CN105730891A - Liquid volume metering tool, container and method - Google Patents
Liquid volume metering tool, container and method Download PDFInfo
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- CN105730891A CN105730891A CN201610081335.XA CN201610081335A CN105730891A CN 105730891 A CN105730891 A CN 105730891A CN 201610081335 A CN201610081335 A CN 201610081335A CN 105730891 A CN105730891 A CN 105730891A
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- 239000007788 liquid Substances 0.000 title claims abstract description 184
- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000033001 locomotion Effects 0.000 claims abstract description 12
- 238000005259 measurement Methods 0.000 claims description 142
- 230000009466 transformation Effects 0.000 claims description 103
- 230000000977 initiatory effect Effects 0.000 claims description 22
- 230000008859 change Effects 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 238000000605 extraction Methods 0.000 abstract 3
- 230000000694 effects Effects 0.000 description 10
- 239000007789 gas Substances 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 230000006837 decompression Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000008157 edible vegetable oil Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000361 pesticidal effect Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
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- 231100000419 toxicity Toxicity 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D83/00—Containers or packages with special means for dispensing contents
- B65D83/0005—Containers or packages provided with a piston or with a movable bottom or partition having approximately the same section as the container
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- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention discloses a liquid volume metering tool, a container and a method. The metering tool comprises a variable pressure device, a metering channel, a liquid extraction channel and an outflow channel; the variable pressure device comprises a cavity and a piston capable of doing reciprocating movement in the cavity, and a space which is defined by the cavity and the piston and capable of generating pressure changes is a variable pressure cavity; the piston enables the interior of the variable pressure cavity to generate positive and negative pressure changes through the reciprocating motion; the initial end of the metering channel is communicated with the interior of the variable pressure cavity, and a valve is arranged between the metering channel and the liquid extraction channel or in the liquid extraction channel, is opened when it is at the negative pressure in the direction of the metering channel and is closed when it is at the positive pressure in the direction of the metering channel; a valve is arranged between the metering channel and the outflow channel or in the outflow channel, is opened when it is at the positive pressure in the direction of an outlet of the outflow channel and is closed when it is at the negative pressure in the direction of the outlet of the outflow channel; a liquid storage groove or opening is formed in the position, with the horizontal position lower than an end opening of the initial end of the metering channel, of the wall of the cavity; and the reciprocating motion of the piston can go cross the liquid storage groove or opening. The container is simple in structure, convenient to use and accurate in metering.
Description
Technical field
The present invention relates to the instrument of a kind of liquid volume metering, container and method, the liquid volume particularly with transformation chamber measures instrument and liquid container and the method that can measure liquid taking volume.
Background technology
People use in life and generally require accurate measurement liquid volume during liquid, and various reagent, liquid pesticidal, industrial chemicals, cleaning mixture, bacteria-removing liquid, edible oil, liquid drug etc. are taken in such as metering.These liquid is taken in metering, it will usually use metering outfit, such as graduated cylinder, measuring cup, pipet.Metering outfit is used to there is many drawbacks, the measured instrument waste of such as liquid, pollution；The volatilization of liquid toxicity, liquid oxidation by air；In transfer process, loss affects measuring accuracy etc..For this, have the new technique of self-measuring container in recent years to solve the problems referred to above.Using has the container of self-measuring function to hold aforesaid liquid, need not use external metrology instrument, it is possible to avoid above-mentioned many drawbacks when taking.
But, existing self-measuring container is when metering is taken, and the factor impact such as be operated in dynamics, speed of operation, container body in liquid volume, component for variable-pressure gas volume, liquid initial position in measurement channel is difficult to fix.Metering initial position can not be fixed, not only can interferometer precision, and operation ease can be affected.These all hinder the container popularization and application on a large scale of self-measuring function.
People's life needs a kind of liquid volume metering instrument or there is liquid meter measures the container by function, enable each process of taking accurately, convenient, making the measured liquid feed taken less by extraneous air or impurity effect.
Summary of the invention
In order to solve above-mentioned problems of the prior art, the present invention provides a kind of liquid volume metering instrument, including potential device, measurement channel, takes liquid passage, flow pass；
Described potential device includes cavity and the piston that can move back and forth in cavity, and the produced pressure change space that described cavity and described piston surround is transformation chamber；Described piston makes described transformation intracavity produce positive/negative pressure change by reciprocating motion；Described measurement channel initiating terminal is connected with described transformation intracavity portion；
At described measurement channel and described take between liquid passage or take in liquid passage described, open when arranging to described measurement channel direction negative pressure, malleation time the valve closed；
Between described measurement channel and described flow pass or in described flow pass, open when arranging to described flow pass Way out malleation, negative pressure time close valve；
The horizontal level described cavity wall lower than described measurement channel initiating terminal port arranges reservoir or opening；
The reciprocating motion of described piston can cross described reservoir or opening.
