CN209123952U - A kind of waterglass volumetric soiutions acquisition component suction nozzle - Google Patents
A kind of waterglass volumetric soiutions acquisition component suction nozzle Download PDFInfo
- Publication number
- CN209123952U CN209123952U CN201821597746.5U CN201821597746U CN209123952U CN 209123952 U CN209123952 U CN 209123952U CN 201821597746 U CN201821597746 U CN 201821597746U CN 209123952 U CN209123952 U CN 209123952U
- Authority
- CN
- China
- Prior art keywords
- tube
- nozzle
- suction nozzle
- fixed amount
- measuring fixed
- 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
Links
Abstract
The utility model discloses a kind of waterglass volumetric soiutions to acquire component suction nozzle, including flexible plastics suction nozzle and cylinder-shaped test tube plug, flexible plastics suction nozzle includes measuring fixed amount capillary, coupling tube and press pressure pipe, coupling tube is in truncated cone, the miner diameter end nozzle and the upper end tube nozzle of measuring fixed amount capillary of coupling tube are docked and connected, the miner diameter end caliber of coupling tube is greater than measuring fixed amount capillary caliber, the bigger diameter end nozzle of coupling tube is docked and connected with by the lower end nozzle of pressure pipe, it is closed by the upper end tube nozzle of pressure pipe, by offering through-hole on the tube wall of pressure pipe, the upper edge of test tube plug extends towards outside and is bent to form the annular stopper being halved together with test tube nozzle, the bottom end of test tube plug is equipped with bottom wall, the central part of bottom wall offers the limit hole passed through for the tube body of measuring fixed amount capillary and coupling tube.For the quantitative accurate liquid relief of micro solution, operation difficulty is small, and operating procedure is simple and convenient.
Description
Technical field
The utility model relates to chemical devices technical field, in particular to a kind of waterglass volumetric soiutions acquire suction nozzle group
Part.
Background technique
Pipette is usually used in the test that waterglass is prepared, pipette is that one kind measures formula instrument, is only used to measure
The volume of its released solution.It is acquired at present for micro solution, the micropipettor complex structural designs of pipetting,
Use cost is high, and operation difficulty is big, operates unskilled person, time-consuming and laborious, easily causes the deviation of liquid relief amount.
Utility model content
In view of the deficiencies of the prior art, the technical problem to be solved is that providing, a kind of waterglass is quantitative molten for the utility model
Liquid acquires component suction nozzle, and for the quantitative accurate liquid relief of micro solution, operation difficulty is small, and operating procedure is simple and convenient.
The utility model is to be addressed above-mentioned technical problem by the following technical programs.
A kind of waterglass volumetric soiutions acquisition component suction nozzle, including flexible plastics suction nozzle and cylinder-shaped test tube plug, it is flexible
Property plastics suction nozzle include measuring fixed amount capillary, coupling tube and by pressure pipe, coupling tube is in truncated cone, the path end pipe of coupling tube
The upper end tube nozzle of mouth and measuring fixed amount capillary is docked and connected, and the miner diameter end caliber of coupling tube is greater than measuring fixed amount microcapillary tube
Diameter, the bigger diameter end nozzle of coupling tube are docked and connected with by the lower end nozzle of pressure pipe, are closed, pressing by the upper end tube nozzle of pressure pipe
Through-hole is offered on the tube wall of pipe, the upper edge of test tube plug extends towards outside and is bent to form the annular being halved together with test tube nozzle
Seam allowance, the bottom end of test tube plug are equipped with bottom wall, and the central part of bottom wall offers the tube body for measuring fixed amount capillary and coupling tube and wears
The limit hole crossed.
Preferably, flexible plastics suction nozzle is PMMA or PE material.
Preferably, test tube plug is polytetrafluoroethylene (PTFE) material.
Preferably, the internal diameter of measuring fixed amount capillary is 1mm to 2mm.
Preferably, the pipe thickness of flexible plastics suction nozzle is 0.5mm to 0.8mm.
Preferably, measuring fixed amount capillary and be straight tube shape by pressure pipe.
The utility model has the beneficial effects that
1. flexible plastics suction nozzle passes through measuring fixed amount capillary suction micro solution and stores, pass through the pipe being pre-designed
Diameter and length formulate the storage capacity of measuring fixed amount capillary, the quantitative storage of micro solution are realized, due to the path of coupling tube
End pipe mouth and the upper end tube nozzle of measuring fixed amount capillary are docked and connected, so that the solution alone that capillary phenomenon is drawn stops at capillary
At the upper end tube nozzle of pipe, to realize accurate measuring fixed amount.
