CN208765771U - A kind of Three-rotor flow meter - Google Patents
A kind of Three-rotor flow meter Download PDFInfo
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- CN208765771U CN208765771U CN201821812401.7U CN201821812401U CN208765771U CN 208765771 U CN208765771 U CN 208765771U CN 201821812401 U CN201821812401 U CN 201821812401U CN 208765771 U CN208765771 U CN 208765771U
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- measurement chamber
- rotor
- flow meter
- drainage conduit
- flowmeter bodies
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Abstract
The utility model belongs to field of flow meters and discloses a kind of Three-rotor flow meter；Including flowmeter bodies, it is equipped with the first measurement chamber, the second measurement chamber and third measurement chamber in the flowmeter bodies, main rotor is equipped in first measurement chamber, is equipped with displacement rotor in second measurement chamber and third measurement chamber；Second measurement chamber is connected with inlet tube far from the side of third measurement chamber；The part that the inlet tube is located on the outside of flowmeter bodies is connected with the drainage conduit being arranged straight down, and the drainage conduit is equipped with ball valve, and the lower end of the drainage conduit is connected with Material collecting box for harvesting；Position of the inlet tube between drainage conduit and flowmeter bodies is equipped with filter screen；The third measurement chamber is connected with drain pipe far from the side of the second measurement chamber；The Three-rotor flow meter structure of the utility model is simple, working automation degree height, long service life, job stability and continuity are good, is with a wide range of applications and apparent practical value.
Description
Technical field
The utility model relates to flowmeter technology fields, and in particular to a kind of Three-rotor flow meter.
Background technique
Spinner flowmeter is a kind of positive displacement instrument, it is for continuously or discontinuously measuring the liquid flow flowed through in pipeline
Amount.Spinner flowmeter mainly includes shell, metering cavity combining body, precision adjuster, counter etc..When fluid to be measured flows through metering
When chamber, the in-out end of flowmeter forms pressure difference, drive rotor rotation, while passing to counter by gear train assembly, directly
Connect the total amount of liquid of instruction flow meter.
It is directly attached with measurement pipeline when existing Three-rotor flow meter works, and pipeline is in long-play process
In be inevitably generated many impurity, since Three-rotor flow meter is a kind of very high instrument of precision, if entering rotor
In liquid in then inevitably the operation of product is adversely affected containing many impurity.In consideration of it, how to provide
It is a kind of with isolation impurity, can reduce pipeline lead to impurity be those skilled in the art's needs to the Three-rotor flow meter of work influence
The technical problem of solution.
Utility model content
The utility model is reduced the problem of precision for Three-rotor flow meter in the prior art by impurity effect in pipeline,
And provide it is a kind of with isolation impurity, pipeline can be reduced lead to impurity to the Three-rotor flow meter of work influence.
The utility model using following technical scheme in order to solve the above technical problems, realized:
A kind of Three-rotor flow meter, including flowmeter bodies are designed, it is cylindrical body that shape is equipped in the flowmeter bodies
The first measurement chamber, the second measurement chamber and the third measurement chamber of structure, first measurement chamber, the second measurement chamber and third metering
The side perforation of chamber links together；And main rotor, second measurement chamber and third meter are equipped in first measurement chamber
It measures and intracavitary is equipped with displacement rotor；The main rotor is cylindrical structure, and is set on its side end face there are four symmetrical arc
Sealing surface, the displacement rotor are made of semicircle sealing surface and sealing scraper；The arc sealing surface of the main rotor with set
The semicircle sealing surface of exchanging rotor is in the sealing scraper and the second measurement chamber or sealing scraper and third metering without friction sealed
The inner wall of chamber is in without friction sealed；Second measurement chamber is connected with inlet tube far from the side of third measurement chamber；The feed liquor
The part that pipe is located on the outside of flowmeter bodies is connected with the drainage conduit being arranged straight down, and the drainage conduit is equipped with ball valve,
And the lower end of the drainage conduit is connected with Material collecting box for harvesting；The inlet tube is set on the position between drainage conduit and flowmeter bodies
There is filter screen；The third measurement chamber is connected with drain pipe far from the side of the second measurement chamber；The main rotor and drive rod
Connection, the drive rod is vertically arranged, and the other end of the drive rod is connected to counter, the counter and display
The upper end of counter is arranged in gauge outfit connection, the display gauge head, and the counter is fixed in flowmeter by support rod
On ontology.
Preferably, the one end of one end and drain pipe far from third measurement chamber of the inlet tube far from the second measurement chamber is equal
Equipped with connecting flange.
