CN214748329U - Flowmeter comparison device easy and simple to handle - Google Patents
Flowmeter comparison device easy and simple to handle Download PDFInfo
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- CN214748329U CN214748329U CN202121183898.2U CN202121183898U CN214748329U CN 214748329 U CN214748329 U CN 214748329U CN 202121183898 U CN202121183898 U CN 202121183898U CN 214748329 U CN214748329 U CN 214748329U
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Abstract
The utility model relates to a flowmeter field especially indicates a flowmeter comparison device easy and simple to handle, should compare the device including the backup pad, be located contrast flowmeter in the backup pad and be connected to contrast flowmeter's connection structure, connection structure includes body, carousel, clamp splice and elasticity cloth. The two ends of the pipe body are respectively connected with the measured flowmeter and the comparison flowmeter. The turntable is rotatably arranged on the tube body. A plurality of connecting axles of carousel are slidable respectively and imbed annular array in the spout of the clamp splice on the carousel, and on the outside of annular elasticity cloth was connected to the body pipe wall, the inboard border of elasticity cloth was connected to the clamp splice surface, in the mounting hole at surveyed flowmeter embedding carousel center, and in the clamp splice embedding was surveyed the annular clamping groove of the end of giving vent to anger of flowmeter in, the elasticity cloth contracts and overlaps on annular clamping groove. The structure that the clamping block clamps the air outlet end of the measured flowmeter is adopted, so that the measured flowmeter and the comparison flowmeter can be connected in series quickly, the measuring process is accelerated, and the measuring efficiency is improved.
Description
Technical Field
The utility model relates to a flowmeter field especially indicates a flowmeter comparison device easy and simple to handle.
Background
In industrial fields, instruments for measuring fluid flow are commonly called as flow meters or flow meters, are one of the most important instruments in industrial measurement, are widely applied to industries such as petroleum and natural gas, chemical engineering, water treatment, food, pharmacy, energy, metallurgy, papermaking, building materials and the like, when the data of the on-line flowmeter suddenly changes, it is difficult to judge whether the data is caused by a process reason or a fault of the flowmeter itself, in the past, the method of disassembling the flowmeter to be calibrated and installing a standby flowmeter on site is mostly adopted to determine the cause, which not only influences the production, but also greatly increases the workload of maintenance, and also removes the flowmeter with suddenly changed data, compares and measures the flowmeter with a standard flowmeter on a flowmeter comparison device on site, however, the conventional measured flowmeter and the conventional comparison flowmeter are too complicated and inconvenient to connect, so that the measurement efficiency is low.
Disclosure of Invention
To the not enough that above-mentioned background art provided, the utility model provides a device is compared to flowmeter easy and simple to handle.
The utility model adopts the following technical proposal that the device comprises a supporting plate, a contrast flowmeter covering the supporting plate and a connecting structure connected with the contrast flowmeter, wherein the connecting structure comprises,
one end of the pipe body is detachably connected with a measured flowmeter, and the other end of the pipe body is connected to an air inlet pipe of the contrast flowmeter;
the rotary disc is rotatably arranged on the pipe body, a mounting hole penetrates through the center of the rotary disc, the mounting hole is used for inserting the air outlet end of the measured flowmeter, and a plurality of connecting shafts are arranged on the surface of one end, close to the contrast flowmeter, of the rotary disc in an annular array manner;
the clamping blocks are provided with a plurality of blocks which are annularly arrayed on the surface of the rotary table, the clamping blocks are provided with chutes, the connecting shafts are respectively embedded in the chutes in a sliding manner, and after the air outlet end of the flow meter to be measured is embedded in the mounting hole, the clamping blocks are embedded in an annular clamping groove of the air outlet end of the flow meter to be measured;
the elastic cloth is of an annular structure, the outer side edge of the elastic cloth is connected to the pipe wall of the pipe body, the inner side edge of the elastic cloth is connected to the surface of the clamping block, and when the clamping block is embedded into the annular clamping groove at the air outlet end of the measured flowmeter, the elastic cloth is tightly sleeved on the annular clamping groove.
