Portable micro sampling dilution Dropping feeder
The utility model belongs to microsampling dilution Dropping feeder field, and in particular to a kind of portable micro sampling dilution
At present, conventional microsampling, dilute and the operation for detecting：First it is by set multiple in dilution bottle
Add quantitative dilution；Then, with capillary or pipettor quantitatively draw sample to be tested to dilution bottle in, be well mixed
Afterwards；Finally, then the pipettor of specific scale is changed, the sample diluted after mixing is added drop-wise in reaction unit or detector.With
The overall process of upper operation is related to the transfer of three liquid and the replacing of measuring container twice, with being readily incorporated error, pollution
Risk is big and time cost weak point high.
Notification number is CN204389227U, entitled " extractor, the sampling dilution device using the extractor in the prior art
And analysis system " technical scheme disclosed in have a kind of sampling dilution device（Referring to Fig. 1 and Fig. 2 in this specification accompanying drawing）, should
Sampling dilution device 10 includes extractor 12 and dilution tube 14.The extractor 12 be used for collecting sample, it include suction nozzle 120 with
The connecting portion 126 of conduit 122 and the connection suction nozzle 120 and conduit 122.The suction nozzle 120 is used for collecting sample.It is described to lead
Pipe 122 is used to derive sample.The central axis of the whole extractor 12 of center axis deviation of the suction nozzle 120.The dilution tube
14 are used to contain dilution.In one end insertion dilution tube 14 where the suction nozzle 120 of the insertion dilution tube 14 of the extractor 12 with
Sample is derived and is mixed with dilution.The conduit 122 is used to derive mixed sample to the detection medium 20.
But above-mentioned extractor 12 is filling in dilution tube 14, and the inwall at the mouth of pipe of dilution tube 14 can be to the outside of extractor 12
Face forms extruding, so that the lateral surface elastic shrinkage deformation of extractor 12, and then cause the liquid flow inside extractor 12
Narrow and hinder the flowing of liquid at this in road.
Based on this, liquid flows more during applicant considers a kind of flow channel for liquids enabled to inside extractor of design
For smoothly portable micro sampling dilutes Dropping feeder.
Utility model content
For above-mentioned the deficiencies in the prior art, technical problem to be solved in the utility model is：How a kind of energy is provided
Enough so that the portable micro sampling dilution Dropping feeder that liquid flows more smoothly in flow channel for liquids inside extractor.
In order to solve the above-mentioned technical problem, the utility model employs following technical scheme：
A kind of portable micro sampling dilution Dropping feeder, including dilution bottle and extractor；The dilution bottle has
Bottleneck, the profile of the extractor is integrally filled in the bottle mouth position formation and is tightly connected in list structure, and the extractor；Institute
It is the sampling end of capillary pipe structure to state the one end being located on extractor inside dilution bottle, is located on the extractor described
To ooze end, the internal run-through of the extractor is provided with so that the sampling end and described oozing end for one end outside dilution bottle
Between connect flow channel for liquids；It is characterized in that：Be in contact the outer of part on the extractor with the bottleneck of dilution bottle
Side is to fill in joint face；The position filled between joint face and the flow channel for liquids that is internally located at of the extractor is
Around the annular hollow structure of the flow channel for liquids.
Connection sampling end is provided only with inside extractor of the prior art and the flow channel for liquids at end is oozed, so,
When extractor fill in dilution bottle bottleneck after, extractor be in contact with bottleneck part can elastic shrinkage deformation so that will suction
Device is taken to be sealed with bottleneck touching position.But the contraction distortion of the part that is also in contact with bottleneck because of extractor, causes inside at this
The bore of flow channel for liquids narrow, influence the mobility of the liquid of flow channel for liquids.
After extractor in the utility model is provided with above-mentioned annular hollow structure, extractor fills in the bottleneck of dilution bottle
Afterwards, extractor is in contact the lateral surface elastic shrinkage deformation of part with bottleneck, because extractor is internally located at the company of filling in
Position between junction and the flow channel for liquids is the annular hollow structure around the flow channel for liquids, therefore flow channel for liquids will not be received
To the influence of above-mentioned elastic shrinkage deformation, it is ensured that flow channel for liquids swimmingly can carry out water conservancy diversion to liquid all the time.
Preferably, being provided with two cavitys at the neighbouring sampling end on the flow channel for liquids.
Two cavity structures set on aforesaid liquid runner, and two bores of cavity are more than adjacent flow channel for liquids
Bore, collects so as to may be such that liquid to more readily flow into formed in cavity, and causes that the fluid flow flowed out through cavity is more flat
Additionally, two cavity structures set on aforesaid liquid runner, can be inverted the group of dilution bottle and extractor
When fit so that the liquid in dilution bottle is entered into an adjacent cavity by sampling end first, because of the bore of cavity
More than the bore of sampling end capillary, therefore liquid can in the cavity collect and enable to the bubble in liquid in the sky first
Ruptured in chamber, so as to bubble in liquid be excluded.Then, after liquid flow to second cavity through first cavity, two are carried out
Preferably, the annular hollow structure is openend away from one end of the sampling end.
