CN215726176U - Water meter rotating speed detection device - Google Patents
Water meter rotating speed detection device Download PDFInfo
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- CN215726176U CN215726176U CN202122131567.0U CN202122131567U CN215726176U CN 215726176 U CN215726176 U CN 215726176U CN 202122131567 U CN202122131567 U CN 202122131567U CN 215726176 U CN215726176 U CN 215726176U
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- water meter
- device shell
- shaft
- rotating speed
- connecting shaft
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Abstract
The utility model discloses a water meter rotating speed detection device, which comprises a device shell used for being sleeved above a water meter dial, wherein a centering lens is arranged below the device shell, a photoelectric rotating speed sensor is arranged above the inside of the device shell, a middle shaft is arranged at the center of the bottom of the photoelectric rotating speed sensor, and a rotating speed display dial electrically connected with the photoelectric rotating speed sensor is arranged at the top of the device shell; the connecting shaft rod is arranged below the inner part of the device shell, the bottom of the connecting shaft rod is connected with the water meter rotating shaft, and the top of the connecting shaft rod is connected with the middle shaft.
Description
Technical Field
The utility model belongs to the technical field of water meter rotating speed detection, and particularly relates to a water meter rotating speed detection device.
Background
The water meter is a meter for measuring water flow, mostly is the accumulated flow measurement of water, and is generally divided into a positive displacement water meter and a speed water meter;
the water meter rotating speed detection device is used for detecting the rotating speed of the water meter;
however, the existing water meter rotating speed detection device is simple in structure, not convenient enough to detect when in use, and when the rotating speed is detected, the water meter and the detection device are easy to assemble and unstable, so that the result of detection is easy to cause errors, and the requirements of people are difficult to meet.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a water meter rotating speed detection device.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a water meter rotating speed detection device comprises a device shell used for being sleeved above a water meter dial, wherein a centering lens is arranged below the device shell, a photoelectric rotating speed sensor is arranged above the inside of the device shell, a middle shaft is arranged at the center of the bottom of the photoelectric rotating speed sensor, and a rotating speed display dial electrically connected with the photoelectric rotating speed sensor is arranged at the top of the device shell;
a connecting shaft rod is arranged below the inner part of the device shell, the bottom of the connecting shaft rod is connected with a water meter rotating shaft, and the top of the connecting shaft rod is connected with the middle shaft.
Preferably, the top of the connecting shaft rod is provided with an inserting shaft, the inserting shaft is of a regular polygonal prism structure, the bottom of the middle shaft is provided with a shaft hole matched with the inserting shaft, and the inserting shaft is inserted in the shaft hole.
Preferably, a combined sleeve is arranged at the bottom of the connecting shaft rod, a combined trepanning is formed in the bottom of the combined sleeve, the cross section of the combined trepanning is of a polygonal structure matched with the rotating shaft of the water meter, and the combined trepanning is sleeved on the rotating shaft of the water meter.
Preferably, a power line is arranged on one side of the device shell.
Preferably, the inside below of device shell still is provided with and presss from both sides tight piece, the one side of pressing from both sides tight piece is provided with the threaded rod, the one end of threaded rod with press from both sides tight piece and pass through the bearing and rotate and be connected, the other end of threaded rod extends to the outside of device shell, fixed mounting has the nut in the outside of device shell still, the threaded rod passes the nut.
Preferably, one end of the threaded rod extending to the device housing is provided with a rotating cap.
Preferably, the clamping pieces are provided in two in total, and the two clamping pieces are symmetrical to each other about a vertical center line of the device case.
Preferably, an inner liner is laid on the inner wall of the clamping piece, and the inner liner has elasticity.
In the utility model, the connecting shaft rod connects the water meter rotating shaft and the middle shaft of the photoelectric rotating speed sensor, so that the connecting shaft rod can be firstly sleeved on the water meter rotating shaft and then the device shell is installed when the connecting shaft rod is installed, the phenomenon that the connecting shaft rod is accurately butted with the water meter rotating shaft is not easy to occur, and the detection is convenient and rapid;
according to the utility model, the clamping piece is further arranged below the inner part of the device shell, the threaded rod is arranged on one side of the clamping piece, one end of the threaded rod is rotatably connected with the clamping piece through the bearing, the other end of the threaded rod extends to the outer part of the device shell, the nut is fixedly arranged on the outer side of the device shell, and the threaded rod penetrates through the nut.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic view of the connecting shaft of the present invention;
FIG. 4 is a schematic view of the structure of the grip tab of the present invention.
