CN111579017B - Chemical metering device with accurate counting - Google Patents
Chemical metering device with accurate counting Download PDFInfo
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- CN111579017B CN111579017B CN202010432693.7A CN202010432693A CN111579017B CN 111579017 B CN111579017 B CN 111579017B CN 202010432693 A CN202010432693 A CN 202010432693A CN 111579017 B CN111579017 B CN 111579017B
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- 239000000126 substance Substances 0.000 title claims abstract description 41
- 239000007788 liquid Substances 0.000 claims abstract description 42
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010030 laminating Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F19/00—Calibrated capacity measures for fluids or fluent solid material, e.g. measuring cups
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Abstract
The invention belongs to the technical field of metering devices, in particular to a chemical metering device with accurate counting, which aims at solving the problems that when the existing measuring cylinder meters chemicals, reading is easy to cause errors due to light refraction generated by a liquid level, and the chemicals are easy to remain on the inner wall of the measuring cylinder when the chemicals are poured, so that the finally obtained chemicals are smaller than a metering value, the invention provides the following scheme, which comprises a base, a shell is arranged at the top of the base, a liquid outlet pipe and a dial are arranged on the side surface of the shell, a piston is arranged on the inner wall of the side surface of the shell, a ring is arranged at the top of the shell, a turntable is arranged at the top of the ring, a rotary column is arranged at the bottom of the turntable, in the invention, the piston is arranged on the inner wall of the shell, the piston can avoid the residual solution in the device, the arrangement of the liquid outlet pipe enables the inversion of the device to be unnecessary when the solution is poured, and the arrangement of the pointer enables the metering device to be clearer when the reading, reading errors are not easily caused by light refraction of the liquid level.
Description
Technical Field
The invention relates to the technical field of metering devices, in particular to a chemical metering device with accurate counting.
Background
Various chemicals are often required to be used and produced in the chemical industry, and have own properties, and when the various chemicals are used in a matching way, the use effect of the chemicals is often influenced by the proportion of each component, so that when the chemicals are used or matched, strict metering is required, and when the metering is not accurate, the problems of insufficient effect or over severe effect often occur to the chemicals.
In the existing metering device, the content of chemicals is often metered through a common measuring cylinder, and when the conventional measuring cylinder is used for metering the chemicals, because a glass interval is arranged between a page of the chemicals and a dial, the page observed in reading is often subjected to light refraction, so that the difference between the actual liquid level and the reading possibly exists, and after the chemicals are metered, a part of the chemical is easily remained on the inner wall of the measuring cylinder after being poured from the measuring cylinder, so that the amount of the chemicals poured out after metering is smaller than the amount read just before, and therefore, a novel metering device is needed to solve the problems.
Disclosure of Invention
The invention aims to solve the defects that in the prior art, when a measuring cylinder is used for measuring chemicals, reading is easy to cause errors due to light refraction generated on a liquid surface, and chemicals are easy to remain on the inner wall of the measuring cylinder when the chemicals are poured, so that finally obtained chemicals are smaller than a measured value, and provides a chemical metering device with accurate counting.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a chemometrics device with accurate count, includes the base, the top fixed mounting of base has the shell, the top of shell is equipped with the funnel, and the side fixed mounting of shell has drain pipe and calibrated scale, slidable mounting has the piston on the side inner wall of shell, and the top fixed mounting of shell has the ring, the top of ring is rotated and is installed the carousel, and the bottom of carousel is equipped with the ring channel, and the ring card is in the ring channel, and the bottom fixed mounting of carousel has the rotary column, the rotary column cooperatees with the piston, the second spout has been seted up on the inner wall of calibrated scale, and slidable mounting has the slider on the second spout, and fixed mounting has the pointer on the slider, and the pointer cooperatees with the calibrated scale, and the calibrated scale is thinner, and the pointer is used for pointing out the scale.
Preferably, the first chute has been seted up to the bottom of piston, second chute and slider looks adaptation, and the cavity has been seted up to the inside of slider, and the slider is hollow structure promptly, and its inside contains more air.
Preferably, the bottom of the funnel is provided with a second through hole, the bottom of the funnel is fixedly provided with one end of a connecting column, and the other end of the connecting column is fixedly arranged on the inner wall of the bottom of the shell.