As a further improvement, the supporting plate is provided with an auxiliary flowmeter, the auxiliary flowmeter and the comparison flowmeter are both standard flowmeters, a branch pipe is arranged between an air inlet pipe of the auxiliary flowmeter and an air outlet pipe of the comparison flowmeter, and the branch pipe is provided with a stop valve.
As a further improvement, a stop valve is arranged on an air outlet pipe of the comparison flow meter, and the branch pipe is arranged between the stop valve and the comparison flow meter.
As a further improvement, springs are arranged between the pipe wall of the pipe body and the side wall of the clamping block.
From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages: the comparison device comprises a support plate, a comparison flowmeter positioned on the support plate and a connection structure connected to the comparison flowmeter, wherein the connection structure comprises a pipe body, a rotary table, a clamping block and elastic cloth. The two ends of the pipe body are respectively connected with the measured flowmeter and the comparison flowmeter. The turntable is rotatably arranged on the tube body. A plurality of connecting axles of carousel are slidable respectively and imbed annular array in the spout of the clamp splice on the carousel, and on the outside of annular elasticity cloth was connected to the body pipe wall, the inboard border of elasticity cloth was connected to the clamp splice surface, in the mounting hole at surveyed flowmeter embedding carousel center, and in the clamp splice embedding was surveyed the annular clamping groove of the end of giving vent to anger of flowmeter in, the elasticity cloth contracts and overlaps on annular clamping groove. The structure that the clamping block clamps the air outlet end of the measured flowmeter is adopted, so that the measured flowmeter and the comparison flowmeter can be connected in series quickly, the measuring process is accelerated, and the measuring efficiency is improved.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic cross-sectional view of the connection structure.
Fig. 3 is a front view of the connection structure.
Fig. 4 is a schematic perspective view of a connection structure of the turntable and the connection shaft.
Fig. 5 is a schematic view of a three-dimensional connection structure of the turntable, the connection shaft and the clamping block.
Fig. 6 is a front view of the clamping block after moving outward.
FIG. 7 is a schematic cross-sectional view of the clamp blocks after clamping the meter under test.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1 and 2, the flow meter comparison device with simple operation comprises a support plate 1, a comparison flow meter 2 covering the support plate 1, and a connection structure 3 connected to the comparison flow meter 2, wherein the connection structure 3 comprises a pipe body 31, a rotary table 32, a clamping block 34, and an elastic cloth 37.
As shown in fig. 1, 3, 4, 5 and 6, one end of the tube 31 is connected to the air inlet tube 21 of the comparison flowmeter 2, the other end of the tube 31 is detachably connected to the measured flowmeter 6, specifically, the rotary disc 32 is rotatably disposed on the tube 31 through a bearing, a mounting hole 38 penetrates through the center of the rotary disc 32, the mounting hole 38 is used for inserting the air outlet end of the measured flowmeter 6, a plurality of connecting shafts 33 are annularly arrayed on the surface of one end of the rotary disc 32 close to the comparison flowmeter 2, a plurality of clamping blocks 34 are annularly arrayed on the surface of the rotary disc 32, the clamping blocks 34 are all provided with sliding slots 35, the connecting shafts 33 are respectively slidably embedded in the sliding slots 35, when the air outlet end of the measured flowmeter 6 is embedded in the mounting hole 38, the clamping blocks 34 are embedded in the annular clamping slots 61 at the air outlet end of the measured flowmeter 6, and springs 36 are disposed between the tube wall of the tube 31 and the side walls of the clamping blocks 34, during operation, the rotating disc 32 is rotated first, so that the rotating disc 32 drives the connecting shaft 33 to rotate, and the connecting shaft 33 is embedded in the sliding groove 35 all the time during rotation, so that the clamping block 34 moves outwards along the surface of the rotating disc 32 under the combined action of the connecting shaft 33 and the sliding groove 35, and simultaneously, under the action of the traction force of the spring 36, the clamping block 34 synchronously and stably separates and expands outwards to compress the spring 36, then the air outlet end of the measured flowmeter 6 is inserted between the mounting hole 38 and the clamping block 34, and then the rotating disc 32 is released, at this time, under the action of the resilience force of the spring 36, the clamping block 34 moves and resets along the surface of the rotating disc 32 until the clamping block 34 is embedded in the annular clamping groove 61 at the air outlet end of the measured flowmeter 6, so as to quickly and fixedly connect the measured flowmeter 6 and the pipe body 31, thereby realizing the quick series connection of the measured flowmeter 6 and the comparison flowmeter 2, and improving the assembly efficiency of the measured flowmeter 6, and accelerating the detection process.
