CN104075761B - A kind of high accuracy low discharge dual Piston flowmeter - Google Patents
A kind of high accuracy low discharge dual Piston flowmeter Download PDFInfo
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- CN104075761B CN104075761B CN201410358426.4A CN201410358426A CN104075761B CN 104075761 B CN104075761 B CN 104075761B CN 201410358426 A CN201410358426 A CN 201410358426A CN 104075761 B CN104075761 B CN 104075761B
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- Prior art keywords
- piston
- shell
- high accuracy
- accuracy low
- flowmeter
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Abstract
The invention discloses a kind of high accuracy low discharge dual Piston flowmeter,Including piston shell,Push rod,Seesaw support,Electrode suppor,Electromagnetic valve body and control unit,The piston shell is internally provided with dividing plate,Described the lower partition is provided with delivery hole,Piston shell is internally provided with left piston and right piston,Displacement conduction liquid is provided with space between the left piston and right piston,Push rod is provided with piston shell,Seesaw support is provided with piston shell,It is hinged on the seesaw support and seesaw is installed,The seesaw and ejector pin contact,The both sides of piston shell are respectively arranged with discharge opening and charging hole,Electrode suppor is provided with piston shell,Electrode is provided with the electrode suppor,The electrode is connected with control unit by wire,Discharge opening and charging hole are connected by conveying pipeline with electromagnetic valve body respectively,The electromagnetic valve body is connected by wire with control unit.Certainty of measurement of the present invention is high, and error is small, simple to operate, and numeral reads convenient.
Description
Technical field
The present invention relates to the technical field of pipeline flow measurement, particularly a kind of high accuracy low discharge dual Piston flowmeter
Technical field.
Background technology
Flow measurement device can very easily measure the flow of liquid, and the device category of current flux measurement is more, has
The device for driving pinion rotation to measure flow is flowed by liquid, is also had and is changed come measurement stream by the spread speed of ultrasonic wave
The flow of body, these flow measurement devices have its certain defect, and certainty of measurement is not accurate enough, and device structure is complicated, cost
Height, the fluid higher for some prices, small scale, error requirements are high, there is presently no specifically designed for small-scale high-precision
Flow measurement device.
The content of the invention
The purpose of the present invention is exactly to solve the problems of the prior art, proposes a kind of high accuracy low discharge dual Piston flow
Meter, can easily measure the flow of fluid, and high precision, error is small, simple to operate, be adapted to the measurement of small-scale precious liquid.
To achieve the above object, the present invention proposes a kind of high accuracy low discharge dual Piston flowmeter, including piston shell,
Push rod, seesaw support, electrode suppor, electromagnetic valve body and control unit, the piston shell are internally provided with dividing plate, described the lower partition
Delivery hole is provided with, piston shell is internally provided with left piston and right piston, is set in the space between the left piston and right piston
Displacement conduction liquid is equipped with, push rod is provided with piston shell, seesaw support is provided with piston shell, peace is hinged on the seesaw support
Equipped with seesaw, the seesaw and ejector pin contact, the both sides of piston shell are respectively arranged with discharge opening and charging hole, are set in piston shell
There is electrode suppor, electrode is provided with the electrode suppor, the electrode is connected with control unit by wire, discharge opening and charging
Hole is connected by conveying pipeline with electromagnetic valve body respectively, and the electromagnetic valve body is connected by wire with control unit.
Preferably, the material of the conveying pipeline is rubber, the wall thickness of conveying pipeline is 1~5mm, a diameter of the 3 of conveying pipeline
~50mm.
Preferably, the material of the piston shell is stainless steel, piston shell-side is provided with two Measure Boards, the scale
The material of plate is glass, and scale is provided with the Measure Board.
Preferably, the material of the piston shell is transparent plastic, piston shell-side is provided with scale.
Preferably, displacement conduction liquid is water or identical with the liquid material of transmission.
Preferably, the push rod top is provided with upper limit position block, push rod bottom is provided with lower position block, upper limit position block with
Return spring is provided between lower position block.
Preferably, being provided with charging aperture and discharging opening on the electromagnetic valve body, electromagnetic valve body top is provided with binding post,
Electromagnetic valve body is internally provided with coil, and distance rod is provided with the coil, and the distance rod bottom is provided with sealing piston.
Preferably, one end of the binding post is connected by wire with control unit, the other end and the coil of binding post connect
Connect.
