CN208115785U - A kind of novel quantitative suction dropper - Google Patents
A kind of novel quantitative suction dropper Download PDFInfo
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- CN208115785U CN208115785U CN201820371751.8U CN201820371751U CN208115785U CN 208115785 U CN208115785 U CN 208115785U CN 201820371751 U CN201820371751 U CN 201820371751U CN 208115785 U CN208115785 U CN 208115785U
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- dropper
- outer sleeve
- sleeve
- inhales
- capillary
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Abstract
The utility model provides a kind of novel quantitative suction dropper, including tube body and cup body, tube body includes the dropper from top to bottom set gradually, outer sleeve, inner sleeve, bracket and capillary, the upper port of outer sleeve radially extends internally and connect with the lower end of dropper, dropper is connected to outer sleeve, inner sleeve is sheathed on the lower inside of outer sleeve, and lower end is connect by bracket 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, its upper surface for corresponding to inner sleeve is provided with the first detent 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 sleeve shaped structure closed at one end, and the external wall of upper portion of outer sleeve is equipped with annular convex platform, and cup body is set in the lower part on outer sleeve and being located at annular convex platform, and inner wall and outer sleeve are fitted close.
Description
Technical field
The utility model relates to a kind of sampling of laboratory fluids and dropper, especially a kind of novel quantitative inhales dropper.
Background technique
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
At.
Chinese patent CN201320388585.X, which is disclosed, a kind of quantitatively to be inhaled dropper and quantitatively inhales the sample mouth of dropper 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, is somebody's turn to do
Dropper is quantitatively inhaled for completing sampling and dropping liquid, easy to operate, experimental efficiency is high, but when this quantitatively inhales the capillary in dropper
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 when more sampling liquid.
In view of this, the present inventor specially devises a kind of novel quantitative suction dropper, thus this case generates.
Summary of the invention
To solve the above-mentioned problems, the technical solution of the utility model 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, bracket 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 to outer sleeve, and the inner sleeve is sheathed on the lower inside of outer sleeve, and lower end passes through bracket and capillary
Pipe connection；It is provided with capacity adjusting rod 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 detent 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
External wall of upper portion for sleeve shaped structure closed at one end, the outer sleeve is equipped with annular convex platform, and the cup body is set in outer sleeve
Lower part that is upper and being located at annular convex platform, inner wall and outer sleeve are fitted close.
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 is located 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 upper end that the inside top of the cup lid corresponds to dropper is equipped with the second groove, second groove
Inner wall and dropper are fitted close.
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 is connected to 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, the utility model compared with prior art, has an advantageous effect in that：
The utility model can be used the biggish capillary of capacity and carry out imbibition, by the way that capacity adjusting rod is arranged in tube body,
And extend to barred body in capillary, it is possible to increase while quantitatively inhaling dropper sampling capicity, to accelerate rate of liquid aspiration, improve work effect
Rate makes to have a vast market foreground it is suitable for need to disposably draw the sampling of higher capacity liquid；And by suitably selecting
The internal diameter of capillary, the diameter of length and barred body, length are taken, the quantitative suction dropper of various capacity and specification can be made.
Detailed description of the invention
The utility model is further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the cross-sectional view of the utility model；
Fig. 2 is the structural schematic diagram of the utility model tube body；
Fig. 3 is the decomposition texture schematic diagram of the utility model tube body；
Fig. 4 is the cross-sectional view of the utility model cup lid.
Label declaration：
2- cup body, 3- cup lid, 11- dropper, 12- outer sleeve, 121- annular convex platform, 13- inner sleeve, 14- bracket, 15- maos
Tubule, 16- capacity adjusting rod, 161- fixture block, the first groove of 1611-, 1612- the first detent step, 162- barred body, 31- second
Groove, 32- spherical surface hill, 33- seal ladder, 34- bulge loop.
Specific embodiment
Fig. 1 to 4 is please referred to, is that a kind of novel quantitative of the most preferred embodiment as the utility model inhales dropper, including pipe
Body, cup body 2 and cup lid 3, tube body include the dropper 11 from top to bottom set gradually, outer sleeve 12, inner sleeve 13, bracket 14 and hair
Tubule 15, the upper port of outer sleeve 12 radially extend internally and connect with the lower end of dropper 11, dropper 11 and outer sleeve 12
Connection, inner sleeve 13 are sheathed on the lower inside of outer sleeve 12, and lower end is connect by bracket 14 with capillary 15, outer sleeve 12
Inner sidewall correspond to the upper end of inner sleeve 13 and be provided with the second detent step (figure do not mark), convenient for inner sleeve 13 and outer sleeve 12 it
Between accurate installation；Capacity adjusting rod 16 is provided in tube body, capacity adjusting rod 16 is including fixture block 161 and is set to fixture block 161
The barred body 162 of lower end, fixture block 161 are fastened in inner sleeve 13, and the upper surface for corresponding to inner sleeve 13 is provided with the first detent
Step 1612, makes capacity adjusting rod 16 be inserted into accurate location when being inserted into inner sleeve 13, and the diameter of barred body 162 is less than inner sleeve 13
Lower port internal diameter stretches out in outside inner sleeve 13 and extends downward into inside capillary 15, extends to the depth in capillary 15
Degree and the diameter of the barred body 162 and the capillary 15 of dimension are adapted, and the barred body 162 of capacity adjusting rod 16 is inserted into hair
After accurate location in tubule 15, the acquisition capacity of capillary 15 is made to be adjusted to the quantitative capacity specifications for inhaling dropper setting；Cup body 2
For sleeve shaped structure closed at one end, cup body 2 is made of the elastic polymer material for meeting medical devices call, convenient for squeezing
Pressure, the external wall of upper portion of outer sleeve 12 are equipped with annular convex platform 121, and cup body 2 is set on outer sleeve 12 and is located at annular convex platform 121
Lower part, inner wall and outer sleeve 12 are fitted close；It is provided with cup lid 3 above tube body, cup lid 3 is set on outer sleeve 12 and is located at
The top of annular convex platform 121, inner wall and outer sleeve 12 are fitted close, and inside top is abutted with the upper end of dropper 11.This reality
It applies dropper 11 described in example, outer sleeve 12, inner sleeve 13, barred body 162 and capillary 15 to be coaxially disposed, the bracket 14 is two
Root.The utility model can be used the biggish capillary 15 of capacity and carry out imbibition, can increase by using said structure design quantitative
While inhaling dropper sampling capicity, accelerate rate of liquid aspiration, improves working efficiency, make that it is suitable for need to disposably drawing higher capacity
The sampling of liquid.
