High-precision gas ultrasonic flowmeter

Abstract

The utility model relates to the technical field of gas ultrasonic flow meters, and discloses a high-precision gas ultrasonic flow meter which comprises an ultrasonic flow meter body and further comprises an extension pipe, an adjusting pipe, a sealing strip and an adjusting assembly. An extension pipe is fixedly connected to the outer side of the ultrasonic flowmeter body, an adjusting pipe is slidably connected to the interior of the extension pipe, a sealing strip is fixedly connected to the interior of the extension pipe, and the adjusting pipe is slidably connected to the interior of the sealing strip; the distance between flanges on the two sides of the ultrasonic flowmeter body can be adjusted according to different interval lengths between pipelines, then a threaded rod rotates in a base and an L-shaped support, a limiting sliding block of the ultrasonic flowmeter body moves in the base, the limiting sliding block does not make contact with a corresponding groove in a first sliding shaft, and therefore the ultrasonic flowmeter is convenient to adjust. Therefore, the ultrasonic flowmeter body is prevented from shaking, and the precision is prevented from being influenced.

Description

Technical Field

[0001] The utility model relates to the field of gas ultrasonic flowmeters, in particular to a high-precision gas ultrasonic flowmeter. Background Art

[0002] A high-precision gas ultrasonic flowmeter is a device that uses ultrasonic technology to measure gas flow. With its high precision and multiple advantages, it has become an ideal choice for gas flow measurement. It is widely used in petrochemical, natural gas transportation, gas supply and other fields, and is particularly suitable for the metering management of urban gas and industrial gas.

[0003] In the existing technology, the gas ultrasonic flowmeter is installed on the pipeline through a flange. However, due to the influence of the interval length between the pipelines, it is necessary to replace the gas ultrasonic flowmeter with a pipeline of different models. The pipeline length on the gas ultrasonic flowmeter cannot be adjusted, which reduces the practicality of the gas ultrasonic flowmeter. Therefore, it is necessary to improve a high-precision gas ultrasonic flowmeter to solve the above problems. Utility Model Content

[0004] In order to overcome the influence of the interval length between the pipes, it is necessary to replace the gas ultrasonic flowmeter with a pipe of a different model, and the problem of not being able to adjust the pipe length on the gas ultrasonic flowmeter.

[0005] The technical solution of the utility model is: a high-precision gas ultrasonic flowmeter, including an ultrasonic flowmeter body, an extension tube, an adjustment tube, a sealing strip and an adjustment component. The adjustment component is provided on the top of the ultrasonic flowmeter body, the outer side of the ultrasonic flowmeter body is fixedly connected to the extension tube, the interior of the extension tube is slidably connected to the adjustment tube, the interior of the extension tube is fixedly connected to the sealing strip, the adjustment tube is slidably connected to the inside of the sealing strip, and the adjustment tube slides inside the extension tube and the sealing strip.

[0006] Preferably, by rotating the threaded rod inside the base and the L-shaped bracket, it drives the limit slider to be threadedly connected, so that it can move inside the base, and by moving away from the first sliding axis, the corresponding groove on the first sliding axis has no contact with it, and then by sliding the adjusting tube inside the extension tube, the spacing between the flanges on both sides of the ultrasonic flowmeter body can be adjusted according to the different interval lengths between the pipes, and then by rotating the threaded rod in the opposite direction, the limit slider limits the first sliding axis to prevent the ultrasonic flowmeter body from shaking, thereby affecting its accuracy, thereby improving the assembly efficiency of the gas ultrasonic flowmeter, and improving the practicality of the gas ultrasonic flowmeter, by pulling the ultrasonic flowmeter display upward, the second sliding axis slides inside the fixed axis, and then by rotating the rotating disk to be connected to the inside of the rotating disk, the spring is reset, so that the angle of the ultrasonic flowmeter display can be adjusted according to the use environment of the gas ultrasonic flowmeter, making it convenient for personnel to observe and improving efficiency.

[0007] Preferably, a convex disc is provided on the outside of the adjusting tube, and the convex disc is fixedly connected to the inner side of the adjusting tube. The convex disc is used to limit the adjusting tube and prevent it from sliding out of the extension tube.

