CN204247246U - The quantitative liquid-transfering device of use for laboratory - Google Patents
The quantitative liquid-transfering device of use for laboratory Download PDFInfo
- Publication number
- CN204247246U CN204247246U CN201420712783.1U CN201420712783U CN204247246U CN 204247246 U CN204247246 U CN 204247246U CN 201420712783 U CN201420712783 U CN 201420712783U CN 204247246 U CN204247246 U CN 204247246U
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- liquid
- handle
- syringe
- transfering device
- laboratory
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Abstract
The utility model belongs to experiment equipment field, be specifically related to the quantitative liquid-transfering device of a kind of use for laboratory, comprise liquid reserve tank, tube connector and syringe, described tube connector two ends are communicated with described liquid reserve tank and syringe respectively, described syringe comprises injection tube, piston, pushes away handle and handle, and described injection tube is provided with scale; Described tube connector is provided with one-way non-return valve near one end of syringe, and the liquid injection port of described syringe is also provided with one-way non-return valve; The described handle that pushes away is cylinder, and its periphery is provided with densely covered external screw thread; Described injection tube is also provided with bonnet, is provided with in the middle part of described bonnet and the described internal thread pushing away handle and mate; The outer surface of described handle is provided with skid resistant course.The quantitative liquid-transfering device structure of the utility model use for laboratory is simple, easy to operate, and can realize to the accurate control of measuring when laboratory liquid distributes, can carry out moving liquid to continuous several times, operating efficiency be high, and ensures when leaving standstill to stablize to take liquid in, does not spill leakage.
Description
Technical field
The utility model belongs to experiment equipment field, is specifically related to the quantitative liquid-transfering device of a kind of use for laboratory.
Background technology
In the routine work in laboratory, quantitatively pipetting liquid is a basic operation, generally operates with ear washing bulb, gauge line, the upper end withstanding on gauge line with ear washing bulb pipettes liquid, when being filled liquid in gauge line, removes ear washing bulb, gauge line upper end to be blocked immediately with finger, then observation marked level line of possessing a person, need both hands combined operation, once finger loosens, liquid is trickled down, and namely will again operate, wayward, waste time and energy, and accurate not, systematic error is large.
Therefore, in order to carrying out smoothly of laboratory work in every, design one is easy to operate, control accurately, and can keep the stable liquid-transfering device taking liquid in become those skilled in the art's problem demanding prompt solution in operation.
Summary of the invention
For the problems referred to above, the utility model provides the quantitative liquid-transfering device of a kind of use for laboratory, structure is simple, easy to operate, can realize the accurate control to amount when laboratory liquid distributes, production cost is low, and can carry out moving liquid to continuous several times, operating efficiency is high, and ensures when leaving standstill to stablize to take liquid in, does not spill leakage.
The technical solution adopted in the utility model is:
The quantitative liquid-transfering device of a kind of use for laboratory, comprise liquid reserve tank, tube connector and syringe, described tube connector two ends are communicated with described liquid reserve tank and syringe respectively, and described syringe comprises injection tube, piston, pushes away handle and handle, and described injection tube is provided with scale; Described tube connector is provided with one-way non-return valve near one end of syringe, and the liquid injection port of described syringe is also provided with one-way non-return valve; The described handle that pushes away is cylinder, and its periphery is provided with densely covered external screw thread; Described injection tube is also provided with bonnet, is provided with in the middle part of described bonnet and the described internal thread pushing away handle and mate; The outer surface of described handle is provided with skid resistant course.
For the quantitative liquid-transfering device of above-mentioned use for laboratory, described tube connector two ends are communicated with the bottom of described liquid reserve tank and syringe respectively.
For the quantitative liquid-transfering device of above-mentioned use for laboratory, the top of described liquid reserve tank is provided with inlet, is provided with liquid outlet bottom it, is communicated with described tube connector.
For the quantitative liquid-transfering device of above-mentioned use for laboratory, described skid resistant course is quality of rubber materials.
For the quantitative liquid-transfering device of above-mentioned use for laboratory, described injection tube is the transparent cylindrical shell of open at one end, and its lower end is provided with liquid injection port, and its sidewall bottom is provided with liquid sucting port and is communicated with described tube connector; Described handle connects piston, with the piston movement of control piston in injection tube by pushing away handle; Described scale is arranged on described injection tube outer wall.