This liquid volume metering instrument, a metering taking-up process transformation intracavity has at least two transformation stages:
1, the negative pressure stage.Being displaced outwardly piston and produce negative pressure, make liquid enter and be full of measurement channel from taking liquid passage, excess liq flows out to transformation intracavity from measurement channel.Complete measurement channel liquid initial location.
2, the malleation stage.Moving inward piston, transformation intracavity produces malleation, makes liquid flow outwardly through measurement channel, flow pass.Trickle volume can be read from measurement channel.
Arranging when opening at metering outfit, also include equilibrium stage after the negative pressure stage, namely opening is positioned at the stage within transformation chamber.After the negative pressure stage, when piston continues to move to cross refluxing opening, moving to when making described opening be positioned at transformation intracavity portion, transformation intracavity external pressure is identical.Excess liq stops entering transformation chamber；The excess liq entering transformation chamber flows out from outward opening.Metering when taking pressurization open front be positioned at stage of transformation intracavity and fall within equilibrium stage.
This liquid volume metering instrument, opening is connection cavity wall breach outside transformation chamber；Further, opening can be communicated with catheter.Catheter is possible to prevent excess liq to pollute metering outfit, it is also possible to recycled by excess liq.When this opening is positioned at transformation intracavity, this opening can connect outside transformation chamber.
This liquid volume metering instrument, when reservoir is positioned at transformation intracavity portion, reservoir can temporarily store the excess liq entering transformation intracavity.When reservoir is positioned at outside, transformation chamber, reservoir internal liquid rocks lower outflow in action of gravity or operator.
This liquid volume metering tool construction is relatively easy, energy large-scale production, can reduce production cost；Be capable of in use quickly and easily metering, take out institute tolerant；Reaction is fast, and manipulation is felt；Can initial alignment, accurate measurement.This liquid volume metering instrument overcomes inconvenience, the drawback such as inaccurate that prior art liquid meter exists.
Instrument is measured for this liquid volume, it is possible to make measurement channel initiating terminal be positioned at transformation intracavity.The mode overall structure that this measurement channel initiating terminal is located immediately at transformation intracavity is simple, and location is directly accurately.
Instrument is measured for this liquid volume, it is possible to make measurement channel initiating terminal on described cavity wall or on described piston.The metering outfit piston stroke of this structure can be bigger, and during metering, reaction is fast, and manipulation is felt；Simple in construction.
Instrument is measured for this liquid volume, it is possible to make described measurement channel by transformation chamber described in pipeline communication, described measurement channel initiating terminal and described pipeline composition inverted U-shaped.When related valve be not closed completely close or pipe diameter cross thick grade, inverted U-shaped is possible to prevent in gas entrance measurement channel.
Instrument is measured for above-mentioned several liquid volumes, it is possible to make measurement channel initiating terminal port upwards.Port looks up conveniently, it is also possible to prevent inclusion of air measurement channel；It is favorably improved measuring accuracy.
Instrument is measured for this liquid volume, it is possible to make piston be connected to the elastomeric element making it reset.Piston is connected to the elastomeric element making it reset, and can make piston automatic-resetting, produce negative pressure, make in measurement channel hydraulically full, complete initial alignment in a kind of situation after malleation is taken out, ready for measuring taking-up next time.
The invention still further relates to a kind of liquid volume metering container, including container body and potential device, measurement channel, take liquid passage, flow pass；
Described potential device includes cavity and the piston that can move back and forth in cavity, and the produced pressure change space that described cavity and described piston surround is transformation chamber；Described piston makes described transformation intracavity produce positive/negative pressure change by reciprocating motion；Described measurement channel initiating terminal is connected with described transformation intracavity portion；
At described measurement channel and described take between liquid passage or take in liquid passage described, open when arranging to described measurement channel direction negative pressure, malleation time the valve closed；
Between described measurement channel and described flow pass or in described flow pass, open when arranging to described flow pass Way out malleation, negative pressure time close valve；
The horizontal level described cavity wall lower than described measurement channel initiating terminal port arranges reservoir or opening；
The reciprocating motion of described piston can cross described reservoir or opening.
Container is measured for this liquid volume, it is possible to making piston be connected to traction apparatus, described traction apparatus is stretched out outside described container body.This structure can realize manual operation.
Container is measured for this liquid volume, it is possible to make opening lead in container body.So can realize transformation intracavity liquid and flow back to inside container body, it is possible to again be removed utilization, it is prevented that withdrawing fluid is wasted or pollutes.