Preferably, the side fixed mounting of shell has the stopper, and slidable mounting has the bolt on the side inner wall of shell, and the jack has been seted up at the top of drain pipe, and bolt movable mounting is in the jack, and the bolt cooperatees with the stopper, and in the plug can enter into the drain pipe through moving down, has the arch on the bolt, can be fixed by the top of drain pipe when gliding to suitable position.
Preferably, the inner wall of the liquid outlet pipe is fixedly provided with a support, the support is fixedly provided with a fixed rod, the inner wall of the liquid outlet pipe is provided with a sliding plate in a sliding manner, and the sliding plate is matched with the fixed rod.
Preferably, the inner wall of the liquid outlet pipe is fixedly provided with a fixing plate, the fixing plate and the sliding plate are both provided with a third through hole, the fixing rod is movably arranged in the third through hole on the sliding plate, and the size of the fixing rod is the same as that of the third through hole.
Preferably, one end of the spring is fixedly mounted on the fixing plate, and the other end of the spring is fixedly mounted on the sliding plate.
Preferably, the piston is provided with a fourth through hole and a fifth through hole, the rotating seat is slidably mounted in the fourth through hole, and the connecting column is slidably mounted in the fifth through hole.
Preferably, fixed mounting has the rotation seat on the bottom inner wall of shell, and the rotary column rotates to be installed in rotating the seat, has seted up first through-hole on rotating the seat, rotates the seat promptly and is hollow body, and has seted up first through-hole on the inner wall, and the rotary column is laminated with the inner wall that rotates the seat.
Preferably, a movable rod is fixedly installed in the fourth through hole, a threaded groove is formed in the rotary column, the movable rod is movably installed in the threaded groove, and the movable rod is movably installed in the first through hole.
Compared with the prior art, the invention has the beneficial effects that:
1. in order to avoid the problem of inaccurate reading when chemicals are measured, structures such as a dial are arranged, a sliding block is arranged on the inner wall of the dial in a sliding mode, a pointer is arranged on the sliding block, the sliding block is of a hollow structure and can float on a page of chemical solution, the pointer is aligned to corresponding scales, and the problem that the solution liquid level is not easy to observe or reading errors are easy to cause due to direct observation can be avoided.
2. In order to avoid dumping the solution, a part of the solution is attached to the inner wall of the shell, the piston is arranged and the like, the piston is pressed downwards to enable the solution to be dumped out, the piston can scrape the solution attached to the inner wall of the shell, so that only a small amount of solution is finally remained in the device, and the final metering error caused in the dumping process is avoided.
3. In order to make the empting of chemicals more convenient, structures such as a liquid outlet pipe are arranged, and structures such as a bolt are arranged to be matched with each other, so that the liquid outlet pipe can be opened and closed, and the chemicals can be poured out from the liquid outlet pipe without an inversion device.
According to the invention, the piston is arranged on the inner wall of the shell, the piston can prevent the solution from remaining in the device, the device does not need to be inverted when the solution is poured due to the arrangement of the liquid outlet pipe, the metering device can be more clear in reading due to the arrangement of the pointer, and reading errors caused by light refraction of the liquid level are not easy to occur.
Drawings
FIG. 1 is a schematic perspective view of a stoichiometric device with precise counting according to the present invention;
FIG. 2 is a schematic diagram of the internal structure of a stoichiometric device with precise counting according to the present invention;
FIG. 3 is a schematic structural diagram of a liquid outlet tube and other structures of a chemical metering device with precise counting according to the present invention;
FIG. 4 is a schematic structural diagram of a pointer and other structures of a stoichiometric device with precise counting according to the present invention;
FIG. 5 is a schematic perspective view of a rotary column of a stoichiometric device with precise counting according to the present invention;
fig. 6 is a schematic structural diagram of a piston and other structures in a stoichiometric device with accurate counting according to the present invention.
