CN109999936A - High-precision quantitative liquid-transfering gun applied to biology/chemical industry/medicine test, detection - Google Patents
High-precision quantitative liquid-transfering gun applied to biology/chemical industry/medicine test, detection Download PDFInfo
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- CN109999936A CN109999936A CN201910346614.8A CN201910346614A CN109999936A CN 109999936 A CN109999936 A CN 109999936A CN 201910346614 A CN201910346614 A CN 201910346614A CN 109999936 A CN109999936 A CN 109999936A
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- coarse adjustment
- liquid
- fine tuning
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- 239000003814 drug Substances 0.000 title claims abstract description 16
- 238000001514 detection method Methods 0.000 title claims abstract description 15
- 239000000126 substance Substances 0.000 title claims abstract description 15
- 238000012360 testing method Methods 0.000 title claims abstract description 15
- 238000009434 installation Methods 0.000 claims abstract description 125
- 239000007788 liquid Substances 0.000 claims abstract description 122
- 230000008859 change Effects 0.000 claims abstract description 22
- 230000001360 synchronised effect Effects 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims description 77
- 230000005540 biological transmission Effects 0.000 claims description 32
- 230000005465 channeling Effects 0.000 claims description 15
- 230000033001 locomotion Effects 0.000 claims description 15
- 238000005213 imbibition Methods 0.000 claims description 13
- 230000008261 resistance mechanism Effects 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 5
- 238000005538 encapsulation Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 12
- 230000006872 improvement Effects 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/02—Burettes; Pipettes
- B01L3/021—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids
- B01L3/0213—Accessories for glass pipettes; Gun-type pipettes, e.g. safety devices, pumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/02—Burettes; Pipettes
- B01L3/0289—Apparatus for withdrawing or distributing predetermined quantities of fluid
- B01L3/0293—Apparatus for withdrawing or distributing predetermined quantities of fluid for liquids
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Devices For Use In Laboratory Experiments (AREA)
Abstract
The present invention provides be applied to biology/chemical industry/medicine test, the high-precision quantitative liquid-transfering gun of detection, including gun housing, liquid-transfering device for quantitative liquid getting is installed in gun housing, for adjusting the liquid amount adjusting apparatus of liquid-transfering device liquid-taken amount, for changing synchronous change to the limiting device for limiting distance and making liquid-transfering device quantitative liquid getting of liquid-transfering device according to the data of liquid amount adjusting apparatus, the gripping hole held for user is provided in the gun housing, installation set is additionally provided in gun housing, installation set is provided with three groups and is followed successively by installation set one along the length direction of gun housing and by pipette tips direction gun breech, installation set two, installation set three.
Description
Technical field
The present invention relates to experiment equipment technical fields, and in particular to a kind of liquid-transfering gun.
Background technique
Liquid-transfering gun is one kind of pipettor, is usually used in that laboratory is a small amount of or micro liquid pipettes, in biology, medicine and change
It in etc. experimentations, needs to widely apply liquid-transfering gun repeatedly, current general liquid-transfering gun is all manual hand manipulation to carry out
The absorption of liquid or unloading liquid, so that the amount that liquid-transfering gun draws liquid is not easy to control, to the qualification and operation of user
Technology is all a huge test, causes the operating accuracy of liquid-transfering gun low, and draws liquid velocity manually and be difficult to control, slightly
It is possible to will lead to suck-back if fast absorption, not only contaminated fluid but also meeting corrosion contamination liquid-transfering gun, lead to making for liquid-transfering gun
With reduced lifetime, and since the upper end of liquid-transfering gun is all unenclosed construction, piston rod stretches out the reciprocating motion of the body of a gun, and being easy will
Introduced contaminants are brought into the body of a gun, cause the pollution of the body of a gun, or even also will affect the sealing performance of piston and the body of a gun, therefore its is close
It is poor to seal effect.
Summary of the invention
To solve the deficiencies in the prior art, the object of the present invention is to provide a kind of liquid-transfering gun, with pipetting liquid with high precision,
Entire pipetting processes are slowly and steady smooth, further increase the liquid relief precision of this liquid-transfering gun.
To realize the above-mentioned technical purpose, the technical solution adopted in the present invention is as follows.
Applied to the high-precision quantitative liquid-transfering gun of biology/chemical industry/medicine test, detection, including gun housing, it is equipped in gun housing
For the liquid-transfering device of quantitative liquid getting, the liquid amount adjusting apparatus for adjusting liquid-transfering device liquid-taken amount, for being adjusted according to liquid measure
The data of device change synchronous change to the limit distance of liquid-transfering device and make the limiting device of liquid-transfering device quantitative liquid getting；
It is provided with the gripping hole held for user in the gun housing, installation set, installation set setting are additionally provided in gun housing
There are three groups and is followed successively by installation set one, installation set two, installation set three along the length direction of gun housing and by pipette tips direction gun breech.
Further improvement as the technical program.
The liquid-transfering device includes the control whether opened for the pipetting device of quantitative liquid getting, for controlling pipetting device
Mechanism processed；
The pipetting device includes pipette tips, liquid storage cylinder, liquid relief component, and pipette tips are fixedly installed in installation set one away from installation set two
Side, liquid storage cylinder is set between installation set one and installation set two, and liquid storage cylinder is that extending direction is parallel to gun housing length direction
And circular tube structure open at one end, closed at one end, and its open end is towards installation set three, the open end of liquid storage cylinder and peace
It is provided with fastener between encapsulation two and installation is fixed by fastener between the two, the closed end of liquid storage cylinder is provided with company
It connects to connect between mouth and connection mouth and pipette tips and connect；
The liquid relief component includes piston rod, piston, liquid relief spring, and piston is set in liquid storage cylinder and constitutes between the two close
The cooperation of envelope formula slide-and-guide, the region between piston and liquid storage cylinder closed end is liquid storage area, and piston rod is coaxially arranged with liquid storage cylinder,
One end of piston rod is fixedly connected with the piston, the other end be located at installation set three away from installation set one side and the end be provided with to
Touch panel, liquid relief spring pocket are set to piston rod and are located at the portion of external that installation set three deviates from installation set one, and the elastic force of liquid relief spring
Piston is set to do the movement far from liquid storage cylinder closed end, liquid relief spring is compressive state.
Further improvement as the technical program.
