CN106352932B - Liquid metering device with reflux mechanism - Google Patents
Liquid metering device with reflux mechanism Download PDFInfo
- Publication number
- CN106352932B CN106352932B CN201610939628.7A CN201610939628A CN106352932B CN 106352932 B CN106352932 B CN 106352932B CN 201610939628 A CN201610939628 A CN 201610939628A CN 106352932 B CN106352932 B CN 106352932B
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- liquid
- cavity
- hole
- liquid outlet
- rotary piston
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/56—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention discloses a liquid metering device with a reflux mechanism, which comprises a metering mechanism and a reflux mechanism; the metering mechanism comprises a rotary piston, a liquid inlet channel, a liquid outlet channel, a magnetic disk and a sensor for sensing the number of turns of the magnetic disk; the reflux mechanism comprises a first cavity, a liquid return port, a through hole which is arranged below the first cavity and communicated with the liquid outlet channel, and a control mechanism which is arranged in the first cavity; the control mechanism is used for enabling the liquid outlet of the first cavity to be communicated and preventing the liquid in the rotary piston from flowing out through the liquid outlet when the liquid level in the first cavity is higher than a first set value; and the rotary piston is also used for communicating with the liquid outlet and preventing the liquid in the first cavity from flowing out through the liquid outlet when the liquid in the first cavity is lower than the second set value. The device of the invention efficiently utilizes residual liquid by arranging the reflux mechanism, thereby saving the cost of enterprises; by arranging the metering mechanism with the rotary piston, the liquid flowing through the rotary piston can be precisely metered.
Description
Technical Field
The present invention relates to a liquid metering device with a return mechanism.
Background
In the packaging of liquid beverages, oils, medicines, etc., it is necessary to measure the amount of the liquid beverage, oil, medicine, etc., used in the packaging. So as to accurately control the filling machine and realize the purposes of meeting the filling requirement and saving the enterprise cost.
Part of the liquid inevitably generates residual liquid after filling or use, and the residual liquid is wasted when not treated, especially when the liquid with relatively high cost is involved.
Disclosure of Invention
The invention aims to provide a liquid metering device with a backflow mechanism, which not only can accurately meter output liquid, but also can continuously use the liquid remained after output through the backflow mechanism.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a liquid metering device with a reflow mechanism, the device comprising a metering mechanism and a reflow mechanism;
the metering mechanism comprises a rotary piston, a liquid inlet channel communicated with the rotary piston, a liquid outlet channel communicated with the rotary piston, a magnetic disk fixedly arranged on the rotary piston, and a sensor for sensing the number of turns of the magnetic disk, wherein the liquid outlet channel comprises a liquid outlet;
the backflow mechanism comprises a first cavity, a liquid return port, a through hole and a control mechanism, wherein the liquid return port is arranged above the first cavity and communicated with the liquid outlet, the through hole is arranged below the first cavity and communicated with the liquid outlet channel, and the control mechanism is arranged in the first cavity; the control mechanism is used for enabling the first cavity to be communicated with the liquid outlet and preventing the liquid in the rotary piston from flowing out through the liquid outlet when the liquid level in the first cavity is higher than a first set value; and the rotary piston is also used for communicating with the liquid outlet and preventing the liquid in the first cavity from flowing out through the liquid outlet when the liquid in the first cavity is lower than a second set value.
Preferably, the control mechanism comprises a rotating shaft, a floater and a plug ball, wherein the rotating shaft is arranged in the first cavity, the floater is arranged at one end of the rotating shaft, and the plug ball is arranged at the other end of the rotating shaft and is positioned in the liquid outlet channel; the plug ball is used for blocking downward movement between the rotary piston and the liquid outlet when the liquid level in the first cavity is higher than a first set value; and the liquid outlet is also used for blocking upward movement between the through hole and the liquid outlet when the liquid in the first cavity is lower than a second set value.
More preferably, the control mechanism further comprises a mounting seat fixedly arranged in the first cavity, and the rotating shaft is rotationally arranged on the mounting seat in a vertical plane.
More preferably, the control mechanism further comprises a connecting rod arranged between the other end of the rotating shaft and the plug ball, and the connecting rod penetrates through the through hole.
Preferably, the backflow mechanism further comprises an air outlet arranged above the first cavity and a one-way valve arranged in the air outlet and used for preventing liquid from flowing out of the air outlet.
Preferably, the backflow mechanism further comprises a filter screen arranged between the liquid return port and the first cavity.