In the figure: the device comprises a base 1, a shell 2, a funnel 3, a liquid outlet pipe 4, a dial 5, a rotary table 6, a ring 7, a rotary column 8, a rotary seat 9, a first through hole 10, a piston 11, a first sliding groove 12, a second sliding groove 13, a sliding block 14, a cavity 15, a pointer 16, a second through hole 17, a connecting column 18, a limiting block 19, a bolt 20, a bracket 21, a fixing rod 22, a sliding plate 23, a spring 24, a fixing plate 25, a third through hole 26, a thread groove 27, a fourth through hole 28, a fifth through hole 29 and a movable rod 30.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example one
Referring to fig. 1-6, a chemical metering device with accurate counting comprises a base 1, a housing 2 is fixedly installed on the top of the base 1, a funnel 3 is arranged on the top of the housing 2, the funnel 3 is used for pouring chemical solution into the housing 2, a liquid outlet pipe 4 and a dial 5 are fixedly installed on the side surface of the housing 2, the liquid outlet pipe 4 is used for pouring solution outwards, the dial 5 is used for reading, a piston 11 is slidably installed on the inner wall of the side surface of the housing 2, the piston 11 can scrape off the solution on the inner wall of the housing 2 when sliding downwards, a ring 7 is fixedly installed on the top of the housing 2, a rotary disc 6 is rotatably installed on the top of the ring 7, an annular groove is formed in the bottom of the rotary disc 6, the ring 7 is clamped in the annular groove, a rotary column 8 is fixedly installed on the bottom of the rotary disc 6, the rotary column 8 is matched with the piston 11, a second chute 13 is formed in the inner wall of the dial 5, and a sliding block 14 is installed on the second chute 13, the pointer 16 is fixedly arranged on the sliding block 14, the pointer 16 is matched with the dial 5, the dial 5 is thin, the pointer 16 is used for indicating scales, and the pointer 16 is observed more clearly and intuitively compared with the liquid level of the solution.
In this embodiment, the bottom of the piston 11 is provided with a first chute 12, the second chute 13 is matched with the slider 14, and the inside of the slider 14 is provided with a cavity 15, that is, the slider 14 is a hollow structure and contains more air inside, when a solution is present inside the housing 2, the slider 14 floats upwards due to buoyancy, so that the height of the pointer 16 is substantially equal to the liquid level of the solution.
In this embodiment, the bottom of the funnel 3 is provided with a second through hole 17, one end of a connecting column 18 is fixedly installed at the bottom of the funnel 3, and the other end of the connecting column 18 is fixedly installed on the inner wall of the bottom of the housing 2.
In this embodiment, shell 2's side fixed mounting has stopper 19, and slidable mounting has bolt 20 on shell 2's the side inner wall, and the jack has been seted up at the top of drain pipe 4, and bolt 20 movable mounting is in the jack, and bolt 20 and stopper 19 cooperate, and plug 20 can be through moving down and enter into in the drain pipe 4, has the arch on the bolt 20, can be fixed by the top of drain pipe 4 when gliding to suitable position.
In this embodiment, a support 21 is fixedly mounted on the inner wall of the liquid outlet pipe 4, a fixing rod 22 is fixedly mounted on the support 21, a sliding plate 23 is slidably mounted on the inner wall of the liquid outlet pipe 4, and the sliding plate 23 is matched with the fixing rod 22.
In this embodiment, a fixing plate 25 is fixedly installed on the inner wall of the liquid outlet pipe 4, third through holes 26 are formed in the fixing plate 25 and the sliding plate 23, the fixing rod 22 is movably installed in the third through hole 26 of the sliding plate 23, and the size of the fixing rod 22 is the same as that of the third through hole 26.
In this embodiment, one end of the spring 24 is fixedly mounted on the fixing plate 25, the other end of the spring 24 is fixedly mounted on the sliding plate 23, when the spring 24 is in a natural state, the sliding plate 23 is in a position contacting with the fixing rod 22 due to elastic force, and at this time, the third through hole 26 on the sliding plate 23 is blocked by the fixing rod 22, so that the whole liquid outlet pipe 4 is blocked, and the solution cannot be poured.
In this embodiment, the piston 11 is provided with a fourth through hole 28 and a fifth through hole 29, the rotating base 9 is slidably mounted in the fourth through hole 28, and the connecting column 18 is slidably mounted in the fifth through hole 29.
In this embodiment, fixed mounting has the seat 9 of rotating on the bottom inner wall of shell 2, and the rotary column 8 rotates and installs in rotating seat 9, has seted up first through-hole 10 on rotating seat 9, rotates seat 9 promptly and is the hollow body, and has seted up first through-hole 10 on the inner wall, and rotary column 8 and the inner wall laminating of rotating seat 9.
