CN216385818U - Flowmeter with pipe diameter detection function - Google Patents
Flowmeter with pipe diameter detection function Download PDFInfo
- Publication number
- CN216385818U CN216385818U CN202122942805.6U CN202122942805U CN216385818U CN 216385818 U CN216385818 U CN 216385818U CN 202122942805 U CN202122942805 U CN 202122942805U CN 216385818 U CN216385818 U CN 216385818U
- Authority
- CN
- China
- Prior art keywords
- turbine
- flowmeter
- seat
- detection
- throttle plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Measuring Volume Flow (AREA)
Abstract
The utility model discloses a flowmeter with a pipe diameter detection function, which comprises a measuring pipe, a fluid inlet, a fluid outlet, a first turbine, a flow display, a throttle plate, a driving assembly and a detection assembly, wherein the measuring pipe is provided with a fluid inlet and a fluid outlet; the driving assembly comprises a driving seat communicated with the measuring pipe, a screw rod which is in threaded connection with the driving seat and one end of which is movably connected with the throttle plate, and a second turbine sleeved on the screw rod; the detection assembly comprises a detection seat, a detection disc arranged on the detection seat, a measuring rod inserted in the detection seat and one end of the measuring rod is rotatably connected with the detection disc, and a third turbine connected to the other end of the measuring rod; the second turbine is in transmission connection with the third turbine. According to the flowmeter, the flow display, the throttle plate, the second turbine, the third turbine and the detection disc are matched, the flow display and the detection disc can respectively display the flow and the pipe diameter in real time, the flow matching and the pipe diameter calibration are greatly facilitated, and the adjusted pipe diameter can be conveniently applied to an actual pipeline.
Description
Technical Field
The utility model relates to the field of flow detection, in particular to a flowmeter with a pipe diameter detection function.
Background
At present, the supply of the reaction materials for the hydrogen fuel cell is generally realized through a conveying pipeline. For controlling the input flow in the conveying pipeline, the pipeline diameter corresponding to the corresponding flow is usually simulated firstly, then the reaction materials are introduced into the flowmeter with the corresponding pipe diameter for testing, and finally the reaction materials are applied to the actual pipeline.
As is well known, there is an error between simulation and actual application, and therefore, when the simulation flow rate is not matched with the actual flow rate during the test, the pipe diameter needs to be adjusted in real time and the error needs to be eliminated. However, conventional flowmeters typically have only a single function. Such as a turbine/vortex shedding flowmeter, which can detect the input flow, but cannot be adjusted accordingly when the actual flow does not match the simulated flow; and the float flowmeter, it can match the flow through adjusting the pipe diameter, but can't show the adjustment numerical value of pipe diameter in real time, leads to can't be with the pipe diameter that matches with the flow after the adjustment in using to actual pipeline.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a flowmeter with a pipe diameter detection function.
In order to achieve the purpose, the utility model adopts the technical scheme that:
a flow meter with a pipe diameter detection function comprises a measuring pipe, a fluid inlet and a fluid outlet which are arranged at two ends of the measuring pipe in the axial direction, a first turbine arranged in the measuring pipe, and a flow display which is arranged on the measuring pipe and connected with the first turbine, and further comprises a throttle plate which is arranged in the measuring pipe in a sliding manner along the radial direction of the measuring pipe, a driving assembly used for driving the throttle plate to slide, and a detection assembly arranged on the measuring pipe;
the driving assembly comprises a driving seat communicated with the measuring pipe, a screw rod which is in threaded connection with the driving seat and one end of which is movably connected with the throttle plate, and a second turbine which is sleeved on the screw rod and can slide along the length direction of the screw rod;
the detection assembly comprises a detection seat, a detection disc arranged on the detection seat, a measuring rod inserted in the detection seat and one end of the measuring rod is rotatably connected with the detection disc, and a third turbine connected to the other end of the measuring rod;
wherein the second turbine is in driving connection with the third turbine.
Preferably, the plane of the throttle plate is parallel to the radial plane of the measuring tube.
Preferably, the flowmeter further includes two guide blocks disposed in the measuring tube and located on two sides of the throttle plate in the sliding direction, a guide groove is formed between the two guide blocks, and the throttle plate is slidably disposed in the guide groove.
Further preferably, the flowmeter further comprises an accommodating groove which is opened in the driving seat and communicated with the guide groove and is used for accommodating the throttle plate.
