CN201186218Y - Liquid transferring tube with switch device - Google Patents
Liquid transferring tube with switch device Download PDFInfo
- Publication number
- CN201186218Y CN201186218Y CNU2008200085103U CN200820008510U CN201186218Y CN 201186218 Y CN201186218 Y CN 201186218Y CN U2008200085103 U CNU2008200085103 U CN U2008200085103U CN 200820008510 U CN200820008510 U CN 200820008510U CN 201186218 Y CN201186218 Y CN 201186218Y
- Authority
- CN
- China
- Prior art keywords
- pipette
- pipe
- pipet
- normal
- solution
- 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.)
- Expired - Fee Related
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- Devices For Use In Laboratory Experiments (AREA)
Abstract
The utility model relates to a pipet, which is a capacity instrument which is generally used in chemical laborites, which is mainly used to accurately take solution with a certain volume. When a normal piplet is used to take solution, the descending and the stopping of the liquid level in a pipe is generally controlled through closing and opening the pipe hole by fingers, and the normal piplet has high skill requirement to an operator, and is hard to master. The pipet with a switch device is sheathed with a small section of rubber pipe on the upper end of a normal pilet, and the inner piston of the rubber pipe is provided with a glass ball whose size is moderate (as the picture one). When solution is taken, the glass ball in the rubber pipe is squeezed by fingers to control the liquid level in the pipe to descend and stop. The pipet which is used to take solution has low skill requirement to an operator, which is easily mastered.
Description
Technical field
The utility model relates to chemical laboratory a kind of volumetric apparatus commonly used.
Background technology
Pipette is chemical laboratory a kind of volumetric apparatus commonly used, is mainly used to accurately pipette the solution of certain volume.When pipetting solution, generally be to block the suitable for reading of pipette, come the decline of liquid level in the control valve and stop in the folding of the mouth of pipe by finger with finger with pipette.This method that descends and stop with liquid level in the finger control valve, high to operator's technical ability requirement, be not easy to grasp.
Summary of the invention
The purpose of this utility model is that a kind of pipette that switching device is arranged will be provided, with the effectively decline of liquid level and stopping in the control valve of this switch.
The purpose of this utility model is achieved in that the upper end at common pipette, overlaps a bit of suitable rubber tube, is plugged with a suitable glass marble (seeing figure one) in the rubber tube.This is plugged with a glass marble in rubber tube device is exactly a switching device of the present utility model.
. when pipetting solution,, use ear washing bulb the top of graduation mark in the solution suction line earlier with the glass marble in thumb and the forefinger pinching rubber tube with the utility model, unclamp two fingers, remove ear washing bulb, and then the glass marble of pinching rubber tube, the control liquid level slowly drops to the graduation mark of appointment.
Pipette solution with the utility model, less demanding to operator's technical ability, grasp easily.
Description of drawings
Concrete structure of the present utility model is provided by following embodiment and accompanying drawing thereof.
Fig. 1 is according to a kind of profile that the pipette of switching device is arranged that the utility model proposes
Describe details and working condition in detail below in conjunction with Fig. 1 according to the concrete device that the utility model proposes.
The specific embodiment
This device comprises a pipette [1], in order to make the more firm of rubber tube energy and pipette cover, the upper port of pipette will be processed outwards rouses [2] slightly, and what be enclosed within the pipette upper port is the long rubber tube [3] of one section 4cm to 10cm, is plugged with a sizeable glass marble [4] in the rubber tube.
Claims (1)
1. pipette that switching device is arranged, this device comprises a pipette [1], the upper port of this pipette is processed outwards rouses [2] slightly, what be enclosed within the pipette upper port is the long rubber tube [4] of one section 4cm to 10cm, be plugged with a sizeable glass marble [3] in the rubber tube, it is characterized in that the upper end of pipette processed outwards rouse [2] slightly, what be enclosed within the pipette upper port is the long rubber tube [4] of one section 4cm to 10cm, is plugged with a sizeable glass marble [3] in the rubber tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200085103U CN201186218Y (en) | 2008-03-18 | 2008-03-18 | Liquid transferring tube with switch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200085103U CN201186218Y (en) | 2008-03-18 | 2008-03-18 | Liquid transferring tube with switch device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201186218Y true CN201186218Y (en) | 2009-01-28 |
Family
ID=40309233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200085103U Expired - Fee Related CN201186218Y (en) | 2008-03-18 | 2008-03-18 | Liquid transferring tube with switch device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201186218Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103566989A (en) * | 2013-11-08 | 2014-02-12 | 邢皓宇 | Transfer pipette |
-
2008
- 2008-03-18 CN CNU2008200085103U patent/CN201186218Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103566989A (en) * | 2013-11-08 | 2014-02-12 | 邢皓宇 | Transfer pipette |
| CN103566989B (en) * | 2013-11-08 | 2016-01-20 | 邢皓宇 | A kind of pipette |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090128 Termination date: 20100318 |