CN204638220U - quantitative dropper - Google Patents
quantitative dropper Download PDFInfo
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- CN204638220U CN204638220U CN201520308549.7U CN201520308549U CN204638220U CN 204638220 U CN204638220 U CN 204638220U CN 201520308549 U CN201520308549 U CN 201520308549U CN 204638220 U CN204638220 U CN 204638220U
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- liquid
- quantity tube
- overflow pipe
- quantitative dropper
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Abstract
The utility model discloses a kind of quantitative dropper.Comprise: quantity tube, its inside is provided with the cavity with settable volume, for quantitatively measuring liquid; Liquid overflow pipe, its top being set in quantity tube is connected with quantity tube outer wall, forming the discharge chamber being used for storage of liquids, being provided with the first opening for being connected with glue head at the top of liquid overflow pipe between quantity tube and liquid overflow pipe; And glue head, it is arranged on the first opening part of liquid overflow pipe, and it is for providing negative pressure, to be sucked in quantitative dropper by liquid.The beneficial effects of the utility model are: be provided with quantity tube, can measure liquid drug accurately; Be provided with liquid overflow pipe, the medicine drawn can be stored in discharge chamber more, prevent medicine from entering in glue head; Overflow pipe is provided with the second opening, the medicine drawn can be poured out more.
Description
Technical field
The utility model relates to a kind of dropper, particularly a kind of quantitative dropper.
Background technology
Get in liquid drug journey in general chemical experimental amount, usually use the instruments such as graduated cylinder, measuring cup, liquid-transfering gun, glue head dropper.Use graduated cylinder, this kind of tool operation of measuring cup step more, can due to liquid drug wall built-up in the process measured, liquid drug repeatedly transfer can cause a certain amount of loss spilt.Conventional graduated cylinder uses complicated, and error is comparatively large, and the cost of liquid-transfering gun is too high, and in general experiment, service wear cost is too high.
Glue head dropper is also known as Capsule dropper, and it is a kind of instrument for drawing or drip a small amount of liquid reagent.Tradition glue head dropper is made up of Capsule and glass.There is following shortcoming in traditional glue head dropper: first, accurately cannot measure liquid drug; Secondly, in the process of taking, owing to usually too can exert oneself due to during extruding glue head, cause medicine to enter in glue head, not only can cause medicine pollution, also there will be the situation of medicine corrosion glue head, cause the shortening in glue head dropper service life.
Therefore, one can accurate measuring medicine, and the quantitative dropper that can prevent medicine from entering glue head Inner elongate glue head dropper service life becomes the key of dealing with problems.
Utility model content
The purpose of this utility model is to provide a kind of quantitative dropper, can measure liquid drug accurately.
Of the present utility model also have an object to be to provide a kind of quantitative dropper, can be stored in liquid overflow pipe by the medicine drawn more, prevent medicine from entering in glue head, and the medicine drawn can be poured out more.
For achieving the above object, the utility model adopts following technical scheme, and a kind of quantitative dropper, comprising:
Quantity tube, its inside is provided with the cavity with settable volume, for quantitatively measuring liquid;
Liquid overflow pipe, its top being set in quantity tube is connected with quantity tube outer wall, forming the discharge chamber being used for storage of liquids, being provided with the first opening for being connected with glue head at the top of liquid overflow pipe between quantity tube and liquid overflow pipe; And
Glue head, it is arranged on the first opening part of liquid overflow pipe, and it is for providing negative pressure, to suck in quantitative dropper by liquid;
Wherein, when extruding glue head, produce negative pressure in quantitative dropper, be aspirated through by liquid in quantitative dropper, can be measured the liquid of designated volume by quantity tube, when the volume of imbitition exceeds the volume of quantity tube, liquid drug enters in spill cavity.
Preferably, the second opening for discharging liquid is provided with on the top of described liquid overflow pipe.
Preferably, the plug for preventing liquid outflow in imbitition process is provided with at described second opening part.
Preferably, conically, diameter increases gradually from the bottom to top in the lower end of described quantity tube.
Preferably, the outer wall of described quantity tube is provided with the groove being used to indicate liquid volume in quantity tube.
Preferably, be provided with the first flange at the outer wall of described first opening part, it is provided with for increasing frictional force between the first opening and glue head.
Preferably, the inwall of described second opening is ground, frictional force for increasing and between opening and plug.