Preferably, the support rod is connect by bolt with flowmeter bodies.
Preferably, the rotating ratio of the main rotor and displacement rotor is 1:4.
Preferably, it is described without friction sealed gap be 0.02-0.06mm.
Preferably, the drainage conduit is connected through a screw thread with Material collecting box for harvesting.
After adopting the above structure, beneficial effect is the utility model:
(1) the utility model can largely filter out the particulate contaminant in circulating liquid, reduce particulate contaminant to flow
The adverse effect of meter effectively improves the service life of flowmeter and the stability of work, and it is poor to be widely used in cleanliness
In liquid environment；
(2) particulate contaminant that the utility model generates in inlet tube is automatically collected in Material collecting box for harvesting, passes through closing
Ball valve can conveniently and efficiently remove Material collecting box for harvesting, be poured off the impurity accumulated in Material collecting box for harvesting, and will not influence whole device
Normal operation, effectively increase device work continuity；
(3) the Three-rotor flow meter structure of the utility model is simple, working automation degree height, long service life, work
Stability and continuity are good, are with a wide range of applications and apparent practical value.
Detailed description of the invention
The utility model is described in further detail for embodiment in reference to the accompanying drawing, but does not constitute to this reality
With novel any restrictions.
Fig. 1 is the structural schematic diagram of the utility model.
In figure: flowmeter bodies 1, the first measurement chamber 2, the second measurement chamber 3, third measurement chamber 4, main rotor 5, displacement rotor
6, arc sealing surface 7, semicircle sealing surface 8, sealing scraper 9, inlet tube 10, drainage conduit 11, ball valve 12, Material collecting box for harvesting 13, filtering
Net 14, drain pipe 15, drive rod 16, counter 17, display gauge head 18, support rod 19, connecting flange 20.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Refering to shown in attached drawing 1, a kind of Three-rotor flow meter of the utility model, including flowmeter bodies 1, the flowmeter
The interior shape that is equipped with of ontology 1 is the first measurement chamber 2, the second measurement chamber 3 and the third measurement chamber 4 of cylindrical structure, and described first
The side perforation of measurement chamber 2, the second measurement chamber 3 and third measurement chamber 4 links together；And it is set in first measurement chamber 2
There is main rotor 5, is equipped with displacement rotor 6 in second measurement chamber 3 and third measurement chamber 4；The main rotor 5 is cylindrical body
Structure, and set on its side end face there are four symmetrical arc sealing surface 7, the displacement rotor 6 is by semicircle sealing surface 8 and sealing
Scraper plate 9 is formed, and the rotating ratio of the main rotor 5 and displacement rotor 6 is 1:4；The arc sealing surface 7 of the main rotor 5 with
The semicircle sealing surface 8 of displacement rotor 6 be in without friction sealed, the sealing scraper 9 and the second measurement chamber 3 or sealing scraper 9 and
The inner wall of third measurement chamber 4 is in without friction sealed, and described without friction sealed gap is 0.04mm；Second measurement chamber 3 is remote
Side from third measurement chamber 4 is connected with inlet tube 10；The part that the inlet tube 10 is located at 1 outside of flowmeter bodies is connected with
The drainage conduit 11 being arranged straight down, the drainage conduit 11 is equipped with ball valve 12, and the lower end of the drainage conduit 11 is bolted with
Material collecting box for harvesting 13；Position of the inlet tube 10 between drainage conduit 11 and flowmeter bodies 1 is equipped with filter screen 14；Described
Three measurement chambers 4 are connected with drain pipe 15 far from the side of the second measurement chamber 3.
The main rotor 5 is connect with drive rod 16, and the drive rod 16 is vertically arranged, and the drive rod 16 is another
One end is connected to counter 17, and the counter 17 is connect with display gauge head 18, and the setting of display gauge head 18 is counting
The upper end of device 17, the counter 17 are fixed in flowmeter bodies 1 by support rod 19, and the support rod 19 passes through spiral shell
Bolt is connect with flowmeter bodies 1；The inlet tube 10 one end and drain pipe 15 far from the second measurement chamber 3 are measured far from third
One end of chamber 4 is equipped with connecting flange 20.