The control mechanism includes control block, guide post, control spring, control panel, the gripping for being set to gun housing
Hole is provided with guide groove far from the hole wall of installation set one, and guide groove slot bottom offers pilot hole, and pilot hole can axially divide along itself
It for two parts and is respectively the guide section close to guide groove, the limit section far from guide groove, the diameter for limiting section is greater than guide section
Diameter；
The control block is set in guide groove and constitutes between the two slide-and-guide cooperation, the guide post coaxial arrangement in
It in pilot hole and constitutes slide-and-guide between the two to cooperate, one end that guide post is located in pilot hole limit section is provided with limiting stand
Rank, the other end of guide post are located in guide groove and are fixedly connected with control block, and the control spring pocket is located at set on guide post leads
Portion of external into slot, and the elastic force for controlling spring makes control block do the movement far from guide groove slot bottom；
It is additionally provided in the gun housing and accommodates inner cavity, accommodated inner cavity and be located at the underface of installation set three and connect between the two
Logical, the hole wall for holding hole, which is also provided with, connect the guide hole connected with receiving inner cavity, and the channeling direction of guide hole is parallel to guide post extension
Direction, the piston rod, which is located at, accommodates the control flume that the part right above inner cavity is provided with structure in a ring；
The control panel, which is set to, to be accommodated interior intracavitary and constitutes the cunning that channeling direction is parallel to guide post extending direction between the two
Action-oriented cooperation, control panel are located in control flume towards the end of piston rod, and control panel is and control towards the end of piston rod
The globoidal structure that slot matches；
The side of the control panel towards control block offers connecting hole, and the control block is arranged towards the side of control panel
There is connection bump, and the free end of connection bump is located in connecting hole.
Further improvement as the technical program.
The liquid-transfering device is additionally provided with for providing resistance for pipetting device and making the resistance mechanism of its slow imbibition；
Resistance inner cavity is additionally provided in the gun housing, and resistance inner cavity is located at the side that receiving inner cavity deviates from installation set one, and
And connect and connect between resistance inner cavity and installation set three, gun housing is also provided with away from the side of installation set three and connect with resistance inner cavity
The threaded hole of connection；
The resistance mechanism be set to it is intracavitary in resistance, resistance mechanism include movable support, resistance wheel, adjust bolt, resistance
Spring, resistance wheel is movably installed on movable support and can axially rotate around itself, and resistance wheel and plunger rod contacts；
The adjusting bolt is set in threaded hole and is threadedly coupled between the two, one end of the resistance spring and adjusting
It is bolted, the connection of the other end and movable support, the elastic force of resistance spring makes movable support do the relative motion close to piston rod
Trend.
Further improvement as the technical program.
The liquid amount adjusting apparatus is set between installation set two and installation set three, and liquid amount adjusting apparatus includes for making
User carries out the coarse adjustment mechanism of coarse adjustment, the micro-adjusting mechanism being finely adjusted for user, for showing that coarse adjustment/fine tuning result is aobvious
Show mechanism；
The indication mechanism includes installation shell, display panel, and installation shell is the shell structure of both ends open, and installs shell
An open end be fixedly installed in installation set two, display panel is fixedly installed in the outside of installation shell, installs and also opens up on shell
There is the perforating one for being right against display panel, the perforating two coaxially arranged with perforating one is offered on display panel.
Further improvement as the technical program.
The coarse adjustment mechanism includes coarse adjustment rotating cylinder, coarse adjustment transmission member, coarse adjustment axis, and coarse adjustment axis is axially perpendicular to piston
Bar is axial and perpendicular to the extending direction of guide post, and coarse adjustment axis is movably installed in installation shell and can axially rotate around itself, and
One end of coarse adjustment axis passes through perforating one and perforating two and is located at display panel away from the side of installation shell, and the end is arranged
There is coarse adjustment pointer；
The coarse adjustment rotating cylinder is the cylindrical tube structure that the coarse adjustment transcapsidation by two groups in semicolumn cylinder is constituted, and coarse adjustment rotating cylinder
Both ends open is simultaneously coaxially arranged with piston rod, an open end of coarse adjustment rotating cylinder and installation shell away from the open end of installation set one it
Between activity installation, and coarse adjustment rotating cylinder can around itself axially rotate；
The coarse adjustment transmission member is set in installation shell, and coarse adjustment transmission member includes gear ring, intermediate gear one, jackshaft
One, it is provided with fixing piece between gear ring and coarse adjustment rotating cylinder and is fixedly and coaxially connected between the two by fixing piece, jackshaft
One piston rod that is axially parallel to is movably installed in installation shell to, jackshaft one and can be around itself axial rotation, center tooth
Wheel one is fixedly sheathed in one outside of jackshaft and engages with gear ring；
The coarse adjustment transmission member further includes coarse adjustment worm screw, coarse adjustment turbine, jackshaft two, between coarse adjustment worm screw and jackshaft one
It is fixedly and coaxially connected, jackshaft two is axially parallel to coarse adjustment axis axial direction, and jackshaft two is movably installed in installation shell and can
It is axially rotated around itself, coarse adjustment turbine is fixedly sheathed in two outside of jackshaft and engages with coarse adjustment worm screw；
The coarse adjustment transmission member further includes intermediate gear two, coarse adjustment gear, and intermediate gear two is fixedly sheathed in jackshaft two
Outside, coarse adjustment gear are fixedly sheathed in outside coarse adjustment axis and engage with intermediate gear two.
Further improvement as the technical program.
The micro-adjusting mechanism includes fine tuning rotating cylinder, fine tuning transmission member, fine adjustment shaft, and fine adjustment shaft is circular cylinder structure,
The coaxial pivot bush unit of fine adjustment shaft is outside coarse adjustment axis and each autorotation of the two is non-interference, and one end of fine adjustment shaft is located at display panel back
Side from installation shell, and the end is provided with fine tuning pointer；
The fine tuning rotating cylinder is the cylindrical tube structure that the fine tuning transcapsidation for forming semicolumn cylinder by two is constituted, and finely tunes rotating cylinder
Both ends open is simultaneously coaxially arranged with piston rod, finely tune be flexibly connected between an open end of rotating cylinder and the open end of coarse adjustment rotating cylinder,
It is flexibly connected between another open end and installation set three, and finely tune rotating cylinder can axially rotate around itself；
The fine tuning transmission member includes fine tuning worm screw, fine tuning turbine, jackshaft three, and fine tuning worm screw coaxially offers sets of holes,
Fine tuning worm screw is coaxially movably set in outside piston rod and fine tuning worm screw can axially rotate around itself, finely tune one end of worm screw with it is micro-
Cylinder is turned towards carrying out being connected by power transmitting in a manner of key connection between the open end of installation set three, finely tunes the other end position of worm screw
In in installation shell；
The jackshaft three is axially parallel to fine adjustment shaft axial direction, and jackshaft three is movably installed in installation shell and can be around certainly
Body axially rotates, and fine tuning turbine is fixedly sheathed in three outside of jackshaft and engages with fine tuning worm screw；
The fine tuning transmission member further includes intermediate gear three, intermediate gear four, jackshaft four, and the axial direction of jackshaft four is parallel
In fine adjustment shaft axial direction, jackshaft four is movably installed in installation shell and can axially rotate around itself, three fixing sleeve of intermediate gear
It is connected to outside jackshaft three, intermediate gear four is fixedly sheathed in four outside of jackshaft and engages with intermediate gear three；
The fine tuning transmission member further includes intermediate gear five, fine tuning gear, and intermediate gear five is fixedly sheathed in jackshaft four
Outside, fine tuning gear are fixedly sheathed in outside fine adjustment shaft and engage with intermediate gear five.