Preferably, the driving assembly further comprises a connecting ball head arranged at one end of the screw rod close to the throttle plate, a connecting cavity used for containing the connecting ball head is formed in the throttle plate, the connecting ball head is in clearance fit with the connecting cavity, and the caliber of a cavity opening of the connecting cavity is smaller than the diameter of the connecting ball head.
Preferably, the driving assembly further includes at least two protrusions disposed on a radial side of the screw and extending along a length direction of the screw, and at least two grooves disposed on an inner wall of the second turbine and corresponding to the at least two protrusions one to one, and the protrusions are embedded in the grooves in a clamping manner.
Preferably, the driving assembly further comprises a hand wheel arranged at one end of the screw rod far away from the throttle plate.
Preferably, the flowmeter further comprises a transmission assembly arranged between the second turbine and the third turbine, the transmission assembly comprises a transmission rod and two fourth turbines respectively arranged at two ends of the transmission rod, and the two fourth turbines are respectively meshed with the second turbine and the third turbine.
Further preferably, the detection seat and the driving seat are arranged at intervals along the direction from the fluid inlet to the fluid outlet, the transmission assembly further comprises a transmission seat and a bearing, the two ends of the transmission seat are respectively communicated with the detection seat and the driving seat, the bearing is internally connected in the transmission seat, and the transmission rod penetrates through the bearing.
Preferably, a gap is formed between the screw and the inner wall of the driving seat, and the flowmeter further comprises a plurality of sealing rings which are sleeved on the screw and are embedded with the gap.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages: according to the flowmeter, the flow display, the throttle plate, the second turbine, the third turbine and the detection disc are matched, so that when the throttle plate moves along the radial direction of the measuring pipe and shields part of the measuring pipe, the flow display and the detection disc can respectively display the flow and the pipe diameter in real time, the matching of the flow and the calibration of the pipe diameter are greatly facilitated, and the pipe diameter matched with the flow after adjustment can be conveniently applied to an actual pipeline.
Drawings
FIG. 1 is a schematic diagram of the internal structure of a flow meter in an embodiment of the utility model;
FIG. 2 is a schematic cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic cross-sectional view B-B of FIG. 1.
In the figure: 1. a measurement tube; 2. a fluid inlet; 3. a fluid outlet; 4. a first turbine; 5. a flow display; 6. a throttle plate; 7. a driving seat; 8. a screw; 9. a second turbine; 10. a detection seat; 11. detecting a disc; 12. a measuring rod; 13. a third turbine; 14. a guide block; 15. a guide groove; 16. an accommodating groove; 17. connecting a ball head; 18. a connecting cavity; 19. a protrusion; 20. a groove; 21. a hand wheel; 22. a transmission rod; 23. a fourth turbine; 24. a transmission seat; 25. a bearing; 26. a gap; 27. a seal ring; 28. a threaded portion.
Detailed Description
The technical scheme of the utility model is further explained by combining the attached drawings.
The utility model relates to an improvement of a flowmeter, which is characterized in that through the cooperation of a flow display 5, a throttle plate 6, a second turbine 9, a third turbine 13 and a detection disc 11, so that the flow rate display 5 can display the changed flow rate in real time when the throttle plate 6 moves along the radial direction of the measuring pipe 1 and shields a part of the measuring pipe 1, and the second turbine 9 can rotate along with the screw 8 and drive the third turbine 13 to rotate, so that the detection disc 11 connected with the third turbine 13 can detect the rotation number of the third turbine 13, then the number of turns of rotation is converted into the moving distance of the throttle plate 6 according to the corresponding mathematical principle, the pipe diameter of the measuring pipe 1 shielded by the throttle plate 6 is finally calculated according to the moving distance and displayed on the disc surface of the detection disc 11, therefore, the flow matching and the pipe diameter calibration are greatly facilitated, and the adjusted pipe diameter matched with the flow can be conveniently applied to an actual pipeline.
Referring to fig. 1 to 3, there is shown a flowmeter having a pipe diameter detecting function, comprising a measuring pipe 1, a fluid inlet 2 and a fluid outlet 3 provided at both ends of the measuring pipe 1 in an axial direction, a first turbine 4 provided in the measuring pipe 1, a flow rate indicator 5 provided on the measuring pipe 1 and connected to the first turbine 4, and further comprising a throttle plate 6 provided in the measuring pipe 1 to be slidable in a radial direction of the measuring pipe 1, a driving member for driving the throttle plate 6 to slide, and a detecting member provided on the measuring pipe 1. Wherein the plane of the throttle screen 6 is parallel to the radial plane of the measuring tube 1.