As shown in fig. 2 and 7, the elastic cloth 37 is of an annular structure, the elastic cloth 37 is a film made of latex, the outer edge of the elastic cloth 37 is connected to the pipe wall of the pipe body 31, the inner edge of the elastic cloth 37 is connected to the surface of the clamping block 34, when the clamping block 34 is embedded into the annular clamping groove 61 at the air outlet end of the measured flow meter 6, the elastic cloth 37 is shrunk and sleeved on the annular clamping groove 61, and the elastic cloth 37 made of latex has the advantages of water resistance, air impermeability and good elasticity, so that a seal can be formed between the measured flow meter 6 and the pipe body 31, the leakage problem between the measured flow meter 6 and the pipe body 31 is avoided, and the accuracy of the detection result is low.
As shown in fig. 1, an auxiliary flowmeter 5 is arranged on the support plate 1, the auxiliary flowmeter 5 and the comparison flowmeter 2 are standard flowmeters, a branch pipe 4 is arranged between an air inlet pipe 21 of the auxiliary flowmeter 5 and an air outlet pipe 22 of the comparison flowmeter 2, a stop valve 41 is arranged on the branch pipe 4, the stop valve 41 is in a closed state in daily life, in addition, a stop valve 41 is also arranged on the air outlet pipe 22 of the comparison flowmeter 2, the stop valve 41 is in an open state in daily life, and the branch pipe 4 is arranged between the stop valve 41 and the comparison flowmeter 2, when the flow data displayed on the measured flowmeter 6 and the comparison flowmeter 2 are inconsistent in the detection process, the stop valve 41 on the air outlet pipe 22 of the comparison flowmeter 2 can be closed, the stop valve 41 on the branch pipe 4 is opened, so that the measured flowmeter 6, the comparison flowmeter 2 and the auxiliary flowmeter 5 are connected in series, the auxiliary flowmeter 5 is used for further measuring whether the comparison flowmeter 2 or the measured flowmeter 6 has deviation and faults so as to eliminate the inconsistency of the displayed flow data caused by the fault of the comparison flowmeter 2 and make misjudgment on the measured flowmeter 6, concretely, if the auxiliary flowmeter 5 has the same data as the comparison flowmeter 2 and only has different data of the measured flowmeter 6, the measured flowmeter 6 can be basically judged to have the fault, if the auxiliary flowmeter 5 has the same data as the measured flowmeter 6 and only has different data of the comparison flowmeter 2, the comparison flowmeter 2 can be basically judged to have the fault, but the measured flowmeter 6 has no fault, and after all, the probability of the simultaneous fault of the comparison flowmeter 2 and the auxiliary flowmeter 5 is much smaller than the probability of the single fault of the comparison flowmeter 2, so the detection accuracy of the measured flowmeter 6 can be improved, the risk of misjudgment is reduced.