The invention still further relates to a kind of liquid meter and measure the method for using, comprise the following steps:
A, the piston pulled out in cavity, produce negative pressure, make transformation chamber apply negative pressure in measurement channel, makes liquid enter measurement channel through taking liquid passage；
After B, liquid are full of measurement channel, excess liq enters transformation chamber；
C, pull on piston so that it is cross the position being arranged on described cavity wall upper shed place, make transformation chamber link up with ambient atmos；Excess liq does not enter back into transformation chamber, and metering initial position is determined；The excess liq of transformation intracavity is outflowed by opening；
Described open horizontal position, and can with described transformation chamber ft connection lower than described measurement channel initiating terminal port；
Piston in D, inside push chamber body so that it is being reversely moved across described opening position, transformation chamber is hedged off from the outer world；
E, continue to press on piston compression transformation chamber, in measurement channel, add malleation, make in measurement channel liquid outflow through flow pass；From the liquid that measurement channel cup scale metered flows out.
The invention still further relates to another kind of liquid meter and measure the method for using, comprise the following steps:
A, the piston pulled out in cavity body, produce negative pressure, make transformation chamber apply negative pressure in measurement channel, makes liquid enter measurement channel through taking liquid passage；
After B, liquid are full of measurement channel, excess liq enters transformation chamber；
C, pull on piston so that it is crossing and be arranged on described cavity wall reservoir position, the excess liq of transformation intracavity enters reservoir；Stopping drag piston, excess liq does not enter back into transformation chamber, and metering initial position is determined；
Described reservoir horizontal level is lower than described measurement channel initiating terminal port；
Piston in D, inside push chamber body so that it is being reversely moved across reservoir position, transformation chamber is hedged off from the outer world；Liquid outflow in reservoir；
E, continue to press on piston compression transformation chamber, in measurement channel, add malleation, make in measurement channel liquid outflow through flow pass；From the liquid that measurement channel cup scale metered flows out.
Both liquid meters measure with method, simple to operate, easy to use, accurate measurement.It is suitable for ordinarily resident's daily use, also is adapted for scientific research personnel's delicate metering and uses；Can Manual push-pull operate, it is also possible to driven by power.
Accompanying drawing explanation
Fig. 1 is the structural representation of liquid volume metering instrument described in embodiment 1；
Fig. 2 is the structural representation of liquid container described in embodiment 2；
Fig. 3 is the structural representation of liquid volume metering instrument described in embodiment 3；
Fig. 4 is the structural representation of liquid container described in embodiment 4；
Fig. 5 is the structural representation of liquid container described in embodiment 5；
Fig. 6 is the structural representation of liquid container described in embodiment 6；
Fig. 7 is the structural representation of liquid container described in embodiment 7；
Fig. 8 is the structural representation of liquid container described in embodiment 8.
Detailed description of the invention
Embodiment 1
Fig. 1 show the structural representation of a kind of liquid volume metering instrument according to embodiment 1.This metering outfit includes potential device, measurement channel 8, takes liquid passage 11, flow pass 12.Flow pass 12 one end connects interface 162 on control valve 13, and the other end is flow export.Taking liquid passage 11 one end and connect interface 172 on control valve 13, the other end is liquid taking port.
Potential device is to make the parts of pressurization and decompression in transformation chamber 20, including cavity 2, piston 21；Arranging opening 22 on cavity 2, piston 21 connects electric device 23.The initial end of measurement channel 8 connects transformation chamber 20 by pipeline 19.Measurement channel 8 initial end and pipeline 19 form inverted U-shaped, and measurement channel 8 initial end port is upwards.
Measurement channel 8 other end connects the control valve 1 being made up of valve body 13 and spool 14, and connects with the center-aisle 15 in spool 14.Control valve body 13 3 passages of outer connection of valve 1: take liquid passage 11, flow pass 12 and measurement channel 8.The spool 14 controlling valve is arranged in valve body 13 internal cavities, it is possible to slide up and down in cavity, but liquid-tight envelope between spool 14 outer circumferential side and valve body 13 inwall.Having center-aisle 15 in spool 14, center-aisle 15 has interface 161, interface 171 in spool circumferential lateral surface.Valve body arranges interface 162 and interface 172.Interface 162 connects flow pass 12, and interface 172 connection takes liquid passage 11.
Different according to the position that spool 13 reciprocatingly slides in valve body 14, interface 161 has connected relation 3 kinds different with interface 162, interface 171 with interface 172: only has interface 161 and is connected with interface 162；All do not connect (state as shown in Figure 1) between interface 161 with interface 162 and between interface 171 with interface 172；Only it is connected between interface 171 with interface 172.In valve body 13, two ends are respectively provided with spring, and spring can make spool 14 be between interface 161 and interface 162 when not having external pressure and all disconnected position between interface 171 and interface 172.Valve body 13 lower end arranges pressure relief opening 18.
The flow export of flow pass 12 is positioned at outside metering outfit.