Preferably, the outer wall in the middle part of described liquid overflow pipe is provided with the second flange, the second flange is used for coordinating with the bottleneck of reagent bottle, quantitative dropper is fixed on the bottle mouth position of reagent bottle, prevents quantitative dropper from dropping in reagent bottle.
The beneficial effects of the utility model are: 1, be provided with quantity tube, can measure liquid drug accurately; 2, be provided with liquid overflow pipe, the medicine drawn can be stored in discharge chamber more, prevent medicine from entering in glue head; 3, on overflow pipe, be provided with the second opening, the medicine drawn can be poured out more.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model quantitative dropper.
Detailed description of the invention
Below in conjunction with accompanying drawing, utility model is described in further detail, can implements according to this with reference to description word to make those skilled in the art.
As shown in Figure 1, a kind of quantitative dropper 1, comprising: quantity tube 110, and its inside is provided with the cavity with settable volume (settable volume is 1ml, 2ml or 5ml), for quantitatively measuring liquid; Liquid overflow pipe 120, its top being set in quantity tube 110 is connected with quantity tube 110 outer wall, forming the discharge chamber 126 being used for storage of liquids, being provided with the first opening 121 for being connected with glue head at the top of liquid overflow pipe 120 between quantity tube 110 and liquid overflow pipe 120; And glue head 130, it is arranged on the first opening part of liquid overflow pipe 130, and it is for providing negative pressure, to be sucked by liquid in quantitative dropper 1; Wherein, when extruding glue head 130, in quantitative dropper 1, produce negative pressure, liquid is aspirated through in quantitative dropper 1, can be measured the liquid of designated volume by quantity tube 110, when the volume of imbitition exceeds the volume of quantity tube 1, liquid enters in spill cavity 126.
In use, extruding glue head 130 makes to produce negative pressure in quantitative dropper 1, liquid is aspirated through in quantitative dropper 1, the liquid that can be measured designated volume by quantity tube 110 has ensured the accuracy of imbitition effectively, the liquid exceeding designated volume enters in spill cavity 126, prevent it from entering glue head 130 internal corrosion glue head, and ensure that liquid is not contaminated.
In another embodiment, being provided with the second opening 122 for discharging liquid on the top of described liquid overflow pipe 120, the liquid exceeding designated volume can being poured out by the second opening 122, the recycling to liquid can be realized.
In another embodiment, being provided with the plug 124 for preventing liquid outflow in imbitition process at described second opening 122 place, ensure that security when drawing medicine.
In another embodiment, conically, diameter increases gradually from the bottom to top in the lower end of described quantity tube, and with insertion reagent bottle, imbitition medicine.
In another embodiment, the outer wall of described quantity tube 110 is provided with the groove being used to indicate liquid volume in quantity tube, is convenient to the amount controlling to drip liquid by groove.
In another embodiment, be provided with the first flange 125 at the outer wall at described first opening 121 place, it is provided with for increasing frictional force between the first opening 121 and glue head 130, prevents glue head and the first opening 121 from loosening.
In another embodiment, the inwall of described second opening 122 is ground, and frictional force for increasing and between opening and plug 124, prevents plug from coming off.
In another embodiment, the outer wall in the middle part of described liquid overflow pipe 120 being provided with the second flange 123, second flange 123 for coordinating with the bottleneck of reagent bottle, quantitative dropper being fixed on the bottle mouth position of reagent bottle, preventing quantitative dropper 1 from dropping in reagent bottle.。
As mentioned above, a kind of quantitative dropper of the utility model, is provided with quantity tube, can measures liquid drug accurately; Be provided with liquid overflow pipe, the medicine drawn can be stored in discharge chamber more, prevent medicine from entering in glue head; Overflow pipe is provided with the second opening, the medicine drawn can be poured out more.
Although embodiment of the present utility model is open as above, but it is not restricted to listed in description and embodiment utilization, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend described.
Claims (8)
1. a quantitative dropper, is characterized in that, comprising:
Quantity tube, its inside is provided with the cavity with settable volume, for quantitatively measuring liquid;
Liquid overflow pipe, its top being set in quantity tube is connected with quantity tube outer wall, forming the discharge chamber being used for storage of liquids, being provided with the first opening for being connected with glue head at the top of liquid overflow pipe between quantity tube and liquid overflow pipe; And
Glue head, it is arranged on the first opening part of liquid overflow pipe, and it is for providing negative pressure, to suck in quantitative dropper by liquid;
Wherein, when extruding glue head, produce negative pressure in quantitative dropper, be aspirated through by liquid in quantitative dropper, can be measured the liquid of designated volume by quantity tube, when the volume of imbitition exceeds the volume of quantity tube, liquid drug enters in spill cavity.