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 and outer sleeve 12 and dropper 11 can using the above structure be fitted close, and is fitted close cup body 2 and outer sleeve 12,
Good airproof performance can effectively prevent sampling liquid that leakage phenomenon occurs when mixing with reagent.
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 to 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, capacity adjusting rod 16 further can be pressed onto accurate location, guarantee
Quantitatively inhale the accuracy of dropper sample size.
Inner sleeve 13, bracket 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
It is equipped with reinforcing rib (not shown) between 12 and dropper 11, dropper 11 can be effectively prevent to be broken.
The quantitative suction dropper of the utility model when in use, need to first extract cup body 2, be carried out with 15 pairs of sampling liquid of capillary
Sampling；Again by the insertion of 15 end of capillary equipped in the cup body 2 of quantitative reagent, and make to sample after liquid and reagent be sufficiently mixed；It pulls out
Cup lid 3 is removed, cup body 2 is squeezed, makes mixed liquor followed by inner sleeve 13, outer sleeve 12, and finally ooze from dropper 11, greatly
Ground shortens the operating time, improves working efficiency.
In conclusion the utility model has the advantages that：
1, the utility model can be used the biggish capillary of capacity and carry out imbibition, be adjusted by the way that capacity is arranged in tube body
Stick, and extend to barred body in capillary, it is possible to increase while quantitatively inhaling dropper sampling capicity, accelerate rate of liquid aspiration, improves work
Make efficiency, makes to have a vast market foreground it is suitable for need to disposably draw the sampling of higher capacity liquid；And by appropriate
The internal diameter of capillary, the diameter of length and barred body, length are chosen in ground, and the quantitative suction dropper of various capacity and specification can be made,
And it can realize that single samples 20uL~30uL.
2, the utility model structure is simple, can be used for completing quantitative sampling and dropping liquid, easy to operate, improves efficiency, and reduces
Testing cost；
3, by the spherical surface hill of setting bulge loop, the second groove and the second groove slot bottom in cup lid, the lower port of cup lid is logical
Cross setting sealing ladder, realize cup lid and dropper, outer sleeve tight fit, cup body by setting three bulge loops realize its with it is outer
The tight fit of sleeve, good airproof performance can effectively prevent sampling liquid that leakage phenomenon occurs when mixing with reagent.
4, inverted taper type is set by the lower part of capillary, convenient for drawing liquid.
The utility model is exemplarily described above in conjunction with attached drawing, it is clear that the utility model specific implementation not by
The limitation of aforesaid way, as long as the various unsubstantialities carried out using the method concept and technical solution of the utility model change
Into, or it is not improved the conception and technical scheme of the utility model are directly applied into other occasions, in the utility model
Protection scope within.
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 successively setting
Dropper, outer sleeve, inner sleeve, bracket and the capillary set, the upper port of the outer sleeve radially extend internally and with drop
The lower end of pipe connects, and the dropper is connected to outer sleeve, and the inner sleeve is sheathed on the lower inside of outer sleeve, and lower end passes through
Bracket is connect with capillary；It is provided with capacity adjusting rod 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 detent 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 sleeve shaped structure closed at one end, and the external wall of upper portion of the outer sleeve is equipped with annular convex platform, the cup body set
Loaded on the lower part on outer sleeve and positioned at annular convex platform, inner wall and outer sleeve are fitted close.
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 be provided with cup above the tube body
Lid, the cup lid are set in the top on outer sleeve and being located at annular convex platform, and inner wall and outer sleeve are fitted close, 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 is corresponding
The upper end of dropper is equipped with the second groove, and the inner wall and 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 abutting 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 to 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 |
|---|---|---|---|
| CN201820371751.8U CN208115785U (en) | 2018-03-19 | 2018-03-19 | A kind of novel quantitative suction dropper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820371751.8U CN208115785U (en) | 2018-03-19 | 2018-03-19 | A kind of novel quantitative suction dropper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208115785U true CN208115785U (en) | 2018-11-20 |
Family
ID=64199365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820371751.8U Active CN208115785U (en) | 2018-03-19 | 2018-03-19 | A kind of novel quantitative suction dropper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208115785U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108246376A (en) * | 2018-03-19 | 2018-07-06 | 厦门汇川工贸有限公司 | A kind of novel quantitative inhales dropper |
-
2018
- 2018-03-19 CN CN201820371751.8U patent/CN208115785U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108246376A (en) * | 2018-03-19 | 2018-07-06 | 厦门汇川工贸有限公司 | A kind of novel quantitative inhales dropper |
| CN108246376B (en) * | 2018-03-19 | 2024-05-17 | 厦门汇川工贸有限公司 | Quantitative suction and drip tube |
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