CN108246376A - A kind of novel quantitative inhales dropper - Google Patents
A kind of novel quantitative inhales dropper Download PDFInfo
- Publication number
- CN108246376A CN108246376A CN201810226192.6A CN201810226192A CN108246376A CN 108246376 A CN108246376 A CN 108246376A CN 201810226192 A CN201810226192 A CN 201810226192A CN 108246376 A CN108246376 A CN 108246376A
- Authority
- CN
- China
- Prior art keywords
- dropper
- outer sleeve
- sleeve
- inhales
- capillary
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 description 16
- 238000005070 sampling Methods 0.000 description 16
- 239000003153 chemical reaction reagent Substances 0.000 description 4
- 238000005213 imbibition Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 241001191009 Gymnomyza Species 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 210000005239 tubule Anatomy 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
-
- 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
- B01L2300/00—Additional constructional details
- B01L2300/08—Geometry, shape and general structure
- B01L2300/0832—Geometry, shape and general structure cylindrical, tube shaped
- B01L2300/0838—Capillaries
Landscapes
- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The present invention provides a kind of novel quantitative and inhales dropper, including tube body and cup body, tube body includes the dropper, outer sleeve, inner sleeve, stent and the capillary that from top to bottom set gradually, the upper port of outer sleeve radially extends internally and is connect with the lower end of dropper, dropper is connected with outer sleeve, inner sleeve is sheathed on the lower inside of outer sleeve, and lower end is connect by stent with capillary；Capacity adjusting rod is provided in tube body, capacity adjusting rod includes fixture block and the barred body for being set to fixture block lower end, fixture block is fastened in inner sleeve, it corresponds to the upper surface of inner sleeve and is provided with the first screens step, the diameter of barred body is less than inner sleeve lower port internal diameter, stretches out in outside inner sleeve and extends downward into inside capillary；Cup body is the sleeve shaped structure of one end closing, and the external wall of upper portion of outer sleeve is equipped with annular convex platform, and cup body is set on outer sleeve and positioned at the lower part of annular convex platform, and inner wall is fitted close with outer sleeve.
Description
Technical field
The present invention relates to a kind of sampling of laboratory fluids and dropper, particularly a kind of novel quantitative inhales dropper.
Background technology
With popularizing for medicine biochemical investigation field semi-automated analysis instrument, micro quantitative determination sampling has become inspection result standard
Key point whether really.Due to detecting the milligram ammonia of sample, need to have come by microsampling and dropper when detecting
Into.
Chinese patent CN201320388585.X discloses a kind of quantitatively suction dropper and the sample mouth of dropper is quantitatively inhaled with this
Cup, is formed by quantitatively inhaling dropper, sample cup lid and sample cup body, wherein quantitatively inhaling dropper includes dropper, suction pipe and outer tube, it should
Dropper is quantitatively inhaled for completing sampling and dropping liquid, and easy to operate, experimental efficiency is high, but the capillary in dropper is quantitatively inhaled when this
When caliber is larger, the speed for drawing liquid is very slow, influences working efficiency, therefore the capacity of its sampling is extremely limited, only 5uL
~10uL is not suitable for disposably sampling experiment during more sampling liquid.
In view of this, the present inventor specially devises a kind of novel quantitative suction dropper, thus this case generates.
Invention content
To solve the above-mentioned problems, technical scheme is as follows：
A kind of novel quantitative inhales dropper, including tube body and cup body, the tube body include the dropper from top to bottom set gradually,
Outer sleeve, inner sleeve, stent and capillary, the upper port of the outer sleeve radially extend internally and connect with the lower end of dropper
It connects, the dropper is connected with outer sleeve, and the inner sleeve is sheathed on the lower inside of outer sleeve, and lower end passes through stent and capillary
Pipe connects；Capacity adjusting rod is provided in the tube body, the capacity adjusting rod includes fixture block and is set to fixture block lower end
Barred body, the fixture block are fastened in inner sleeve, and the upper surface for corresponding to inner sleeve is provided with the first screens step, the barred body
Diameter is less than inner sleeve lower port internal diameter, stretches out in outside the inner sleeve and extends downward into inside capillary；The cup body
For the sleeve shaped structure of one end closing, the external wall of upper portion of the outer sleeve is equipped with annular convex platform, and the cup body is set in outer sleeve
Lower part upper and positioned at annular convex platform, inner wall are fitted close with outer sleeve.
Further, the lower part of the capillary is in inverted taper type, and the lower end of the barred body is provided accordingly to point
Sharp shape.