Further improvement as the technical program.
The limiting device includes for changing limit of the synchronous change to liquid-transfering device according to the data of coarse adjustment mechanism
The coarse adjustment synchronization mechanism of distance, for according to the data of micro-adjusting mechanism change synchronous change coarse adjustment synchronization mechanism to liquid-transfering device
Limit the fine tuning synchronization mechanism of distance；
The coarse adjustment synchronization mechanism includes limited post, coarse adjustment knob set, and limited post is circular cylinder structure, and limited post is coaxially lived
It is dynamic to be socketed on outside fine tuning worm screw, and offered on limited post for finely tuning the avoid holes engaged between worm screw and fine tuning turbine,
One end of limited post is located in coarse adjustment rotating cylinder, the other end is located in liquid storage cylinder and the end is positive stop end, limited post and coarse adjustment rotating cylinder
Between be provided with guiding parts one, guiding parts one is to be set to guide protrusions one inside coarse adjustment rotating cylinder, be set to limited post
External pilot hole one constitutes the slide-and-guide that channeling direction is parallel to limited post axial direction between guide protrusions one and pilot hole one
Cooperation；
The coarse adjustment knob set is circular cylinder structure, and coarse adjustment knob set coaxial sleeve is set to outside limited post, coarse adjustment knob
It is provided with screw element between set and limited post and is attached between the two by screw element one, screw element one includes being set to slightly
Adjust the internal screw thread one inside screw-casing, the external screw thread one being set to outside limited post；
Guiding parts two is provided between the coarse adjustment knob set and coarse adjustment rotating cylinder, guiding parts two includes being set to coarse adjustment to turn
The internal guide protrusions two of cylinder, be set to coarse adjustment knob cover outside pilot hole two, structure between guide protrusions two and pilot hole two
The axial slide-and-guide cooperation of coarse adjustment knob set is parallel at channeling direction；
The end of the coarse adjustment knob set towards micro-adjusting mechanism is connect with fine tuning synchronization mechanism.
Further improvement as the technical program.
The fine tuning synchronization mechanism is set in fine tuning rotating cylinder, and fine tuning synchronization mechanism includes interlocking set, screw set,
Interlock set be circular cylinder structure, interlock set coarse adjustment knob set between be provided with connector and between the two by connector into
Row is coaxially connected, and connector is semi-circular column structure, and one end and the coarse adjustment knob of connector cover coaxial fixation, the other end is located at
Coarse adjustment knob set is provided with built-in step towards the side and the end for interlocking set, and connector is provided with two groups and about coarse adjustment knob
Set is axial to be symmetric, and the region between step built in two groups and coarse adjustment knob set is bonding pad, and the one end for interlocking set is located at
In the bonding pad and end is provided with external step, constitutes and is rotatably assorted between external step and bonding pad；
The gearing set is also coaxially socketed on outside limited post, is interlocked and is provided with guiding parts three between set and limited post, leads
It include the guide protrusions three being set to interlock inside set, the pilot hole three being set to outside limited post, guide protrusions to component three
The slide-and-guide cooperation that channeling direction is parallel to limited post axial direction is constituted between three and pilot hole three；
The screw set is circular cylinder structure, is provided with screw element two and the two between screw set and gearing set
Between be attached by screw element two, screw element two includes being set to internal screw thread two inside screw set, the company of being set to
External screw thread two outside dynamic set；
The screw set is also coaxially fixedly installed in fine tuning rotating cylinder.
The beneficial effect of the present invention compared with prior art is that user can be by being adjusted liquid amount adjusting apparatus
And then change the limit distance between limiting device and liquid-transfering device, so that the liquid relief amount of this liquid-transfering gun and actually required liquid-taken amount
It matches, while liquid amount adjusting apparatus matches realization adjustment purpose with the coarse adjustment of coarse adjustment mechanism, micro-adjusting mechanism fine tuning, so that this shifting
The liquid relief precision of liquid rifle is higher, and in addition to this, the resistance mechanism in liquid-transfering device applies resistance to pipetting device, so that entire move
The pipetting processes of liquid device are more slowly and steady smooth, further increase the liquid relief precision of this liquid-transfering gun.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is structural schematic diagram of the invention.
Fig. 3 is structural schematic diagram of the invention.
Fig. 4 is structural schematic diagram of the invention.
Fig. 5 is the cooperation figure of gun housing and liquid-transfering device of the invention.
Fig. 6 is the structural schematic diagram of gun housing of the invention.
Fig. 7 is the cooperation figure of gun housing and pipetting device of the invention.
Fig. 8 is the structural schematic diagram of pipetting device of the invention.
Fig. 9 is the cooperation figure of control mechanism of the invention, resistance mechanism, piston rod.
Figure 10 is the cooperation figure of liquid amount adjusting apparatus and limiting device of the invention.
Figure 11 is the structural schematic diagram of liquid amount adjusting apparatus of the invention.
Figure 12 is the cooperation figure of coarse adjustment rotating cylinder and fine tuning rotating cylinder of the invention.
Figure 13 is the structural schematic diagram of coarse adjustment transmission member of the invention.
Figure 14 is the structural schematic diagram of fine tuning transmission member of the invention.
Figure 15 is the partial structural diagram of fine tuning transmission member of the invention.
Figure 16 is the structural schematic diagram of limiting device of the invention.
Figure 17 is the structural schematic diagram of coarse adjustment synchronization mechanism of the invention.
Figure 18 is the cooperation figure of fine tuning synchronization mechanism and coarse adjustment knob set of the invention.
Specific embodiment
The present invention carries out quantitative liquid relief to liquid by liquid-transfering device and is advantageous in that user can be by liquid measure tune
Engagement positions are adjusted and then change the limit distance between limiting device and liquid-transfering device so that the liquid relief amount of this liquid-transfering gun with
Actually required liquid-taken amount matches, while liquid amount adjusting apparatus is matched realization and adjusted with the coarse adjustment of coarse adjustment mechanism, micro-adjusting mechanism fine tuning
Whole purpose, so that the liquid relief precision of this liquid-transfering gun is higher, in addition to this, the resistance mechanism in liquid-transfering device applies pipetting device
Resistance further increases the shifting of this liquid-transfering gun so that the pipetting processes of entire liquid-transfering device are more slowly and steady smooth
Liquid precision.
It is tested applied to biology/chemical industry/medicine, the high-precision quantitative liquid-transfering gun of detection, including gun housing 100, in gun housing 100
Liquid-transfering device 200 for quantitative liquid getting is installed, the liquid amount adjusting apparatus 300 for adjusting 200 liquid-taken amount of liquid-transfering device, is used
In changing synchronous change to the limit of liquid-transfering device 200 distance according to the data of liquid amount adjusting apparatus 300 and make liquid-transfering device 200
The limiting device 400 of quantitative liquid getting.