Reference numerals: 1. rotating the cap; 2. a nut; 3. centering the lens; 4. a middle shaft; 5. a device housing; 6. a rotating speed display dial plate; 7. a power line; 8. a connecting shaft rod; 9. a threaded rod; 10. a photoelectric rotation speed sensor; 11. a clamping piece; 12. inserting a shaft; 13. a combination sleeve; 14. combining trepanning; 15. and an inner liner.
Detailed Description
The following further describes a specific embodiment of the water meter rotation speed detection device according to the present invention with reference to fig. 1 to 4. The rotation speed detecting device of a water meter according to the present invention is not limited to the description of the following embodiments.
Example 1:
the embodiment provides a specific structure of a water meter rotating speed detection device, which comprises a device shell 5 used for being sleeved above a water meter dial, wherein a centering lens 3 is arranged below the device shell 5, a photoelectric rotating speed sensor 10 is arranged above the inside of the device shell 5, a middle shaft 4 is arranged at the center of the bottom of the photoelectric rotating speed sensor 10, and a rotating speed display dial 6 electrically connected with the photoelectric rotating speed sensor 10 is arranged at the top of the device shell 5, as shown in fig. 1-3;
the inside below of device shell 5 is provided with even axostylus axostyle 8, and the bottom of even axostylus axostyle 8 is connected with the water gauge rotation axis, and the top of even axostylus axostyle 8 is connected with axis 4.
By adopting the technical scheme:
when the device is used, the bottom of the connecting shaft rod 8 is connected with a rotating shaft of the water meter, the shell 5 of the device is sleeved above a dial plate of the water meter, centering is carried out during sleeving, the top of the connecting shaft rod 8 is connected with the middle shaft 4, when the dial plate of the water meter rotates, the connecting shaft rod 8 drives the middle shaft 4 and the rear shaft 4 of the photoelectric rotating speed sensor 10 to rotate, the photoelectric rotating speed sensor 10 detects the rotating speed of the water meter, and the detected rotating speed is displayed on the rotating speed display dial plate 6, so that the operation is convenient and rapid;
the device is connected between the axis of water meter rotation axis and photoelectric revolution speed transducer 10 through connecting shaft lever 8, when installing like this, can overlap even shaft lever 8 on the water meter rotation axis earlier, installation device shell 5 again, the difficult phenomenon that even shaft lever 8 and water meter rotation axis butt joint are accurate that appears like this makes detection convenient and fast.
Example 2:
the embodiment provides a specific structure of a water meter rotation speed detection device, which comprises a device shell 5 used for being sleeved above a water meter dial, wherein a photoelectric rotation speed sensor 10 is arranged above the inside of the device shell 5, a middle shaft 4 is arranged at the center of the bottom of the photoelectric rotation speed sensor 10, and a rotation speed display dial 6 electrically connected with the photoelectric rotation speed sensor 10 is arranged at the top of the device shell 5, as shown in fig. 1-3;
the inside below of device shell 5 is provided with even axostylus axostyle 8, and the bottom of even axostylus axostyle 8 is connected with the water gauge rotation axis, and the top of even axostylus axostyle 8 is connected with axis 4.
The top of the connecting shaft rod 8 is provided with an inserting shaft 12, the inserting shaft 12 adopts a regular polygon prism structure, the bottom of the middle shaft 4 is provided with a shaft hole matched with the inserting shaft 12, and the inserting shaft 12 is inserted in the shaft hole.
The bottom of the connecting shaft rod 8 is provided with a combined sleeve 13, the bottom of the combined sleeve 13 is provided with a combined trepanning 14, the cross section of the combined trepanning 14 adopts a polygonal structure matched with the rotating shaft of the water meter, and the combined trepanning 14 is sleeved on the rotating shaft of the water meter.
A power cord 7 is provided at one side of the device housing 5.
By adopting the technical scheme:
because the top of the connecting shaft rod 8 is provided with the inserting shaft 12, the inserting shaft 12 adopts a regular polygon prism structure, the bottom of the middle shaft 4 is provided with a shaft hole matched with the inserting shaft 12, the inserting shaft 12 is inserted in the shaft hole, the bottom of the connecting shaft rod 8 is provided with the combined sleeve 13, the bottom of the combined sleeve 13 is provided with the combined trepanning 14, the cross section of the combined trepanning 14 adopts a polygon structure matched with the rotating shaft of the water meter, and the combined trepanning 14 is sleeved on the rotating shaft of the water meter, thereby ensuring the linkage stability of the connecting shaft rod 8, the rotating shaft of the water meter and the middle shaft 4.
