CN206248379U - Portable micro sampling dilution Dropping feeder - Google Patents

Portable micro sampling dilution Dropping feeder Download PDF

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Publication number
CN206248379U
CN206248379U CN201621334749.0U CN201621334749U CN206248379U CN 206248379 U CN206248379 U CN 206248379U CN 201621334749 U CN201621334749 U CN 201621334749U CN 206248379 U CN206248379 U CN 206248379U
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China
Prior art keywords
extractor
dilution
bottle
sampling
liquids
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CN201621334749.0U
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Chinese (zh)
Inventor
秦川
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Chongqing Zhongyuan Ji Ji Biological Technology Co., Ltd.
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CHONGQING ZHONGYUAN BIOTECHNOLOGY Co Ltd
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Abstract

The utility model discloses a kind of portable micro sampling dilution Dropping feeder, including dilution bottle and extractor;The profile that dilution bottle has bottleneck, extractor is integrally filled in bottle mouth position formation and is tightly connected in list structure, and extractor;It is the sampling end of capillary pipe structure that the internal one end of dilution bottle is located on extractor, and the one end outside dilution bottle is located on extractor to ooze end, the internal run-through of extractor be provided with so that between sampling end and oozing is held connection flow channel for liquids;It is characterized in that:Be in contact with the bottleneck of dilution bottle on extractor part lateral surface to fill in joint face;The position filled between joint face and flow channel for liquids that is internally located at of extractor is the annular hollow structure around the flow channel for liquids.The portable micro sampling dilution Dropping feeder that liquid flows more smoothly in the flow channel for liquids that above-mentioned portable micro sampling dilution Dropping feeder enables to inside extractor.

Description

Portable micro sampling dilution Dropping feeder
Technical field
The utility model belongs to microsampling dilution Dropping feeder field, and in particular to a kind of portable micro sampling dilution Dropping feeder.
Background technology
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 Surely.
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 Secondary exhaust.
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 Figure.
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 State).
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.
Specific embodiment
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.

Claims (6)

1. portable micro sampling dilution Dropping feeder, including dilution bottle and extractor;The dilution bottle has bottleneck, institute The profile for stating extractor is integrally filled in the bottle mouth position formation and is tightly connected in list structure, and the extractor;The absorption The one end being located on device inside dilution bottle is the sampling end of capillary pipe structure, and the dilution is located on the extractor One end outside bottle to ooze end, the internal run-through of the extractor be provided with so that the sampling end and it is described ooze hold between connect Logical flow channel for liquids;It is characterized in that:The lateral surface of part of being in contact with the bottleneck of dilution bottle on the extractor is 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 this The annular hollow structure of flow channel for liquids.
2. portable micro sampling according to claim 1 dilutes Dropping feeder, it is characterised in that:On the flow channel for liquids Two cavitys are provided with the neighbouring sampling end.
3. portable micro sampling according to claim 1 dilutes Dropping feeder, it is characterised in that:The annular hollow knot Structure is openend away from one end of the sampling end.
4. portable micro sampling according to claim 3 dilutes Dropping feeder, it is characterised in that:The side of the openend Edge is formed with a ring shape limited block along the direction evagination perpendicular to the flow channel for liquids length.
5. portable micro sampling according to claim 4 dilutes Dropping feeder, it is characterised in that:The side of the openend Edge extends the sleeve for being formed with connection along the direction of the flow channel for liquids length;Also include the overall bottle in sleeve-like configuration Lid, between the bottle cap and the sleeve socket is connected, and the medial surface of the cover plate of the bottle cap and the extractor are oozed The end face at end is abutted against.
6. portable micro sampling according to claim 5 dilutes Dropping feeder, it is characterised in that:The cover plate of the bottle cap Medial surface on the position corresponding with the port for oozing end of the extractor be provided with a projection for blocking the port.
CN201621334749.0U 2016-12-07 2016-12-07 Portable micro sampling dilution Dropping feeder Active CN206248379U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621334749.0U CN206248379U (en) 2016-12-07 2016-12-07 Portable micro sampling dilution Dropping feeder

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Application Number Priority Date Filing Date Title
CN201621334749.0U CN206248379U (en) 2016-12-07 2016-12-07 Portable micro sampling dilution Dropping feeder

Publications (1)

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CN206248379U true CN206248379U (en) 2017-06-13

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107525693A (en) * 2017-08-17 2017-12-29 基蛋生物科技股份有限公司 A kind of quantitative sampling sample adding device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107525693A (en) * 2017-08-17 2017-12-29 基蛋生物科技股份有限公司 A kind of quantitative sampling sample adding device
CN107525693B (en) * 2017-08-17 2018-07-13 基蛋生物科技股份有限公司 A kind of quantitative sampling sample adding device

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Effective date of registration: 20180116

Address after: 400000 Taikang Road Dadukou District of Chongqing Bridge Industrial Park C District No. 6 Building 30 layer 1-4

Patentee after: Chongqing Zhongyuan Ji Ji Biological Technology Co., Ltd.

Address before: Jiulongpo Branch Park four street 400039 Chongqing city 70-1, 70-2, J block three layer

Patentee before: CHONGQING ZHONGYUAN BIOTECHNOLOGY CO., LTD.