CN208003973U - A kind of use for laboratory organic reagent quantifies liquid-transfering device - Google Patents
A kind of use for laboratory organic reagent quantifies liquid-transfering device Download PDFInfo
- Publication number
- CN208003973U CN208003973U CN201820113358.9U CN201820113358U CN208003973U CN 208003973 U CN208003973 U CN 208003973U CN 201820113358 U CN201820113358 U CN 201820113358U CN 208003973 U CN208003973 U CN 208003973U
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- China
- Prior art keywords
- needle type
- type filtration
- glass pipette
- cone
- syringe
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Abstract
The utility model belongs to laboratory experiment Instrument technology field, liquid-transfering device is quantified more particularly to a kind of use for laboratory organic reagent, including syringe, needle type filtration head and glass pipette, the lower end of syringe is connect with needle type filtration head upper end, needle type filtration head lower end is connect with glass pipette upper end, cone is additionally provided between needle type filtration head and glass pipette, cone center offers channel, and the connecting hole for being connect with needle type filtration head is provided at the channel of cone plane；The cylindrical adapter sleeve of connection fixed thereto is provided in cone cambered surface, adapter sleeve can be sleeved on glass pipette.The utility model is simple in structure, easy to implement, increase conical connecting tube between needle type filtration head and glass pipette, considerably increase the convenient degree of the two connection, round adapter sleeve is set simultaneously, connectivity robustness is increased, keeps the two connection more secured, improves device stability, device probability of damage is reduced, the service life of equipment is improved.
Description
Technical field
The utility model belongs to laboratory experiment Instrument technology field, in particular to a kind of organic examination of use for laboratory
Agent quantifies liquid-transfering device.
Background technology
China is manufacture big country, while even more traditional large agricultural country, along with the progress of science and technology, scientic planting gos deep into people
The heart especially plays vital soil investigation, the even more most important thing to agricultural production.Either to the direct analysis of soil
Or the research to fertilizer, it is often necessary to which component is measured.In the lab, the research of soil constituent is often used
Liquid-transfering device can be also applied certainly in medical treatment, gene and protein research, biological study, drug development laboratories and other
In biotechnology.Liquid-transfering device can carry out shift experiment room sample in various laboratory procedures, and then complete real
It tests.
In agricultural technology field, often use organic solvent as research auxiliary reagent, existing use for laboratory in
The equipment of quantitative quick liquid relief is generally more expensive, is unfavorable for the construction of conservation-minded society；Meanwhile organic reagent is by directly connecing
It touches or steam volatilizees, easily corrode plastics, metal parts, and then damage liquid-transfering device.The plastic components of liquid-transfering device directly connects
Tactile organic reagent can also pollute reagent, and then influence the accuracy of experiment.Laboratory measures organic reagent and generally uses
Glass pipet is matched with ear washing bulb.But matching glass pipet and ear washing bulb has absorption and releases reagent speed
Slowly the shortcomings of reagent is required for progress quantitative work, quantitative work to need rich experiences and be difficult to control, is measured every time, it is difficult to full
Foot high-volume experiment demand.And matched with glass dropper using piston syringe, it just can be well solved transfering reagent
Speed is slow and quantitative work difficulty controls problem.But attachment device is needed between glass pipet and piston syringe, it finds
It is a kind of to connect device firm, easy to operate as there is problem to be solved.In addition, experiment and bulge test is repeated several times
In, the volume of transfering reagent is identical, and a kind of effectively device simple in structure of invention can limit syringe, from
And transfer work that is accurate, easy, quickly finishing multiple same volume reagent, also it is a problem to be solved.
Utility model content
The main purpose of the utility model is to provide a kind of use for laboratory organic reagents to quantify liquid-transfering device, existing to solve
Have in technology that there are the connectivity problems between glass pipette and syringe, at the same solve multiple identical test syringe is carried out it is accurate
The problem of fidelity position.
To achieve the goals above, the utility model provides a kind of use for laboratory organic reagent and quantifies liquid-transfering device, wraps
Syringe, needle type filtration head and glass pipette are included, syringe includes injection tube, and piston rod is equipped in injection tube and is located at piston
The piston head of bar bottom；The lower end of syringe is connect with needle type filtration head upper end, needle type filtration head lower end and glass pipette upper end
Connection, glass pipette top are provided with spherical chamber, connecting tubes are additionally provided between the needle type filtration head and glass pipette, even
It takes over and is made of silica gel, the connecting tube is cone, and cone center offers channel, close to cone plane
The connecting hole for being connect with needle type filtration head is provided at channel；The cylinder of connection fixed thereto is provided in cone cambered surface
Shape adapter sleeve, adapter sleeve can be sleeved on glass pipette.
The use for laboratory organic reagent quantifies liquid-transfering device, and the top of the syringe piston rod is provided with piston rod
Cap, piston pole cap are perpendicular to the circular slab of piston rod or to be parallel to the torus of piston rod.
