CN205801910U - A kind of cleaning sample bottle diffuser cap - Google Patents
A kind of cleaning sample bottle diffuser cap Download PDFInfo
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- CN205801910U CN205801910U CN201620306618.5U CN201620306618U CN205801910U CN 205801910 U CN205801910 U CN 205801910U CN 201620306618 U CN201620306618 U CN 201620306618U CN 205801910 U CN205801910 U CN 205801910U
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- sample bottle
- hollow cylinder
- hollow
- semi
- lower floor
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Abstract
This utility model relates to a kind of cleaning sample bottle diffuser cap, and its feature includes upper strata hollow cylinder, cylindrical plane, middle level hollow round table and four parts of lower floor's semi-hollow cylinder；Wherein cleaning sample bottle diffuser cap is the entirety utilizing die press technology for forming to be fabricated to, and its ingredient is non-dismountable；Wherein, lower floor's semi-hollow cylinder is made up of four independent segmental cylindrical bodies, and the hollow parts of top half is an inverted cone shape, contacting with each other with shaft of the latter half fan-shaped cylinder so that it is have good sealing effectiveness.This utility model simple in construction, easy to use and low cost, service life is long, can reduce to greatest extent and wash the volatilization of pin liquid in cleaning sample bottle, and is prevented effectively from sample introduction needle or other materials extraneous to washing pin solution cross-contamination.
Description
Technical field
This utility model belongs to small-size laboratory articles for use field, relates to a kind of cleaning sample bottle diffuser cap, especially relates to
A kind of slow down to clean sample bottle has machine washing pin solution evaporation, and avoid the diffuser cap of cross-contamination.
Background technology
In the automated fluid injector of assay laboratory's common instrument (such as gas chromatogram, gas chromatography-mass spectrum etc.),
Washer bottle is indispensable, washes pin solution for storage.Clean sample bottle diffuser cap, be typically placed in cleaning sample bottle bottleneck, by
Hollow thread lid is fixed, and plays minimizing and washes the effect that pin solution volatilizees in atmosphere.
Check to clean and sample bottle washes whether pin solution is finished or contaminated, be the necessary inspection before every time using instrument
Program.Due to, it is both needed to sample introduction needle is carried out process before each sample introduction, and washes pin solution often for volatile organic solution.?
Whether in practical operation, taking to note quarter cleaning in sample bottle has appropriate and unpolluted washes pin solution.But it sometimes appear that
Do not add in time and wash pin solution or instrument the most uninterruptedly, wash the phenomenons such as pin solution volatilizes when overnight using.This type of phenomenon can
Cause sample introduction needle cannot rinse in time, cause the cross-contamination of sample, false-positive experimental result occur；And also likely make
Becoming sample introduction needle dry and astringent, affect the accuracy of sample introduction, serious meeting causes sample introduction needle blocking pollution, dry and astringent situation can cause broken needle
Etc. phenomenon, affect detection procedure.
Generally, during laboratory practices, clean in the middle of sample bottle and thread hollow lid with sample bottle silicone rubber dottle pin,
Or sample bottle diffuser cap.When using cleaning sample bottle dottle pin for the first time, its dottle pin has preferable sealing effectiveness, greatly reduces
Wash pin solution evaporation and the problem preventing from polluting.But when the later stage uses, owing to sample introduction needle passes in and out cleaning repeatedly by dottle pin
Sample bottle, may make occur on dottle pin that multiple aperture or hole diameter progressively expand along with the increase of access times, make to wash pin
Solution is long-time with exposure in atmosphere, causes washing pin solution evaporation too fast.
Conventional sample bottle diffuser cap is the back taper hollow structure of polypropylene (PPE) material, and sample introduction needle passes in and out from middle vacancy,
The type diffuser cap can play certain effect sealing volatilization prevention, but is a through system after all, still cannot avoid
Wash pin liquid directly to contact with the long-time of air, when detecting especially for the project such as formaldehyde, volatile organic matter, may make
Become to wash pin liquid and absorb this kind of material and cause the false-positive phenomenon of testing result.