The step that liquid is taken out in the metering of this metering outfit is as follows:
When opening 22 is positioned at outside, transformation chamber 20, starting electric device 23, pull out piston 21, in transformation chamber 20, decompression is in negative pressure；It is negative pressure in measurement channel 8.
The spool 14 controlling valve 1 moves up under suction function, and interface 171 connects with interface 172 so that takes liquid passage 11 and is connected with measurement channel 8 by center-aisle 15；Liquid enters measurement channel 8 under suction function；When the tolerant measurement channel initial end that exceedes entering measurement channel 8, i.e. flow ipe 19, and then flow in transformation chamber 20.
When piston 21 move to opening 22 be positioned at transformation chamber 20 internal time, the inside and outside connection in transformation chamber 20, negative pressure is absent from, and measurement channel 8 liquid stops flowing.Spool 14 moves down under the effect of valve body 13 upper end spring, and interface 161 and interface 162, interface 171 and interface 172 are in open position.In pipeline 19, liquid flows under the influence of gravity into inside, transformation chamber 20.Transformation chamber 20 internal liquid flows out transformation chamber 20 from opening 22 under gravity.In measurement channel 8, liquid completes initial alignment.
When needing metering to take out, start electric device 23, inwardly promote piston 21, make piston cross opening 22 and pressurize in transformation chamber 20；It is malleation in measurement channel 8.
The spool 14 controlling valve 1 moves down at positive pressure, and interface 161 connects with interface 162 so that flow pass 12 is connected with measurement channel 8 by center-aisle 15；Liquid flows outwardly from measurement channel 8 through flow pass 12 at positive pressure.Scale 81 on measurement channel 8 may indicate that the volume of trickle.
Compared with traditional liquid volume metering instrument, this metering outfit is convenient, fast, accurate.
Embodiment 2
Fig. 2 show the structural representation of a kind of liquid container according to embodiment 2.This container measures in the liquid volume of embodiment 1 and with the addition of, on the basis of instrument, the container body holding liquid.
This container can directly measure the liquid taking in container body, it is not necessary to external tool, and liquid in container seldom contacts extraneous gas, by air or external metrology instrument oxidoreduction or pollution, will not can be subject to good protection.It is convenient to remove, quick, accurate to measure.
Embodiment 3
Fig. 3 show the structural representation of a kind of liquid volume metering instrument according to embodiment 3.
This metering outfit includes potential device, measurement channel 8, takes liquid passage 11, flow pass 12.Flow pass 12 one end connects and takes liquid passage 8, and the other end is flow export, arranges the check valve 121 can opened to flow export direction in passage.Taking the connection of liquid passage 11 one end and take liquid passage 8, the other end is liquid taking port, arranges the check valve 111 can opened to measurement channel 8 direction in passage.Measurement channel 8 major part coils the upper surface in metering outfit, above has scale 81, and the port 82 of the other end is positioned at transformation chamber 2, and port 82 is upwards.The measurement channel 8 that being longer than actual connection needs makes metering more accurate.
Potential device is to make the parts of pressurization and decompression in transformation chamber 2, including cavity 20, piston 21；Cavity 20 arranges opening 22, piston 21 cylinder lever connecting rod 23.Pull bar 23 is stretched outside metering outfit.Spring 24 can reset after piston 21 deviates equilibrium point.
The step that liquid is taken out in the metering of this metering outfit is as follows:
Opening 22 is when transformation chamber 2 is outside, and spring 24 is stretched, and piston 21 pulls at spring 24 and lower moves outside transformation chamber 2, reduces pressure, be negative pressure in measurement channel 8 in transformation chamber 2；Check valve 121 is closed, and check valve 111 is opened, and liquid enters measurement channel 8 from taking liquid passage 11, and excess liq enters in transformation chamber 2 through port 82.
Piston 21 crosses opening 22, and in transformation chamber 2, negative pressure disappears, and in measurement channel 8, liquid no longer flows, and measurement channel 8 completes initial alignment；In transformation chamber 2, liquid flows outwardly through opening 22.
When metering is taken out, inside pushing drawing rod 23, piston 21 pressurizes after crossing opening 22 in transformation chamber 2, is malleation in measurement channel 8；Check valve 111 is closed, and check valve 121 is opened, and liquid flows out along flow pass 12.Observe measurement channel 8 high scale 81, read the liquid volume flowed out.
This metering outfit is convenient, fast equally, accurate.
Embodiment 4
Fig. 4 show the structural representation of a kind of liquid container according to embodiment 4.This container measures in the liquid volume of embodiment 3 and with the addition of, on the basis of instrument, the container body storing liquid.