The use for laboratory organic reagent quantifies liquid-transfering device, is filled in the needle type filtration head organic for adsorbing
The active carbon fibre vinylon and cotton blend of steam.
The use for laboratory organic reagent quantifies liquid-transfering device, and L-shaped gag lever post, L-shaped limit are provided in the injection tube
The short side of position bar is placed in parallel with injection tube crimping, is fixed the two with U-shaped fixing sleeve.
The use for laboratory organic reagent quantifies liquid-transfering device, and the L-shaped gag lever post adopts made of plastic, L-shaped limit
Scale is provided in the long side of bar, the least unit of scale is milliliter.
The utility model has the beneficial effects that：The utility model is simple in structure, easy to implement, in needle type filtration head and glass
Increase conical connecting tube between suction pipe, considerably increase the convenient degree of the two connection, while round adapter sleeve is set, increases
Connectivity robustness so that the two connection is more preferably secured, improves the stability of device, while also reducing device damage may
Property；Needle type filtration head is set between syringe and glass pipette for filtering adsorption of organic vapors, is effectively avoided organic
Corrosion of the steam to injector rubber piston head reduces damage of the organic reagent to device, extends the service life of device, subtract
It is wasted caused by few replacement；
The liquid-transfering device of the utility model takes liquid and tapping using the reciprocating motion realization of syringe piston, utilizes glass
Scale on suction pipe realizes accurate quantitative analysis, has absorption and releasing reagent speed fast, quantitative accurate, easy to operate, can measure not
With reagent in bore reagent bottle, the advantages that different reagents only need to change glass pipette is measured.In addition, this device is without any plastic section
Part contacts organic reagent, will not cause the pollution of organic reagent；
The liquid-transfering device of the utility model, installs L-shaped gag lever post in injection tube, and L-shaped limits the length of the long side of pole-footing
After setting, the volume for the reagent drawn every time can be limited well, substantially increase the speed for measuring liquid, L-shaped limit
Bar is fixed by U-shaped fixing sleeve, facilitates installation and replacement；
Annular is made in the piston pole cap of the utility model, and experimenter is facilitated to use, experimenter with a thumb just
Piston rod can easily be boosted and be declined upwards, substantially increases the convenient degree that experimenter uses, and then improve experiment
Efficiency.
Description of the drawings
The Figure of description for constituting a part for the new shape of this practicality is used to provide a further understanding of the present invention, this
The illustrative embodiments and their description of utility model do not constitute the improper limit to the utility model for explaining the utility model
It is fixed.In the accompanying drawings：
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the connecting tube cross-sectional view of the utility model；
Fig. 3 is the syringe and L-shaped gag lever post mounting structure schematic diagram of the utility model；
Fig. 4 is the U-shaped fixing sleeve structural schematic diagram of the utility model；
In figure, 1 is piston pole cap, and 2 be piston rod, and 3 be injection tube crimping, and 4 be injection tube, and 5 be needle type filtration head, and 6 are
Connecting tube, 601 be connecting hole, and 602 be channel, and 603 be cylindrical solid set, and 7 be spherical chamber, and 8 be glass pipette, and 9 carve for suction pipe
Degree, 10 be U-shaped fixing sleeve, and 11 be L-shaped gag lever post, and 12 be piston head.
Specific implementation mode
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality
The attached drawing in example is applied, technical solutions in the embodiments of the present application is clearly and completely described, it is clear that described implementation
Example is merely a part but not all of the embodiments of the present application.Based on the embodiment in the application, this field is common
The every other embodiment that technical staff is obtained without making creative work should all belong to the application protection
Range.
It should be noted that term " first " in the specification and claims of the utility model and above-mentioned attached drawing,
" second " etc. is for distinguishing similar object, without being used to describe specific sequence or precedence.It should be appreciated that in this way
The term used can be interchanged in the appropriate case, so as to the embodiments of the present invention described herein.In addition, term " packet
Include " and " having " and their any deformation, it is intended that cover it is non-exclusive include, for example, containing series of steps
Or process, method, system, product or the equipment of unit those of are not necessarily limited to clearly to list step or unit, but can wrap
It includes not listing clearly or for these processes, method, product or equipment intrinsic other steps or unit.
Embodiment 1：In conjunction with Fig. 1-Fig. 4, a kind of use for laboratory organic reagent quantifies liquid-transfering device, including syringe, pin type
Filtering head and glass pipette, syringe include injection tube, and injection tube is cylindric, and one end of injection tube is closed, another end opening,
Injection head is provided on the end face of the closed one end of injection tube, one end of injection tube opening is provided with crimping, and crimping is ellipse
Or it is round.Piston rod is installed in injection tube, piston rod bottom is equipped with piston head, and piston head is made of rubber material,
Piston head is installed on piston-rod lower end.The injection head of the lower end of syringe is connect with needle type filtration head upper end, in needle type filtration head
Filled with the activated carbon fibre for adsorption of organic vapors, needle type filtration head lower end is connect with glass pipette upper end, glass pipette
Top is provided with spherical chamber, and the graduation mark for reading, the minimum of graduation mark are provided on the glass pipette wall below spherical chamber
Longitude is 0.1mm.