User adjusts liquid amount adjusting apparatus 300 according to actually required liquid-taken amount, during liquid amount adjusting apparatus 300 adjusts
Its limit distance to liquid-transfering device 200 of 400 synchronous adjustment of limiting device is drawn, and limit distance is made to take liquid with actually required
Amount matches, and then user carries out imbibition processing to liquid by liquid-transfering device 200, until liquid-transfering device 200 and limit fill
400 contacts are set, liquid-transfering device 200 stops 200 liquid absorption amounts of imbibition and liquid-transfering device equal to actually required liquid-taken amount at this time, and
Taken liquid is put into container by user by liquid-transfering device 200 afterwards, and so far liquid relief finishes.
It is provided with the gripping hole held for user in the gun housing 100, is additionally provided with installation set in gun housing 100,
Installation set is provided with three groups and is followed successively by installation set 1, installation set along the length direction of gun housing 100 and by pipette tips direction gun breech
2 130, installation set 3 140.
The liquid-transfering device 200 includes being for the pipetting device 210 of quantitative liquid getting, for controlling pipetting device 210
The control mechanism 220 of no unlatching.
The pipetting device 210 includes pipette tips 211, liquid storage cylinder 212, liquid relief component, and pipette tips 211 are fixedly installed in installation
One 120 sides for deviating from installation set 2 130 are covered, liquid storage cylinder 212 is set between installation set 1 and installation set 2 130, liquid storage
Cylinder 212 is parallel to 100 length direction of gun housing and circular tube structure open at one end, closed at one end, and its for extending direction
Open end towards installation set 3 140, be provided between the open end and installation set 2 130 of liquid storage cylinder 212 fastener and the two it
Between installation is fixed by fastener, the closed end of liquid storage cylinder 212 is provided with connection mouth and connects between connection mouth and pipette tips 211
It connects.
The liquid relief component includes piston rod 213, piston 214, liquid relief spring 216, and piston 214 is set to liquid storage cylinder
Sealed slide-and-guide cooperation is constituted in 212 and between the two, the region between 212 closed end of piston 214 and liquid storage cylinder is storage
Liquid zone, piston rod 213 and liquid storage cylinder 212 are coaxially arranged, and one end of piston rod 213 is fixedly connected with piston 214, the other end is located at
Installation set 3 140 deviates from the side of installation set 1 and the end is provided with and contradicts plate 215, and liquid relief spring 216 is sheathed on piston rod
213 are located at the portion of external that installation set 3 140 deviates from installation set 1, and the elastic force of liquid relief spring 216 does piston 214 far
Movement from 212 closed end of liquid storage cylinder, liquid relief spring 216 are compressive state.
Control mechanism 220 cancels the limitation to pipetting device 210, and pipetting device 210 starts imbibition, specifically: liquid relief bullet
The elastic force of spring 216 makes piston 214 do the movement far from 212 closed end of liquid storage cylinder by piston rod 213, so that the pressure of liquid storage area
It reduces, so that liquid be made to be drawn through pipette tips 211 to liquid storage area；
After 210 imbibition of pipetting device, user's pressable contradicts plate 215, and leans on piston 214 by piston rod 213
The movement of nearly 212 closed end of liquid storage cylinder, so that the liquid in liquid storage area be made to be injected in container through pipette tips 211.
The control mechanism 220 includes control block 221, guide post 222, control spring 223, control panel 224, and described sets
The gripping hole 110 for being placed in gun housing 100 is provided with guide groove far from the hole wall of installation set 1, and guide groove slot bottom offers guiding
Hole, pilot hole can axially be divided into two parts along itself and be respectively the limit section of the guide section of close guide groove, separate guide groove,
The diameter for limiting section is greater than the diameter of guide section.
The control block 221 is set in guide groove and constitutes slide-and-guide cooperation, the guide post 222 between the two
It is coaxially disposed in constituting slide-and-guide cooperation in pilot hole and between the two, guide post 222 is located at pilot hole and limits one end in section
It is provided with limited step, the other end of guide post 222 is located in guide groove and is fixedly connected with control block 221, the control bullet
Spring 223 is sheathed on the portion of external that guide post 222 is located in guide groove, and to do control block 221 separate for the elastic force for controlling spring 223
The movement of guide groove slot bottom.
It is additionally provided in the gun housing 100 and accommodates inner cavity, accommodate underface and the two that inner cavity is located at installation set 3 140
Between connect and connect, the hole wall for holding hole 110 is also provided with puts down with the guide hole that accommodates inner cavity and connect connection, the channeling direction of guide hole
In 222 extending direction of guide post, the piston rod 213 is located to be accommodated the part right above inner cavity and is provided with structure in a ring row
Control flume.
The control panel 224 is set to intracavitary in receiving and constitutes channeling direction between the two and be parallel to guide post 222 and prolong
The slide-and-guide cooperation in direction is stretched, control panel 224 is located in control flume towards the end of piston rod 213, it is preferred that control panel
224 towards the end of piston rod 213 be the globoidal structure to match with control flume.
The side of control panel 224 towards the control block 221 offers connecting hole, and the control block 221 is towards control
The side of making sheet 224 is provided with connection bump, and the free end of connection bump is located in connecting hole.
User is by fluid pressure controlling block 221 and it is made to do the movement close to guide groove slot bottom, and control block 221 moves and draws control
Making sheet 224 moves synchronously, and control panel 224 is finally made to be detached from the control flume for being set to piston rod 213, and pipetting device 210 can carry out
Imbibition is loosed one's grip after imbibition；
Pipetting device 210 is by during in liquid injection to container, the movement of piston rod 213 and 224 end of control panel is right against
When annular groove, the elastic force of control spring 223 is located at 224 end of control panel in annular groove again, and so far control mechanism 220 is extensive
Again to original state.
More specifically, due to being dynamic using the elastic force of liquid relief spring 216 as driving in 210 imbibition process of pipetting device
Power will cause liquid and fail to be drawn to liquid storage area in time so that the time used in the pipetting processes of pipetting device 210 is shorter,
Actually required amount is not met so as to cause the amount of liquid of absorption, in order to solve this problem, the liquid-transfering device 200 is also set up
Have for providing resistance for pipetting device 210 and making the resistance mechanism 230 of its slow imbibition.
Resistance inner cavity is additionally provided in the gun housing 100, and resistance inner cavity is located at receiving inner cavity and deviates from installation set 1
Side, and connect and connect between resistance inner cavity and installation set 3 140, gun housing 100 is also opened away from the side of installation set 3 140
Equipped with the threaded hole for connecting connection with resistance inner cavity.
The resistance mechanism 230 be set to it is intracavitary in resistance, resistance mechanism 230 include movable support 231, resistance wheel
232, bolt 233, resistance spring 234 are adjusted, resistance wheel 232 is movably installed on movable support 231 and can axially turn around itself
It is dynamic, and resistance wheel 232 is contacted with piston rod 213.