Further, cup lid is provided with above the tube body, the cup lid is set on outer sleeve and positioned at annular convex platform
Top, inner wall and outer sleeve be fitted close, and inside top is abutted with the upper end of dropper.
Further, the inside top of the cup lid correspond to dropper upper end be equipped with the second groove, second groove
Inner wall is fitted close with dropper.
Further, the slot bottom of second groove is equipped with spherical surface hill.
Further, the lower port of the cup lid corresponds to annular convex platform and is equipped with sealing ladder.
Further, the inner wall of the cup body and cover corresponds to outer sleeve equipped with several bulge loops.
Further, the upper end of the fixture block is extended upwardly to abuts with outer sleeve inside top, and the upper end corresponds to dropper
Lower end be equipped with the first groove, the dropper connected by the first groove with outer sleeve.
Further, reinforcing rib is equipped between the outer sleeve and dropper.
As shown from the above technical solution, compared with prior art, the present invention having an advantageous effect in that：
The present invention can be used the larger capillary of capacity and carry out imbibition, by setting capacity adjusting rod in tube body, and make
Barred body is extended in capillary, it is possible to increase and while quantitatively inhaling dropper sampling capicity, accelerate rate of liquid aspiration, improve working efficiency,
Make, it is suitable for need to disposably draw the sampling of higher capacity liquid, to have a vast market prospect；And by suitably choosing
Various capacity and the quantitative suction dropper of specification can be made in the internal diameter of capillary, the diameter of length and barred body, length.
Description of the drawings
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the sectional view of the present invention；
Fig. 2 is the structure diagram of tube body of the present invention；
Fig. 3 is the decomposition texture schematic diagram of tube body of the present invention；
Fig. 4 is the sectional view of cup lid of the present invention.
Label declaration：
2- cup bodies, 3- cup lids, 11- droppers, 12- outer sleeves, 121- annular convex platform, 13- inner sleeves, 14- stents, 15- maos
Tubule, 16- capacity adjusting rods, 161- fixture blocks, the first grooves of 1611-, 1612- the first screens steps, 162- barred bodies, 31- second
Groove, 32- spherical surface hills, 33- sealing ladders, 34- bulge loops.
Specific embodiment
It please refers to Fig.1 to 4, is a kind of novel quantitative suction dropper as highly preferred embodiment of the present invention, including tube body, cup
Body 2 and cup lid 3, tube body include the dropper 11, outer sleeve 12, inner sleeve 13, stent 14 and the capillary that from top to bottom set gradually
15, the upper port of outer sleeve 12 radially extends internally and is connect with the lower end of dropper 11, and dropper 11 is connected with outer sleeve 12,
Inner sleeve 13 is sheathed on the lower inside of outer sleeve 12, and lower end is connect by stent 14 with capillary 15, outer sleeve 12 it is interior
The upper end that side wall corresponds to inner sleeve 13 is provided with the second screens step (figure is not marked), convenient between inner sleeve 13 and outer sleeve 12
Accurate installation；Capacity adjusting rod 16 is provided in tube body, capacity adjusting rod 16 includes fixture block 161 and is set to 161 lower end of fixture block
The barred body 162 in portion, fixture block 161 are fastened in inner sleeve 13, and the upper surface for corresponding to inner sleeve 13 is provided with the first screens step
1612, capacity adjusting rod 16 is made to be inserted into accurate location when being inserted into inner sleeve 13, the diameter of barred body 162 is less than 13 lower end of inner sleeve
Mouthful internal diameter, stretches out in that inner sleeve 13 is outer and extend downward into inside capillary 15, extend to depth in capillary 15 and
The diameter of the barred body 162 is adapted with the capillary 15 of dimension, and the barred body 162 of capacity adjusting rod 16 is inserted into capillary
After accurate location in 15, the acquisition capacity of capillary 15 is made to be adjusted to the quantitative capacity specifications for inhaling dropper setting；Cup body 2 is one
The sleeve shaped structure that end seal is closed, cup body 2 are made of the elastic polymer material for meeting medical devices call, convenient for squeezing, outside
The external wall of upper portion of sleeve 12 is equipped with annular convex platform 121, and cup body 2 is set on outer sleeve 12 and is located at the lower part of annular convex platform 121,
Its inner wall is fitted close with outer sleeve 12；Cup lid 3 is provided with above tube body, cup lid 3 is set on outer sleeve 12 and positioned at annular
The top of boss 121, inner wall are fitted close with outer sleeve 12, and inside top is abutted with the upper end of dropper 11.The present embodiment
Described in dropper 11, outer sleeve 12, inner sleeve 13, barred body 162 and capillary 15 be coaxially disposed, the stent 14 be two.
