CN215005457U - Portable propeller type current meter for water flow velocity measurement - Google Patents
Portable propeller type current meter for water flow velocity measurement Download PDFInfo
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- CN215005457U CN215005457U CN202120444172.3U CN202120444172U CN215005457U CN 215005457 U CN215005457 U CN 215005457U CN 202120444172 U CN202120444172 U CN 202120444172U CN 215005457 U CN215005457 U CN 215005457U
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- current meter
- pipe
- external pipe
- convex
- type current
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 238000005259 measurement Methods 0.000 title description 3
- 239000004033 plastic Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims 3
- 229910052802 copper Inorganic materials 0.000 claims 2
- 239000010949 copper Substances 0.000 claims 2
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a portable propeller type current meter for measuring speed of water flow, which comprises a current meter, wherein the upper end of the current meter is provided with a convex opening, an external pipe is connected in the convex opening through a thread, the lower end of the external pipe is provided with a thread convex head, the thread convex head is connected in the convex opening, the inner side surface of the upper end of the external pipe is provided with an internal thread, the outer surface of the external pipe is sleeved with a tray, the outer end surface of the tray is fixedly connected with an annular rubber air bag, the upper end of the tray is provided with a convex pipe head, the inner side surface of the convex pipe head is sleeved on the outer surface of the external pipe, one side of the convex pipe head is provided with a thread hole connected with a thread jackscrew, the thread jackscrew tightly props up the external pipe and fixes the external pipe, the annular rubber air bag is arranged to carry out buoyancy support through the arrangement of an external pipe structure, the positioning can be carried out under water, and the position of the annular rubber air bag can be adjusted, the position of the tachymeter under water can be adjusted.
Description
Technical Field
The utility model relates to a revolve thick liquid formula current meter field, more specifically say, relate to a rivers are tested speed and are used portable and revolve thick liquid formula current meter.
Background
In a hydraulic engineering physical model test or a water tank test, a propeller current meter is generally used for measuring single-point flow velocity;
along with the continuous development of science and technology, the propeller type current meter is gradually transited to wireless signal transmission by wired signal transmission for measurement becomes comparatively convenient, and small portable, but the location of being not convenient for under water of the propeller type current meter among the prior art, and the water velocity of different positions is different, is not convenient for adjust the test.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims to provide a rivers are tested speed and are used portable propeller type current meter is through setting up external tube structure to set up annular rubber air bag and carry out buoyancy and support, can fix a position under water, and adjustable annular rubber air bag's position, adjustable current meter is in the position under water.
In order to solve the above problems, the utility model adopts the following technical proposal.
A portable propeller type current meter for measuring the speed of water flow comprises a current meter, wherein the upper end of the current meter is provided with a convex opening, an external pipe is connected in the convex opening through a thread, a thread convex head is arranged at the lower end of the external pipe, the thread raised head is connected in the raised port, the inner side surface of the upper end of the external connecting pipe is provided with an internal thread, the outer surface of the external connecting pipe is sleeved with a tray, the outer end surface of the tray is fixedly connected with an annular rubber air bag, the upper end of the tray is provided with a convex tube head, the inner side surface of the convex tube head is sleeved on the outer surface of the external connecting tube, one side of the convex tube head is provided with a threaded hole which is connected with a threaded jackscrew, the threaded jackscrew tightly props against and fixes an external connecting tube, and by arranging the external connecting tube structure, and the annular rubber air bag is arranged for buoyancy support, so that the underwater flow meter can be positioned underwater, and the position of the annular rubber air bag and the position of the flow meter under water can be adjusted.
Furthermore, the diameter of the section of the annular rubber air bag is not less than ten centimeters, the annular rubber air bag has a certain volume, and the buoyancy is large.
Furthermore, the outer surface of the threaded raised head of the external connecting pipe is sleeved with a rubber pad, so that the tightness is increased when the external connecting pipe is installed and screwed tightly.
Furthermore, the outer surface of the external connecting pipe is provided with scale strips, so that the underwater position of the current meter can be conveniently adjusted.
Furthermore, the external connecting pipe is made of a PVC plastic pipe, and is corrosion-resistant and light in weight.
Compared with the prior art, the utility model has the advantages of:
(1) through setting up external tube structure to set up annular rubber gasbag and carry out buoyancy and support, can fix a position under water, and adjustable annular rubber gasbag's position, adjustable current meter is in the position under water.
(2) The diameter of the section of the annular rubber air bag is not less than ten centimeters, the annular rubber air bag has a certain volume, and the buoyancy is large.
(3) The outer surface of the threaded raised head of the external connecting pipe is sleeved with a rubber pad, so that the tightness is increased when the external connecting pipe is installed and screwed tightly.
(4) The outer surface of the external pipe is provided with scale bars, so that the underwater position of the current meter can be conveniently adjusted.
(5) The external connecting pipe is made of a PVC plastic pipe, and is corrosion-resistant and light.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a top view of the annular rubber air bag and the tray of the present invention;
fig. 3 is a schematic view of the external connection pipe of the present invention.