The adjusting bolt 233 is set in threaded hole and is threadedly coupled between the two, the resistance spring 234
One end is connect with adjusting bolt 233, the other end and movable support 231 connect, and the elastic force of resistance spring 234 makes movable support 231
Do the relative motion trend close to piston rod 213.
In 210 imbibition process of pipetting device, the frictional force between resistance wheel 232 and piston rod 213 increases pipetting device
210 imbibition time, so that imbibition process is slowly and steady smooth, while user can adjust bolt 233 by rotation and change
The decrement of resistance spring 234, to change the frictional force between resistance wheel 232 and piston rod 213.
The liquid amount adjusting apparatus 300 is set between installation set 2 130 and installation set 3 140, liquid amount adjusting apparatus
300 include the coarse adjustment mechanism 310 of coarse adjustment, the micro-adjusting mechanism 320 being finely adjusted for user being carried out for user, for showing
Show coarse adjustment/fine tuning result indication mechanism.
The indication mechanism includes installation shell, display panel, and installation shell is the shell structure of both ends open, and installs
One open end of shell is fixedly installed in installation set 2 130, and display panel is fixedly installed in the outside of installation shell, installs on shell
It is also provided with the perforating one for being right against display panel, the perforating two coaxially arranged with perforating one is offered on display panel.
The coarse adjustment mechanism 310 includes coarse adjustment rotating cylinder 311, coarse adjustment transmission member, coarse adjustment axis 318, the axis of coarse adjustment axis 318
To perpendicular to piston rod 213, axially and perpendicular to the extending direction of guide post 222, coarse adjustment axis 318 is movably installed in installation shell
And it can axially be rotated around itself, and one end of coarse adjustment axis 318 passes through perforating one and perforating two and is located at display panel away from peace
The side of casing, and the end is provided with coarse adjustment pointer.
The coarse adjustment rotating cylinder 311 is the cylindrical tube structure constituted by two groups in the coarse adjustment transcapsidation of semicolumn cylinder, and
311 both ends open of coarse adjustment rotating cylinder is simultaneously coaxially arranged with piston rod 213, and an open end and the installation shell of coarse adjustment rotating cylinder 311 deviate from
Activity installation between the open end of installation set 1, and coarse adjustment rotating cylinder 311 can axially be rotated around itself.
The coarse adjustment transmission member is set in installation shell, and coarse adjustment transmission member includes gear ring 312, intermediate gear one
313, jackshaft one, be provided between gear ring 312 and coarse adjustment rotating cylinder 311 fixing piece and between the two by fixing piece carry out it is coaxial
It is fixedly connected, jackshaft one is axially parallel to piston rod 213 axially, and jackshaft one is movably installed in installation shell and can be around certainly
Body axially rotates, and intermediate gear 1 is fixedly sheathed in one outside of jackshaft and engages with gear ring 312.
The coarse adjustment transmission member further includes coarse adjustment worm screw 314, coarse adjustment turbine 315, jackshaft two, coarse adjustment worm screw 314
It is fixedly and coaxially connected between jackshaft one, jackshaft two is axially parallel to coarse adjustment axis 318 axially, two activity installation of jackshaft
In can be rotated in installation shell and axially around itself, coarse adjustment turbine 315 be fixedly sheathed in outside jackshaft two and with coarse adjustment worm screw
314 engagements.
The coarse adjustment transmission member further includes intermediate gear 2 316, coarse adjustment gear 317,2 316 fixing sleeve of intermediate gear
It is connected to outside jackshaft two, coarse adjustment gear 317 is fixedly sheathed in 318 outside of coarse adjustment axis and engages with intermediate gear 2 316.
The coarse tuning process of coarse adjustment mechanism 310, specifically: user rotates coarse adjustment rotating cylinder 311, and coarse adjustment rotating cylinder 311 rotates simultaneously
By coarse adjustment transmission member coarse adjustment axis 318 is axially rotated around itself, coarse adjustment axis 318 rotates and draws synchronous turn of coarse adjustment pointer
Dynamic, user can read out coarse adjustment amount by position of the coarse adjustment pointer on display panel.
The micro-adjusting mechanism 320 includes fine tuning rotating cylinder 321, fine tuning transmission member, fine adjustment shaft 328, and fine adjustment shaft 328 is ring
Shape column structure, the coaxial pivot bush unit of fine adjustment shaft 328 is outside coarse adjustment axis 318 and each autorotation of the two is non-interference, fine adjustment shaft
328 one end is located at display panel away from the side of installation shell, and the end is provided with fine tuning pointer.
The fine tuning rotating cylinder 321 is the cylindrical tube structure that the fine tuning transcapsidation for forming semicolumn cylinder by two is constituted, and
Finely tune 321 both ends open of rotating cylinder and, an open end and the coarse adjustment rotating cylinder 311 of fine tuning rotating cylinder 321 coaxially arranged with piston rod 213
It is flexibly connected between open end, is flexibly connected between another open end and installation set 3 140, and finely tuning rotating cylinder 311 can be around itself
Axial rotation.
The fine tuning transmission member includes fine tuning worm screw 322, fine tuning turbine 323, jackshaft three, and fine tuning worm screw 322 is same
Axis offers sets of holes, and fine tuning worm screw 322 is coaxially movably set in 213 outside of piston rod and fine tuning worm screw 322 can be axial around itself
Rotation, finely tune worm screw 322 one end and fine tuning rotating cylinder 321 towards between the open end of installation set 3 140 in a manner of being keyed into
Action edge connection transmitting, the other end of fine tuning worm screw 322 are located in installation shell.
The jackshaft three is axially parallel to fine adjustment shaft 328 axially, and jackshaft three is movably installed in installation shell
And can axially be rotated around itself, fine tuning turbine 323 is fixedly sheathed in three outside of jackshaft and engages with fine tuning worm screw 322.
The fine tuning transmission member further includes intermediate gear 3 324, intermediate gear 4 325, jackshaft four, jackshaft four
Be axially parallel to that fine adjustment shaft 328 is axial, and jackshaft four is movably installed in installation shell and can axially rotate around itself, centre
Gear 3 324 is fixedly sheathed in outside jackshaft three, and intermediate gear 4 325 is fixedly sheathed in four outside of jackshaft and and center tooth
Take turns 3 324 engagements.
The fine tuning transmission member further includes intermediate gear 5 326, fine tuning gear 327,5 326 fixing sleeve of intermediate gear
It is connected to outside jackshaft four, fine tuning gear 327 is fixedly sheathed in 328 outside of fine adjustment shaft and engages with intermediate gear 5 326.