[0008] Preferably, the outer side of the adjusting tube is fixedly connected to a flange, the outer side of the extension tube is fixedly connected to a base, the outer side of the adjusting tube is fixedly connected to a fixed block, the inner side of the base is slidably connected to a first sliding shaft, the first sliding shaft is fixedly connected to the inner side of the fixed block, the outer side of the base is fixedly connected to an L-shaped bracket, the base and the internal rotation of the L-shaped bracket are connected with a threaded rod, the outer thread of the threaded rod is connected to a limit slider, and the limit slider is slidably connected to the inside of the base, and the threaded rod is rotated inside the base and the L-shaped bracket to drive the limit slider to be threadedly connected, so that it can move inside the base, and by moving away from the first sliding shaft, the corresponding groove on the first sliding shaft has no contact with it. By sliding the adjusting tube inside the extension tube, the spacing between the flanges on both sides of the ultrasonic flowmeter body can be adjusted according to the different interval lengths between the pipes, and then the threaded rod is rotated in the opposite direction to limit the first sliding shaft to prevent the ultrasonic flowmeter body from shaking, thereby affecting its accuracy.

[0009] Preferably, the base is provided with a groove at the position of the limit slider, and the limit slider moves in the groove. The limit slider is limited by the groove to prevent it from rotating, thereby improving stability.

[0010] Preferably, the first sliding shaft is provided with a groove at the corresponding position of the limit slider, and the limit slider moves in the groove. Through the groove, the threaded rod can limit the first sliding shaft by adjusting the limit slider. The limitation is performed when it is needed, and it is not limited when it is not needed.

[0011] Preferably, the adjustment assembly includes a fixed shaft, which is fixedly connected to the top of the ultrasonic flowmeter body, and the top of the ultrasonic flowmeter body is fixedly connected to a limit disk. The fixed shaft is internally slidably connected to a second sliding shaft, and the top of the second sliding shaft is fixedly connected to a special-shaped block. The special-shaped block is internally rotatably connected to a rotating disk, and a spring is fixedly connected between the rotating disk and the fixed shaft. The top of the special-shaped block is fixedly connected to an ultrasonic flowmeter display. By pulling the ultrasonic flowmeter display upward, its second sliding shaft slides inside the fixed shaft, and then it is connected to the inside of the rotating disk through rotation of the rotating disk, so that its spring is reset, so that the angle of the ultrasonic flowmeter display can be adjusted according to the use environment of the gas ultrasonic flowmeter, making it convenient for personnel to observe and improve efficiency.

[0012] Preferably, the limiting plate is provided with a groove at a corresponding position of the special-shaped block, and the special-shaped block moves in the groove, and limits the ultrasonic flow meter display through the groove, so that the angle of the ultrasonic flow meter display can be adjusted.

[0013] Preferably, the fixed shaft is provided with a groove at a corresponding position of the second sliding shaft, and the second sliding shaft moves in the groove, through which the ultrasonic flowmeter display can slide upward, and the spring can reset it after rotation, thereby improving practicality.

[0014] Beneficial effects of the utility model:

[0015] 1. By sliding the adjusting tube inside the extension tube, the distance between the flanges on both sides of the ultrasonic flowmeter body can be adjusted according to the different interval lengths between the pipes, and then the threaded rod is rotated inside the base and the L-shaped bracket to make the limit slider move inside the base so that it does not contact the corresponding groove on the first sliding shaft, thereby preventing the ultrasonic flowmeter body from shaking, thereby affecting its accuracy, and avoiding the problem of being affected by the interval length between the pipes, and needing to replace the gas ultrasonic flowmeter with different types of pipes, and not being able to adjust the pipe length on the gas ultrasonic flowmeter.

[0016] 2. Pull the ultrasonic flow meter display upward to make its second sliding axis slide inside the fixed axis, and then rotate the rotating disk connected to the inside of the rotating disk to reset its spring, so that the angle of the ultrasonic flow meter display can be adjusted according to the use environment, making it more convenient for personnel to observe, thereby improving efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the first overall structure of a high-precision gas ultrasonic flowmeter of the present utility model;

[0018] Figure 2This is a schematic diagram of the sealing strip structure of a high-precision gas ultrasonic flowmeter of the present utility model;

[0019] Figure 3 This is a schematic diagram of the threaded rod structure of a high-precision gas ultrasonic flowmeter of the present utility model;

[0020] Figure 4 This is a schematic diagram of the structure of a limit plate of a high-precision gas ultrasonic flowmeter of the present utility model;

[0021] Figure 5 The utility model is a schematic diagram of the structure of a high-precision gas ultrasonic flowmeter adjustment component.