Preferably, the rotary piston comprises a base, a rotary part rotationally arranged on the base, and a cover plate covered on the base and synchronously rotating with the rotary part, and the magnetic disk is fixedly arranged on the cover plate.
More preferably, the base comprises a first hole communicated with the liquid inlet channel, a second hole communicated with the liquid outlet channel, a second cavity arranged in the base, a third hole arranged at the bottom of the second cavity and communicated with the first hole, a fourth hole arranged at the bottom of the second cavity and communicated with the second hole, and a blocking piece arranged in the second cavity and used for blocking the third hole and the fourth hole.
Still further preferably, the blocking member includes a fixed shaft, a partition plate provided between the fixed shaft and an inner wall of the second chamber, the partition plate being provided between the third hole and the fourth hole.
Still further preferably, the second cavity is a cylindrical cavity, the rotating member is a hollow rotating cylinder sleeved on the fixed shaft, the diameter of the rotating cylinder is larger than that of the fixed shaft, a groove is formed in one side of the rotating cylinder along the axial direction, and the groove is a curved surface groove and is used for always abutting against the partition plate when the rotating cylinder rotates.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: according to the liquid metering device with the backflow mechanism, the control mechanism can block the rotary piston from communicating with the liquid outlet when the liquid level in the first cavity is higher than the first set value, so that the first cavity is communicated with the liquid outlet; when the liquid level in the first cavity is lower than a second set value, the first cavity and the liquid outlet are blocked, so that the rotary piston is communicated with the liquid outlet, residual liquid is efficiently utilized, and the cost of enterprises is saved; meanwhile, by arranging the metering mechanism with the rotary piston, the liquid flowing through the rotary piston can be precisely metered.
Drawings
FIG. 1 is a schematic diagram of the device of the present invention installed in an oil application mechanism;
FIG. 2 is a schematic diagram of the control mechanism in the device of the present invention in a first state;
FIG. 3 is a schematic diagram of a control mechanism in a second state of the device of the present invention;
FIG. 4 is an exploded view of a rotary piston;
FIG. 5 is a top view of the base;
FIG. 6 is a schematic structural view of a rotating member;
FIG. 7 is a top view of the rotating member;
fig. 8 is a schematic structural view of a magnetic disk.
Wherein: 1. a metering mechanism; 2. a reflow mechanism; 3. a rotary piston; 31. a base; 32. a rotating member; 321. a groove; 33. a cover plate; 34. a first hole; 35. a second hole; 36. a second cavity; 37. a third hole; 38. a fourth hole; 39. a barrier; 391. a fixed shaft; 392. a partition plate; 4. a liquid inlet channel; 41. a liquid inlet; 5. a liquid outlet channel; 51. a liquid outlet; 6. a magnetic disk; 7. a sensor; 8. a first cavity; 9. a liquid return port; 10. a through hole; 11. a control mechanism; 111. a rotating shaft; 112. a float; 113. a stopper ball; 114. a mounting base; 115. a connecting rod; 12. an air outlet; 13. a one-way valve; 14. a filter screen; 15. an oil tank; 16. a coarse filtration filter; 17. a fine filtration filter; 18. an engine; 19. a pressure regulating handle; 20. a pressure gauge; 21. a magnetic rod.
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings.
The liquid metering device with the reflux mechanism comprises a metering mechanism 1 and a reflux mechanism 2. In this embodiment, the metering device is used for accurately metering the fuel filling amount of the fuel engine, as shown in fig. 1, the fuel tank 15 discharges fuel, the fuel enters the liquid inlet after passing through the rough filter 16, the fuel enters the fine filter 17 through the liquid outlet, the filtered fuel is sent to the engine 18 for combustion, and the filtered fuel enters the first cavity through the liquid return port.
Referring to fig. 4-8, the metering mechanism 1 includes a rotary piston 3, a liquid inlet channel 4 communicated with the rotary piston 3, a liquid outlet channel 5 communicated with the rotary piston 3, a magnetic disk 6 fixedly arranged on the rotary piston 3, and a sensor 7 for sensing the number of turns of the magnetic disk 6, wherein the amount of oil flowing through each turn of the rotary piston 3 is fixed, so that the amount of oil consumption can be conveniently counted by counting the number of turns. In this embodiment, two cylindrical grooves are formed in the magnetic disk 6, two magnetic rods 21 are respectively disposed in the two cylindrical grooves, and one of the two magnetic rods 21 is a positive electrode and the other is a negative electrode, so as to be sensed by the sensor 7. The liquid outlet channel 5 comprises a liquid outlet 51, the liquid inlet channel 4 comprises a liquid inlet 41, and a one-way valve 13 is arranged at the liquid inlet 41 and used for preventing oil return and generating error statistics. In the present embodiment, the sensor 7 is a hall sensor.