The same manner as in Example 2, this container can directly measure the liquid taking in container body, it is not necessary to external tool, seldom contacts extraneous gas, and liquid in container by air or external tool oxidoreduction or pollution, will not can be subject to good protection.Metering is taken out accurate, convenient, fast.
Embodiment 5
Fig. 5 show the structural representation of a kind of liquid container described in embodiment 5.This container includes container body 1 and potential device, measurement channel 6, takes liquid passage 7, flow pass 8.
Container body 1 sets filling exit, seals with the cooling gas check valve 11 only allowing access into container body 1 after fill.Container body 1 contained liquid 2.
Potential device includes cavity 4 and piston 21, arranges the opening 22 connecting catheter in cavity 4 bottom.Cylinder lever connecting rod 23 on piston 21, pull bar 23 outside transformation chamber 3 propelling container, pull bar 23 and cavity 4 intersection hermetic seal.Installing spring 24 on the downside of piston 21, spring 24 makes piston 23 automatically reset after deviateing setting position.
Measurement channel 6 initiating terminal 5 is opened on top, transformation chamber 3, coils nearly one week tailing edge container body 1 sidewall at container upper surface edge downward, subsequently enters bottom container body 1.Bottom container body 1, measurement channel 6 other end (destination terminal) connection takes liquid passage 7 and flow pass 8.
Take liquid passage 7 extremely short, be only an opening of measurement channel 6 destination terminal, inside set check valve 9.Check valve 9 allows liquid 2 in container body 1 to enter measurement channel 6, does not allow to flow backwards.
Flow pass 8 connects measurement channel 6, inside sets check valve 10.Check valve 10 only allows liquid to flow outwardly.
The step of liquid 2 in container body 1 is taken out in metering to be had:
If liquid fills with in measurement channel 6, piston is positioned at such as the position at Fig. 5 place, then pull up pull bar 23 so that it is cross opening 22 position, pressurizes in transformation chamber 3；Being malleation in measurement channel 6, check valve 9 is closed, and check valve 10 is opened, and the liquid in measurement channel 6 flows outwardly from flow pass 8.The volume of trickle can be read from the scale measurement channel.
After taking-up completes, stopping drag pull bar 23, piston 21 resets under the effect of spring 24, pulls piston 21 downwards, reduces pressure in transformation chamber 3；Being negative pressure in measurement channel 6, check valve 10 is closed, and check valve 9 is opened, and the liquid 2 in container body 1 enters measurement channel 6 from taking liquid passage 7.After measurement channel 6 is hydraulically full, excess liq enters transformation chamber 3；Piston 21 continues downward across opening 22, and in transformation chamber 3, liquid flows outwardly through opening 22, returns in container body 1.After piston 21 resets, in measurement channel 6, liquid stops mobile, completes initial alignment, and container is got ready for taking out next time.
If liquid underfill in measurement channel 6, piston 21 is positioned at above opening 22, then need first to push down on pull bar 23, makes piston 21 move down, makes in measurement channel 6 hydraulically full, and after completing initial alignment, metering is taken again.
This container can directly measure the liquid taking in container body；The existence of check valve 11 makes liquid 2 contact minimal amount of extraneous gas, and liquid in container oxidation by air will not reduce or pollute, and can be subject to good protection.Metering is taken out same convenient, accurate, quick.
Embodiment 6
Fig. 6 show the structural representation of a kind of liquid container described in embodiment 6.This container is compared with embodiment 5, and difference is the opening being not provided with connecting catheter in cavity 4 bottom, but the inner surface in cavity 4 bottom in axial direction arranges groove 22, and groove 22 is to direction opening in cavity 4.The present embodiment is identical with embodiment 5 principle, and groove 22 is equivalent to catheter, by outside the liquid drain in transformation chamber 3 to transformation chamber, groove 22 to the opening in direction in cavity 4 transformation chamber 3 interior section be equivalent to move with piston 21 and the opening of transform size.
Embodiment 7
Fig. 7 show the structural representation of a kind of liquid container described in embodiment 7.This container is compared with embodiment 5, difference is the opening being not provided with connecting catheter in cavity 4 bottom, but reservoir 22 is radially set on the inner surface of cavity 4 bottom, reservoir 22, to direction opening in cavity 4, can hold the liquid in excessive inflow transformation chamber 3.
Metering is taken the step of liquid 2 in container body 1 and is:
If liquid fills with in measurement channel 6, piston is positioned at such as the position at Fig. 5 place, then pull up pull bar 23 so that it is cross reservoir 22 position, pressurizes in transformation chamber 3；Being malleation in measurement channel 6, check valve 9 is closed, and check valve 10 is opened, and the liquid in measurement channel 6 flows outwardly from flow pass 8.The volume of trickle can be read from the scale measurement channel.In reservoir 22, liquid flows out reservoir 22 under gravity, enters in container body 1.