[0022] Explanation of the accompanying symbols: 1. Ultrasonic flowmeter body; 21. Extension tube; 22. Adjusting tube; 23. Sealing strip; 24. Flange; 25. Base; 26. Fixed block; 27. First sliding shaft; 28. L-shaped bracket; 29. Threaded rod; 210. Limiting slider; 31. Fixed shaft; 32. Limiting disk; 33. Second sliding shaft; 34. Special-shaped block; 35. Rotating disk; 36. Spring; 37. Ultrasonic flowmeter display. DETAILED DESCRIPTION

[0023] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0024] See also Figure 1-Figure 5 The utility model provides an embodiment: a high-precision gas ultrasonic flowmeter, including an ultrasonic flowmeter body 1, an extension tube 21, an adjusting tube 22, a sealing strip 23 and an adjusting component. The top of the ultrasonic flowmeter body 1 is provided with an adjusting component, the outer side of the ultrasonic flowmeter body 1 is fixedly connected with the extension tube 21, the inner side of the extension tube 21 is slidably connected with the adjusting tube 22, the inner side of the extension tube 21 is fixedly connected with the sealing strip 23, the adjusting tube 22 is slidably connected to the inner side of the sealing strip 23, and the adjusting tube 22 is slidably connected to the inner side of the sealing strip 23 through the extension tube 21 and the sealing strip 23. A convex disk is provided on the outside of the adjusting tube 22, and the convex disk is fixedly connected to the inner side of the adjusting tube 22. The convex disk is used to limit the adjusting tube 22 to prevent it from sliding out of the inner side of the extension tube 21.

[0025] See also Figure 2-Figure 3In this embodiment, the outer side of the adjusting tube 22 is fixedly connected with a flange 24, the outer side of the extension tube 21 is fixedly connected with a base 25, the outer side of the adjusting tube 22 is fixedly connected with a fixed block 26, the inner side of the base 25 is slidably connected with a first sliding shaft 27, the first sliding shaft 27 is fixedly connected to the inner side of the fixed block 26, the outer side of the base 25 is fixedly connected with an L-shaped bracket 28, the inner side of the base 25 and the L-shaped bracket 28 are rotatably connected with a threaded rod 29, the outer side of the threaded rod 29 is threadedly connected to a limit slider 210, the limit slider 210 is slidably connected to the inner side of the base 25, and the threaded rod 29 is rotated inside the base 25 and the L-shaped bracket 28, so that it drives the limit slider 210 to be threadedly connected, so that it moves inside the base 25, and by moving away from the first sliding shaft 27, the corresponding groove on the first sliding shaft 27 is not in contact with it. By sliding the adjusting tube 22 inside the extension tube 21, the spacing between the flanges 24 on both sides of the ultrasonic flowmeter body 1 can be adjusted according to the different interval lengths between the pipes, and then the threaded rod 29 is rotated in the opposite direction to limit the first sliding shaft 27 to prevent the ultrasonic flowmeter body 1 from shaking, thereby affecting its accuracy. The base 25 is provided with a groove at the position of the limit slider 210, and the limit slider 210 moves in the groove. The limit slider 210 is limited by the groove to prevent it from rotating and improve stability. The first sliding shaft 27 is provided with a groove at the corresponding position of the limit slider 210, and the limit slider 210 moves in the groove. The threaded rod 29 can limit the first sliding shaft 27 by adjusting the limit slider 210 through the groove. When limiting is required, it is limited, and when not required, it is not limited.

[0026] See also Figure 4-Figure 5In this embodiment, the adjustment component includes a fixed shaft 31, which is fixedly connected to the top of the ultrasonic flowmeter body 1. The top of the ultrasonic flowmeter body 1 is fixedly connected to a limit disk 32. The interior of the fixed shaft 31 is slidably connected to a second sliding shaft 33. The top of the second sliding shaft 33 is fixedly connected to a special-shaped block 34. The interior of the special-shaped block 34 is rotatably connected to a rotating disk 35. A spring 36 is fixedly connected between the rotating disk 35 and the fixed shaft 31. The top of the special-shaped block 34 is fixedly connected to an ultrasonic flowmeter display 37. By pulling the ultrasonic flowmeter display 37 upward, the second sliding shaft 33 slides inside the fixed shaft 31, and then the second sliding shaft 33 is rotatably connected to the rotating disk 35. The interior of the movable disk 35 resets its spring 36, so that it can adjust the angle of the ultrasonic flowmeter display 37 according to the use environment of the gas ultrasonic flowmeter, making it convenient for personnel to observe and improve efficiency. The limiting disk 32 has a groove at the corresponding position of the special-shaped block 34, and the special-shaped block 34 moves in the groove. The ultrasonic flowmeter display 37 is limited by the groove, so that the angle of the ultrasonic flowmeter display 37 can be adjusted. The fixed shaft 31 has a groove at the corresponding position of the second sliding shaft 33, and the second sliding shaft 33 moves in the groove. The ultrasonic flowmeter display 37 can slide upward through the groove. After rotation, the spring 36 can reset it, thereby improving practicality.