Therefore, one can slow down washes pin solution evaporation, extend cleaning solution use the time, and reduce wash pin solution quilt
The sample bottle diffuser cap of cleaning polluting probability contributes to solving above-mentioned problem.
Summary of the invention
For cleaning in sample bottle on instrument automated fluid injector, to wash pin solution evaporation too fast and easily by air pollution
Problem, invent and a kind of clean sample bottle diffuser cap, effectively slow down and wash pin solution evaporation, reduce and add and more to change clothes pin molten
The number of times of liquid, makes practical operation more simplify conveniently；Meanwhile, reduction is washed pin solution and is contaminated probability, makes experimental result more accurate
The most credible.
For realizing above-mentioned functions, the cleaning sample bottle diffuser cap that this utility model relates to, it is characterised in that:
(1) a kind of clean sample bottle diffuser cap, comprise upper strata hollow cylinder, cylindrical plane, middle level hollow round table and under
Layer four, semi-hollow cylinder part composition.Wherein, middle level hollow round table connects upper strata hollow cylinder and lower floor's semi-hollow cylinder, on
Layer hollow cylinder, middle level hollow round table and lower floor's semi-hollow cylinder are connected with each other from top to bottom, and the most wide at the top and narrow at the bottom is hollow
Cylinder design, can push open when sample pin enters lower floor's semi-hollow cylindrical base, can recover to seal after extracting, and employing is molded into
The integral laboratory articles for use that type technique is made, each ingredient cannot individually be dismantled.This cleaning sample bottle diffuser cap is
It is made up of one or more materials in polypropylene, polyurethane, politef, there is the corrosion of anti-strong acid-base and organic solvent-resistant
Effect.
(2) a kind of sample bottle diffuser cap of cleaning can be placed in threaded hollow cap and cleans in the middle of sample bottle.Wherein, upper strata
The outside diameter of hollow cylinder need to be less than the open circles diameter of threaded hollow lid, and the diameter of cylindrical plane then need to clean
Sample bottle bottleneck overall diameter is consistent, and the total height of hollow cylinder and cylindrical plane should be with cleaning sample bottle bottleneck to threaded
Hollow cap upper surface highly consistent.When threaded hollow cap tightens cleaning sample bottle, cleaning sample bottle diffuser cap is made to be fixed on
Between the two, and make sample introduction needle turnover clean sample time, clean sample bottle diffuser cap will not with sample introduction needle move up and down and
Change position, and be in close contact with cleaning sample bottle and threaded hollow cap, there is certain sealing.
(3) middle level hollow round table is a up big and down small hollow round table.With cylinder plane and lower floor's semi-hollow circle
Post links up and down.The inner and outer diameter of middle level hollow round table end face is identical with upper strata hollow cylinder, the inner and outer diameter of its bottom surface with under
Layer hollow cylinder is identical.
(4) lower floor's semi-hollow cylinder is made up of the independent fan-shaped cylinder of 4.Wherein, the two side columns of four fan-shaped cylinders
Body part contacts with each other, and has good sealing effectiveness.The top half of each fan-shaped cylinder is truncated one and falls fan-shaped
The shape of vertebral body, makes four fan-shaped cylinders when contacting with each other, forms an inverted cone groove.This inverted cone groove end face
Round diameter, and interlinks with middle level hollow round table lower limb hollow ring internal diameter always.When sample introduction needle enters into cone
Cone tip portion, due to the design of inverted cone groove, makes sample introduction needle can push four fan-shaped cylinders open to surrounding swimmingly, accurately
Enter in cleaning sample bottle and draw and wash pin solution in right amount.After sample introduction needle is extracted, four fan-shaped cylinders will recover original state,
Cylinder both sides contact with each other and keep preferable sealing.