The present invention can be used the larger capillary 15 of capacity and carry out imbibition, and can increase quantitative suction dropper by using said structure design takes
While sample capacity, accelerate rate of liquid aspiration, improve working efficiency, make that it is suitable for need to disposably drawing adopting for higher capacity liquid
Sample.
Specifically, the lower part of capillary 15 is in inverted taper type, and the lower end of barred body 162 corresponds to the lower part phase of capillary 15
That answers is set as tip shape, convenient for drawing liquid.
The inside top of the cup lid 3 correspond to dropper 11 upper end be equipped with the second groove 31, the inner wall of the second groove 31 with
Dropper 11 is fitted close, and the slot bottom (nozzle of corresponding dropper 11) of the second groove 31 is equipped with spherical surface hill 32, the lower port of cup lid 3
Corresponding annular convex platform 121, which is equipped with, seals ladder 33, and the inner wall of cup body 2 and cup lid 3 corresponds to outer sleeve 12 and is equipped with several bulge loops 34,
Cup lid 3 can be made to be fitted close with outer sleeve 12 and dropper 11 using the above structure, and cup body 2 is made to be fitted close with outer sleeve 12,
When sampling liquid can be effectively prevent to be mixed with reagent Seepage occurs for good airproof performance.
The upper end of fixture block 161 is extended upwardly to abut with 12 inside top of outer sleeve, and the upper end corresponds to the lower end of dropper 11
Equipped with the first groove 1611 for resigning, dropper 11 is connected by the first groove 1611 with outer sleeve 12.If capacity adjusting rod
16 are not inserted into not, when inner sleeve 13 is inserted in outer sleeve 12, can capacity adjusting rod 16 be further pressed onto accurate location, ensure
Quantitatively inhale the accuracy of dropper sample size.
Inner sleeve 13, stent 14 and capillary 15 are an integral structure, and dropper 11, outer sleeve 12 are an integral structure, card
Block 161 and barred body 162 are an integral structure, and using such connection structure, help to improve whole structural strength, outer sleeve
Reinforcing rib (not shown) is equipped between 12 and dropper 11, dropper 11 can be effectively prevent to be broken.
The quantitative suction dropper of the present invention when in use, need to first extract cup body 2, and sampling liquid is adopted with capillary 15
Sample；15 end of capillary is inserted into the cup body 2 equipped with quantitative reagent again, and after being sufficiently mixed sampling liquid and reagent；It takes out
Cup lid 3 squeezes cup body 2, makes mixed liquor followed by inner sleeve 13, outer sleeve 12, and finally oozed at dropper 11, greatly
The operating time is shortened, improves working efficiency.
In conclusion the present invention has the advantages that：
1st, the present invention can be used the larger capillary of capacity and carry out imbibition, by setting capacity adjusting rod in tube body, and
Barred body is made to extend in capillary, it is possible to increase while quantitatively inhaling dropper sampling capicity, accelerate rate of liquid aspiration, improve work effect
Rate makes, it is suitable for need to disposably draw the sampling of higher capacity liquid, to have a vast market prospect；And by suitably selecting
The internal diameter of capillary, the diameter of length and barred body, length are taken, various capacity and the quantitative suction dropper of specification can be made, and can
Realize single sampling 20uL~30uL.
2nd, the configuration of the present invention is simple, it is easy to operate available for completing quantitative sampling and dropping liquid, efficiency is improved, reduces detection
Cost；
3rd, by setting the spherical surface hill of bulge loop, the second groove and the second groove slot bottom in cup lid, the lower port of cup lid is led to
Cross setting sealing ladder, realize the tight fit of cup lid and dropper, outer sleeve, cup body by set three bulge loops realize its with it is outer
When sampling liquid can be effectively prevent to be mixed with reagent Seepage occurs for the tight fit of sleeve, good airproof performance.
4th, the lower part of capillary is set as inverted taper type, convenient for drawing liquid.
The present invention is exemplarily described above in conjunction with attached drawing, it is clear that present invention specific implementation is not by aforesaid way
Limitation, as long as employ the inventive concept and technical scheme of the present invention progress various unsubstantialities improvement or without changing
Other occasions are directly applied to by the design of the present invention and technical solution, within protection scope of the present invention.