After taking-up completes, stopping drag pull bar 23, piston 21 resets under the effect of spring 24, drives piston 21 downwards, reduces pressure in transformation chamber 3；Being negative pressure in measurement channel 6, check valve 10 is closed, and check valve 9 is opened, and the liquid 2 in container body 1 enters measurement channel 6 from taking liquid passage 7.After measurement channel 6 is hydraulically full, excess liq enters transformation chamber 3；Piston 21 continues downward across reservoir 22, and excess liq enters reservoir 22.Piston 21 resets after stablizing, and in measurement channel 6, liquid stops mobile, completes initial alignment, and container is got ready for taking-up next time.
If liquid underfill in measurement channel 6, then need first to complete initial alignment, taking-up of then pressurizeing.
The liquid in container body is taken in the equally possible direct metering of the present embodiment container；Liquid in container is had good protection.It is quick and easy, accurate that metering is taken out.
Embodiment 8
Fig. 8 show the structural representation of a kind of liquid container according to embodiment 8.This container body 1 is cylindrical, contained liquid 2, additionally includes potential device, measurement channel 4, takes liquid passage 14 and flow pass.
Potential device is made up of cavity 20 and piston 21, and defined transformation chamber 3 can produce pressure change with the movement of piston 21.Cavity 20 bottom arranges opening 22, cylinder lever connecting rod 23 on piston 21, and pull bar 23 propelling container main body 1 is outside.Spring 24 connects piston and cavity 20, and stretchy piston 21 resets after deviation equilibrium point.
Measurement channel 4 initiating terminal 41 port upwards, is positioned at transformation chamber 3；Measurement channel 4 has scale 9；The connection of measurement channel 4 other end controls valve.
Control valve and include valve body 5 and spool 18.Measurement channel 4 tail end is seamless with the valve body 5 controlling valve to be connected, and a part for the similar measurement channel 4 of valve body 5, spool 18 can move left and right under the pressure effect of measurement channel 4 transmission in valve body 5.Valve body 5 has two interfaces, interface 14 and interface 15.Interface 14 connection takes liquid passage, leads in container body 1.Interface 15 connects the flow pass being made up of pipeline 16 and pipeline 6.Inner passage 13 in the middle of spool 18 is provided with interface 12, and interface 12 leads to valve body 5 inner surface, can connect with interface 14 or interface 15.Spring 17 and spring 19 can make spool 18 reset.Spool 18 interface 12 when equilibrium point is all disconnected with interface 14 and interface 15.The check valve 7 only allowing liquid to flow out to external container is set in pipeline 6.
Step tolerant in the taking-up container of this container is as follows:
Inside push-pull bar 23, makes piston 21 be moved to the left, and after crossing the opening 22 being arranged on cavity 20, produces malleation, pressurize in measurement channel 4 in transformation chamber 3；
Controlling valve inner spool 18 to move to the right under the pressure effect of measurement channel 4 side, make interface 12 be connected with interface 15, the liquid in measurement channel 4 flows outwardly along pipeline 16 and pipeline 6；Observe liquid level in measurement channel, read the volume taking out liquid；After arriving the volume needed, stop pushing drawing rod 23.Controlling valve inner spool 18 to be moved to the left under the effect of spring 19, interface 12 and interface 15 stagger.
Piston 21 moves right under the effect of spring 24, produces negative pressure in transformation chamber 3, transmits negative pressure in measurement channel 4；Controlling valve inner spool 18 to move to the left under the pressure effect of measurement channel 4 side, make interface 12 be connected with interface 14, in container body 1, liquid 2 enters measurement channel 4 from taking liquid passage 14；After measurement channel 4 is full of, excess liq enters transformation chamber 3.Piston 21 continues to move right, and after crossing the opening 22 being arranged on cavity 20, in transformation chamber 3, negative pressure disappears, and liquid stops entering measurement channel 4, and initial alignment completes；The excess liq entered in transformation chamber 3 flows out from opening 22.Controlling valve inner spool 18 to move right under the effect of spring 17, interface 12 and interface 14 stagger.
At this moment, container is got ready for taking out next time.
While there has been shown and described that some embodiments of the present invention, for the ordinary skill in the art, it is possible to understand that these embodiment correlation techniques can be carried out multiple change, amendment, replacement, modification and reconfigure without departing from the principles and spirit of the present invention.The scope of the present invention be defined by the appended.