2. quantitative dropper according to claim 1, is characterized in that: be provided with the second opening for discharging liquid on the top of described liquid overflow pipe.
3. quantitative dropper according to claim 2, is characterized in that: be provided with the plug for preventing liquid outflow in imbitition process at described second opening part.
4. quantitative dropper according to claim 1 and 2, is characterized in that: conically, diameter increases gradually from the bottom to top in the lower end of described quantity tube.
5. quantitative dropper according to claim 4, is characterized in that: on the outer wall of described quantity tube, be provided with the groove being used to indicate liquid volume in quantity tube.
6. quantitative dropper according to claim 1, is characterized in that: be provided with the first flange at the outer wall of described first opening part, and it is provided with for increasing frictional force between the first opening and glue head.
7. quantitative dropper according to claim 3, is characterized in that: the inwall of described second opening is ground, frictional force for increasing and between opening and plug.
8. quantitative dropper according to claim 7, it is characterized in that: the outer wall in the middle part of described liquid overflow pipe is provided with the second flange, second flange is used for coordinating with the bottleneck of reagent bottle, quantitative dropper is fixed on the bottle mouth position of reagent bottle, prevents quantitative dropper from dropping in reagent bottle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520308549.7U CN204638220U (en) | 2015-05-12 | 2015-05-12 | quantitative dropper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520308549.7U CN204638220U (en) | 2015-05-12 | 2015-05-12 | quantitative dropper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204638220U true CN204638220U (en) | 2015-09-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520308549.7U Expired - Fee Related CN204638220U (en) | 2015-05-12 | 2015-05-12 | quantitative dropper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204638220U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106622417A (en) * | 2016-12-23 | 2017-05-10 | 遵义医学院附属医院 | Anti-skidding quantitative dropper for medical laboratory |
| CN108311179A (en) * | 2018-02-02 | 2018-07-24 | 江苏师范大学 | A kind of high-precision quantitative suction pipette head |
| CN108680225A (en) * | 2018-08-07 | 2018-10-19 | 山东益源环保科技有限公司 | Overflow Measuring glass |
| CN109603943A (en) * | 2018-12-06 | 2019-04-12 | 宁波博成基因科技有限公司 | A kind of safety pipet |
| CN109791095A (en) * | 2016-09-30 | 2019-05-21 | 富士胶片株式会社 | Nozzle and dispensing container |
| CN110133176A (en) * | 2019-06-06 | 2019-08-16 | 何耀 | A kind of method of rapid titration analysis |
| WO2021121147A1 (en) * | 2019-12-19 | 2021-06-24 | 石家庄禾柏生物技术股份有限公司 | Quantitative sampling dropper |
-
2015
- 2015-05-12 CN CN201520308549.7U patent/CN204638220U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109791095A (en) * | 2016-09-30 | 2019-05-21 | 富士胶片株式会社 | Nozzle and dispensing container |
| CN109791095B (en) * | 2016-09-30 | 2021-07-30 | 富士胶片株式会社 | Nozzle and dispensing container |
| US11318484B2 (en) | 2016-09-30 | 2022-05-03 | Fujifilm Corporation | Nozzle and dispensing container |
| CN106622417A (en) * | 2016-12-23 | 2017-05-10 | 遵义医学院附属医院 | Anti-skidding quantitative dropper for medical laboratory |
| CN108311179A (en) * | 2018-02-02 | 2018-07-24 | 江苏师范大学 | A kind of high-precision quantitative suction pipette head |
| CN108680225A (en) * | 2018-08-07 | 2018-10-19 | 山东益源环保科技有限公司 | Overflow Measuring glass |
| CN109603943A (en) * | 2018-12-06 | 2019-04-12 | 宁波博成基因科技有限公司 | A kind of safety pipet |
| CN110133176A (en) * | 2019-06-06 | 2019-08-16 | 何耀 | A kind of method of rapid titration analysis |
| WO2021121147A1 (en) * | 2019-12-19 | 2021-06-24 | 石家庄禾柏生物技术股份有限公司 | Quantitative sampling dropper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150916 Termination date: 20160512 |