When above-mentioned annular hollow structure is openend away from one end of the sampling end, it becomes possible to avoid extractor plug completely
The elastic shrinkage for entering rear lateral surface deforms influence to internal fluid channels, therefore playing optimal ensures that flow channel for liquids all the time can
The effect of water conservancy diversion is swimmingly carried out to liquid.
Preferably, the edge of the openend is formed with a circle along the direction evagination perpendicular to the flow channel for liquids length
Annular stop block.
The setting of above-mentioned annular stop block, can form spacing when extractor is fully inserted into the bottleneck of dilution bottle, from
And cause that filling in for extractor operates more accurately and reliably.
Preferably, the edge of the openend extends the set for being formed with connection along the direction of the flow channel for liquids length
Cylinder；Also include the overall bottle cap in sleeve-like configuration, socket is connected between the bottle cap and the sleeve, and the bottle cap lid
The medial surface of plate is abutted against with the end face for oozing end of the extractor.
The setting of above-mentioned extractor upper bush structure, and the utility model also structure including bottle cap, can be to drawing
The end that oozes of device carries out covering closing, consequently facilitating treating sample originally carries out accumulating.
Preferably, position corresponding with the port for oozing end of the extractor on the medial surface of the cover plate of the bottle cap
Install and be equipped with a projection for blocking the port.
The setting of above-mentioned bottle cap raised structures, the port for oozing end that can be preferably to extractor blocks, lifting
Ooze the sealing of the port at end.
Brief description of the drawings
Fig. 1 be notification number be CN204389227U, it is entitled " extractor, the sampling dilution device using the extractor and point
The dimensional structure diagram of the extractor in the patent of analysis system ".
Fig. 2 is the sectional view of extractor in Fig. 1.
Fig. 3 is the structural representation of extractor in portable micro sampling dilution Dropping feeder of the present utility model.
Fig. 4 is the structural representation of extractor in portable micro sampling dilution Dropping feeder of the present utility model.
Fig. 5 is A-A sectional views in Fig. 4.
Fig. 6 is the structural representation of the dilution bottle of portable micro sampling dilution Dropping feeder of the present utility model.
Fig. 7 is the structural representation of the bottle cap of the dilution bottle of portable micro sampling dilution Dropping feeder of the present utility model
Fig. 8 is the structural representation in portable micro sampling dilution Dropping feeder of the present utility model.
Fig. 9 is the structural representation of portable micro sampling dilution Dropping feeder of the present utility model（Ooze sample to be checked
Marked in Fig. 3 to Fig. 9：
1 dilution bottle, 11 is raised, 12 aluminium foils；
2 extractors, 21 sampling ends, 22 ooze end, 23 flow channel for liquids, 24 two cavitys, and 25 fill in joint face, in 26 annulars
Hollow structure, 27 annular stop blocks, 28 sleeves；
3 bottle caps, 31 cover plates, 32 projections.
The utility model is described in further detail below in conjunction with the accompanying drawings.Wherein, for description using it is all as above,
Under, the exemplary term such as left and right, it is therefore intended that help reader to understand, without being intended for limitation.
During specific implementation：As shown in Fig. 3 to Fig. 9, a kind of portable micro sampling dilution Dropping feeder, including dilution bottle
1 and extractor 2；The dilution bottle 1 has bottleneck, and the profile of the extractor 2 is integrally in list structure, and the extractor
2 fill in the bottle mouth position formation is tightly connected；It is capillary that the one end inside dilution bottle 1 is located on the extractor 2
The sampling end 21 of structure, is located at the one end outside dilution bottle 1 to ooze end 22 on the extractor 2, the extractor 2
Internal run-through be provided with so that the sampling end 21 and it is described ooze end 22 between connect flow channel for liquids 23；The extractor 2
On be in contact with the bottleneck of dilution bottle 1 part lateral surface to fill in joint face 25；The extractor 2 is internally located at
The position filled between joint face 25 and the flow channel for liquids 23 is the annular hollow structure 26 around the flow channel for liquids 23.
Wherein, two cavitys 24 are provided with the neighbouring sampling end 21 on the flow channel for liquids 23.
Two structures of cavity 24 set on aforesaid liquid runner 23, and two bores of cavity 24 are more than adjacent liquid
The bore of runner 23, collects, and cause the liquid flow flowed out through cavity so as to may be such that liquid to more readily flow into formed in cavity
Amount is more steady.
Additionally, two structures of cavity 24 set on aforesaid liquid runner 23, can be inverted dilution bottle 1 and extractor
During 2 assembly so that the liquid in dilution bottle 1 is entered into an adjacent cavity by sampling end 21 first, because of sky
The bore in chamber more than the capillary of sampling end 21 bore, therefore during liquid can in the cavity collect and enables to liquid first
Bubble ruptures in the cavity, so as to bubble in liquid be excluded.Then, when liquid flow to second cavity through first cavity
Afterwards, secondary exhaust is carried out.
During implementation, of neighbouring sampling end 21 passes through and the capillary-like structures of sampling end 21 between in two cavitys 24
Bore is connected less than the passage of the bore of capillary-like structures.
Wherein, the annular hollow structure 26 is openend away from one end of the sampling end 21.