Claims (10)
1. a liquid volume metering instrument, it is characterised in that include potential device, measurement channel, take liquid passage, flow pass；
Described potential device includes cavity and the piston that can move back and forth in cavity, and the produced pressure change space that described cavity and described piston surround is transformation chamber；Described piston makes described transformation intracavity produce positive/negative pressure change by reciprocating motion；Described measurement channel initiating terminal is connected with described transformation intracavity portion；
At described measurement channel and described take between liquid passage or take in liquid passage described, open when arranging to described measurement channel direction negative pressure, malleation time the valve closed；
Between described measurement channel and described flow pass or in described flow pass, open when arranging to described flow pass Way out malleation, negative pressure time close valve；
The horizontal level described cavity wall lower than described measurement channel initiating terminal port arranges reservoir or opening；
The reciprocating motion of described piston can cross described reservoir or opening.
2. liquid volume metering instrument as claimed in claim 1, it is characterised in that described measurement channel initiating terminal is positioned at described transformation intracavity, or is positioned on described cavity wall, or is positioned on described piston.
3. liquid volume metering instrument as claimed in claim 1, it is characterised in that described measurement channel is by transformation chamber described in pipeline communication, described measurement channel initiating terminal and described pipeline composition inverted U-shaped.
4. liquid volume metering instrument as claimed in claim 1, it is characterised in that described measurement channel initiating terminal port is upwards.
5. liquid volume metering instrument as claimed in claim 1, it is characterised in that described piston is connected to the elastomeric element making it reset.
6. a liquid volume metering container, it is characterised in that include container body, potential device, measurement channel, take liquid passage and flow pass；
Described potential device includes cavity and the piston that can move back and forth in cavity, and the produced pressure change space that described cavity and described piston surround is transformation chamber；Described piston makes described transformation intracavity produce positive/negative pressure change by reciprocating motion；Described measurement channel initiating terminal is connected with described transformation intracavity portion；
At described measurement channel and described take between liquid passage or take in liquid passage described, open when arranging to described measurement channel direction negative pressure, malleation time the valve closed；
Between described measurement channel and described flow pass or in described flow pass, open when arranging to described flow pass Way out malleation, negative pressure time close valve；
The horizontal level described cavity wall lower than described measurement channel initiating terminal port arranges reservoir or opening；
The reciprocating motion of described piston can cross described reservoir or opening.
7. liquid volume metering instrument as claimed in claim 6, it is characterised in that described piston is connected to linkage, and described linkage stretches out outside described container body.
8. liquid volume metering container as claimed in claim 6, it is characterised in that described opening leads in described container body.
9. a liquid meter measures by method, it is characterised in that comprise the following steps:
A, the piston pulled out in cavity, produce negative pressure, make transformation chamber apply negative pressure in measurement channel, makes liquid enter measurement channel through taking liquid passage；
After B, liquid are full of measurement channel, excess liq enters transformation chamber；
C, pull on piston so that it is cross the position being arranged on described cavity wall upper shed place, make transformation chamber link up with ambient atmos；Excess liq does not enter back into transformation chamber, and metering initial position is determined；The excess liq of transformation intracavity is outflowed by opening；
Described open horizontal position, and can with described transformation chamber ft connection lower than described measurement channel initiating terminal port；
Piston in D, inside push chamber body so that it is being reversely moved across described opening position, transformation chamber is hedged off from the outer world；
E, continue to press on piston compression transformation chamber, in measurement channel, add malleation, make in measurement channel liquid outflow through flow pass；From the liquid that measurement channel cup scale metered flows out.
10. a liquid meter measures by method, it is characterised in that comprise the following steps:
A, the piston pulled out in cavity body, produce negative pressure, make transformation chamber apply negative pressure in measurement channel, makes liquid enter measurement channel through taking liquid passage；
