CN211070132U - Quantitative pipette capable of eliminating bubbles - Google Patents
Quantitative pipette capable of eliminating bubbles Download PDFInfo
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- CN211070132U CN211070132U CN201921530845.6U CN201921530845U CN211070132U CN 211070132 U CN211070132 U CN 211070132U CN 201921530845 U CN201921530845 U CN 201921530845U CN 211070132 U CN211070132 U CN 211070132U
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Abstract
The utility model relates to an inhale burette technical field, refer in particular to a can eliminate quantitative pipette of bubble, hold the body including exhaust piece, quantitative imbibition piece and detection liquid, exhaust piece corresponds with quantitative imbibition piece and is connected, and quantitative imbibition piece corresponds to insert to detect liquid and holds internally, is equipped with sampling post and trachea on the quantitative imbibition piece, is equipped with the exhaust hole on the exhaust piece, exhaust hole and trachea intercommunication. By adopting the structure, the working principle is as follows: before the dropwise add sample, correspond to insert quantitative imbibition piece and detect liquid and hold internally, detect that the air that liquid held internally can flow to the piece of exhausting along with the trachea, discharge by the exhaust hole again, can effectively avoid the condition emergence of bubble when the dropwise add sample to improve test result's accuracy. When the sample is dripped, the exhaust piece is detached, the detection liquid containing body is inverted and extruded, and the detection liquid in the detection liquid containing body can flow out of the sampling column without bubbles, so that the bubble-free sample adding effect is realized.
Description
Technical Field
The utility model relates to the technical field of an aspiration and drop tube, in particular to a quantitative aspiration and drop tube capable of eliminating bubbles.
Background
The sucking and dropping tube is a tool integrating quantitative sampling and quantitative sample adding and is mainly used for in vitro diagnosis projects. At present, the existing pipette in the market is easy to generate bubbles in the testing process, so that the accuracy of the testing result is influenced.
SUMMERY OF THE UTILITY MODEL
To above problem, the utility model provides a can eliminate quantitative pipette of bubble adopts such structure setting, its theory of operation: before the dropwise add sample, correspond to insert quantitative imbibition piece and detect liquid and hold internally, detect that the air that liquid held internally can flow to the piece of exhausting along with the trachea, discharge by the exhaust hole again, can effectively avoid the condition emergence of bubble when the dropwise add sample to improve test result's accuracy. When the sample is dripped, the exhaust piece is detached, the detection liquid containing body is inverted and extruded, and the detection liquid in the detection liquid containing body can flow out of the sampling column without bubbles, so that the bubble-free sample adding effect is realized.
In order to achieve the above purpose, the utility model discloses the technical scheme who uses as follows:
the utility model provides a can eliminate quantitative pipette of bubble, includes that exhaust piece, quantitative imbibition piece and detection liquid hold the body, and exhaust piece corresponds with quantitative imbibition piece and is connected, and quantitative imbibition piece corresponds to insert and detects in the liquid holds the body, is equipped with sampling column and trachea on the quantitative imbibition piece, is equipped with the exhaust hole on the exhaust piece, exhaust hole and trachea intercommunication.
Further, ration imbibition piece includes imbibition piece casing, and the sampling post is fixed in imbibition piece casing below through the connecting rod, and the one end of sampling post is equipped with the imbibition mouth, and the other end of sampling post is equipped with the liquid outlet.
Furthermore, the air pipe is arranged in the shell of the liquid absorbing part, one end of the air pipe is provided with an air inlet, the other end of the air pipe is provided with an air outlet, and the air outlet is communicated with the air outlet.
Further, the sampling column adopts a quantitative capillary tube with fixed height and size.
Further, be equipped with imbibition piece connecting portion and fender ring on the imbibition piece casing, imbibition piece connecting portion correspond with the exhaust member and are connected, keep off the ring and detect the spacing setting of opening of liquid container.
Further, the exhaust member comprises an exhaust member housing, an exhaust member connecting portion is arranged on the exhaust member housing, and the exhaust member connecting portion is correspondingly connected with the liquid suction member connecting portion.
Further, a convex ring capable of clamping absorbent paper is arranged in the exhaust member shell.
Furthermore, a puncturing column is arranged on the exhaust member shell, the puncturing column is arranged in a hollow mode, and an exhaust hole is formed in the hollow position.