2. after test tube plug is assemblied on test tube nozzle, the limit hole of flexible plastics suction nozzle insertion test tube plug passes through hair
Then solution in thin action draws test tube extracts flexible plastics suction nozzle, cover the through-hole on pressing tube wall and pressed
Operation, so that the volumetric soiutions discharge of measuring fixed amount capillary storage, to realize that metering accurately quantifies pipetting function, operation
Simplicity, it is high-efficient, it is less prone to liquid relief deviation.
3. test tube plug plays the role of carrying and limits flexible plastics suction nozzle, hold more steady in imbibition operating process
It is fixed, it is not easy that rigid collision occurs with test tube, meanwhile, when flexible plastics suction nozzle extracts test tube, the bottom wall of test tube plug plays scraping
The effect of solution avoids flexible plastics suction nozzle outside attachment solution from taking out of outside test tube and chemical agent is caused to pollute.
Detailed description of the invention
The following drawings is intended to not constitute the limitation to scope of protection of the utility model convenient for description preferred embodiment.
Fig. 1 is the structural schematic diagram of the utility model embodiment in the operating condition；
Fig. 2 is the schematic cross-sectional view of the utility model embodiment in the operating condition.
In figure: 1- pliability plastics suction nozzle, 2- test tube plug, 3- measuring fixed amount capillary, 4- coupling tube, 5- press pressure pipe, 6-
Through-hole, 7- annular stopper, 8- bottom wall, 9- limit hole.
Specific embodiment
In order to facilitate the utility model is understood, with reference to the accompanying drawing in the preferred embodiment pair of the utility model that provides
The utility model is described in detail.
As depicted in figs. 1 and 2, a kind of waterglass volumetric soiutions of the utility model embodiment acquire component suction nozzle, including
Flexible plastics suction nozzle 1 and cylinder-shaped test tube plug 2, flexible plastics suction nozzle 1 preferably use PMMA or PE material.Test tube plug 2 can
It is common to the flexible plastics suction nozzle 1 of various specifications, it is preferred to use polytetrafluoroethylene (PTFE) material.
Flexible plastics suction nozzle 1 includes measuring fixed amount capillary 3, coupling tube 4 and presses pressure pipe 5, flexible plastics suction nozzle 1
Pipe thickness is 0.5mm to 0.8mm, and length is according to actually required setting.The internal diameter of measuring fixed amount capillary 3 is 1mm to 2mm,
The quantitative amount of storage of measuring fixed amount capillary 3 is pre-designed by caliber and length, for example quantitative volume is 5 microlitres.It is fixed
Amount metering capillaries 3 and be straight tube shape by pressure pipe 5, coupling tube 4 are in truncated cone, the miner diameter end nozzle of coupling tube 4 and quantitative
The upper end tube nozzle of metering capillaries 3 is docked and connected, and the miner diameter end caliber of coupling tube is greater than measuring fixed amount capillary caliber, coupling tube
4 bigger diameter end nozzle is docked and connected with by the lower end nozzle of pressure pipe 5, by pressure pipe 5 upper end tube nozzle be it is closed, by pressure pipe 5
Through-hole 6 is offered on tube wall, the upper edge of test tube plug 2 extends towards outside and is bent to form the annular being halved together with test tube nozzle and stops
The bottom end of mouth 7, test tube plug 2 is equipped with bottom wall 8, and the central part of bottom wall 8 offers the pipe for measuring fixed amount capillary 3 and coupling tube 4
The limit hole 9 that body passes through.
In quantitative collection micro solution, solution is in vitro injected, test tube plug 2 and test tube nozzle are assembled together,
Flexible plastics suction nozzle 1 is inserted into test tube plug 2 and is limited, and through capillary action absorbs measuring fixed amount capillary 3 molten in test tube
Liquid, since the miner diameter end nozzle and the upper end tube nozzle of measuring fixed amount capillary 3 of coupling tube 4 are docked and connected, so that capillary phenomenon is inhaled
The solution alone taken stops at the upper end tube nozzle of measuring fixed amount capillary 3, to realize accurate measuring fixed amount.It is arranged in liquid relief
When out, flexible plastics suction nozzle 1 is extracted, covers by the through-hole 6 on 5 tube wall of pressure pipe and carries out pressing operation, so that measuring fixed amount
The volumetric soiutions discharge that capillary 3 stores, to realize that metering accurately quantifies pipetting function.
Embodiment described above is only the preferred embodiment of the utility model, is not used to limit the guarantor of the utility model
Range is protected, the technical concept based on the utility model can be light using the well-known technique or conventional technical means of the art
That easily realizes is capable of any variation and improved embodiment of equivalence replacement, should all be covered by the protection scope of the utility model
Within.