Working principle: when utility model works, the side of inlet tube 10 is provided with filter screen 14, will be flowed into pipeline
Liquid impurity into flowmeter bodies 1 filters out, and can effectively reduce the influence that impurities in liquid works to Three-rotor flow meter；Together
When the lower end of inlet tube 10 is provided with drainage conduit 11, the particulate contaminant filtered through filter screen 14 flows under the effect of gravity immediately
Enter into drainage conduit 11, impurity is avoided to collect in blocking inlet tube 10 in inlet tube 10；And it is flowed into the impurity in drainage conduit 11
It can be collected in Material collecting box for harvesting 13 by opening ball valve 12；Ball valve 12 can be closed after collecting completely in Material collecting box for harvesting 13,
Material collecting box for harvesting 13 is easily removed and is poured off internal particulate contaminant；And it is closed when removing Material collecting box for harvesting 13 since ball valve 12 is in
Therefore closed state will not influence the normal use of Three-rotor flow meter.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of Three-rotor flow meter, including flowmeter bodies (1), which is characterized in that be equipped in the flowmeter bodies (1) outer
Shape is the first measurement chamber (2), the second measurement chamber (3) and the third measurement chamber (4) of cylindrical structure, first measurement chamber
(2), the side of the second measurement chamber (3) and third measurement chamber (4) perforation links together；And in first measurement chamber (2)
Equipped with main rotor (5), displacement rotor (6) are equipped in second measurement chamber (3) and third measurement chamber (4)；The master turns
Sub (5) are cylindrical structure, and set that there are four symmetrical arc sealing surface (7) on its side end face, and the displacement rotor (6) is by half
Circular seal face (8) and sealing scraper (9) are formed；The arc sealing surface (7) of the main rotor (5) and displacement rotor (6)
Semicircle sealing surface (8) is in without friction sealed, the sealing scraper (9) and the second measurement chamber (3) or sealing scraper (9) and third
The inner wall of measurement chamber (4) is in without friction sealed；Second measurement chamber (3) far from third measurement chamber (4) side be connected with into
Liquid pipe (10)；The part that the inlet tube (10) is located on the outside of flowmeter bodies (1) is connected with the drainage conduit being arranged straight down
(11), the drainage conduit (11) is equipped with ball valve (12), and the lower end of the drainage conduit (11) is connected with Material collecting box for harvesting (13)；Institute
It states the position that inlet tube (10) is located between drainage conduit (11) and flowmeter bodies (1) and is equipped with filter screen (14)；The third
Measurement chamber (4) is connected with drain pipe (15) far from the side of the second measurement chamber (3)；
The main rotor (5) is connect with drive rod (16), and the drive rod (16) is vertically arranged, and the drive rod (16)
The other end be connected to counter (17), the counter (17) is connect with display gauge head (18), the display gauge head
(18) setting is fixed in flowmeter bodies (1) by support rod (19) in the upper end of counter (17), the counter (17)
On.
2. a kind of Three-rotor flow meter according to claim 1, which is characterized in that the inlet tube (10) is far from the second meter
One end of one end and drain pipe (15) separate third measurement chamber (4) for measuring chamber (3) is equipped with connecting flange (20).
3. a kind of Three-rotor flow meter according to claim 1, which is characterized in that the support rod (19) passes through bolt
It is connect with flowmeter bodies (1).
4. a kind of Three-rotor flow meter according to claim 1, which is characterized in that the main rotor (5) and displacement turns
The rotating ratio of sub (6) is 1:4.
5. a kind of Three-rotor flow meter according to claim 1, which is characterized in that described to be without friction sealed gap
0.02-0.06mm。
6. a kind of Three-rotor flow meter according to claim 1, which is characterized in that the drainage conduit (11) and Material collecting box for harvesting
(13) it is connected through a screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821812401.7U CN208765771U (en) | 2018-11-05 | 2018-11-05 | A kind of Three-rotor flow meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821812401.7U CN208765771U (en) | 2018-11-05 | 2018-11-05 | A kind of Three-rotor flow meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208765771U true CN208765771U (en) | 2019-04-19 |
Family
ID=66136693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821812401.7U Active CN208765771U (en) | 2018-11-05 | 2018-11-05 | A kind of Three-rotor flow meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208765771U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116037327A (en) * | 2022-12-30 | 2023-05-02 | 中煤科工集团唐山研究院有限公司 | Dynamic air regulation and control method for self-priming air mechanical stirring flotation machine |
-
2018
- 2018-11-05 CN CN201821812401.7U patent/CN208765771U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116037327A (en) * | 2022-12-30 | 2023-05-02 | 中煤科工集团唐山研究院有限公司 | Dynamic air regulation and control method for self-priming air mechanical stirring flotation machine |
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