Furthermore, be equipped with the body connecting portion that holds that corresponds the setting with quantitative imbibition piece on detecting the liquid holding body, hold body connecting portion below and be equipped with upper seal, the bottom that detects the liquid holding body is equipped with lower seal, upper seal and lower seal constitute the seal chamber who can hold and detect liquid.
Further, the upper sealing portion is sealed by a foil, and the foil can be pierced by a piercing post provided on the exhaust member housing.
The utility model discloses beneficial effect:
by adopting the structure, the working principle is as follows: before the dropwise add sample, correspond to insert quantitative imbibition piece and detect liquid and hold internally, detect that the air that liquid held internally can flow to the piece of exhausting along with the trachea, discharge by the exhaust hole again, can effectively avoid the condition emergence of bubble when the dropwise add sample to improve test result's accuracy. When the sample is dripped, the exhaust piece is detached, the detection liquid containing body is inverted and extruded, and the detection liquid in the detection liquid containing body can flow out of the sampling column without bubbles, so that the bubble-free sample adding effect is realized.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a perspective view of the quantitative liquid sucking member of the present invention;
FIG. 3 is a plan view of the quantitative liquid suction member of the present invention;
FIG. 4 is a perspective view of the exhaust member of the present invention;
FIG. 5 is a sectional view of the structure of the exhaust member of the present invention;
fig. 6 is a sectional view of the detection liquid container of the present invention.
1. An exhaust member; 10. piercing the column; 11. an exhaust housing; 12. an exhaust member connecting portion; 13. an exhaust hole; 14. a convex ring; 2. a quantitative liquid absorbing member; 20. an air tube; 21. a liquid absorbing member housing; 22. a liquid outlet; 23. a connecting rod; 24. sampling a column; 25. an air outlet; 26. a liquid absorbing member connecting portion; 27. a baffle ring; 28. a liquid suction port; 3. detecting a liquid containing body; 30. an upper sealing part; 31. a lower seal portion; 32. the accommodating body connecting portion.
Detailed Description
The technical solution of the present invention will be described below with reference to the accompanying drawings and examples.
As shown in fig. 1 to fig. 6, a can eliminate quantitative pipette of bubble, including exhaust 1, quantitative imbibition piece 2 and detection liquid container 3, exhaust 1 corresponds with quantitative imbibition piece 2 and is connected, and quantitative imbibition piece 2 corresponds to insert and detects in the liquid container 3, is equipped with sampling column 24 and trachea 20 on the quantitative imbibition piece 2, is equipped with exhaust hole 13 on the exhaust 1, exhaust hole 13 and trachea 20 intercommunication. By adopting the structure, the working principle is as follows: before the dropwise add sample, correspond to insert quantitative imbibition piece 2 and detect liquid and hold body 3 in, the air that detects in the liquid holds body 3 can flow to exhaust 1 along with trachea 20, discharges by exhaust hole 13 again, can effectively avoid the condition emergence of bubble appearing when the dropwise add sample to improve test result's accuracy. When the sample is dripped, the exhaust part 1 is detached, the detection liquid containing body 3 is inverted, the detection liquid containing body 3 is extruded, and the detection liquid in the detection liquid containing body 3 can flow out from the sampling column 24 without bubbles, so that the bubble-free sample adding effect is realized.
In practical application, the exhaust part 1 and the quantitative liquid suction part 2 are detachably and fixedly connected, and the quantitative liquid suction part 2 and the detection liquid containing body 3 are detachably and fixedly connected. It should be noted that the detachable fixed connection can be realized by a thread structure or a snap structure.
More specifically, the quantitative liquid absorbing member 2 comprises a liquid absorbing member casing 21, a sampling column 24 is fixed below the liquid absorbing member casing 21 through a connecting rod 23, one end of the sampling column 24 is provided with a liquid absorbing port 28, and the other end of the sampling column 24 is provided with a liquid outlet 22. With such a structural arrangement, when the quantitative liquid absorbing member 2 is inserted into the detection liquid containing body 3, the sampling column 24 disposed below the liquid absorbing member casing 21 can be extended into the detection liquid containing body 3, and the detection liquid in the detection liquid containing body 3 is sucked.