The trim process of micro-adjusting mechanism 320, specifically: user rotates fine tuning rotating cylinder 321, and the rotation of fine tuning rotating cylinder 321 is simultaneously
By finely tuning transmission member fine adjustment shaft 328 is rotated around itself axial direction, fine adjustment shaft 328 rotates and draws synchronous turn of fine tuning pointer
Dynamic, user can read out amount trimmed by position of the fine tuning pointer on display panel；
User carries out liquid measure adjustment by the mutual cooperation of coarse adjustment mechanism 310 and micro-adjusting mechanism 320, and can be referred to according to coarse adjustment
Read institute's adjustment amount in position of the needle/fine tuning pointer on display panel.
The limiting device 400 includes for changing synchronous change to liquid-transfering device according to the data of coarse adjustment mechanism 310
The coarse adjustment synchronization mechanism 410 of 200 limit distance is synchronized for changing synchronous change coarse adjustment according to the data of micro-adjusting mechanism 320
Fine tuning synchronization mechanism 420 of the mechanism 410 to the limit distance of liquid-transfering device 200.
The coarse adjustment synchronization mechanism 410 includes limited post 411, coarse adjustment knob set 412, and limited post 411 is circular cylinder
Structure, the coaxial pivot bush unit of limited post 411 offer on limited post 411 for finely tuning worm screw outside fine tuning worm screw 322
The avoid holes engaged between 322 and fine tuning turbine 323, one end of limited post 411 is located in coarse adjustment rotating cylinder 311, the other end is located at
In the liquid storage cylinder 212 and end is positive stop end, and guiding parts one is provided between limited post 411 and coarse adjustment rotating cylinder 311, specifically,
Guiding parts one is the pilot hole one for being set to guide protrusions one inside coarse adjustment rotating cylinder 311, being set to outside limited post 411,
Channeling direction is constituted between guide protrusions one and pilot hole one is parallel to the axial slide-and-guide cooperation of limited post 411.
The coarse adjustment knob set 412 is circular cylinder structure, and coarse adjustment knob covers 412 coaxial sleeves and is set to limited post 411
Outside is provided with screw element and is attached between the two by screw element one between coarse adjustment knob set 412 and limited post 411,
Specifically, screw element one include be set to coarse adjustment knob set 412 inside internal screw thread one, be set to outside limited post 411 outside
Screw thread one.
It is provided with guiding parts two between the coarse adjustment knob set 412 and coarse adjustment rotating cylinder 311, specifically, guiding parts
Two include the pilot hole two for being set to the guide protrusions two inside coarse adjustment rotating cylinder 311, being set to outside coarse adjustment knob set 412, is led
The axial slide-and-guide cooperation of coarse adjustment knob set 412 is parallel to channeling direction is constituted between protrusion two and pilot hole two.
The end of the coarse adjustment knob set 412 towards micro-adjusting mechanism 320 is connect with fine tuning synchronization mechanism 420.
The synchronizing process of coarse adjustment synchronization mechanism 410, specifically: in 310 coarse tuning process of coarse adjustment mechanism, due to coarse adjustment knob set
412 connect with fine tuning synchronization mechanism 420, rotate synchronously so that coarse adjustment rotating cylinder 311 rotates and draws coarse adjustment knob set 412, coarse adjustment
Screw-casing 412 rotates and draws limited post 411 and moves along itself extending direction, to change 411 positive stop end of limited post and piston
The distance between 214.
The fine tuning synchronization mechanism 420 is set in fine tuning rotating cylinder 321, and fine tuning synchronization mechanism 420 includes interlocking set
421, screw set 422, interlocking set 421 is circular cylinder structure, interlocks and is provided between set 421 and coarse adjustment knob set 412
Connector and carried out between the two by connector it is coaxially connected, specifically, connector is semi-circular column structure, connector
One end covers 412 coaxial fixations with coarse adjustment knob, the other end is located at coarse adjustment knob set 412 towards the side and the end for interlocking set 421
It is provided with built-in step, connector is provided with two groups and is axially symmetric about coarse adjustment knob set 412, step built in two groups
Coarse adjustment knob set 412 between region be bonding pad, interlock set 421 one end be located in bonding pad and the end be provided with it is external
Step is constituted between external step and bonding pad and is rotatably assorted, and 412 rotation of coarse adjustment knob set is not by 421 interference of gearing set.
The gearing set 421 is also coaxially socketed on outside limited post 411, is interlocked and is arranged between set 421 and limited post 411
There is guiding parts three, specifically, guiding parts three includes the guide protrusions three being set to interlock inside set 421, is set to limit
Pilot hole three outside column 411 constitutes channeling direction and is parallel to 411 axial direction of limited post between guide protrusions three and pilot hole three
Slide-and-guide cooperation.
The screw set 422 is circular cylinder structure, is provided between screw set 422 and gearing set 421
It screw element two and is attached between the two by screw element two, specifically, screw element two includes being set to screw set 422
The internal screw thread two of inside is set to the external screw thread two interlocked outside set 421.
The screw set 422 is also coaxially fixedly installed in fine tuning rotating cylinder 321.
The synchronizing process of synchronization mechanism 420 is finely tuned, specifically: in 320 trim process of micro-adjusting mechanism, finely tune 321 turns of rotating cylinder
It moves and draws screw set 422 and rotate synchronously, screw set 422 rotates and draws gearing set 421 along itself extending direction
Movement, gearing set 421 move and draw coarse adjustment knob set 412 and move synchronously, so that limited post 411 moves synchronously, and change
Become the distance between 411 positive stop end of limited post and piston 214；
User according to actually required liquid relief amount adjust coarse adjustment mechanism 310, micro-adjusting mechanism 320, user can according to coarse adjustment pointer,
It finely tunes position of the pointer on display panel and reads adjustment data, while during adjustment, coarse adjustment synchronization mechanism 410 follows coarse adjustment machine
310 synchronous changes of structure/fine tuning synchronization mechanism 420 follows 320 synchronous change limited post of micro-adjusting mechanism, 411 positive stop end and piston 214
The distance between, so that the distance between 411 positive stop end of limited post and piston 214 is matched with practical liquid relief amount.
Claims (10)
1. being applied to the high-precision quantitative liquid-transfering gun of biology/chemical industry/medicine test, detection, which is characterized in that it includes gun housing,
Liquid-transfering device for quantitative liquid getting is installed in gun housing, the liquid amount adjusting apparatus for adjusting liquid-transfering device liquid-taken amount, is used for
Change synchronous change to the limit distance of liquid-transfering device according to the data of liquid amount adjusting apparatus and makes liquid-transfering device quantitative liquid getting
Limiting device；
It is provided with the gripping hole held for user in the gun housing, installation set, installation set setting are additionally provided in gun housing
There are three groups and is followed successively by installation set one, installation set two, installation set three along the length direction of gun housing and by pipette tips direction gun breech.