For the quantitative liquid-transfering device of above-mentioned use for laboratory, described handle is ergonomic designs, and surface is provided with wave projection.
positive beneficial effect of the present utility model:
(1) the utility model can adopt traditional injector for medical purpose to convert, and all detachable between each parts, and conveniently replaced and transport guarantees that production, maintenance and cost of transportation are cheap.
(2) the ingenious utilization one-way non-return valve of the utility model, can carry out moving liquid to continuous several times, improve operating efficiency, mode of operation is easy easy left-hand seat also.
(3) the utility model syringe bonnet and push away handle is equipped with and be threaded, radial direction firmly carries out threads turn in operation, is convenient to grasp and moves liquid measure, can not be not accurate due to the bad assurance of axial dynamics; And when leaving standstill after imbitition, screw thread energy withstand liquid, to the axial compressive force of piston, keeps piston to stablize, thus ensure stable to take liquid in, do not spill leakage.
Accompanying drawing explanation
Fig. 1 is the structural representation of the quantitative liquid-transfering device of the utility model use for laboratory;
Fig. 2 is the grip structure schematic diagram of syringe in the utility model;
In figure, 1 is injection tube, and 2 is bonnet, and 3 is piston, and 4 for pushing away handle, and 5 is handle, and 6 is the first one-way non-return valve, and 7 is the second one-way non-return valve, and 8 is tube connector, and 9 is liquid injection port, and 10 is liquid reserve tank, and 11 is inlet, and 12 is handle body, and 13 is skid resistant course.
Detailed description of the invention
Below in conjunction with specific embodiment, the utility model is further described, but the utility model is not limited to these embodiments.
embodiment 1
The quantitative liquid-transfering device of a kind of use for laboratory, comprise liquid reserve tank 10, tube connector 8 and syringe, described tube connector 8 two ends are communicated with the bottom of described liquid reserve tank 10 and syringe respectively, and described syringe comprises injection tube 1, piston 3, pushes away handle 4 and handle 5, and described injection tube 1 is provided with scale; Described tube connector 8 is provided with the first one-way non-return valve 6 near one end of syringe, and the liquid injection port 9 of described syringe is provided with the second one-way non-return valve 7; The described handle 4 that pushes away is for cylinder, and its periphery is provided with densely covered external screw thread; Described injection tube 1 is also provided with bonnet 2, is provided with in the middle part of described bonnet 2 and the described internal thread pushing away handle 4 and mate; The skid resistant course 13 that described handle 5 is arranged by handle body 12 and outer surface forms, and described skid resistant course 13 is quality of rubber materials.
The top of described liquid reserve tank 10 is provided with inlet 11, is provided with liquid outlet bottom it, is communicated with described tube connector 8.
Described injection tube 1 is the transparent cylindrical shell of open at one end, and its lower end is provided with liquid injection port 9, and its sidewall bottom is provided with liquid sucting port and is communicated with described tube connector 8; Described handle 5 connects piston 3 by pushing away handle 4, with the piston movement of control piston 3 in injection tube 1; Described scale is arranged on described injection tube 1 outer wall; Described handle 5 is ergonomic designs, and surface is provided with wave projection, and hand-held is convenient to hold with a firm grip and exert oneself.
In use procedure, add liquid in liquid reserve tank 10 from inlet 11; Before moving liquid, the piston 3 controlling syringe is positioned at the minimum place of injection tube 1 range scale, repeatedly draws also injecting fluid and carries out emptying; When imbibition, swing handle 5, makes to push away handle 4 and threadingly rotates, and draws the liquid of requirement, and now the first one-way non-return valve 6 can be opened by pressurized, and make liquid flow into injection tube 1, now, the second one-way non-return valve 7 is in automatic closure state; When fluid injection, then counter-rotation handle 5, first one-way non-return valve 6 can be automatically closed, and the second one-way non-return valve 7 can be opened by pressurized, and liquid is outpoured.Namely a pipetting is completed.
The utility model is not limited to above-mentioned detailed description of the invention, and those skilled in the art also can make multiple change accordingly, but to be anyly equal to the utility model or similar change all should be encompassed in the scope of the utility model claim.