The rotary piston 3 comprises a base 31, a rotary member 32 rotatably arranged on the base 31, and a cover plate 33 which is covered on the base 31 and rotates synchronously with the rotary member 32, and the magnetic disk 6 is fixedly arranged on the cover plate 33. The base 31 includes a first hole 34 communicating with the liquid inlet channel 4, and a second hole 35 communicating with the liquid outlet channel 5, the first hole 34 is formed on a side surface of the base 31, and the second hole 35 is formed on an upper surface of the base 31.
The base 31 further comprises a second cavity 36 formed in the base 31, a third hole 37 formed at the bottom of the second cavity 36 and communicated with the first hole 34, a fourth hole 38 formed at the bottom of the second cavity 36 and communicated with the second hole 35, and a blocking piece 39 formed in the second cavity 36 and used for blocking the third hole 37 and the fourth hole 38. The third hole 37 is located below the first hole 34 and the fourth hole 38 is also located below the second hole 35. The third hole 37 and the fourth hole 38 are arc-shaped holes.
The blocking member 39 includes a fixed shaft 391, a partition 392 provided between the fixed shaft 391 and an inner wall of the second chamber 36, the partition 392 being provided between the third hole 37 and the fourth hole 38 in the second chamber 36 for preventing oil from directly entering the fourth hole 38 from the third hole 37.
The second cavity 36 is a cylindrical cavity, the rotating member 32 is a hollow rotating cylinder, the rotating cylinder is sleeved on the fixed shaft 391, and the diameter of the rotating cylinder is larger than that of the fixed shaft 391. An oil passing channel is formed between the rotating cylinder and the fixed shaft 391, oil enters the third hole 37 from the first hole 34 and then enters the oil passing channel, and the rotating cylinder is impacted to rotate around the fixed shaft 391 until the rotating cylinder rotates for one circle, and then the oil enters the fourth hole 38 from the oil passing channel and then enters the first hole 34.
The groove 321 is axially formed in one side of the rotary cylinder, the groove 321 is a curved groove, the curved groove is used for always abutting against the baffle 392 when the rotary cylinder rotates, and the rotary cylinder is guided to rotate according to a set route through the baffle 392 and the curved groove.
Referring to fig. 2-3, the backflow mechanism 2 includes a first cavity 8, a liquid return port 9 disposed above the first cavity 8 and communicating with a liquid outlet 51, a through hole 10 disposed below the first cavity 8 and communicating with the liquid outlet channel 5, and a control mechanism 11 disposed in the first cavity 8. The control mechanism 11 is configured to enable the first cavity 8 to be communicated with the liquid outlet 51 and prevent the liquid in the rotary piston 3 from flowing out through the liquid outlet 51 when the liquid level in the first cavity 8 is higher than a first set value, namely, a state one of the control mechanism 11 in fig. 2 is shown; the control mechanism 11 is further configured to enable the rotary piston 3 to communicate with the liquid outlet 51 and prevent the liquid in the first cavity 8 from flowing out through the liquid outlet 51 when the liquid in the first cavity 8 is lower than the second set value, which is shown in a second state of the control mechanism 11 in fig. 3.
The control mechanism 11 comprises a rotating shaft 111 arranged in the first cavity 8, a floater 112 arranged at one end of the rotating shaft 111, and a plug ball 113 arranged at the other end of the rotating shaft 111 and positioned in the liquid outlet channel 5, wherein the diameter of the plug ball 113 is larger than that of the through hole 10. The control mechanism 11 further comprises a mounting seat 114 fixedly arranged at the bottom of the first cavity 8, and a connecting rod 115 arranged between the other end of the rotating shaft 111 and the plug 113, wherein the rotating shaft 111 is rotatably arranged on the mounting seat 114 in a vertical plane. The connecting rod 115 is inserted into the through hole 10. One end of the rotating shaft 111 is hinged with a first connecting part, and the floater 112 is fixedly arranged above the first connecting part; the other end of the rotating shaft 111 is hinged with a second connecting portion, and the upper end of the connecting rod 115 is arranged on the second connecting portion.
The plug ball 113 is used for blocking between the rotary piston 3 and the liquid outlet 51 by downward movement under the drive of the connecting rod 115 when the liquid level in the first cavity 8 is higher than a first set value, so that oil enters the liquid outlet 51 from the first cavity 8; the plug ball 113 is further used for blocking the upward movement between the through hole 10 and the liquid outlet 51 under the driving of the connecting rod 115 when the liquid in the first cavity 8 is lower than the second set value, so that the oil enters the liquid outlet 51 from the rotary piston 3.