More specifically, the air tube 20 is disposed in the liquid absorbing member housing 21, one end of the air tube 20 is provided with an air inlet, the other end of the air tube 20 is provided with an air outlet 25, and the air outlet 25 is communicated with the air outlet 13. With such a structure, when the quantitative liquid absorbing member 2 is inserted into the detection liquid containing body 3, the air pressure in the detection liquid containing body 3 will enter the air pipe 20 through the air inlet hole of the air pipe 20, and then be discharged through the air outlet hole 25, and be discharged through the air outlet hole 13 on the air discharging member 1.
More specifically, the sampling column 24 employs a fixed height and size quantitative capillary. By adopting the structure, quantitative sampling can be realized. For example, if the sampling column 24 is designed to be 10ml, then 10ml of liquid is aspirated from the sampling column 24 at a time, which is more accurate in detection.
More specifically, the liquid absorbing material housing 21 is provided with a liquid absorbing material connecting portion 26 and a stopper 27, the liquid absorbing material connecting portion 26 is connected to the air vent 1, and the stopper 27 is positioned at the opening of the detection liquid container 3. With such a structure, the liquid absorbing member housing 21 is correspondingly connected with the air discharging member 1 through the liquid absorbing member connecting portion 26, and the liquid absorbing member housing 21 is limited at the opening of the detection liquid containing body 3 through the baffle ring 27. That is, when the quantitative liquid absorbing member 2 is inserted into the test liquid containing body 3, the stopper ring 27 of the liquid absorbing member housing 21 is just caught on the opening of the test liquid containing body 3.
More specifically, the vent 1 includes a vent housing 11, a vent connecting portion 12 is provided on the vent housing 11, and the vent connecting portion 12 is correspondingly connected to the liquid absorbing member connecting portion 26. With this arrangement, the vent housing 11 is correspondingly connected to the liquid absorbing member connecting portion 26 of the liquid absorbing member housing 21 via the vent connecting portion 12.
More specifically, the exhaust member housing 11 is provided with a protruding ring 14 for catching absorbent paper therein. With such a structure, the absorbent paper can be clamped in the exhaust member housing 11 through the convex ring 14, and before the dropping and the calibration, the liquid accommodating body 3 is detected through extrusion, so that the clamped absorbent paper can be absorbed when the air pressure and the air bubbles are discharged.
More specifically, the exhaust device housing 11 is provided with a piercing column 10, the piercing column 10 is hollow, and an exhaust hole 13 is formed in the hollow. With this arrangement, the vent hole 13 is provided in the piercing post 10.
In practical applications, the piercing post 10 is mainly used for piercing the tinfoil paper used for sealing the liquid in the detection liquid container 3.
More specifically, the detection liquid container 3 is provided with a container connecting portion 32 corresponding to the quantitative liquid absorbing member 2, an upper sealing portion 30 is provided below the container connecting portion 32, a lower sealing portion 31 is provided at the bottom of the detection liquid container 3, and the upper sealing portion 30 and the lower sealing portion 31 constitute a sealed chamber capable of containing the detection liquid. With the structure, the detection liquid containing body 3 is correspondingly connected with the quantitative liquid absorbing piece 2 through the containing body connecting part 32, the sealed cavity capable of containing the detection liquid is realized through the upper sealing part 30 and the lower sealing part 31, and the detection liquid is prevented from leaking outwards
More specifically, the upper seal portion 30 is sealed by a foil, and the foil can be pierced by the piercing post 10 provided on the exhaust housing 11. With the structure, the detection liquid is sealed in the detection liquid containing body 3 in advance through the tin foil, and the tin foil is punctured through the puncturing column 10 on the exhaust member shell 11 during detection.
The embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention, and these forms are within the scope of the present invention.
Claims (10)
1. The utility model provides a can eliminate ration pipette of bubble which characterized in that: including exhaust spare (1), quantitative imbibition piece (2) and detection liquid container body (3), exhaust spare (1) corresponds with quantitative imbibition piece (2) and is connected, in quantitative imbibition piece (2) correspond to insert and detect liquid container body (3), be equipped with sampling post (24) and trachea (20) on quantitative imbibition piece (2), be equipped with exhaust hole (13) on exhaust spare (1), exhaust hole (13) and trachea (20) intercommunication.