Claims (6)
1. a kind of waterglass volumetric soiutions acquire component suction nozzle, it is characterized in that: including flexible plastics suction nozzle (1) and cylinder-shaped examination
Pipe close (2), flexible plastics suction nozzle (1) include measuring fixed amount capillary (3), coupling tube (4) and by pressure pipe (5), coupling tube (4)
In truncated cone, the miner diameter end nozzle and the upper end tube nozzle of measuring fixed amount capillary (3) of coupling tube (4) are docked and connected, coupling tube
(4) miner diameter end caliber is greater than measuring fixed amount capillary (3) caliber, the bigger diameter end nozzle of coupling tube (4) and by under pressure pipe (5)
End pipe mouth is docked and connected, by pressure pipe (5) upper end tube nozzle be it is closed, offered on the tube wall by pressure pipe (5) through-hole (6), examination
The upper edge of pipe close (2) extends towards outside and is bent to form the annular stopper (7) being halved together with test tube nozzle, test tube plug (2)
Bottom end is equipped with bottom wall (8), and the central part of bottom wall (8) offers the tube body for measuring fixed amount capillary (3) and coupling tube (4) and passes through
Limit hole (9).
2. waterglass volumetric soiutions according to claim 1 acquire component suction nozzle, it is characterized in that: flexible plastics suction nozzle
It (1) is PMMA or PE material.
3. waterglass volumetric soiutions according to claim 1 acquire component suction nozzle, it is characterized in that: test tube plug (2) is poly- four
Vinyl fluoride material.
4. waterglass volumetric soiutions according to claim 1 acquire component suction nozzle, it is characterized in that: measuring fixed amount capillary
(3) internal diameter is 1mm to 2mm.
5. waterglass volumetric soiutions according to claim 1 acquire component suction nozzle, it is characterized in that: flexible plastics suction nozzle
(1) pipe thickness is 0.5mm to 0.8mm.
6. waterglass volumetric soiutions according to claim 1 acquire component suction nozzle, it is characterized in that: measuring fixed amount capillary
It (3) and by pressure pipe (5) is straight tube shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821597746.5U CN209123952U (en) | 2018-09-29 | 2018-09-29 | A kind of waterglass volumetric soiutions acquisition component suction nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821597746.5U CN209123952U (en) | 2018-09-29 | 2018-09-29 | A kind of waterglass volumetric soiutions acquisition component suction nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209123952U true CN209123952U (en) | 2019-07-19 |
Family
ID=67230765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821597746.5U Expired - Fee Related CN209123952U (en) | 2018-09-29 | 2018-09-29 | A kind of waterglass volumetric soiutions acquisition component suction nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209123952U (en) |
-
2018
- 2018-09-29 CN CN201821597746.5U patent/CN209123952U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207655166U (en) | It is micro- quantitatively to inhale dropper | |
| CN204439557U (en) | Tubular type test paper | |
| CN209123952U (en) | A kind of waterglass volumetric soiutions acquisition component suction nozzle | |
| CN205175737U (en) | Blood sampling external member | |
| CN212207403U (en) | Portable application of sample device | |
| CN202903768U (en) | Improved structure of quantitative sampling reagent feed device | |
| CN209327056U (en) | A kind of corollary apparatus being loaded for the quantitative sampling of micro-fluidic chip and dilution | |
| CN207694835U (en) | A kind of chemistry combined type dropper | |
| CN208833545U (en) | A kind of micro solution acquisition device | |
| CN205127994U (en) | A pipettor for liquid is got to ration | |
| CN204855198U (en) | Quantitative sample thief of liquid sample trace | |
| CN210146039U (en) | Liquid sample collecting and storing device suitable for handheld SPR detector | |
| CN210474032U (en) | Pipettor device for preparing 2,2,6, 6-tetramethyl heptanedione | |
| CN210155158U (en) | Sample feeding device for blood analyzer | |
| CN209565000U (en) | A kind of multi-channel quantitative siphoning installation | |
| CN210166388U (en) | On-line analyzer for residual chlorine in water | |
| CN208420442U (en) | A kind of TDS water quality detection quantitative sampling device | |
| CN207866565U (en) | A kind of integrated quantitative sampling mix reagent device | |
| CN202948002U (en) | Burette | |
| CN208115785U (en) | A kind of novel quantitative suction dropper | |
| CN205850883U (en) | A kind of liquid transfer gun head of quantitative sample-adding | |
| CN205920100U (en) | Multi -functional buret | |
| CN206248500U (en) | A kind of Ubbelohde straight tube viscosimeter for measuring liquid motion viscosity | |
| CN205449210U (en) | Medical washing enzyme liquid counter | |
| CN220496395U (en) | Quantitative extraction tube |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20190719 Termination date: 20210929 |