The backflow mechanism 2 further comprises an air outlet 12 arranged above the first cavity 8, and a one-way valve 13 arranged in the air outlet 12 and used for preventing liquid from flowing out of the air outlet 12. By providing the air outlet 12, the problems of pump blocking and the like caused by high-pressure oil which should flow back to the engine 18 can be eliminated, the accident rate of the engine is reduced, and the service life of the engine 18 is prolonged. The air outlet 12 is also provided with a pressure regulating handle 19, and an air exhaust small hole is arranged in the pressure regulating handle 19.
The backflow mechanism 2 further comprises a filter screen 14 arranged between the liquid return port 9 and the first cavity 8, wherein the filter screen 14 is used for scattering bubbles of high-pressure high-speed gas-containing return oil so as to buffer the oil speed and enable the return oil to slowly fall into the first cavity 8.
The lateral part of the first cavity 8 is provided with a pressure gauge 20, and when the pressure gauge 20 is larger than a maximum set value, the device is stopped in time for use, and the inside of the device is overhauled.
The working procedure of this embodiment is specifically described below:
the oil tank 15 produces oil, the oil enters the liquid inlet 41 after passing through the rough filter 16, then enters the fine filter 17 through the liquid outlet 51, the filtered oil is sent to the engine 18 for combustion, and the filtered oil enters the first cavity 8 through the liquid return port 9.
When the oil return is increased, the float 112 floats upwards to drive one end of the rotating shaft 111 to rise, so that the other end of the rotating shaft 111 descends, the other end of the rotating shaft 111 drives the plug ball 113 to descend through the connecting shaft, and when the liquid level is higher than a first set value, the plug ball 113 is blocked between the rotary piston 3 and the liquid outlet 51, so that oil enters the liquid outlet channel 5 from the through hole 10; when the oil in the first cavity 8 gradually decreases, the float 112 descends to drive one end of the rotating shaft 111 to descend, the other end of the rotating shaft 111 drives the plug ball 113 to ascend through the connecting shaft, and when the liquid level is lower than a second set value, the plug ball 113 plugs the through hole 10 to enable the oil to enter the liquid outlet channel 5 from the rotating piston 3.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and to implement the same, but are not intended to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.
Claims (10)
1. A liquid metering device with a return mechanism, characterized in that: the device comprises a metering mechanism and a reflux mechanism;
the metering mechanism comprises a rotary piston, a liquid inlet channel communicated with the rotary piston, a liquid outlet channel communicated with the rotary piston, a magnetic disk fixedly arranged on the rotary piston, and a sensor for sensing the number of turns of the magnetic disk, wherein the liquid outlet channel comprises a liquid outlet;
the backflow mechanism comprises a first cavity, a liquid return port, a through hole and a control mechanism, wherein the liquid return port is arranged above the first cavity and communicated with the liquid outlet, the through hole is arranged below the first cavity and communicated with the liquid outlet channel, and the control mechanism is arranged in the first cavity; the control mechanism is used for enabling the first cavity to be communicated with the liquid outlet and preventing the liquid in the rotary piston from flowing out through the liquid outlet when the liquid level in the first cavity is higher than a first set value; and the rotary piston is also used for communicating with the liquid outlet and preventing the liquid in the first cavity from flowing out through the liquid outlet when the liquid in the first cavity is lower than a second set value.
2. A liquid metering device with a return mechanism as set forth in claim 1 wherein: the control mechanism comprises a rotating shaft, a floater and a plug ball, the rotating shaft is arranged in the first cavity, the floater is arranged at one end of the rotating shaft, and the plug ball is arranged at the other end of the rotating shaft and is positioned in the liquid outlet channel; the plug ball is used for blocking downward movement between the rotary piston and the liquid outlet when the liquid level in the first cavity is higher than a first set value; and the liquid outlet is also used for blocking upward movement between the through hole and the liquid outlet when the liquid in the first cavity is lower than a second set value.
3. A liquid metering device with a return mechanism as claimed in claim 2, wherein: the control mechanism further comprises a mounting seat fixedly arranged in the first cavity, and the rotating shaft is rotationally arranged on the mounting seat in the vertical plane.
4. A liquid metering device with a return mechanism as claimed in claim 2, wherein: the control mechanism further comprises a connecting rod arranged between the other end of the rotating shaft and the plug ball, and the connecting rod penetrates through the through hole.