In this embodiment, the movable rod 30 is fixedly installed in the fourth through hole 28, the rotary column 8 is provided with a threaded groove 27, the movable rod 30 is movably installed in the threaded groove 27, and the movable rod 30 is movably installed in the first through hole 10.
Example two
Referring to fig. 1-6, a chemical metering device with accurate counting comprises a base 1, a shell 2 is welded on the top of the base 1, a funnel 3 is arranged on the top of the shell 2, the funnel 3 is used for pouring chemical solution into the shell 2, a liquid outlet pipe 4 and a dial 5 are welded on the side of the shell 2, the liquid outlet pipe 4 is used for pouring solution outwards, the dial 5 is used for reading, a piston 11 is slidably mounted on the inner wall of the side of the shell 2, the piston 11 can scrape the solution on the inner wall of the shell 2 when sliding downwards, a ring 7 is welded on the top of the shell 2, a rotary disc 6 is rotatably mounted on the top of the ring 7, an annular groove is arranged at the bottom of the rotary disc 6, the ring 7 is clamped in the annular groove, a rotary column 8 is welded at the bottom of the rotary disc 6, the rotary column 8 is matched with the piston 11, a second chute 13 is arranged on the inner wall of the dial 5, and a slide block 14 is slidably mounted on the second chute 13, the pointer 16 is welded on the sliding block 14, the pointer 16 is matched with the dial 5, the dial 5 is thin, the pointer 16 is used for indicating scales, and the pointer 16 is observed more clearly and intuitively compared with the pointer for observing the liquid level of the solution.
In this embodiment, the bottom of the piston 11 is provided with a first chute 12, the second chute 13 is matched with the slider 14, and the inside of the slider 14 is provided with a cavity 15, that is, the slider 14 is a hollow structure and contains more air inside, when a solution is present inside the housing 2, the slider 14 floats upwards due to buoyancy, so that the height of the pointer 16 is substantially equal to the liquid level of the solution.
In this embodiment, the bottom of the funnel 3 is provided with a second through hole 17, the bottom of the funnel 3 is welded with one end of a connecting column 18, and the other end of the connecting column 18 is welded on the inner wall of the bottom of the housing 2.
In this embodiment, the side welding of shell 2 has stopper 19, slidable mounting has bolt 20 on the side inner wall of shell 2, the jack has been seted up at the top of drain pipe 4, bolt 20 movable mounting is in the jack, and bolt 20 cooperatees with stopper 19, plug and play the pin 20 can enter into in drain pipe 4 through moving down, there is the arch on the bolt 20, can be fixed by the top of drain pipe 4 when gliding to suitable position, bolt 20 is when the minimum position, its bottom is located inside drain pipe 4, and support slide 23, slide 23 can't remove because of the pressure of solution, drain pipe 4 is plugged up all the time this moment, solution can't be emptyd, and when moving up bolt 20, make when slide 23 can remove, solution can be emptyd from drain pipe 4.
In this embodiment, the inner wall of the liquid outlet pipe 4 is welded with a support 21, the support 21 is welded with a fixing rod 22, the inner wall of the liquid outlet pipe 4 is slidably provided with a sliding plate 23, and the sliding plate 23 is matched with the fixing rod 22.
In this embodiment, the inner wall of the liquid outlet pipe 4 is welded with a fixing plate 25, the fixing plate 25 and the sliding plate 23 are both provided with a third through hole 26, the fixing rod 22 is movably installed in the third through hole 26 of the sliding plate 23, and the size of the fixing rod 22 is the same as that of the third through hole 26.
In this embodiment, one end of the spring 24 is welded on the fixing plate 25, the other end of the spring 24 is welded on the sliding plate 23, when the spring 24 is in a natural state, the sliding plate 23 is in a position contacting with the fixing rod 22 due to elastic force, and at this time, the third through hole 26 on the sliding plate 23 is blocked by the fixing rod 22, so that the whole liquid outlet pipe 4 is blocked, and the solution cannot be poured.
In this embodiment, the piston 11 is provided with a fourth through hole 28 and a fifth through hole 29, the rotating base 9 is slidably mounted in the fourth through hole 28, and the connecting column 18 is slidably mounted in the fifth through hole 29.