Claims (10)
1. a kind of novel quantitative inhales dropper, which is characterized in that including tube body and cup body, the tube body includes from top to bottom setting successively
Dropper, outer sleeve, inner sleeve, stent and the capillary put, the upper port of the outer sleeve radially extend internally and with drop
The lower end connection of pipe, the dropper are connected with outer sleeve, and the inner sleeve is sheathed on the lower inside of outer sleeve, and lower end passes through
Stent is connect with capillary；Capacity adjusting rod is provided in the tube body, the capacity adjusting rod includes fixture block and is set to card
The barred body of block lower end, the fixture block are fastened in inner sleeve, and the upper surface for corresponding to inner sleeve is provided with the first screens step,
The diameter of the barred body is less than inner sleeve lower port internal diameter, stretches out in outside the inner sleeve and extends downward into capillary
Portion；The cup body is the sleeve shaped structure of one end closing, and the external wall of upper portion of the outer sleeve is equipped with annular convex platform, the cup body set
Loaded on outer sleeve and positioned at the lower part of annular convex platform, inner wall is fitted close with outer sleeve.
2. a kind of novel quantitative according to claim 1 inhales dropper, which is characterized in that the lower part of the capillary is in inversion
Taper type, the lower end of the barred body is provided accordingly to tip shape.
3. a kind of novel quantitative according to claim 1 inhales dropper, which is characterized in that is provided with cup above the tube body
Lid, the cup lid are set on outer sleeve and positioned at the tops of annular convex platform, and inner wall is fitted close with outer sleeve, in top
Side is abutted with the upper end of dropper.
4. a kind of novel quantitative according to claim 3 inhales dropper, which is characterized in that the inside top of the cup lid corresponds to
The upper end of dropper is equipped with the second groove, and inner wall and the dropper of second groove are fitted close.
5. a kind of novel quantitative according to claim 4 inhales dropper, which is characterized in that the slot bottom of second groove is equipped with
Spherical surface hill.
6. a kind of novel quantitative according to claim 3 inhales dropper, which is characterized in that the lower port of the cup lid corresponds to ring
Shape boss is equipped with sealing ladder.
7. a kind of novel quantitative according to claim 3 inhales dropper, which is characterized in that the inner wall of the cup lid corresponds to housing
Cylinder is equipped with several bulge loops.
8. a kind of novel quantitative according to claim 1 inhales dropper, which is characterized in that the inner wall of the cup body corresponds to housing
Cylinder is equipped with several bulge loops.
9. a kind of novel quantitative according to claim 1 inhales dropper, which is characterized in that the upper end of the fixture block upwardly extends
To being abutted with outer sleeve inside top, the lower end that the upper end corresponds to dropper is equipped with the first groove, and the dropper passes through the first groove
It is connected with outer sleeve.
10. a kind of novel quantitative according to claim 1 inhales dropper, which is characterized in that between the outer sleeve and dropper
Equipped with reinforcing rib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810226192.6A CN108246376B (en) | 2018-03-19 | 2018-03-19 | Quantitative suction and drip tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810226192.6A CN108246376B (en) | 2018-03-19 | 2018-03-19 | Quantitative suction and drip tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108246376A true CN108246376A (en) | 2018-07-06 |
| CN108246376B CN108246376B (en) | 2024-05-17 |
Family
ID=62747184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810226192.6A Active CN108246376B (en) | 2018-03-19 | 2018-03-19 | Quantitative suction and drip tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108246376B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109813708A (en) * | 2019-03-28 | 2019-05-28 | 厦门市中可医疗科技有限公司 | It is a kind of for in-vitro diagnosis industry can quantitative sampling portable inspection plastics box |
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| CN107486273A (en) * | 2017-08-14 | 2017-12-19 | 安徽工程大学 | A kind of high school chemistry teaching uses dropper structure with plastics |
| CN208115785U (en) * | 2018-03-19 | 2018-11-20 | 厦门汇川工贸有限公司 | A kind of novel quantitative suction dropper |
-
2018
- 2018-03-19 CN CN201810226192.6A patent/CN108246376B/en active Active
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| KR20040063634A (en) * | 2003-01-08 | 2004-07-14 | 삼성광주전자 주식회사 | The Instant Ice Cream Machine |
| CN203408722U (en) * | 2013-07-02 | 2014-01-29 | 江苏康健医疗用品有限公司 | Quantitative suction dropper and sample cup employing same |
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| US20150209777A1 (en) * | 2014-01-30 | 2015-07-30 | Rainin Instrument, Llc | Air displacement pipette with enhanced blowout |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109813708A (en) * | 2019-03-28 | 2019-05-28 | 厦门市中可医疗科技有限公司 | It is a kind of for in-vitro diagnosis industry can quantitative sampling portable inspection plastics box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108246376B (en) | 2024-05-17 |
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