The beneficial effects of the utility model are as follows:
General sample bottle dottle pin, according to laboratory routine operation demand, is combined innovation, is designed to by this utility model
One prevents from washing pin solution evaporation and contaminated cleaning sample bottle diffuser cap.The cleaning sample bottle diffusion of other kind that compares
Lid, the Seal Design of four fan-shaped cylinders bottom this invention, more effectively prevent cleanout fluid volatilization phenomenon, reduce and add cleanout fluid
Number of times, saves the actual experiment operating time.Compare relatively conventional sample bottle dottle pin, the hollow cylinder design of this invention, make sample introduction
Pin is directly entered cleaning sample bottle, prevents residual liquid to be attached in dottle pin or diffuser cap and causes cross-contamination；Bottom reverse taper
Groove and the Seal Design of fan-shaped cylinder, make cleanout fluid only when sample introduction needle passes in and out, and just exposes in atmosphere, further
Reduce the probability of cross-contamination；And it makes that material surface is smooth, hardness is high, sample introduction needle accurately and smoothly turnover can be made clear
Wash sample bottle.
Accompanying drawing explanation
Fig. 1, cleans sample bottle diffuser cap structure chart.
Wherein: 1, sample bottle diffuser cap is cleaned；2, upper strata hollow cylinder；3, cylindrical plane；4, middle level hollow round table；5,
Lower floor's semi-hollow cylinder；6, fan-shaped cylinder；8, inverted cone groove.
Fig. 2, fan-shaped cylinder structure chart.
Wherein: 7, the most fan-shaped vertebral body.
Fig. 3, this utility model uses schematic diagram.
Wherein: 9, threaded hollow cap；10, clean sample bottle.
Detailed description of the invention
Being described principle of the present utility model and feature below in conjunction with accompanying drawing, example is served only for explaining this practicality
Novel, it is not intended to limit scope of the present utility model.
Embodiment 1
As it is shown in figure 1, this cleaning sample bottle diffuser cap 1 is by the one in polypropylene, polyurethane, politef or several
Plant material to make, there is the corrosion of anti-strong acid-base and the effect of organic solvent-resistant；And use compression molding technology to make, from top to bottom
Comprise upper strata hollow cylinder 2, cylindrical plane 3, middle level hollow round table 4 and lower floor's semi-hollow cylinder 5 to form.
Wherein, the diameter of cylindrical plane 3, more than cleaning sample bottle 10 bottleneck, can be able to be put cleaning sample bottle diffuser cap 1
Put and cleaning on sample bottle 10 bottleneck, then tightened fixing (Fig. 3) by the rotation of threaded hollow cap 9.Due to upper strata hollow cylinder 2 with
The total height of cylindrical plane 3 and threaded hollow cap 9 end face, to highly consistent (Fig. 3) of cleaning sample bottle 10 bottleneck, make
Layer hollow cylinder 2 shaft is in close contact with threaded hollow cap 9 inwall, increases its sealing effectiveness.
Wherein, lower floor's semi-hollow cylinder 5 is equally divided into four independent fan-shaped cylinders 6.Each fan-shaped cylinder 6 upper
Half part is truncated quad cone 7 shape (see Fig. 2), and when four fan-shaped cylinders 6 combine, lower floor is in midair
The top half of heart cylinder forms an inverted cone groove 8.The both sides shaft of remaining fan-shaped cylinder is closely contacted with each other, and has
Good sealing effectiveness.
After sample introduction needle enters and washes pin bottle, when entering into inverted cone groove 8 cone tip portion, due to four fan-shaped cylinders 6
Being independence and contact with each other, and combine the design of inverted cone groove 8, sample introduction needle can push fan-shaped post open to surrounding smoothly
Body portion, enters and cleans in sample bottle, draws and appropriate washes pin solution.Inverted cone groove 8 cone tip part is pulled out in sample introduction needle
After Fen, four fan-shaped cylinders recover original sealing state.The time of contact of pin solution and air is washed in effective minimizing, slows down and washes
The phenomenon that pin solution volatilized in the not used time, and avoid in air or pollution entrance cleaning sample that accidentally operate in experiment is brought
Product bottle.