In this embodiment, the welding has the seat 9 of rotating on the bottom inner wall of shell 2, and the rotary column 8 rotates and installs in rotating seat 9, has seted up first through-hole 10 on rotating seat 9, rotates seat 9 promptly and is the hollow body, and has seted up first through-hole 10 on the inner wall, and rotary column 8 and the inner wall laminating of rotating seat 9.
In this embodiment, the movable rod 30 is welded in the fourth through hole 28, the rotary column 8 is provided with a threaded groove 27, the movable rod 30 is movably installed in the threaded groove 27, and the movable rod 30 is movably installed in the first through hole 10.
In the invention, chemical solution is poured into the device, namely the shell 2, through the funnel 3, the liquid level of the solution rises continuously, so that the sliding block 14 floats upwards under the action of buoyancy, the pointer 16 is driven to move upwards, the final height of the liquid level is basically the same as the position of the pointer 16, the chemical solution has different colors and the solution is easy to reflect light, the pointer 16 is observed to be matched with the observed liquid level, so that the reading can be clearer and more accurate, when the solution needs to be poured out after the reading is finished, the bolt 20 is firstly moved upwards, the bolt 20 is fixed through the limiting block 19, at the moment, the sliding plate 23 is not limited by the bolt 20 and can slide, the liquid outlet pipe 4 can circulate the solution, the rotary table 6 is rotated to drive the rotary column 8 to rotate, the rotary column 8 is provided with the thread groove 27, the rotary seat 9 is provided with the first through hole 10, and a superposed part is arranged between the thread groove 27 and the first through hole 10, the movable rod 30 moves in the thread groove 27 and moves in the first through hole 10 at the same time, so that when the rotary column 8 rotates, the movable rod 30 is driven to move downwards, thereby driving the piston 11 to slide downwards, the piston 11 slides downwards, so that the pressure in the housing 2 is increased, the solution is extruded, the pressure of the solution is increased, the sliding plate 23 slides, when the sliding plate 23 slides, the fixing rod 22 leaves the third through hole 26 on the sliding plate 23, the solution flows out through the third through hole 26, the rotary plate 6 is continuously rotated, the solution can be completely extruded, the solution does not remain on the inner wall of the housing 2, only a small part of the solution remains in the liquid outlet pipe 4, but the influence on the solution measurement reading is negligible compared with the large area of the inner wall of the housing 2, and in the process that the piston 11 slides downwards, the slide block 14 is embedded in the first chute 12 at the bottom of the piston 11, the two form a whole, the bottom of the whole is smooth, so that the piston 11 can smoothly slide to the bottom in the shell 2, when the solution is poured, the spring 24 drives the sliding plate 23 to reset, then the bolt 20 is moved downwards, the bolt 20 limits the sliding plate 23, and then the rotating disc 6 is rotated to reset the piston 11.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides a chemometrics device with accurate count, includes base (1), the top fixed mounting of base (1) has shell (2), its characterized in that, the top of shell (2) is equipped with funnel (3), and the side fixed mounting of shell (2) has drain pipe (4) and calibrated scale (5), slidable mounting has piston (11) on the side inner wall of shell (2), and the top fixed mounting of shell (2) has ring (7), the top of ring (7) is rotated and is installed carousel (6), and the bottom fixed mounting of carousel (6) has rotary column (8), rotary column (8) and piston (11) cooperate, second spout (13) have been seted up on the inner wall of calibrated scale (5), and slidable mounting has slider (14) on second spout (13), and fixed mounting has pointer (16) on slider (14), pointer (16) cooperatees with calibrated scale (5), fourth through-hole (28) and fifth through-hole (29) have been seted up on piston (11), rotate seat (9) slidable mounting in fourth through-hole (28), spliced pole (18) slidable mounting in fifth through-hole (29), fixed mounting has rotation seat (9) on the bottom inner wall of shell (2), and rotary column (8) rotate to be installed in rotating seat (9), has seted up first through-hole (10) on rotating seat (9), fixed mounting has movable rod (30) in fourth through-hole (28), has seted up thread groove (27) on rotary column (8), and movable rod (30) movable mounting is in thread groove (27), and movable rod (30) movable mounting is in first through-hole (10).
2. The chemical metering device with the accurate counting function according to claim 1, wherein the bottom of the piston (11) is provided with a first sliding chute (12), the second sliding chute (13) is matched with the sliding block (14), and the inside of the sliding block (14) is provided with a cavity (15).
