 3.
Wherein the depth of the first bore section 21 is greater than the depth of the first boss 31.
The depth of the first hole diameter section 21 is larger than that of the first boss 31, so that the head of the flow meter transducer assembly 3 can not extend out of the flow channel, the disturbance of the flow of gas in the flow channel caused by the transducer can be reduced, the measurement precision of the flow meter transducer can be improved, the probe of the transducer can not be washed away by high-speed airflow for a long time, and the service life of the transducer can be prolonged.
In the present embodiment, the diameter of the first bore section 21 is adapted to the diameter of the first boss 31.
Preferably, the diameter of the second bore section 22 is larger than the diameter of the cup head 34, and the second bore section 22 is provided with an internal thread 221.
Through the diameter adaptation that sets up the diameter of first aperture section 21 and first boss 31, and be equipped with the sealing washer groove on the first boss 31, the sealing washer of packing into seals, for the flowmeter transducer subassembly of conveniently packing into, sets up the diameter that second aperture section 22 is greater than the diameter of cup 34.
Wherein, end cap 4 includes:
the first diameter section 41 is arranged, and the top of the plug 4 is provided with the first diameter section 41;
a second diameter section 42, wherein the top of the first diameter section 41 is provided with the second diameter section 42, and the second diameter section 42 is provided with an external thread 421;
a third diameter section 43, wherein the top of the second diameter section 42 is provided with the third diameter section 43;
the clearance hole 44 is concentrically arranged in the plug 4.
Wherein the third diameter section 43 is larger than the second diameter section 42, and the second diameter section 42 is larger than the first diameter section 41.
Through setting up second diameter section 42, the top of first diameter section 41 is equipped with second diameter section 42, and second diameter section 42 is equipped with external screw thread 421, and when the end cap was packed into the mounting hole, first diameter section supported flowmeter transducer subassembly back, and internal screw thread 221 screwed up with end cap internal and external screw thread 421 on the mounting hole and is fixed flowmeter transducer subassembly 3, sets up clearance hole 44 in the middle of end cap 4, conveniently draws forth signal transmission line 33. When the plug is disassembled, the plug is required to be unscrewed, so that the mounting is convenient, and the disassembly is simple.
Preferably, the third diameter section 43 is provided with at least two straight faces 431 parallel to each other.
By providing third diameter section 43, at least two mutually parallel straight faces 431 are provided. Firstly, the straight surface can be used as a processing and clamping reference of the plug 4, secondly, during assembly, the straight surface is convenient to be manually screwed in, and finally, the straight surface is clamped by a tool vice to realize the function of screwing the plane, so that the clamping is convenient.
In this embodiment, the diameter of the clearance hole 44 is larger than the diameter of the second boss 32.
The diameter of the clearance hole 44 is larger than the diameter of the second boss 32, so that the second boss 32 at the tail part of the flowmeter transducer assembly 3 is avoided, and the assembly is convenient to clamp.
Preferably, the mounting holes 2 are arranged on the valve body 1 in a group of two at 45 degrees of opposite angles.
Through setting up a plurality of mounting holes 2 two and set up on valve body 1 for a set of diagonal angle 45, ultrasonic flowmeter sensing unit should install at the within range about 45 of horizontal direction, can effectively avoid transducer sound wave surface to receive granule or air interference.
It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A mounting structure for a transducer of a gas ultrasonic flow meter, comprising:
the valve body (1), the said valve body (1) locates the working plane horizontally;
the valve body (1) is provided with a mounting hole (2), the mounting hole (2) is formed in the valve body (1), the mounting hole (2) is provided with a first aperture section (21), the top end of the first aperture section (21) is provided with a second aperture section (22), and the second aperture section (22) is larger than the first aperture section (21);
a flowmeter transducer assembly (3), said flowmeter transducer assembly (3) being disposed within said first bore section (21);
and the plug (4) is arranged in the second aperture section (22).
2. A fixing structure of a gas ultrasonic flowmeter transducer according to claim 1, characterized in that the head of the flowmeter transducer assembly (3) is provided with a first boss (31), the top end of the first boss (31) is provided with a cup head (34), the top end of the cup head (34) is provided with a second boss (32), and the top end of the second boss (32) is provided with a signal transmission line (33).
3. A mounting arrangement for a gas ultrasonic flow meter transducer according to claim 2, wherein the first boss (31) is provided with a groove (321), and the groove (321) is provided with a sealing ring (322).
4. A fixation structure for a gas ultrasonic flow meter transducer according to claim 3, wherein the depth of the first aperture section (21) is greater than the depth of the first boss (31).
5. A fixation structure for a gas ultrasonic flow meter transducer according to claim 4, wherein the diameter of the first bore section (21) is adapted to the diameter of the first boss (31).
6. A fixation arrangement for a gas ultrasonic flow meter transducer according to claim 5, characterized in that the diameter of the second bore section (22) is larger than the diameter of the cup head (34), and that the second bore section (22) is provided with an internal thread (221).
7. A fixing structure of a gas ultrasonic flowmeter transducer according to claim 6, characterized in that the bulkhead (4) comprises:
the top of the plug (4) is provided with the first diameter section (41);
a second diameter section (42), the second diameter section (42) being provided at the top of the first diameter section (41), the second diameter section (42) being provided with an external thread (421);
a third diameter section (43), wherein the top of the second diameter section (42) is provided with the third diameter section (43);
the hollow hole (44) is concentrically arranged in the plug (4);
wherein the third diameter section (43) is larger than the second diameter section (42), the second diameter section (42) being larger than the first diameter section (41).
8. A fixation arrangement for a gas ultrasonic flow meter transducer according to claim 7, wherein the third diameter section (43) is provided with at least two straight faces (431) which are parallel to each other.
9. A fixing structure of transducer of gas ultrasonic flowmeter according to claim 8, characterized in that the hole diameter of clearance hole (44) is larger than the diameter of second boss (32).
10. A fixation structure for a gas ultrasonic flow meter transducer according to any one of claims 1 to 9, wherein a number of the mounting holes (2) are provided on the valve body (1) in groups of two with 45 ° diagonal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222663105.8U CN218411313U (en) | 2022-10-09 | 2022-10-09 | Fixing structure of transducer of gas ultrasonic flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222663105.8U CN218411313U (en) | 2022-10-09 | 2022-10-09 | Fixing structure of transducer of gas ultrasonic flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218411313U true CN218411313U (en) | 2023-01-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222663105.8U Active CN218411313U (en) | 2022-10-09 | 2022-10-09 | Fixing structure of transducer of gas ultrasonic flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218411313U (en) |
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2022
- 2022-10-09 CN CN202222663105.8U patent/CN218411313U/en active Active
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