[0027] During operation, by rotating the threaded rod 29 inside the base 25 and the L-shaped bracket 28, the limiting slider 210 is threadedly connected and moved inside the base 25. By moving away from the first sliding shaft 27, the corresponding groove on the first sliding shaft 27 is not in contact with it. By sliding the adjusting tube 22 inside the extension tube 21, the distance between the flanges 24 on both sides of the ultrasonic flowmeter body 1 can be adjusted according to the different interval lengths between the pipes. Then, by rotating the threaded rod 29 in the opposite direction, the limiting slider 210 limits the first sliding shaft 27 to prevent the ultrasonic flowmeter body 1 from shaking, thereby affecting its accuracy, thereby improving the assembly efficiency of the gas ultrasonic flowmeter and improving the practicality of the gas ultrasonic flowmeter. By pulling the ultrasonic flowmeter display 37 upward, the second sliding shaft 33 slides inside the fixed shaft 31, and then the rotating disk 35 is rotated to connect to the inside of the rotating disk 35, so that the spring 36 is reset, so that the angle of the ultrasonic flowmeter display 37 can be adjusted according to the use environment of the gas ultrasonic flowmeter, making it convenient for personnel to observe and improve efficiency.

[0028] Through the above steps, the adjustment tube 22 is slid inside the extension tube 21 and the sealing strip 23 to solve the problem that the gas ultrasonic flowmeter with different types of pipes needs to be replaced due to the influence of the interval length between the pipes and the inability to adjust the pipe length on the gas ultrasonic flowmeter.

Claims

1. A high-precision gas ultrasonic flowmeter, comprising an ultrasonic flowmeter body (1), characterized in that: The ultrasonic flowmeter body (1) further comprises an extension tube (21), an adjustment tube (22), a sealing strip (23) and an adjustment component. The adjustment component is provided on the top of the ultrasonic flowmeter body (1). The outer side of the ultrasonic flowmeter body (1) is fixedly connected to the extension tube (21). The interior of the extension tube (21) is slidably connected to the adjustment tube (22). The interior of the extension tube (21) is fixedly connected to the sealing strip (23). The adjustment tube (22) is slidably connected to the interior of the sealing strip (23). The adjustment tube (22) slides inside the extension tube (21) and the sealing strip (23).

2. A high-precision gas ultrasonic flowmeter according to claim 1, characterized in that: A convex disc is provided on the outside of the regulating tube (22), and the convex disc is fixedly connected to the inside of the regulating tube (22).

3. A high-precision gas ultrasonic flowmeter according to claim 1, characterized in that: The outer side of the regulating tube (22) is fixedly connected to a flange (24), the outer side of the extension tube (21) is fixedly connected to a base (25), the outer side of the regulating tube (22) is fixedly connected to a fixed block (26), the inner side of the base (25) is slidably connected to a first sliding shaft (27), the first sliding shaft (27) is fixedly connected to the inner side of the fixed block (26), the outer side of the base (25) is fixedly connected to an L-shaped bracket (28), the inner sides of the base (25) and the L-shaped bracket (28) are rotatably connected to a threaded rod (29), the outer side of the threaded rod (29) is threadedly connected to a limiting slider (210), and the limiting slider (210) is slidably connected to the inner side of the base (25).

4. A high-precision gas ultrasonic flowmeter according to claim 3, characterized in that: The base (25) is provided with a groove at the position of the limiting slider (210), and the limiting slider (210) moves in the groove.

5. A high-precision gas ultrasonic flowmeter according to claim 3, characterized in that: The first sliding shaft (27) is provided with a groove at a corresponding position of the limiting sliding block (210), and the limiting sliding block (210) moves in the groove.

6. A high-precision gas ultrasonic flowmeter according to claim 1, characterized in that: The regulating assembly comprises a fixed shaft (31), the fixed shaft (31) is fixedly connected to the top of the ultrasonic flowmeter body (1), the top of the ultrasonic flowmeter body (1) is fixedly connected to a limit disk (32), the interior of the fixed shaft (31) is slidably connected to a second sliding shaft (33), the top of the second sliding shaft (33) is fixedly connected to a special-shaped block (34), the interior of the special-shaped block (34) is rotatably connected to a rotating disk (35), a spring (36) is fixedly connected between the rotating disk (35) and the fixed shaft (31), and the top of the special-shaped block (34) is fixedly connected to an ultrasonic flowmeter display (37).

7. A high-precision gas ultrasonic flowmeter according to claim 6, characterized in that: The limiting plate (32) is provided with a groove at a corresponding position of the special-shaped block (34), and the special-shaped block (34) moves in the groove.

8. The high-precision gas ultrasonic flowmeter according to claim 6, characterized in that: The fixed shaft (31) is provided with a groove at a corresponding position of the second sliding shaft (33), and the second sliding shaft (33) moves in the groove.

Images