After B, liquid are full of measurement channel, excess liq enters transformation chamber；
C, pull on piston so that it is crossing and be arranged on described cavity wall reservoir position, the excess liq of transformation intracavity enters reservoir；Stopping drag piston, excess liq does not enter back into transformation chamber, and metering initial position is determined；
Described reservoir horizontal level is lower than described measurement channel initiating terminal port；
Piston in D, inside push chamber body so that it is being reversely moved across reservoir position, transformation chamber is hedged off from the outer world；Liquid outflow in reservoir；
E, continue to press on piston compression transformation chamber, in measurement channel, add malleation, make in measurement channel liquid outflow through flow pass；From the liquid that measurement channel cup scale metered flows out.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610081335.XA CN105730891B (en) | 2016-02-04 | 2016-02-04 | Liquid volume metering tool, container and method |
| PCT/CN2017/072789 WO2017133648A1 (en) | 2016-02-04 | 2017-01-30 | Instrument, container, and method for measuring liquid volume |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610081335.XA CN105730891B (en) | 2016-02-04 | 2016-02-04 | Liquid volume metering tool, container and method |
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| CN105730891B CN105730891B (en) | 2024-04-16 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105966782A (en) * | 2016-06-28 | 2016-09-28 | 北京红海科技开发有限公司 | Liquid taking tool, container and method |
| WO2016197967A1 (en) * | 2015-06-10 | 2016-12-15 | 北京红海科技开发有限公司 | Container and cover |
| CN106404098A (en) * | 2016-08-30 | 2017-02-15 | 深圳市有为环境科技有限公司 | Measuring system |
| WO2017133648A1 (en) * | 2016-02-04 | 2017-08-10 | 北京红海科技开发有限公司 | Instrument, container, and method for measuring liquid volume |
| CN107899627A (en) * | 2017-11-17 | 2018-04-13 | 北京红海科技开发有限公司 | The initial location system and method taken for liquid meter |
| CN108627212A (en) * | 2018-05-10 | 2018-10-09 | 北京红海科技开发有限公司 | Tool, container and the method taken for liquid meter |
| CN109436549A (en) * | 2018-11-26 | 2019-03-08 | 苏州市振华中学校 | A kind of liquid metering device |
| WO2019096319A1 (en) * | 2017-11-17 | 2019-05-23 | 北京红海科技开发有限公司 | Initial positioning system and method for liquid measuring and removing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006021837A (en) * | 2005-08-18 | 2006-01-26 | Junko Asano | Container for quantitatively discharging solution by quantifying air |
| CN202765568U (en) * | 2012-09-27 | 2013-03-06 | 北京红海科技开发有限公司 | Container |
| CN103508098A (en) * | 2012-06-27 | 2014-01-15 | 北京红海科技开发有限公司 | Container used in daily life |
| CN104603026A (en) * | 2012-06-27 | 2015-05-06 | 北京红海科技开发有限公司 | Container |
| CN205952721U (en) * | 2016-02-04 | 2017-02-15 | 北京红海科技开发有限公司 | Liquid volume measuring instrument and container |
-
2016
- 2016-02-04 CN CN201610081335.XA patent/CN105730891B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006021837A (en) * | 2005-08-18 | 2006-01-26 | Junko Asano | Container for quantitatively discharging solution by quantifying air |
| CN103508098A (en) * | 2012-06-27 | 2014-01-15 | 北京红海科技开发有限公司 | Container used in daily life |
| CN104603026A (en) * | 2012-06-27 | 2015-05-06 | 北京红海科技开发有限公司 | Container |
| US20150183570A1 (en) * | 2012-06-27 | 2015-07-02 | Beijing Red-Sea Tech Co., Ltd. | Container |
| CN202765568U (en) * | 2012-09-27 | 2013-03-06 | 北京红海科技开发有限公司 | Container |
| CN205952721U (en) * | 2016-02-04 | 2017-02-15 | 北京红海科技开发有限公司 | Liquid volume measuring instrument and container |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016197967A1 (en) * | 2015-06-10 | 2016-12-15 | 北京红海科技开发有限公司 | Container and cover |
| CN108137197A (en) * | 2015-06-10 | 2018-06-08 | 北京红海科技开发有限公司 | Container and lid |
| CN108137197B (en) * | 2015-06-10 | 2019-06-07 | 北京红海科技开发有限公司 | Container and lid |
| US10260925B2 (en) | 2015-06-10 | 2019-04-16 | Beijing Red-Sea Tech Co., Ltd. | Container and cover |
| WO2017133648A1 (en) * | 2016-02-04 | 2017-08-10 | 北京红海科技开发有限公司 | Instrument, container, and method for measuring liquid volume |
| CN105966782A (en) * | 2016-06-28 | 2016-09-28 | 北京红海科技开发有限公司 | Liquid taking tool, container and method |
| CN105966782B (en) * | 2016-06-28 | 2024-07-16 | 北京红海科技开发有限公司 | Liquid taking tool, container and method |
| CN106404098A (en) * | 2016-08-30 | 2017-02-15 | 深圳市有为环境科技有限公司 | Measuring system |
| CN106404098B (en) * | 2016-08-30 | 2019-11-22 | 深圳市有为环境科技有限公司 | A kind of metering system |
| WO2019096319A1 (en) * | 2017-11-17 | 2019-05-23 | 北京红海科技开发有限公司 | Initial positioning system and method for liquid measuring and removing |
| US11253851B2 (en) * | 2017-11-17 | 2022-02-22 | Beijing Red-Sea Tech Co., Ltd. | Initial positioning system and method for liquid measuring and removing |
| CN107899627A (en) * | 2017-11-17 | 2018-04-13 | 北京红海科技开发有限公司 | The initial location system and method taken for liquid meter |
| CN108627212A (en) * | 2018-05-10 | 2018-10-09 | 北京红海科技开发有限公司 | Tool, container and the method taken for liquid meter |
| CN109436549A (en) * | 2018-11-26 | 2019-03-08 | 苏州市振华中学校 | A kind of liquid metering device |
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