2. The quantitative pipette capable of eliminating air bubbles as set forth in claim 1, wherein: quantitative imbibition piece (2) are including imbibition piece casing (21), sampling column (24) are fixed in imbibition piece casing (21) below through connecting rod (23), the one end of sampling column (24) is equipped with imbibition mouth (28), the other end of sampling column (24) is equipped with liquid outlet (22).
3. The quantitative pipette capable of eliminating air bubbles as set forth in claim 2, wherein: the air pipe (20) is arranged in the liquid suction piece shell (21), one end of the air pipe (20) is provided with an air inlet hole, the other end of the air pipe (20) is provided with an air outlet hole (25), and the air outlet hole (25) is communicated with the air exhaust hole (13).
4. The quantitative pipette capable of eliminating air bubbles as set forth in claim 2, wherein: the sampling column (24) adopts a quantitative capillary tube with fixed height and size.
5. The quantitative pipette capable of eliminating air bubbles as set forth in claim 2, wherein: be equipped with imbibition spare connecting portion (26) and fender ring (27) on imbibition spare casing (21), imbibition spare connecting portion (26) correspond with exhaust (1) and are connected, keep off ring (27) and the spacing setting of opening that detects liquid and hold body (3).
6. The quantitative pipette capable of eliminating air bubbles as set forth in claim 5, wherein: the exhaust member (1) comprises an exhaust member shell (11), an exhaust member connecting part (12) is arranged on the exhaust member shell (11), and the exhaust member connecting part (12) is correspondingly connected with the liquid suction member connecting part (26).
7. The quantitative pipette capable of eliminating air bubbles as set forth in claim 6, wherein: a convex ring (14) capable of clamping absorbent paper is arranged in the exhaust member shell (11).
8. The quantitative pipette capable of eliminating air bubbles as set forth in claim 6, wherein: the exhaust piece shell (11) is provided with a piercing column (10), the piercing column (10) is arranged in a hollow mode, and an exhaust hole (13) is formed in the hollow position.
9. The quantitative pipette capable of eliminating air bubbles as set forth in claim 1, wherein: detect and be equipped with on the liquid container (3) and correspond container connecting portion (32) that sets up with quantitative imbibition piece (2), container connecting portion (32) below is equipped with upper seal portion (30), the bottom of detecting liquid container (3) is equipped with down seal portion (31), upper seal portion (30) and lower seal portion (31) constitute the seal chamber who can hold detection liquid.
10. The quantitative pipette capable of eliminating air bubbles as set forth in claim 9, wherein: the upper sealing part (30) is sealed by tinfoil paper, and the tinfoil paper can be punctured by a puncturing column (10) arranged on the exhaust member shell (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921530845.6U CN211070132U (en) | 2019-09-16 | 2019-09-16 | Quantitative pipette capable of eliminating bubbles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921530845.6U CN211070132U (en) | 2019-09-16 | 2019-09-16 | Quantitative pipette capable of eliminating bubbles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211070132U true CN211070132U (en) | 2020-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921530845.6U Active CN211070132U (en) | 2019-09-16 | 2019-09-16 | Quantitative pipette capable of eliminating bubbles |
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| CN (1) | CN211070132U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113333044A (en) * | 2021-08-03 | 2021-09-03 | 苏州鼎实医疗科技有限公司 | Quantitative sampling and filling device and method for quantitative sampling and filling by using same |
| CN113671108A (en) * | 2021-08-03 | 2021-11-19 | 苏州鼎实医疗科技有限公司 | Air pressure balance structure and quantitative sampling filler with same |
-
2019
- 2019-09-16 CN CN201921530845.6U patent/CN211070132U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113333044A (en) * | 2021-08-03 | 2021-09-03 | 苏州鼎实医疗科技有限公司 | Quantitative sampling and filling device and method for quantitative sampling and filling by using same |
| CN113671108A (en) * | 2021-08-03 | 2021-11-19 | 苏州鼎实医疗科技有限公司 | Air pressure balance structure and quantitative sampling filler with same |
| CN113671108B (en) * | 2021-08-03 | 2023-11-28 | 苏州鼎实医疗科技有限公司 | Air pressure balance structure and quantitative sampling filling device with same |
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