2. the high-precision quantitative liquid-transfering gun according to claim 1 applied to biology/chemical industry/medicine test, detection, special
Sign is that the liquid-transfering device includes the control whether opened for the pipetting device of quantitative liquid getting, for controlling pipetting device
Mechanism processed；
The pipetting device includes pipette tips, liquid storage cylinder, liquid relief component, and pipette tips are fixedly installed in installation set one away from installation set two
Side, liquid storage cylinder is set between installation set one and installation set two, and liquid storage cylinder is that extending direction is parallel to gun housing length direction
And circular tube structure open at one end, closed at one end, and its open end is towards installation set three, the open end of liquid storage cylinder and peace
It is provided with fastener between encapsulation two and installation is fixed by fastener between the two, the closed end of liquid storage cylinder is provided with company
It connects to connect between mouth and connection mouth and pipette tips and connect；
The liquid relief component includes piston rod, piston, liquid relief spring, and piston is set in liquid storage cylinder and constitutes between the two close
The cooperation of envelope formula slide-and-guide, the region between piston and liquid storage cylinder closed end is liquid storage area, and piston rod is coaxially arranged with liquid storage cylinder,
One end of piston rod is fixedly connected with the piston, the other end be located at installation set three away from installation set one side and the end be provided with to
Touch panel, liquid relief spring pocket are set to piston rod and are located at the portion of external that installation set three deviates from installation set one, and the elastic force of liquid relief spring
Piston is set to do the movement far from liquid storage cylinder closed end, liquid relief spring is compressive state.
3. the high-precision quantitative liquid-transfering gun according to claim 2 applied to biology/chemical industry/medicine test, detection, special
Sign is that the control mechanism includes control block, guide post, control spring, control panel, the gripping hole for being set to gun housing
Hole wall far from installation set one is provided with guide groove, and guide groove slot bottom offers pilot hole, and pilot hole can axially be divided into along itself
The guide section of two parts and respectively close guide groove, the limit section far from guide groove, the diameter for limiting section are greater than guide section
Diameter；
The control block is set in guide groove and constitutes between the two slide-and-guide cooperation, the guide post coaxial arrangement in
It in pilot hole and constitutes slide-and-guide between the two to cooperate, one end that guide post is located in pilot hole limit section is provided with limiting stand
Rank, the other end of guide post are located in guide groove and are fixedly connected with control block, and the control spring pocket is located at set on guide post leads
Portion of external into slot, and the elastic force for controlling spring makes control block do the movement far from guide groove slot bottom；
It is additionally provided in the gun housing and accommodates inner cavity, accommodated inner cavity and be located at the underface of installation set three and connect between the two
Logical, the hole wall for holding hole, which is also provided with, connect the guide hole connected with receiving inner cavity, and the channeling direction of guide hole is parallel to guide post extension
Direction, the piston rod, which is located at, accommodates the control flume that the part right above inner cavity is provided with structure in a ring；
The control panel, which is set to, to be accommodated interior intracavitary and constitutes the cunning that channeling direction is parallel to guide post extending direction between the two
Action-oriented cooperation, control panel are located in control flume towards the end of piston rod, and control panel is and control towards the end of piston rod
The globoidal structure that slot matches；
The side of the control panel towards control block offers connecting hole, and the control block is arranged towards the side of control panel
There is connection bump, and the free end of connection bump is located in connecting hole.
4. the high-precision quantitative liquid-transfering gun according to claim 2 or 3 applied to biology/chemical industry/medicine test, detection,
It is characterized in that, the liquid-transfering device is additionally provided with for providing resistance for pipetting device and making the resistance machine of its slow imbibition
Structure；
Resistance inner cavity is additionally provided in the gun housing, and resistance inner cavity is located at the side that receiving inner cavity deviates from installation set one, and
And connect and connect between resistance inner cavity and installation set three, gun housing is also provided with away from the side of installation set three and connect with resistance inner cavity
The threaded hole of connection；
The resistance mechanism be set to it is intracavitary in resistance, resistance mechanism include movable support, resistance wheel, adjust bolt, resistance
Spring, resistance wheel is movably installed on movable support and can axially rotate around itself, and resistance wheel and plunger rod contacts；
The adjusting bolt is set in threaded hole and is threadedly coupled between the two, one end of the resistance spring and adjusting
It is bolted, the connection of the other end and movable support, the elastic force of resistance spring makes movable support do the relative motion close to piston rod
Trend.
5. the high-precision quantitative liquid-transfering gun according to claim 1 or 2 applied to biology/chemical industry/medicine test, detection,
It is characterized in that, the liquid amount adjusting apparatus is set between installation set two and installation set three, liquid amount adjusting apparatus includes using
The coarse adjustment mechanism of coarse adjustment, the micro-adjusting mechanism being finely adjusted for user are carried out, for showing coarse adjustment/fine tuning result in user
Indication mechanism；
The indication mechanism includes installation shell, display panel, and installation shell is the shell structure of both ends open, and installs shell
An open end be fixedly installed in installation set two, display panel is fixedly installed in the outside of installation shell, installs and also opens up on shell
There is the perforating one for being right against display panel, the perforating two coaxially arranged with perforating one is offered on display panel.
6. the high-precision quantitative liquid-transfering gun according to claim 5 applied to biology/chemical industry/medicine test, detection, special
Sign is that the coarse adjustment mechanism includes coarse adjustment rotating cylinder, coarse adjustment transmission member, coarse adjustment axis, and coarse adjustment axis is axially perpendicular to piston
Bar is axial and perpendicular to the extending direction of guide post, and coarse adjustment axis is movably installed in installation shell and can axially rotate around itself, and
One end of coarse adjustment axis passes through perforating one and perforating two and is located at display panel away from the side of installation shell, and the end is arranged
There is coarse adjustment pointer；
The coarse adjustment rotating cylinder is the cylindrical tube structure that the coarse adjustment transcapsidation by two groups in semicolumn cylinder is constituted, and coarse adjustment rotating cylinder
Both ends open is simultaneously coaxially arranged with piston rod, an open end of coarse adjustment rotating cylinder and installation shell away from the open end of installation set one it
Between activity installation, and coarse adjustment rotating cylinder can around itself axially rotate；
The coarse adjustment transmission member is set in installation shell, and coarse adjustment transmission member includes gear ring, intermediate gear one, jackshaft
One, it is provided with fixing piece between gear ring and coarse adjustment rotating cylinder and is fixedly and coaxially connected between the two by fixing piece, jackshaft
One piston rod that is axially parallel to is movably installed in installation shell to, jackshaft one and can be around itself axial rotation, center tooth
Wheel one is fixedly sheathed in one outside of jackshaft and engages with gear ring；
The coarse adjustment transmission member further includes coarse adjustment worm screw, coarse adjustment turbine, jackshaft two, between coarse adjustment worm screw and jackshaft one
It is fixedly and coaxially connected, jackshaft two is axially parallel to coarse adjustment axis axial direction, and jackshaft two is movably installed in installation shell and can
It is axially rotated around itself, coarse adjustment turbine is fixedly sheathed in two outside of jackshaft and engages with coarse adjustment worm screw；
The coarse adjustment transmission member further includes intermediate gear two, coarse adjustment gear, and intermediate gear two is fixedly sheathed in jackshaft two
Outside, coarse adjustment gear are fixedly sheathed in outside coarse adjustment axis and engage with intermediate gear two.