When the measured flow meter 6 needs to be detected, the rotating disc 32 is rotated first, so that the rotating disc 32 drives the connecting shaft 33 to rotate, and the connecting shaft 33 is embedded in the sliding groove 35 all the time when rotating, so that the clamping block 34 is attached to the surface of the rotating disc 32 to move outwards under the combined action of the connecting shaft 33 and the sliding groove 35, and simultaneously, under the action of the traction force of the spring 36, the clamping block 34 is synchronously and stably separated and outwards expanded to compress the spring 36, at the moment, the inner side edge of the elastic cloth 37 is outwards expanded under the driving of the clamping block 34, then, the air outlet end of the measured flow meter 6 is inserted into the mounting hole 38, the clamping block 34 and the elastic cloth 37, the rotating disc 32 is released, at the moment, under the action of the resilience force of the spring 36, the clamping block 34 can move and reset along the surface of the rotating disc 32 until the clamping block 34 is embedded into the annular clamping groove 61 of the air outlet end of the measured flow meter 6, so as to quickly and fixedly connect the measured flow meter 6 and the pipe body 31, thereby realizing the rapid series connection of the measured flowmeter 6 and the comparison flowmeter 2, simultaneously, the elastic cloth 37 is reset and contracted to be sleeved on the annular clamping groove 61 under the action of the clamping block 34, sealing is carried out between the measured flowmeter 6 and the tube body 31, the leakage problem between the measured flowmeter 6 and the tube body 31 is avoided, the accuracy of the detection result is low, then, an air pump is externally connected from the air inlet end of the measured flowmeter 6, the measured flowmeter 6 and the comparison flowmeter 2 which are connected in series are inflated by the air pump, at the moment, the flow data in the measured flowmeter 6 and the comparison flowmeter 2 can be respectively displayed, whether the measured flowmeter 6 has a fault can be determined by comparing whether the flow data is consistent, the structure is simple, the operation is simple and convenient, the rapid series connection of the measured flowmeter 6 and the comparison flowmeter 2 can be realized, the assembly efficiency of the measured flowmeter 6 is improved, and the determination process is accelerated, the measuring efficiency is improved.
The above-mentioned be the utility model discloses a concrete implementation way, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.
Claims (4)
1. A flow meter comparison device with simple and convenient operation is characterized by comprising a support plate, a comparison flow meter covering the support plate and a connecting structure connected to the comparison flow meter, wherein the connecting structure comprises,
one end of the pipe body is detachably connected with a measured flowmeter, and the other end of the pipe body is connected to an air inlet pipe of the contrast flowmeter;
the rotary disc is rotatably arranged on the pipe body, a mounting hole penetrates through the center of the rotary disc, the mounting hole is used for inserting the air outlet end of the measured flowmeter, and a plurality of connecting shafts are arranged on the surface of one end, close to the contrast flowmeter, of the rotary disc in an annular array manner;
the clamping blocks are provided with a plurality of blocks which are annularly arrayed on the surface of the rotary table, the clamping blocks are provided with chutes, the connecting shafts are respectively embedded in the chutes in a sliding manner, and after the air outlet end of the flow meter to be measured is embedded in the mounting hole, the clamping blocks are embedded in an annular clamping groove of the air outlet end of the flow meter to be measured;
the elastic cloth is of an annular structure, the outer side edge of the elastic cloth is connected to the pipe wall of the pipe body, the inner side edge of the elastic cloth is connected to the surface of the clamping block, and when the clamping block is embedded into the annular clamping groove at the air outlet end of the measured flowmeter, the elastic cloth is tightly sleeved on the annular clamping groove.
2. An easy to operate flow meter alignment device as defined in claim 1 wherein: be equipped with the secondary flowmeter in the backup pad, this secondary flowmeter and contrast flowmeter are standard flowmeter, the intake pipe of secondary flowmeter with be equipped with the branch pipe between the outlet duct of contrast flowmeter, be equipped with the stop valve on this branch pipe.
3. An easy to operate flow meter alignment device as defined in claim 2 wherein: a stop valve is arranged on an air outlet pipe of the contrast flowmeter, and the branch pipe is arranged between the stop valve and the contrast flowmeter.
4. An easy to operate flow meter alignment device as defined in claim 1 wherein: and springs are arranged between the pipe wall of the pipe body and the side wall of the clamping block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121183898.2U CN214748329U (en) | 2021-05-31 | 2021-05-31 | Flowmeter comparison device easy and simple to handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121183898.2U CN214748329U (en) | 2021-05-31 | 2021-05-31 | Flowmeter comparison device easy and simple to handle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214748329U true CN214748329U (en) | 2021-11-16 |
Family
ID=78626215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121183898.2U Active CN214748329U (en) | 2021-05-31 | 2021-05-31 | Flowmeter comparison device easy and simple to handle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214748329U (en) |
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2021
- 2021-05-31 CN CN202121183898.2U patent/CN214748329U/en active Active
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