Connecting tubes are provided between needle type filtration head and glass pipette, connecting tube is made of silica gel, and connecting tube is
Cone, cone center offer channel, be provided at the channel of cone plane for needle type filtration head
The connecting hole of connection；The cylindrical adapter sleeve of connection fixed thereto is provided in cone cambered surface, adapter sleeve can be sleeved on glass
On glass suction pipe.
Preferably, the top of syringe piston rod is provided with piston pole cap, and piston pole cap is the circle perpendicular to piston rod
Plate or to be parallel to the torus of piston rod, piston pole cap is made annular, experimenter is facilitated to use, and experimenter is with one
Piston rod can easily just be boosted and declined upwards by thumb, substantially increase the convenient degree that experimenter uses, Jin Erti
The high efficiency of experiment.
Preferably, L-shaped gag lever post is provided in the injection tube of the utility model, short side and the injection tube of L-shaped gag lever post are rolled up
While being placed in parallel, the two is fixed with U-shaped fixing sleeve, L-shaped limit pole-footing long side length set after, can limit well
The volume for making the reagent drawn every time, substantially increases the speed for measuring liquid, and L-shaped gag lever post is consolidated by U-shaped fixing sleeve
It is fixed, facilitate installation and replacement.
Preferably, L-shaped gag lever post is adopted made of plastic, and scale is provided in the long side of L-shaped gag lever post, and the minimum of scale is single
Position is milliliter, and graduation mark is made of groove, and the gag lever post of groove is easy to break, facilitate experimenter can as needed into
Row fractures by hand.
The application is described in detail above, it is used herein can principle and embodiment party of the specific case to the application
Formula is expounded, the description of the example is only used to help understand the method for the present application and its core ideas, meanwhile, it is right
In those of ordinary skill in the art, according to the thought of the application, change is had in specific embodiments and applications
Place, in conclusion the contents of this specification should not be construed as limiting the present application.
Claims (5)
1. a kind of use for laboratory organic reagent quantifies liquid-transfering device, including syringe, needle type filtration head and glass pipette, syringe
Including injection tube, piston rod and the piston head positioned at piston rod bottom are installed in injection tube；The lower end of syringe and pin type mistake
Filter upper end connects, and needle type filtration head lower end is connect with glass pipette upper end, and glass pipette top is provided with spherical chamber, feature
It is：Connecting tubes are additionally provided between the needle type filtration head and glass pipette, connecting tube is made of silica gel, the connection
Pipe is cone, and cone center offers channel, be provided at the channel of cone plane for pin type mistake
The connecting hole of filter connection；The cylindrical adapter sleeve of connection fixed thereto is provided in cone cambered surface, adapter sleeve can be set with
On glass pipette.
2. use for laboratory organic reagent according to claim 1 quantifies liquid-transfering device, it is characterised in that：The syringe is lived
The top of stopper rod is provided with piston pole cap, and piston pole cap is perpendicular to the circular slab of piston rod or to be parallel to the circle of piston rod
Ring body.
3. use for laboratory organic reagent according to claim 1 quantifies liquid-transfering device, it is characterised in that：The needle type filtration
Filled with the active carbon fibre vinylon and cotton blend for adsorption of organic vapors in head.
4. use for laboratory organic reagent according to claim 1 quantifies liquid-transfering device, it is characterised in that：In the injection tube
It is provided with L-shaped gag lever post, and short side and the injection tube crimping of L-shaped gag lever post are placed in parallel, and the two are fixed with U-shaped fixing sleeve.
5. use for laboratory organic reagent according to claim 4 quantifies liquid-transfering device, it is characterised in that：The L-shaped limit
Bar is adopted made of plastic, is provided with scale in the long side of L-shaped gag lever post, the least unit of scale is 0.2 milliliter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820113358.9U CN208003973U (en) | 2018-01-24 | 2018-01-24 | A kind of use for laboratory organic reagent quantifies liquid-transfering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820113358.9U CN208003973U (en) | 2018-01-24 | 2018-01-24 | A kind of use for laboratory organic reagent quantifies liquid-transfering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208003973U true CN208003973U (en) | 2018-10-26 |
Family
ID=63883268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820113358.9U Expired - Fee Related CN208003973U (en) | 2018-01-24 | 2018-01-24 | A kind of use for laboratory organic reagent quantifies liquid-transfering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208003973U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112206844A (en) * | 2020-08-17 | 2021-01-12 | 武汉迈特维尔生物科技有限公司 | Device and method for filtering small-volume biological sample solution |
-
2018
- 2018-01-24 CN CN201820113358.9U patent/CN208003973U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112206844A (en) * | 2020-08-17 | 2021-01-12 | 武汉迈特维尔生物科技有限公司 | Device and method for filtering small-volume biological sample solution |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181026 Termination date: 20200124 |
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| CF01 | Termination of patent right due to non-payment of annual fee |