The end face round diameter of rounding column recesses 8 should be less than circular diameter in upper strata hollow cylinder 2, therefore, works as sample introduction needle
When entering cleaning sample bottle bottle, reduce the contact area washing pin solution and air as far as possible；And the height of lower floor's semi-hollow cylinder 5
Degree can make sample introduction needle be more easy to surrounding and push fan-shaped cylinder 6 open, and the most still have preferably between 1-3 mm
Sealing effectiveness, extends the use time washing pin solution.
Clean sample bottle diffuser cap 1 straight type and tapered politef (PTFE) be applicable to automated fluid injector to enter
Sample pin syringe needle and hand sampling pin syringe needle.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent substitution and improvement etc. made, should be included in guarantor of the present utility model
Within the scope of protecting.
Claims (3)
1. one kind is cleaned sample bottle diffuser cap, it is characterised in that include upper strata hollow cylinder (2), cylindrical plane (3), middle level
Hollow round table (4) and (5) four parts of lower floor's semi-hollow cylinder, it is characterised in that described middle level hollow round table (4) connects upper strata
Hollow cylinder (2) and lower floor's semi-hollow cylinder (5)；Upper strata hollow cylinder (2), middle level hollow round table (4) and lower floor's semi-hollow circle
Post (5) is connected with each other from top to bottom；Hollow cylinder design the most wide at the top and narrow at the bottom, when sample pin enters lower floor's semi-hollow cylinder
(5) can push open during bottom, can recover after extracting to seal.
A kind of cleaning sample bottle diffuser cap the most according to claim 1, it is characterised in that described lower floor's semi-hollow cylinder
(5) height is 1-3mm, and is made up of four independent fan-shaped cylinders (6), and the top half of each fan-shaped cylinder is truncated one
Quad cone (7) shape, when four fan-shaped cylinders are combined, forms an inverted cone groove (8)；Its fan-shaped cylinder
Two sides of the latter half shaft be closely contacted with each other.
A kind of cleaning sample bottle diffuser cap the most according to claim 1, it is characterised in that described cleaning sample bottle diffuser cap
Being the entirety utilizing compression molding technology to make, each ingredient cannot separately be loaded and unloaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620306618.5U CN205801910U (en) | 2016-04-13 | 2016-04-13 | A kind of cleaning sample bottle diffuser cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620306618.5U CN205801910U (en) | 2016-04-13 | 2016-04-13 | A kind of cleaning sample bottle diffuser cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205801910U true CN205801910U (en) | 2016-12-14 |
Family
ID=58144013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620306618.5U Active CN205801910U (en) | 2016-04-13 | 2016-04-13 | A kind of cleaning sample bottle diffuser cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205801910U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106770848A (en) * | 2017-01-19 | 2017-05-31 | 浙江福立分析仪器股份有限公司 | A kind of liquid chromatogram automatic sampler and its injection port auto-correction method |
-
2016
- 2016-04-13 CN CN201620306618.5U patent/CN205801910U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106770848A (en) * | 2017-01-19 | 2017-05-31 | 浙江福立分析仪器股份有限公司 | A kind of liquid chromatogram automatic sampler and its injection port auto-correction method |
| CN106770848B (en) * | 2017-01-19 | 2018-10-12 | 浙江福立分析仪器股份有限公司 | A kind of liquid chromatogram autosampler and its injection port auto-correction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 300392 Huayuan Industrial Zone, Tianjin Binhai Hi-tech Zone (Outside the Ring) Building 5, Building 6, 7, 8 and 9, No. 15, Haitai Huake Road Patentee after: Pony Test Technology (Tianjin) Co.,Ltd. Address before: 300110 Hongqi Road, Nankai District, Tianjin, Tenth Floor of Wingwei Building Patentee before: Pony Test Technology (Tianjin) Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| DD01 | Delivery of document by public notice |
Addressee: Pony Test Technology (Tianjin) Co.,Ltd. Document name: Notification of Passing Examination on Formalities |
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| DD01 | Delivery of document by public notice |