Further, the driving assembly comprises a driving seat 7 communicated with the measuring pipe 1, a screw 8 in threaded connection with the driving seat 7 and movably connected with the throttle plate 6 at one end thereof, and a second turbine 9 sleeved on the screw 8 and capable of sliding along the length direction of the screw 8; the detection assembly comprises a detection seat 10, a detection disc 11 arranged on the detection seat 10, a measuring rod 12 inserted in the detection seat 10 and with one end rotatably connected with the detection disc 11, and a third turbine 13 connected with the other end of the measuring rod 12; wherein, the second turbine 9 is in transmission connection with the third turbine 13.
Here, the measuring tube 1 extends in the horizontal direction, the screw 8 and the measuring rod 12 both extend in the vertical direction, and the connection structure and the operation principle of the first turbine 4 and the flow indicator 5 are the same as those of the turbine flowmeter in the prior art, and are not described in detail herein. A hand wheel 21 is provided at the end of the screw 8 remote from the shutter 6, and a threaded portion 28 is provided in the drive socket, which is threaded onto the screw. For the measurement of the pipe diameter, only the hand wheel 21 needs to be rotated, so that the screw 8 moves downwards in the driving seat 7 in a spiral manner and pushes the throttle plate 6 to move downwards, and at the moment, the second turbine 9 rotates along with the rotation of the screw 8 and cannot descend along with the screw 8 because of the sliding connection with the screw 8; the second turbine 9 drives the third turbine 13 to rotate, the third turbine 13 drives the measuring rod 12 to rotate, so that the detection disc 11 connected with the measuring rod 12 can detect the number of rotation turns of the third turbine 13, the descending distance of the throttle plate 6 is calculated through the number of rotation turns, and finally the pipe diameter calculated through the descending distance is displayed on the disc surface. Wherein, the descending distance of the throttle plate 6 is calculated through the number of turns of the third turbine 13, and the changed pipe diameter is finally calculated, and the calculation principle is a conventional principle and is not described herein.
As shown in fig. 2, the flowmeter further includes two guide blocks 14 disposed inside the measurement pipe 1 and located on both sides of the throttle plate 6 in the sliding direction, a guide groove 15 is formed between the two guide blocks 14, and the throttle plate 6 is slidably disposed in the guide groove 15. Through the setting of guide way 15 for throttle plate 6 can be along the radial smooth and easy slip of surveying buret 1 and adjust the pipe diameter of surveying buret 1, avoids throttle plate 6 to take place the slope because of fluidic impact, influences throttling effect.
Further, the flowmeter further includes a housing groove 16 opened in the drive seat 7 and communicating with the guide groove 15 for housing the throttle plate 6. When the throttle screen 6 gradually reduces the obstruction of the measuring tube 1, it can pass directly upwards into the receiving groove 16 and below the second turbine 9.
Preferably, the driving assembly further comprises a connecting ball 17 arranged at one end of the screw 8 close to the throttle plate 6, a connecting cavity 18 used for accommodating the connecting ball 17 is formed in the throttle plate 6, the connecting ball 17 is in clearance fit with the connecting cavity 18, and the aperture of the connecting cavity 18 is smaller than the diameter of the connecting ball 17. The arrangement of the connecting ball head 17 and the connecting groove can prevent the throttle plate 6 from rotating along with the screw rod 8 to influence the throttling effect. In this manner, the connecting bulb 17 can push the throttle plate 6 downward when the screw 8 moves downward, and the connecting bulb 17 can pull the throttle plate 6 upward when the screw 8 moves upward.
In this embodiment, as shown in fig. 3, the driving assembly further includes two protrusions 19 disposed on two radial sides of the screw 8 and extending along the length direction of the screw 8, and two grooves 20 opened on two radial inner walls of the second turbine 9 and corresponding to the two protrusions 19 one by one, and the protrusions 19 are embedded in the grooves 20.
Further, as shown in fig. 1, the flowmeter further includes a transmission assembly disposed between the second turbine 9 and the third turbine 13, the transmission assembly includes a transmission rod 22, and two fourth turbines 23 disposed at two ends of the transmission rod 22, and the two fourth turbines 23 are engaged with the second turbine 9 and the third turbine 13, respectively.