Preferably, the left piston and right piston bottom are provided with boss, the boss is to prevent left piston and right work
Plug is fitted completely with piston shell bottom.
Preferably, the piston shell bottom is provided with boss, the boss is to prevent left piston and right piston and piston
Fit completely shell bottom.
Beneficial effects of the present invention：The present invention is applied in flowmeter by by piston and electromagnetic valve body, makes flow measurement
Precision greatly improve, while simple to operate, equipment cost is low, be adapted to small-scale precious fluids flow measurement work, read
Numerical value is convenient.
Feature of the invention and advantage will be described in detail by embodiment combination accompanying drawing.
Brief description of the drawings
Fig. 1 is a kind of front view of high accuracy low discharge dual Piston flowmeter of the invention；
Fig. 2 is a kind of front sectional view of high accuracy low discharge dual Piston flowmeter of first embodiment of the invention；
Fig. 3 is a kind of top view of high accuracy low discharge dual Piston flowmeter of the invention；
Fig. 4 is the front sectional view of electromagnetic valve body of the present invention；
Fig. 5 is a kind of front view of high accuracy low discharge dual Piston flowmeter of second embodiment of the invention；
Fig. 6 is a kind of front sectional view of high accuracy low discharge dual Piston flowmeter of second embodiment of the invention.
In figure：1- conveying pipelines, 2- piston shells, 21- dividing plates, 22- delivery holes, 23- Measure Boards, 24- left pistons, the right work of 25-
Plug, 26- discharge openings, 27- charging holes, 28- displacements conduction liquid, 3- push rods, 31- return springs, 32- lower position blocks, 33- upper limits
Block, 4- seesaws support, 41- seesaws, 5- electrode suppors, 51- electrodes, 6- electromagnetic valve bodies, 61- binding posts, 62- coils, 63- thrusts
Bar, 64- sealing pistons, 65- charging apertures, 66- discharging openings, 7- control units.
Specific embodiment
It is right below by accompanying drawing and embodiment to make the object, technical solutions and advantages of the present invention of greater clarity
The present invention is further elaborated.However, it should be understood that specific embodiment described herein is only used to explain this hair
Scope that is bright, being not intended to limit the invention.Additionally, in the following description, the description to known features and technology is eliminated, with
Avoid unnecessarily obscuring idea of the invention.
Embodiment one：Refering to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, a kind of high accuracy low discharge dual Piston flowmeter of the invention, bag
Piston shell 2, push rod 3, seesaw support 4, electrode suppor 5, electromagnetic valve body 6 and control unit 7 are included, the piston shell 2 is internally provided with
Dividing plate 21, the bottom of the dividing plate 21 is provided with delivery hole 22, and piston shell 2 is internally provided with left piston 24 and right piston 25, described
Displacement conduction liquid 28 is provided with space between left piston 24 and right piston 25, push rod 3, piston shell 2 are provided with piston shell 2
On be provided with seesaw support 4, be hinged on the seesaw support 4 and seesaw 41 be installed, the seesaw 41 is contacted with push rod 3, piston
The both sides of shell 2 are respectively arranged with discharge opening 26 and charging hole 27, and electrode suppor 5, the electrode suppor 5 are provided with piston shell 2
On be provided with electrode 51, the electrode 51 is connected with control unit 7 by wire, and discharge opening 26 and charging hole 27 pass through conveying respectively
Pipe 1 is connected with electromagnetic valve body 6, and the electromagnetic valve body 6 is connected by wire with control unit 7.The material of the conveying pipeline 1 is rubber
Glue, the wall thickness of conveying pipeline 1 is 1~5mm, a diameter of 3~50mm of conveying pipeline 1.The material of the piston shell 2 is stainless steel, living
The plug sidepiece of shell 2 is provided with two Measure Boards 23, and the material of the Measure Board 23 is glass, and quarter is provided with the Measure Board 23
Degree.The displacement conduction liquid 28 is water.The top of the push rod 3 is provided with upper limit position block 33, and the bottom of push rod 3 is provided with lower position block
32, return spring 31 is provided between upper limit position block 33 and lower position block 32.The He of charging aperture 65 is provided with the electromagnetic valve body 6
Discharging opening 66, the top of electromagnetic valve body 6 is provided with binding post 61, and electromagnetic valve body 6 is internally provided with coil 62, is set in the coil 62
Distance rod 63 is equipped with, the bottom of the distance rod 63 is provided with sealing piston 64.One end of the binding post 61 is by wire and control
Portion processed 7 connects, and the other end of binding post 61 is connected with coil 62.The left piston 24 and the bottom of right piston 25 are provided with boss,
The boss is to prevent left piston 24 and right piston 25 from being fitted completely with the bottom of piston shell 2.