5. A liquid metering device with a return mechanism as set forth in claim 1 wherein: the backflow mechanism further comprises an air outlet arranged above the first cavity and a one-way valve arranged in the air outlet and used for preventing liquid from flowing out of the air outlet.
6. A liquid metering device with a return mechanism as set forth in claim 1 wherein: the backflow mechanism further comprises a filter screen arranged between the liquid return port and the first cavity.
7. A liquid metering device with a return mechanism as set forth in claim 1 wherein: the rotary piston comprises a base, a rotary part rotationally arranged on the base, and a cover plate covered on the base and synchronously rotating with the rotary part, and the magnetic disk is fixedly arranged on the cover plate.
8. A liquid metering device with a return mechanism as set forth in claim 7 wherein: the base comprises a first hole communicated with the liquid inlet channel, a second hole communicated with the liquid outlet channel, a second cavity arranged in the base, a third hole arranged at the bottom of the second cavity and communicated with the first hole, a fourth hole arranged at the bottom of the second cavity and communicated with the second hole, and a blocking piece arranged in the second cavity and used for blocking the third hole and the fourth hole.
9. A liquid metering device with a return mechanism as set forth in claim 8 wherein: the blocking piece comprises a fixed shaft, a partition plate arranged between the fixed shaft and the inner wall of the second cavity, and the partition plate is arranged between the third hole and the fourth hole.
10. A liquid metering device with a return mechanism as set forth in claim 9 wherein: the second cavity is a cylindrical cavity, the rotating piece is a hollow rotating cylinder sleeved on the fixed shaft, the diameter of the rotating cylinder is larger than that of the fixed shaft, a groove is formed in one side of the rotating cylinder along the axial direction, the groove is a curved surface groove, and the curved surface groove is used for always abutting against the baffle when the rotating cylinder rotates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610939628.7A CN106352932B (en) | 2016-11-01 | 2016-11-01 | Liquid metering device with reflux mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610939628.7A CN106352932B (en) | 2016-11-01 | 2016-11-01 | Liquid metering device with reflux mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN106352932A CN106352932A (en) | 2017-01-25 |
| CN106352932B true CN106352932B (en) | 2023-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610939628.7A Active CN106352932B (en) | 2016-11-01 | 2016-11-01 | Liquid metering device with reflux mechanism |
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| CN (1) | CN106352932B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269431A (en) * | 2017-05-24 | 2017-10-20 | 张家港海纳德智能科技有限公司 | A kind of gasoline with gear oil machine structure measures reflux |
| CN107269432A (en) * | 2017-05-24 | 2017-10-20 | 张家港海纳德智能科技有限公司 | A kind of metering reflux for gasoline |
| CN107490412A (en) * | 2017-08-24 | 2017-12-19 | 张家港海纳德智能科技有限公司 | A kind of oil consumption monitor with bypass mechanism |
| CN108387280B (en) * | 2018-02-12 | 2024-03-15 | 张家港海纳德智能科技有限公司 | Anti-seize rotary piston flowmeter |
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| GB434788A (en) * | 1933-12-04 | 1935-09-09 | Georges Grauce | Improvements in or relating to fuel pumps |
| US3993219A (en) * | 1975-01-24 | 1976-11-23 | Jose Francisco Franzosi | Metering and mixing apparatus for a plurality of liquids |
| CN102878045A (en) * | 2011-07-11 | 2013-01-16 | 鸿准精密模具（昆山）有限公司 | Liquid drainage system |
| CN205173090U (en) * | 2015-11-10 | 2016-04-20 | 北京科路工业装备股份有限公司 | Hydraulic pressure voltage limiting mechanism |
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2016
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|---|---|---|---|---|
| GB434788A (en) * | 1933-12-04 | 1935-09-09 | Georges Grauce | Improvements in or relating to fuel pumps |
| US3993219A (en) * | 1975-01-24 | 1976-11-23 | Jose Francisco Franzosi | Metering and mixing apparatus for a plurality of liquids |
| CN102878045A (en) * | 2011-07-11 | 2013-01-16 | 鸿准精密模具（昆山）有限公司 | Liquid drainage system |
| CN205173090U (en) * | 2015-11-10 | 2016-04-20 | 北京科路工业装备股份有限公司 | Hydraulic pressure voltage limiting mechanism |
| CN206114019U (en) * | 2016-11-01 | 2017-04-19 | 张家港海纳德智能科技有限公司 | Take liquid measurement device of class mechanism back to |
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| CN106352932A (en) | 2017-01-25 |
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