In this way, the second worm wheel 9 can slide up and down on the screw 8 by the arrangement of the protrusion 19 and the groove 20. In the two fourth turbines 23, one is located above the third turbine 13, and the other is located below the second turbine 9, so that the three form a limit structure, when the screw 8 rotates and descends, the second turbine 9 can rotate, but under the limit of the third turbine 13 and the fourth turbine 23, the second turbine 9 does not descend, but slides along the length direction of the screw 8 and is kept in place.
Further, the detection seat 10 and the driving seat 7 are arranged at intervals along the direction from the fluid inlet 2 to the fluid outlet 3, the transmission assembly further comprises a transmission seat 24 with two ends respectively communicated with the detection seat 10 and the driving seat 7, and a bearing 25 inscribed in the transmission seat 24, and the transmission rod 22 is arranged in the bearing 25 in a penetrating manner. Through the arrangement of the bearing 25, the limiting effect on the second turbine 9 is further ensured, and the rotation of the transmission rod 22 is not influenced.
In this embodiment, a gap 26 is formed between the screw 8 and the inner wall of the driving seat 7, and the flowmeter further includes two sealing rings 27 which are sleeved on the screw 8 and are engaged with the gap 26. The two sealing rings 27 form a double-layer sealing structure, and the sealing effect is ensured.
The following specifically explains the working process of this embodiment: inputting fluid into the measuring pipe 1 from the fluid inlet 2, and displaying the flow rate of the fluid in real time in the flow rate display 5 after the fluid flows through the first turbine 4;
then, when the fluid reaches the throttle plate 6, the hand wheel 21 is rotated, the screw 8 pushes the throttle plate 6 to move downwards and reduce the pipe diameter, at the moment, the second turbine 9 rotates along with the rotation of the screw 8 and drives the third turbine 13 to rotate, the third turbine 13 drives the measuring rod 12 to rotate, so that the detection disc 11 connected with the measuring rod 12 can detect the number of rotation turns of the third turbine 13, and finally, the pipe diameter obtained through the number of rotation turns is displayed on the disc surface.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (10)
1. The utility model provides a flowmeter with pipe diameter detects function, includes survey buret, sets up in survey the fluid import and the fluid export at buret axial both ends, locate survey intraductal first turbine, locate survey buret on and with the flow display that first turbine is connected, its characterized in that: the flowmeter also comprises a throttle plate which is arranged in the measuring pipe in a sliding way along the radial direction of the measuring pipe, a driving component for driving the throttle plate to slide and a detection component arranged on the measuring pipe;
the driving assembly comprises a driving seat communicated with the measuring pipe, a screw rod which is in threaded connection with the driving seat and one end of which is movably connected with the throttle plate, and a second turbine which is sleeved on the screw rod and can slide along the length direction of the screw rod;
the detection assembly comprises a detection seat, a detection disc arranged on the detection seat, a measuring rod inserted in the detection seat and one end of the measuring rod is rotatably connected with the detection disc, and a third turbine connected to the other end of the measuring rod;
wherein the second turbine is in driving connection with the third turbine.
2. The flowmeter with the pipe diameter detection function according to claim 1, characterized in that: the plane of the throttle plate is parallel to the radial plane of the measuring tube.
3. The flowmeter with the pipe diameter detection function according to claim 1, characterized in that: the flowmeter also comprises two guide blocks which are arranged in the measuring tube and positioned on two sides of the sliding direction of the throttle plate, a guide groove is formed between the two guide blocks, and the throttle plate is arranged in the guide groove in a sliding manner.
4. A flowmeter having a pipe diameter detecting function according to claim 3, wherein: the flowmeter also comprises an accommodating groove which is arranged in the driving seat and communicated with the guide groove and is used for accommodating the throttle plate.
5. The flowmeter with the pipe diameter detection function according to claim 1, characterized in that: the driving assembly further comprises a connecting ball head arranged at one end, close to the throttle plate, of the screw rod, a connecting cavity used for containing the connecting ball head is formed in the throttle plate, the connecting ball head is in clearance fit with the connecting cavity, and the caliber of a cavity opening of the connecting cavity is smaller than the diameter of the connecting ball head.