Refering to Fig. 5 and Fig. 6, used as second implementation method, embodiment two is to some parts and group in embodiment one
Conjunction mode is converted, and the material of mainly described piston shell 2 is transparent plastic, and the sidepiece of piston shell 2 is provided with scale.The displacement
Conduction liquid 28 is identical with the liquid material of transmission.The bottom of the piston shell 2 is provided with boss, and the boss is to prevent left piston 24 and the right side
Piston 25 is fitted completely with the bottom of piston shell 2.
The course of work of the present invention：
In the course of the work, control unit 7 is different by controlling for a kind of high accuracy low discharge dual Piston flowmeter of the present invention
Electromagnetic valve body 6 close, it is in feed liquid is alternately entered piston shell 2 by two charging holes 27 and final from two discharge openings 26
Outflow, the working condition of electromagnetic valve body 6 in diagonal position is identical, is interacted by left piston 24 and right piston 25, every time row
The liquid material amount for going out is identical, and left piston 24 and right piston 25 alternately rise to top from bottom every time, and seesaw is promoted by push rod 3
41, seesaw 41 closes electrode 51, and control unit 7 can remember a number, when adding halted state eventually through the work times remembered
The liquid level of Measure Board 23, draws the flow of liquid material.
A kind of high accuracy low discharge dual Piston flowmeter of the present invention, total number, energy are matched somebody with somebody by piston shell 2 and control unit 7
The amount of flow of enough accurate measurement liquid materials, certainty of measurement is high, simple to operate, is adapted to the flow measurement of small-scale precious liquid, together
When device structure it is simple, cost is relatively low.
Above-described embodiment is the description of the invention, is not limitation of the invention, it is any to simple transformation of the present invention after
Scheme belong to protection scope of the present invention.
Claims (10)
1. a kind of high accuracy low discharge dual Piston flowmeter, it is characterised in that：Including piston shell（2）, push rod（3）, seesaw branch
Frame（4）, electrode suppor（5）, electromagnetic valve body（6）And control unit（7）, the piston shell（2）It is internally provided with dividing plate（21）, it is described
Dividing plate（21）Bottom is provided with delivery hole（22）, piston shell（2）It is internally provided with left piston（24）And right piston（25）, the left side
Piston（24）And right piston（25）Between space in be provided with displacement conduction liquid（28）, piston shell（2）On be provided with push rod
（3）, piston shell（2）On be provided with seesaw support（4）, the seesaw support（4）On be hinged seesaw be installed（41）, the seesaw
（41）With push rod（3）Contact, piston shell（2）Both sides be respectively arranged with discharge opening（26）And charging hole（27）, piston shell（2）On
It is provided with electrode suppor（5）, the electrode suppor（5）On be provided with electrode（51）, the electrode（51）With control unit（7）Pass through
Wire is connected, discharge opening（26）And charging hole（27）Pass through conveying pipeline respectively（1）With electromagnetic valve body（6）Connection, the magnetic valve
Body（6）By wire and control unit（7）Connection.
2. a kind of high accuracy low discharge dual Piston flowmeter as claimed in claim 1, it is characterised in that：The conveying pipeline
（1）Material be rubber, conveying pipeline（1）Wall thickness be 1~5mm, conveying pipeline（1）A diameter of 3~50mm.
3. a kind of high accuracy low discharge dual Piston flowmeter as claimed in claim 1, it is characterised in that：The piston shell
（2）Material be stainless steel, piston shell（2）Sidepiece is provided with two Measure Boards（23）, the Measure Board（23）Material be glass
Glass, the Measure Board（23）On be provided with scale.
4. a kind of high accuracy low discharge dual Piston flowmeter as claimed in claim 1, it is characterised in that：The piston shell
（2）Material be transparent plastic, piston shell（2）Sidepiece is provided with scale.
5. a kind of high accuracy low discharge dual Piston flowmeter as claimed in claim 1, it is characterised in that：The displacement conduction
Liquid（28）It is water or identical with the liquid material of transmission.