Claims (6)
1. the quantitative liquid-transfering device of use for laboratory, comprise liquid reserve tank, tube connector and syringe, described tube connector two ends are communicated with described liquid reserve tank and syringe respectively, described syringe comprises injection tube, piston, pushes away handle and handle, described injection tube is provided with scale, it is characterized in that: described tube connector is provided with one-way non-return valve near one end of syringe, the liquid injection port of described syringe is also provided with one-way non-return valve; The described handle that pushes away is cylinder, and its periphery is provided with densely covered external screw thread; Described injection tube is also provided with bonnet, is provided with in the middle part of described bonnet and the described internal thread pushing away handle and mate; The outer surface of described handle is provided with skid resistant course.
2. the quantitative liquid-transfering device of use for laboratory according to claim 1, is characterized in that: described tube connector two ends are communicated with the bottom of described liquid reserve tank and syringe respectively.
3. the quantitative liquid-transfering device of use for laboratory according to claim 1, is characterized in that: the top of described liquid reserve tank is provided with inlet, is provided with liquid outlet bottom it, is communicated with described tube connector.
4. the quantitative liquid-transfering device of use for laboratory according to claim 1, is characterized in that: described skid resistant course is quality of rubber materials.
5. the quantitative liquid-transfering device of use for laboratory according to claim 1, is characterized in that: described injection tube is the transparent cylindrical shell of open at one end, and its lower end is provided with liquid injection port, and its sidewall bottom is provided with liquid sucting port and is communicated with described tube connector; Described handle connects piston, with the piston movement of control piston in injection tube by pushing away handle; Described scale is arranged on described injection tube outer wall.
6. the quantitative liquid-transfering device of use for laboratory according to claim 5, is characterized in that: described grip surface is provided with wave projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420712783.1U CN204247246U (en) | 2014-11-25 | 2014-11-25 | The quantitative liquid-transfering device of use for laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420712783.1U CN204247246U (en) | 2014-11-25 | 2014-11-25 | The quantitative liquid-transfering device of use for laboratory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204247246U true CN204247246U (en) | 2015-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420712783.1U Expired - Fee Related CN204247246U (en) | 2014-11-25 | 2014-11-25 | The quantitative liquid-transfering device of use for laboratory |
Country Status (1)
| Country | Link |
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| CN (1) | CN204247246U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105547763A (en) * | 2016-01-29 | 2016-05-04 | 福州大学 | Double-one-way-valve sampling needle and sampling method thereof |
| CN107224626A (en) * | 2017-05-17 | 2017-10-03 | 崔心刚 | A kind of device for casting and application thereof |
| CN108387482A (en) * | 2018-04-27 | 2018-08-10 | 新疆维吾尔自治区产品质量监督检验研究院 | A kind of cementitious material slurry apparent density device for quick testing |
| CN110252439A (en) * | 2019-06-24 | 2019-09-20 | 东北大学 | A kind of liquid bridge charger |
| CN110361260A (en) * | 2018-04-11 | 2019-10-22 | 上海航空材料结构检测股份有限公司 | Stress corrosion testing device and test method of the thick sample in Strong oxdiative solution |
| CN111947980A (en) * | 2020-06-24 | 2020-11-17 | 公卫爱 | Food inspection ultrasonic cavitation liquid-transfering device |
-
2014
- 2014-11-25 CN CN201420712783.1U patent/CN204247246U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105547763A (en) * | 2016-01-29 | 2016-05-04 | 福州大学 | Double-one-way-valve sampling needle and sampling method thereof |
| CN107224626A (en) * | 2017-05-17 | 2017-10-03 | 崔心刚 | A kind of device for casting and application thereof |
| CN107224626B (en) * | 2017-05-17 | 2023-04-07 | 崔心刚 | Perfusion device |
| CN110361260A (en) * | 2018-04-11 | 2019-10-22 | 上海航空材料结构检测股份有限公司 | Stress corrosion testing device and test method of the thick sample in Strong oxdiative solution |
| CN108387482A (en) * | 2018-04-27 | 2018-08-10 | 新疆维吾尔自治区产品质量监督检验研究院 | A kind of cementitious material slurry apparent density device for quick testing |
| CN110252439A (en) * | 2019-06-24 | 2019-09-20 | 东北大学 | A kind of liquid bridge charger |
| CN110252439B (en) * | 2019-06-24 | 2021-05-11 | 东北大学 | Liquid bridge liquid filler |
| CN111947980A (en) * | 2020-06-24 | 2020-11-17 | 公卫爱 | Food inspection ultrasonic cavitation liquid-transfering device |
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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 |
Granted publication date: 20150408 Termination date: 20151125 |