Example 3:
in this embodiment, a specific structure of a water meter rotation speed detection device is provided, as shown in fig. 1 to 3, a clamping piece 11 is further disposed below the inside of a device housing 5, a threaded rod 9 is disposed on one side of the clamping piece 11, one end of the threaded rod 9 is rotatably connected with the clamping piece 11 through a bearing, the other end of the threaded rod 9 extends to the outside of the device housing 5, a nut 2 is further fixedly mounted on the outside of the device housing 5, and the threaded rod 9 penetrates through the nut 2.
The threaded rod 9 is provided with a rotary cap 1 at the end extending to the device housing 5.
The two clamping pieces 11 are provided in total, and the two clamping pieces 11 are symmetrical to each other about a vertical center line of the device case 5.
An inner liner 15 is laid on the inner wall of the clamping piece 11, the inner liner 15 has elasticity, and the inner liner 15 can ensure that the clamping piece 11 is not easy to damage a water meter dial when being clamped.
By adopting the technical scheme:
when rotating rotatory cap 1, threaded rod 9 rotates, and at this moment under the mating reaction of nut 2, threaded rod 9 promotes to press from both sides tight piece 11 and move on the horizontal direction to reach the effect of pressing from both sides tight water gauge dial plate, guaranteed the device when measuring the speed stable, thereby guaranteed the accuracy of water gauge rotational speed testing result.
The foregoing is a more detailed description of the utility model in connection with specific preferred embodiments and it is not intended that the utility model be limited to these specific details. For those skilled in the art to which the utility model pertains, several simple deductions or substitutions can be made without departing from the spirit of the utility model, and all shall be considered as belonging to the protection scope of the utility model.
Claims (8)
1. The utility model provides a water gauge rotational speed detection device, is including being used for cup jointing water gauge dial plate top device shell (5), centering lens (3), its characterized in that have been seted up to device shell (5) below: a photoelectric rotating speed sensor (10) is arranged above the inner part of the device shell (5), a middle shaft (4) is arranged at the center of the bottom of the photoelectric rotating speed sensor (10), and a rotating speed display dial plate (6) electrically connected with the photoelectric rotating speed sensor (10) is arranged at the top of the device shell (5);
a connecting shaft rod (8) is arranged below the inner part of the device shell (5), the bottom of the connecting shaft rod (8) is connected with a water meter rotating shaft, and the top of the connecting shaft rod (8) is connected with the middle shaft (4).
2. A water meter speed sensing device as defined in claim 1, wherein: the top of the connecting shaft rod (8) is provided with an inserting shaft (12), the inserting shaft (12) adopts a regular polygon prism structure, the bottom of the middle shaft (4) is provided with a shaft hole matched with the inserting shaft (12), and the inserting shaft (12) is inserted in the shaft hole.
3. A water meter speed sensing device as defined in claim 1, wherein: the water meter is characterized in that a combined sleeve (13) is arranged at the bottom of the connecting shaft rod (8), a combined trepanning (14) is formed in the bottom of the combined sleeve (13), the cross section of the combined trepanning (14) is of a polygonal structure matched with a water meter rotating shaft, and the combined trepanning (14) is sleeved on the water meter rotating shaft.
4. A water meter speed sensing device as defined in claim 1, wherein: one side of the device shell (5) is provided with a power line (7).
5. A water meter speed sensing device as defined in claim 1, wherein: the device shell (5) inside below still is provided with and presss from both sides tight piece (11), one side of pressing from both sides tight piece (11) is provided with threaded rod (9), the one end of threaded rod (9) with press from both sides tight piece (11) and rotate through the bearing and connect, the other end of threaded rod (9) extends to the outside of device shell (5), the outside of device shell (5) is fixed mounting still has nut (2), threaded rod (9) pass nut (2).
6. The apparatus for detecting the rotation speed of a water meter as claimed in claim 5, wherein: one end of the threaded rod (9) extending to the device shell (5) is provided with a rotating cap (1).
7. The apparatus for detecting the rotation speed of a water meter as claimed in claim 5, wherein: the clamping pieces (11) are arranged in two, and the two clamping pieces (11) are symmetrical to each other about a vertical center line of the device shell (5).
8. The apparatus for detecting the rotation speed of a water meter as claimed in claim 5, wherein: an inner liner (15) is laid on the inner wall of the clamping piece (11), and the inner liner (15) has elasticity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122131567.0U CN215726176U (en) | 2021-09-06 | 2021-09-06 | Water meter rotating speed detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122131567.0U CN215726176U (en) | 2021-09-06 | 2021-09-06 | Water meter rotating speed detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215726176U true CN215726176U (en) | 2022-02-01 |
Family
ID=80014900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122131567.0U Active CN215726176U (en) | 2021-09-06 | 2021-09-06 | Water meter rotating speed detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215726176U (en) |
-
2021
- 2021-09-06 CN CN202122131567.0U patent/CN215726176U/en active Active
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