6. a kind of high accuracy low discharge dual Piston flowmeter as claimed in claim 1, it is characterised in that：The push rod（3）
Top is provided with upper limit position block（33）, push rod（3）Bottom is provided with lower position block（32）, upper limit position block（33）With lower position block
（32）Between be provided with return spring（31）.
7. a kind of high accuracy low discharge dual Piston flowmeter as claimed in claim 1, it is characterised in that：The electromagnetic valve body
（6）On be provided with charging aperture（65）And discharging opening（66）, electromagnetic valve body（6）Top is provided with binding post（61）, electromagnetic valve body（6）
It is internally provided with coil（62）, the coil（62）In be provided with distance rod（63）, the distance rod（63）Bottom is provided with close
Envelope piston（64）.
8. a kind of high accuracy low discharge dual Piston flowmeter as claimed in claim 7, it is characterised in that：The binding post
（61）One end pass through wire and control unit（7）Connection, binding post（61）The other end and coil（62）Connection.
9. a kind of high accuracy low discharge dual Piston flowmeter as claimed in claim 1, it is characterised in that：The left piston
（24）And right piston（25）Bottom is provided with boss, and the boss is to prevent left piston（24）And right piston（25）With piston shell
（2）Fit completely bottom.
10. a kind of high accuracy low discharge dual Piston flowmeter as claimed in claim 1, it is characterised in that：The piston shell
（2）Bottom is provided with boss, and the boss is to prevent left piston（24）And right piston（25）With piston shell（2）Paste completely bottom
Close.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410358426.4A CN104075761B (en) | 2014-07-26 | 2014-07-26 | A kind of high accuracy low discharge dual Piston flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410358426.4A CN104075761B (en) | 2014-07-26 | 2014-07-26 | A kind of high accuracy low discharge dual Piston flowmeter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104075761A CN104075761A (en) | 2014-10-01 |
| CN104075761B true CN104075761B (en) | 2017-06-20 |
Family
ID=51597192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410358426.4A Expired - Fee Related CN104075761B (en) | 2014-07-26 | 2014-07-26 | A kind of high accuracy low discharge dual Piston flowmeter |
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| Country | Link |
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| CN (1) | CN104075761B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112539787B (en) * | 2020-11-25 | 2024-01-30 | 浙江威盾机械科技有限公司 | Flowmeter for measuring flow rate |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1126238A (en) * | 1966-09-14 | 1968-09-05 | Gaskell & Chambers Ltd | Liquid dispensing device |
| CN2125820U (en) * | 1992-05-25 | 1992-12-23 | 李崇明 | Piston type quantifying liquid feeder |
| CN2140516Y (en) * | 1992-04-22 | 1993-08-18 | 天津克兰密封有限公司 | High precision gas leak automatic detecting implement |
| CN2521591Y (en) * | 2002-01-31 | 2002-11-20 | 徐敏 | Linear volume flow meter |
| CN203249658U (en) * | 2013-04-28 | 2013-10-23 | 北京市劳动保护科学研究所 | Piston type gas flowmeter |
| CN204007751U (en) * | 2014-07-26 | 2014-12-10 | 唐山唐仪科技有限公司 | A kind of high precision low discharge dual Piston flowmeter |
-
2014
- 2014-07-26 CN CN201410358426.4A patent/CN104075761B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1126238A (en) * | 1966-09-14 | 1968-09-05 | Gaskell & Chambers Ltd | Liquid dispensing device |
| CN2140516Y (en) * | 1992-04-22 | 1993-08-18 | 天津克兰密封有限公司 | High precision gas leak automatic detecting implement |
| CN2125820U (en) * | 1992-05-25 | 1992-12-23 | 李崇明 | Piston type quantifying liquid feeder |
| CN2521591Y (en) * | 2002-01-31 | 2002-11-20 | 徐敏 | Linear volume flow meter |
| CN203249658U (en) * | 2013-04-28 | 2013-10-23 | 北京市劳动保护科学研究所 | Piston type gas flowmeter |
| CN204007751U (en) * | 2014-07-26 | 2014-12-10 | 唐山唐仪科技有限公司 | A kind of high precision low discharge dual Piston flowmeter |
Non-Patent Citations (1)
| Title |
|---|
| 高精度流量校验装置;饶有根;《宇航计测技术》;19911231(第4期);全文 * |
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| CN104075761A (en) | 2014-10-01 |
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