Wherein, the edge of the openend is formed with a ring along the direction evagination perpendicular to the length of the flow channel for liquids 23
Shape limited block 27.
Wherein, the edge of the openend extends the sleeve for being formed with connection along the direction of the length of the flow channel for liquids 23
28；Also include the overall bottle cap 3 in the shape structure of sleeve 28, socket is connected between the bottle cap 3 and the sleeve 28, and the bottle
The medial surface of the cover plate 31 of lid 3 is abutted against with the end face for oozing end 22 of the extractor 2.
During implementation, preferably described dilution bottle 1, extractor 2 and bottle cap 3 have plastic material to be obtained.
Wherein, the port for oozing end 22 on the medial surface of the cover plate 31 of the bottle cap 3 with the extractor 2 is corresponding
Position is provided with a projection 32 for blocking the port.
It is immersed on the medial surface in dilution in the dilution bottle 1 and is provided with raised 11.
Above-mentioned portable micro sampling dilution Dropping feeder when in use, first, is adopted using the sampling end 21 of extractor 2
Collection sample solution；Then, by the sampling end 21 of extractor 2 through dilution bottle 1 bottleneck stretch into dilution bottle 1 in, and cause draw
Device 2 is overall to fill in the bottle mouth position formation sealing；Again then, the assembly of dilution bottle 1 and extractor 2 is rocked, extractor 2
Sample solution in sampling end 21 is mixed in instilling the dilution contained in dilution bottle 1.Because being immersed in dilution bottle 1
Raised 11 are provided with medial surface in dilution, dilution can mutually clash into the projection 11 and form turbulent flow in flow process
（It is also called sinuous flow, flow-disturbing or turbulent flow）, so that mixing more full and uniform between dilution liquid energy and sample solution.Finally,
The assembly of dilution bottle 1 and extractor 2 is inverted,（Extruding dilution bottle 1）Sample to be checked can be added drop-wise to reaction unit
Or test is completed in reagent.
It can be seen that, portable micro sampling dilution Dropping feeder of the present utility model, using above-mentioned more simplified projection 11
Structure is to enable to mix more full and uniform between dilution liquid energy and sample solution, and also causes the overall structure of extractor 2
It is more simplified, therefore manufacture difficulty and cost can be reduced.
Additionally, above-mentioned raised 11 structure can also strengthen the structural strength of dilution 1 side wall of bottle, effectively prevention side wall breaks
Damage, so as to preferably form protection to the liquid contained in dilution bottle 1.
During implementation, the interior diameter of the capillary-like structures of preferably described sampling end 21 is 0.2 to 2 millimeter, and volume is 1 to 15
Microlitre, the overall diameter of the sampling end 21 is 1.1 to 2 times of the interior diameter.So, the sampling end 21 can be made using capillary
For drawing target liq.The volume of the capillary-like structures of sampling end 21 is quantitative volume and can mold according to actual needs
It is customized.
Wherein, described raised 11 it is located at the bottom position of dilution bottle 1.
So, the projection 11 positioned at the bottom position of dilution bottle 1 will not hinder sampling work personnel using naked eyes
To being observed in dilution bottle 1.
Extractor 2 and bottle cap 3 can in advance be combined connection by above-mentioned portable micro sampling dilution Dropping feeder using preceding
It is integrated, in case subsequent sampling and dropwise addition sample.Dilution bottle 1, can be in factory or laboratory by dilution root using preceding
According to extension rate prepackage 200-1500 μ L in dilution bottle 1, and dilution bottle 1 is sealed with aluminium foil 12, in case subsequent dilution,
Storage is used.
Above-mentioned portable micro sampling dilution Dropping feeder when for sampling, bottle cap 3 hand-held first（With extractor
Bottle cap 3 after 2 combination connections）, sample is directly drawn with the quantitative sampling capillary of the sampling end 21 of extractor 2.
Then, then with sampling end 21 the sealing aluminium foil 12 of dilution bottle 1 is punctured, extractor 2 is filled in into dilution bottle 1 forms
It is tightly connected, and causes that extractor 2, bottle cap 3 and dilution bottle 1 forms the drop bottle for connecting as one.Now, when extractor 2 is filled in
After entering dilution bottle 1, can lead the pressure in the bottle increases suddenly so that the sample in quantitative sampling capillary sprays.Sample after ejection
This, is stopped by the dividing plate between two cavitys 24 on the internal liquid runner 23 of extractor 2, is put and is stayed in dilution bottle 1
It is interior.
Again then, dilution and sample are sufficiently mixed by shaking the body of dilution bottle 1, form sample to be checked simultaneously
It is stored in drop bottle, is readily transported.
When needing test, the bottle cap 3 of drop bottle can be taken, extractor 2 is oozed into end 22 down, extruding dilution bottle 1
Bottle wall, during sample to be checked is added drop-wise into reaction unit or reagent complete test.
The above is only the utility model preferred embodiment, need to point out not departed from for those skilled in the art
On the premise of the technical program, some deformations and improvement can also be made, above-mentioned deformation and improved technical scheme should be regarded equally
For fall into this application claims scope.