The reference numbers in the figures illustrate:
the flow meter comprises a flow meter 1, a convex opening 2, an external connecting pipe 3, a threaded convex head 30, a tray 4, an annular rubber air bag 5, a convex pipe head 40, an internal thread 31, a rubber pad 32 and a scale bar 300.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, a portable propeller type current meter for measuring velocity of water flow comprises a current meter 1, wherein a convex opening 2 is arranged at the upper end of the current meter 1, an external connection pipe 3 is connected in the convex opening 2 through a thread, a thread raised head 30 is arranged at the lower end of the external connection pipe 3, the thread raised head 30 is connected in the convex opening 2, an internal thread 31 is arranged on the inner side surface of the upper end of the external connection pipe 3, a tray 4 is sleeved on the outer surface of the external connection pipe 3, an annular rubber air bag 5 is fixedly connected to the outer end surface of the tray 4, a convex pipe head 40 is arranged at the upper end of the tray 4, the inner side surface of the convex pipe head 40 is sleeved on the outer surface of the external connection pipe 3, a threaded hole is formed in one side of the convex pipe head 40, a threaded top thread 41 is connected to the threaded hole, and the threaded top thread 41 tightly supports and fixes the external connection pipe 3.
Referring to fig. 1-3, the diameter of the cross section of the annular rubber air bag 5 is not less than ten centimeters, the annular rubber air bag has a certain volume and large buoyancy, a rubber pad 32 is sleeved on the outer surface of the threaded boss 30 of the external connecting pipe 3, tightness is increased when the external connecting pipe is installed and screwed tightly, a scale bar 300 is arranged on the outer surface of the external connecting pipe 3, the underwater position of the tachometer 1 can be conveniently adjusted, and the external connecting pipe 3 is made of a PVC plastic pipe and is light in corrosion resistance.
When the flow meter is used, the upper end of the flow meter 1 is provided with the convex opening 2, the inner side surface of the upper end of the convex opening 2 is connected with the external connecting pipe 3 through threads, the lower end of the external connecting pipe 3 is provided with the thread raised head 30, the thread raised head 30 is connected into the convex opening 2, the inner side surface of the upper end of the external connecting pipe 3 is provided with the internal thread 31, the external connecting pipe 3 is convenient to fix the flow meter 1, the external connecting pipe 3 can be added for connection, the outer surface of the external connecting pipe 3 is sleeved with the tray 4, the outer end surface of the tray 4 is fixedly connected with the annular rubber air bag 5, the upper end of the tray 4 is provided with the convex pipe head 40, the inner side surface of the convex pipe head 40 is sleeved on the outer surface of the external connecting pipe 3, one side of the convex pipe head 40 is provided with the threaded hole and connected with the threaded jackscrew 41, when the flow meter 1 is used, the upper end of the flow meter is supported by the external connecting pipe 3, and floats on the water surface through the annular rubber air bag 5 for supporting, and the supporting force is improved;
the flow meter 1 can be conveniently positioned, the thread jackscrew 41 can be loosened, the position of the annular rubber air bag 5 can be adjusted, the underwater position of the flow meter 1 can be adjusted, and the flow rates of water at different positions can be conveniently measured;
the outer surface of its outer nozzle 3 is provided with scale bar 300, is convenient for adjust the underwater position of tachymeter 1, is convenient for observe the regulation, and it is convenient to use.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (5)
1. The utility model provides a rivers are tested speed and are used portable propeller type current meter, includes current meter (1), its characterized in that: the upper end of velocity of flow appearance (1) sets up tang (2), there is external pipe (3) through threaded connection in tang (2), external pipe (3) lower extreme is provided with screw thread plush copper (30), screw thread plush copper (30) are connected in tang (2), the upper end medial surface of external pipe (3) is provided with internal thread (31), tray (4) have been cup jointed to the surface of external pipe (3), the outer end fixed surface of tray (4) is connected with annular rubber gasbag (5), the upper end of tray (4) is provided with protruding tube head (40), protruding tube head (40) department medial surface cup joints the surface of external pipe (3), the screw hole is seted up to one side of protruding tube head (40) and is connected with screw thread jackscrew (41), screw thread jackscrew (41) top is tight fixed external pipe (3).
2. The portable propeller-type current meter for measuring water flow speed of claim 1, wherein: the diameter of the section of the annular rubber air bag (5) is not less than ten centimeters.
3. The portable propeller-type current meter for measuring water flow speed of claim 1, wherein: the outer surface of the threaded raised head (30) of the external connecting pipe (3) is sleeved with a rubber pad (32).
4. The portable propeller-type current meter for measuring water flow speed of claim 1, wherein: the outer surface of the outer connecting pipe (3) is provided with a scale bar (300).
5. The portable propeller-type current meter for measuring water flow speed of claim 1, wherein: the outer connecting pipe (3) is made of a PVC plastic pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120444172.3U CN215005457U (en) | 2021-03-01 | 2021-03-01 | Portable propeller type current meter for water flow velocity measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120444172.3U CN215005457U (en) | 2021-03-01 | 2021-03-01 | Portable propeller type current meter for water flow velocity measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215005457U true CN215005457U (en) | 2021-12-03 |
Family
ID=79157427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120444172.3U Expired - Fee Related CN215005457U (en) | 2021-03-01 | 2021-03-01 | Portable propeller type current meter for water flow velocity measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215005457U (en) |
-
2021
- 2021-03-01 CN CN202120444172.3U patent/CN215005457U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211203 |