7. the high-precision quantitative liquid-transfering gun according to claim 6 applied to biology/chemical industry/medicine test, detection, special
Sign is that the micro-adjusting mechanism includes fine tuning rotating cylinder, fine tuning transmission member, fine adjustment shaft, and fine adjustment shaft is circular cylinder structure, micro-
It adjusts the coaxial pivot bush unit of axis outside coarse adjustment axis and each autorotation of the two is non-interference, one end of fine adjustment shaft deviates from positioned at display panel
The side of shell is installed, and the end is provided with fine tuning pointer；
The fine tuning rotating cylinder is the cylindrical tube structure that the fine tuning transcapsidation for forming semicolumn cylinder by two is constituted, and finely tunes rotating cylinder
Both ends open is simultaneously coaxially arranged with piston rod, finely tune be flexibly connected between an open end of rotating cylinder and the open end of coarse adjustment rotating cylinder,
It is flexibly connected between another open end and installation set three, and finely tune rotating cylinder can axially rotate around itself；
The fine tuning transmission member includes fine tuning worm screw, fine tuning turbine, jackshaft three, and fine tuning worm screw coaxially offers sets of holes,
Fine tuning worm screw is coaxially movably set in outside piston rod and fine tuning worm screw can axially rotate around itself, finely tune one end of worm screw with it is micro-
Cylinder is turned towards carrying out being connected by power transmitting in a manner of key connection between the open end of installation set three, finely tunes the other end position of worm screw
In in installation shell；
The jackshaft three is axially parallel to fine adjustment shaft axial direction, and jackshaft three is movably installed in installation shell and can be around certainly
Body axially rotates, and fine tuning turbine is fixedly sheathed in three outside of jackshaft and engages with fine tuning worm screw；
The fine tuning transmission member further includes intermediate gear three, intermediate gear four, jackshaft four, and the axial direction of jackshaft four is parallel
In fine adjustment shaft axial direction, jackshaft four is movably installed in installation shell and can axially rotate around itself, three fixing sleeve of intermediate gear
It is connected to outside jackshaft three, intermediate gear four is fixedly sheathed in four outside of jackshaft and engages with intermediate gear three；
The fine tuning transmission member further includes intermediate gear five, fine tuning gear, and intermediate gear five is fixedly sheathed in jackshaft four
Outside, fine tuning gear are fixedly sheathed in outside fine adjustment shaft and engage with intermediate gear five.
8. the high-precision quantitative liquid-transfering gun according to claim 6 or 7 applied to biology/chemical industry/medicine test, detection,
It is characterized in that, the limiting device includes for changing synchronous change to the limit of liquid-transfering device according to the data of coarse adjustment mechanism
Position distance coarse adjustment synchronization mechanism, for according to the data of micro-adjusting mechanism change synchronous change coarse adjustment synchronization mechanism to liquid-transfering device
Limit distance fine tuning synchronization mechanism.
9. the high-precision quantitative liquid-transfering gun according to claim 8 applied to biology/chemical industry/medicine test, detection, special
Sign is that the coarse adjustment synchronization mechanism includes limited post, coarse adjustment knob set, and limited post is circular cylinder structure, and limited post is same
Axis pivot bush unit is offered outside fine tuning worm screw, and on limited post for finely tuning the evacuation engaged between worm screw and fine tuning turbine
Hole, one end of limited post is located in coarse adjustment rotating cylinder, the other end is located in liquid storage cylinder and the end is positive stop end, and limited post and coarse adjustment turn
Guiding parts one is provided between cylinder, and guiding parts one is to be set to guide protrusions one inside coarse adjustment rotating cylinder, be set to limit
Pilot hole one outside column, the sliding that composition channeling direction is parallel to limited post axial direction between guide protrusions one and pilot hole one are led
To cooperation；
The coarse adjustment knob set is circular cylinder structure, and coarse adjustment knob set coaxial sleeve is set to outside limited post, coarse adjustment knob
It is provided with screw element between set and limited post and is attached between the two by screw element one, screw element one includes being set to slightly
Adjust the internal screw thread one inside screw-casing, the external screw thread one being set to outside limited post；
Guiding parts two is provided between the coarse adjustment knob set and coarse adjustment rotating cylinder, guiding parts two includes being set to coarse adjustment to turn
The internal guide protrusions two of cylinder, be set to coarse adjustment knob cover outside pilot hole two, structure between guide protrusions two and pilot hole two
The axial slide-and-guide cooperation of coarse adjustment knob set is parallel at channeling direction；
The end of the coarse adjustment knob set towards micro-adjusting mechanism is connect with fine tuning synchronization mechanism.
10. the high-precision quantitative liquid-transfering gun according to claim 9 applied to biology/chemical industry/medicine test, detection,
It is characterized in that, the fine tuning synchronization mechanism is set in fine tuning rotating cylinder, and fine tuning synchronization mechanism includes interlocking set, screw
Set, interlocking set is circular cylinder structure, interlocks and is provided with connector between set and coarse adjustment knob set and passes through connection between the two
Part progress is coaxially connected, and connector is semi-circular column structure, and one end of connector and coarse adjustment knob cover coaxial fixation, the other end
It covers positioned at coarse adjustment knob towards the side and the end for interlocking set and is provided with built-in step, connector is provided with two groups and about coarse adjustment
Screw-casing is axially symmetric, and the region between step built in two groups and coarse adjustment knob set is bonding pad, interlocks one end of set
In bonding pad and the end is provided with external step, constitutes and is rotatably assorted between external step and bonding pad；
The gearing set is also coaxially socketed on outside limited post, is interlocked and is provided with guiding parts three between set and limited post, leads
It include the guide protrusions three being set to interlock inside set, the pilot hole three being set to outside limited post, guide protrusions to component three
The slide-and-guide cooperation that channeling direction is parallel to limited post axial direction is constituted between three and pilot hole three；
The screw set is circular cylinder structure, is provided with screw element two and the two between screw set and gearing set
Between be attached by screw element two, screw element two includes being set to internal screw thread two inside screw set, the company of being set to
External screw thread two outside dynamic set；
The screw set is also coaxially fixedly installed in fine tuning rotating cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910346614.8A CN109999936B (en) | 2019-04-27 | 2019-04-27 | High-precision quantitative liquid-transfering gun for biological/chemical/medical test and detection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910346614.8A CN109999936B (en) | 2019-04-27 | 2019-04-27 | High-precision quantitative liquid-transfering gun for biological/chemical/medical test and detection |
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| CN109999936B CN109999936B (en) | 2020-09-15 |
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Also Published As
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