3. A chemical metering device with accurate counting according to claim 1, characterized in that the bottom of the funnel (3) is provided with a second through hole (17), one end of a connecting column (18) is fixedly arranged at the bottom of the funnel (3), and the other end of the connecting column (18) is fixedly arranged on the inner wall of the bottom of the housing (2).
4. The chemical metering device with the accurate counting function according to claim 1, wherein a limiting block (19) is fixedly installed on the side surface of the housing (2), a bolt (20) is slidably installed on the inner wall of the side surface of the housing (2), a jack is formed in the top of the liquid outlet pipe (4), the bolt (20) is movably installed in the jack, and the bolt (20) is matched with the limiting block (19).
5. A chemical metering device with accurate counting according to claim 1, characterized in that the inner wall of the liquid outlet pipe (4) is fixedly provided with a bracket (21), the bracket (21) is fixedly provided with a fixing rod (22), the inner wall of the liquid outlet pipe (4) is slidably provided with a sliding plate (23), and the sliding plate (23) is matched with the fixing rod (22).
6. The chemical metering device with the accurate counting function according to claim 1, wherein a fixing plate (25) is fixedly mounted on the inner wall of the liquid outlet pipe (4), third through holes (26) are formed in the fixing plate (25) and the sliding plate (23), and the fixing rod (22) is movably mounted in the third through hole (26) in the sliding plate (23).
7. A stoichiometry device with accurate counting according to claim 6, wherein one end of the spring (24) is fixedly mounted on the fixed plate (25), and the other end of the spring (24) is fixedly mounted on the sliding plate (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010432693.7A CN111579017B (en) | 2020-05-20 | 2020-05-20 | Chemical metering device with accurate counting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010432693.7A CN111579017B (en) | 2020-05-20 | 2020-05-20 | Chemical metering device with accurate counting |
Publications (2)
| Publication Number | Publication Date |
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| CN111579017A CN111579017A (en) | 2020-08-25 |
| CN111579017B true CN111579017B (en) | 2022-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010432693.7A Expired - Fee Related CN111579017B (en) | 2020-05-20 | 2020-05-20 | Chemical metering device with accurate counting |
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| CN (1) | CN111579017B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116295703B (en) * | 2023-05-16 | 2023-08-04 | 西安交通大学医学院第一附属医院 | Experimental measuring cylinder |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2159553Y (en) * | 1993-03-03 | 1994-03-23 | 姚凤起 | Metering funnel dipper |
| JP2008122229A (en) * | 2006-11-13 | 2008-05-29 | Tadao Tanizawa | Liquid metering device |
| CN206622123U (en) * | 2017-01-24 | 2017-11-10 | 袁明祥 | A kind of quantitative liquid taking device |
| CN109813389A (en) * | 2017-11-22 | 2019-05-28 | 余振 | A kind of high precision measuring cylinder |
| CN209034323U (en) * | 2018-09-03 | 2019-06-28 | 天津迪森梵特生物科技发展有限公司 | Graduated cylinder is used in a kind of production of waterless automobile cleaning solution |
| CN210108783U (en) * | 2019-05-05 | 2020-02-21 | 江苏中盛医学诊断试剂有限公司 | Sampling device for blood culture bottle |
-
2020
- 2020-05-20 CN CN202010432693.7A patent/CN111579017B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2159553Y (en) * | 1993-03-03 | 1994-03-23 | 姚凤起 | Metering funnel dipper |
| JP2008122229A (en) * | 2006-11-13 | 2008-05-29 | Tadao Tanizawa | Liquid metering device |
| CN206622123U (en) * | 2017-01-24 | 2017-11-10 | 袁明祥 | A kind of quantitative liquid taking device |
| CN109813389A (en) * | 2017-11-22 | 2019-05-28 | 余振 | A kind of high precision measuring cylinder |
| CN209034323U (en) * | 2018-09-03 | 2019-06-28 | 天津迪森梵特生物科技发展有限公司 | Graduated cylinder is used in a kind of production of waterless automobile cleaning solution |
| CN210108783U (en) * | 2019-05-05 | 2020-02-21 | 江苏中盛医学诊断试剂有限公司 | Sampling device for blood culture bottle |
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| CN111579017A (en) | 2020-08-25 |
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