6. The flowmeter with the pipe diameter detection function according to claim 1, characterized in that: the driving assembly further comprises at least two protrusions which are arranged on the radial side part of the screw rod and extend along the length direction of the screw rod, at least two grooves which are arranged on the inner wall of the second turbine and correspond to the at least two protrusions one to one, and the protrusions are clamped in the grooves.
7. The flowmeter with the pipe diameter detection function according to claim 1, characterized in that: the driving assembly further comprises a hand wheel arranged at one end, far away from the throttle plate, of the screw rod.
8. The flowmeter with the pipe diameter detection function according to claim 1, characterized in that: the flowmeter further comprises a transmission assembly arranged between the second turbine and the third turbine, the transmission assembly comprises a transmission rod and two fourth turbines respectively arranged at two ends of the transmission rod, and the two fourth turbines are respectively meshed with the second turbine and the third turbine.
9. The flowmeter with the pipe diameter detection function according to claim 8, characterized in that: the detection seat and the driving seat are arranged at intervals along the direction from the fluid inlet to the fluid outlet, the transmission assembly further comprises a transmission seat and a bearing, the two ends of the transmission seat are respectively communicated with the detection seat and the driving seat, the bearing is internally connected in the transmission seat, and the transmission rod penetrates through the bearing.
10. The flowmeter with the pipe diameter detection function according to claim 1, characterized in that: the flowmeter also comprises a plurality of sealing rings which are sleeved on the screw rod and are embedded with the gaps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122942805.6U CN216385818U (en) | 2021-11-26 | 2021-11-26 | Flowmeter with pipe diameter detection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122942805.6U CN216385818U (en) | 2021-11-26 | 2021-11-26 | Flowmeter with pipe diameter detection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216385818U true CN216385818U (en) | 2022-04-26 |
Family
ID=81220681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122942805.6U Active CN216385818U (en) | 2021-11-26 | 2021-11-26 | Flowmeter with pipe diameter detection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216385818U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117629330A (en) * | 2024-01-26 | 2024-03-01 | 云南都得利医疗器械有限公司 | Multifunctional oxygen flow metering device |
-
2021
- 2021-11-26 CN CN202122942805.6U patent/CN216385818U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117629330A (en) * | 2024-01-26 | 2024-03-01 | 云南都得利医疗器械有限公司 | Multifunctional oxygen flow metering device |
| CN117629330B (en) * | 2024-01-26 | 2024-04-05 | 云南都得利医疗器械有限公司 | Multifunctional oxygen flow metering device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103149121B (en) | Unconventional natural gas content automatic measuring apparatus and measuring method thereof | |
| CN106683722B (en) | Cluster passage flows pressure measurement experimental provision | |
| CN216385818U (en) | Flowmeter with pipe diameter detection function | |
| CN105716668B (en) | Small-bore vertical spiral shell wing water meter | |
| CN206725022U (en) | Differential pressure type flowmeter and flow meter assembly | |
| CN104406646A (en) | Measurement device of pulverized coal mass flow meter | |
| CN205449171U (en) | Structure of zero resistance orifice flowmeter and definite its flow correction coefficient | |
| CN112526160B (en) | Micro-flow velocity measuring device, thermal hydraulic experiment table with same and method | |
| CN218973542U (en) | Turbine flowmeter with calibration function | |
| CN107830979B (en) | Visual pilot cobalt target cobalt rod flow induced vibration experimental device | |
| CN210834907U (en) | Online measuring equipment for water content of crude oil | |
| WO2015089899A1 (en) | Rotation-type flowmeter | |
| CN202471141U (en) | Target type uniflow flow meter | |
| CN111795816B (en) | Flow characteristic measuring device and method for control valve sleeve | |
| CN111650000A (en) | Online sampling water-containing instrument structure based on pressure difference | |
| CN210198462U (en) | Screw flowmeter | |
| CN110596353A (en) | Online measuring equipment for water content of crude oil | |
| CN209230744U (en) | A kind of wide-range verifies standard set-up than water meter | |
| CN209857974U (en) | Vortex street flowmeter | |
| CN2294458Y (en) | Loose leaves type flow rater meter | |
| CN203672417U (en) | Fluid director of water metering device | |
| CN212363790U (en) | Online sampling water-containing instrument structure based on pressure difference | |
| CN220871824U (en) | Multichannel flow transmitter | |
| CN110987092A (en) | Multiphase flow vortex shedding flowmeter in pit | |
| CN102445311B (en) | Gas-adjustable flow meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |