CN205809020U - A kind of sampling needle for thin-layer chromatography of band leg - Google Patents
A kind of sampling needle for thin-layer chromatography of band leg Download PDFInfo
- Publication number
- CN205809020U CN205809020U CN201620785327.9U CN201620785327U CN205809020U CN 205809020 U CN205809020 U CN 205809020U CN 201620785327 U CN201620785327 U CN 201620785327U CN 205809020 U CN205809020 U CN 205809020U
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- CN
- China
- Prior art keywords
- pipe
- needle
- point sample
- spotting
- support ring
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Abstract
A kind of sampling needle for thin-layer chromatography of band leg, the axial upper end of spotting needle pipe-in-pipe is provided with the opening of cavity and the ft connection making spotting needle pipe-in-pipe, spotting needle pipe-in-pipe lower axial end is provided with the perforate passed for point sample syringe needle, it is provided with screw thread outside spotting needle pipe-in-pipe, point sample needle tubing is arranged on inside spotting needle pipe-in-pipe, the perforate of point sample syringe needle crossing point sample needle tubing its lower end, the screw thread matched with spotting needle pipe-in-pipe outside screw it is provided with inside support ring, support ring is arranged on outside spotting needle pipe-in-pipe, support ring and spotting needle pipe-in-pipe are that screw thread spins, connect outside support ring and have support arm, leg has been connected up with support arm Vertical Square, spotting needle pipe-in-pipe is provided with observation window and measures chi.This sampling needle for thin-layer chromatography can solve the problem that point sample dynamics difficulty control problem, can prevent spotting needle from puncturing the coating layer on chromatographic sheet, by rotating support ring, controls the distance between point sample syringe needle and chromatographic sheet, it is ensured that point sample is accurate.
Description
Technical field
This utility model relates to chemical analysis instrument technical field, particularly relates to the thin layer chromatography point sample of a kind of band leg
Pin.
Background technology
Thin layer chromatography is a kind of adsorption thin-layer chromatography partition method, and it utilizes each composition to same adsorbent ability not
With, make during in flowing phase, (solvent) flow through fixing phase (adsorbent), continuous print produces that Adsorption and desorption is attached, adsorbs, more again
Desorption, thus reach the purpose disconnected from each other of each composition.Thin layer chromatography is sharp separation and a small amount of material of qualitative analysis
A kind of critically important experimental technique, be also used for follow the tracks of reaction process.
When thin-layer chromatographic analysis, need to use sample applicator to drop in thin layer chromatography board by detected sample, point sample diameter
It is usually no more than 5mm.In the actual mechanical process of thin-layer chromatographic analysis, owing to lacking the firmly strong point, spotting needle easily stings
Coating in broken thin layer chromatography board, spotting needle is easily shaken, unstable, inaccurate, causes point sample not meet the analysis of thin layer chromatography
Requirement.
Summary of the invention
This utility model is for the problems referred to above, it is provided that the sampling needle for thin-layer chromatography of band leg, and this sampling needle for thin-layer chromatography holds
Easily operate, be easily controlled point sample dynamics, it is simple to the distance between regulation point sample syringe needle and chromatographic sheet, point sample uniformly, accurately,
Stable.
The technical scheme that the above-mentioned technical problem of this utility model solution is used is as follows:
A kind of sampling needle for thin-layer chromatography of band leg, including point sample needle tubing, point sample syringe needle, spotting needle pipe-in-pipe, support ring,
Support arm, leg, the gimbal lever, observation window, measuring chi, the axial upper end of described spotting needle pipe-in-pipe is provided with and makes spotting needle pipe box
The cavity of pipe and the opening of ft connection, spotting needle pipe-in-pipe lower axial end is provided with the perforate passed for point sample syringe needle, spotting needle
Being provided with screw thread outside pipe-in-pipe, point sample needle tubing is arranged on inside spotting needle pipe-in-pipe, under point sample syringe needle crossing point sample needle tubing sleeve pipe
The perforate of end, is provided with the screw thread matched with spotting needle pipe-in-pipe outside screw inside support ring, support ring is arranged on spotting needle
Outside pipe-in-pipe, support ring and spotting needle pipe-in-pipe are that screw thread spins, and connecting outside support ring has support arm, are being perpendicular to support
Being connected with leg upper end away from support ring end of support arm on arm direction, it is being perpendicular to leg lower end and the gimbal lever on leg direction
Connecting, spotting needle pipe-in-pipe is provided with observation window and measures chi.
As preferably, described support ring is with support arm at grade.
As preferably, described support ring is arranged in spotting needle pipe-in-pipe, can dismantle.
This utility model has the advantages that the sampling needle for thin-layer chromatography of a kind of band leg can solve the problem that point sample dynamics
Difficult control problem, support ring, support arm, leg cooperation under, can prevent spotting needle from puncturing the coating layer on chromatographic sheet,
By rotating support ring or rotating point sample needle tubing sleeve pipe, control the distance between point sample syringe needle and chromatographic sheet, this thin layer color
Spectrum spotting needle easily operates, is easily controlled point sample dynamics, it is simple to the distance between regulation point sample syringe needle and chromatographic sheet, point sample
Do not shake, accurately, stable, uniform.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1-point sample needle tubing；2-point sample syringe needle；3-spotting needle pipe-in-pipe；4-support ring；5-support arm；6-leg；7-
The gimbal lever；8-observation window；9-measures chi.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage of greater clarity, come in detail below in conjunction with accompanying drawing
Embodiment of the present utility model is described.However, it should be understood that these describe the most exemplary, and it is not intended to limit this practicality
Novel scope.Additionally, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily obscuring
Concept of the present utility model.
In describing the invention, it should be noted that term " " center ", " longitudinally ", " laterally ", " on ", D score,
Orientation or the position relationship of the instruction such as "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description rather than instruction or dark
The device or the element that show indication must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that right
The restriction of the present invention.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be fixing connection, it is also possible to be to removably connect, or be integrally connected；Can
To be mechanical connection, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
As it can be seen, the sampling needle for thin-layer chromatography of a kind of band leg, including point sample needle tubing 1, point sample syringe needle 2, point sample needle tubing
Sleeve pipe 3, support ring 4, support arm 5, leg 6, the gimbal lever 7, observation window 8, measuring chi 9, described spotting needle pipe-in-pipe 3 is axial
Upper end is provided with the opening of cavity and the ft connection making spotting needle pipe-in-pipe 3, and spotting needle pipe-in-pipe 3 lower axial end is provided with for point sample
The perforate that syringe needle 2 passes, is provided with screw thread outside spotting needle pipe-in-pipe 3, it is internal that point sample needle tubing 1 is arranged on spotting needle pipe-in-pipe 3, point
Sample syringe needle 2, through the perforate of point sample needle tubing sleeve pipe 3 lower end, is provided with inside support ring 4 and spotting needle pipe-in-pipe 3 outside screw phase
The screw thread joined, support ring 4 is arranged on outside spotting needle pipe-in-pipe 3, and support ring 4 spins in screw thread with spotting needle pipe-in-pipe 3, supports
Connect outside ring 4 and have support arm 5, be perpendicular to support arm 5 on support arm 5 direction away from support ring 4 end with leg 6 upper end even
Connecing, be connected with the gimbal lever 7 being perpendicular to leg 6 lower end on leg 6 direction, spotting needle pipe-in-pipe 3 is provided with observation window 8 and measures
Chi 9.When preparing point sample, by observation window 8 with measure chi 9 and accurately extract certain liquid to be detected.
Spotting needle pipe-in-pipe 3, support ring 4, support arm 5, leg 6, the preferred stainless steel material of the gimbal lever 7 are made, support ring
4, can be welding between support arm 5, leg 6, the gimbal lever 7, rivet or be mechanically connected.Observation window 8 is by glass material or transparent
Engineering plastics are made.It is internal that point sample needle tubing 1 uses adhesive to be fixed on spotting needle pipe-in-pipe 3.
Support ring 4 with support arm 5 at grade, is preferably provided with two support arms 5, and two support arms are with support ring 4
Central point.
Support ring 4 is arranged in spotting needle pipe-in-pipe 3, when fixing point sample needle tubing sleeve pipe 3, by rotating support ring 4, point
Relative distance between sample syringe needle 2 and the gimbal lever 7 changes, and during point sample, the gimbal lever 7 and thin layer chromatography board are in same
In plane, rotate support ring 4 and can control the spacing of point sample syringe needle 2 and thin layer chromatography board, when rotating support ring 4, make support
When ring 4 is away from point sample syringe needle 2, Distance Shortened between point sample syringe needle 2 and thin layer chromatography board, on the contrary distance increases；Or by band
The sampling needle for thin-layer chromatography of foot is placed on the table, and thin layer chromatography board is placed on below point sample syringe needle 2, thin layer chromatography board and the gimbal lever
7 in approximately the same plane, rotate point sample needle tubing sleeve pipe 3 rise or fall, point sample syringe needle 2 rise with spotting needle pipe-in-pipe 3 or under
Fall, thus regulate the spacing of point sample syringe needle 2 and thin layer chromatography board.Support ring 4 spins removable with spotting needle pipe-in-pipe 3 for screw thread
Unload structure.Screw thread spins the distance that structure can be precisely controlled between point sample syringe needle 2 and thin layer chromatography board, ensures that point sample effect is
Good, formed structure spotting needle can be played firm supporting role by support ring 4, support arm 5, leg 6, the gimbal lever 7, the most anti-
Stop sample is shaken, point sample dynamics is uneven.
The foregoing describe embodiment of the present utility model, but described content only readily appreciates this utility model technology
Scheme and the embodiment that uses, skilled person will appreciate that of the industry, this utility model is not restricted to the described embodiments,
On the premise of without departing from this utility model spirit and scope, this utility model also has various changes and modifications, these changes
In the range of both falling within claimed this utility model with improvement.This utility model claims scope by appended claim
Book and equivalent thereof define.
Claims (3)
1. a sampling needle for thin-layer chromatography for band leg, including point sample needle tubing (1), point sample syringe needle (2), spotting needle pipe-in-pipe (3),
Support ring (4), support arm (5), leg (6), the gimbal lever (7), observation window (8), measure chi (9), it is characterised in that: described point
The axial upper end of sample needle tubing sleeve pipe (3) is provided with the opening of cavity and the ft connection making spotting needle pipe-in-pipe (3), spotting needle pipe box
Pipe (3) lower axial end is provided with the perforate passed for point sample syringe needle (2), and spotting needle pipe-in-pipe (3) outside is provided with screw thread, point sample needle tubing
(1) being arranged on spotting needle pipe-in-pipe (3) internal, point sample syringe needle (2) is through the perforate of point sample needle tubing sleeve pipe (3) lower end, support ring
(4) inner side is provided with the screw thread matched with spotting needle pipe-in-pipe (3) outside screw, and support ring (4) is arranged on spotting needle pipe-in-pipe
(3) outside, support ring (4) spins in screw thread with spotting needle pipe-in-pipe (3), and support ring (4) outside connects support arm (5),
It is perpendicular to holding away from support ring (4) of support arm (5) on support arm (5) direction be connected with leg (6) upper end, is perpendicular to leg
(6) on direction, leg (6) lower end is connected with the gimbal lever (7), and spotting needle pipe-in-pipe (3) is provided with observation window (8) and measures chi
(9).
The sampling needle for thin-layer chromatography of a kind of band leg the most according to claim 1, it is characterised in that: described support ring
(4) with support arm (5) at grade.
The sampling needle for thin-layer chromatography of a kind of band leg the most according to claim 1, it is characterised in that: described support ring
(4) it is arranged in spotting needle pipe-in-pipe (3), can dismantle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620785327.9U CN205809020U (en) | 2016-07-25 | 2016-07-25 | A kind of sampling needle for thin-layer chromatography of band leg |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620785327.9U CN205809020U (en) | 2016-07-25 | 2016-07-25 | A kind of sampling needle for thin-layer chromatography of band leg |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205809020U true CN205809020U (en) | 2016-12-14 |
Family
ID=57507168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620785327.9U Expired - Fee Related CN205809020U (en) | 2016-07-25 | 2016-07-25 | A kind of sampling needle for thin-layer chromatography of band leg |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205809020U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105954458A (en) * | 2016-07-25 | 2016-09-21 | 哈尔滨理工大学 | Thin-layer chromatography sample application needle with supporting feet |
| CN110082473A (en) * | 2019-05-16 | 2019-08-02 | 广州市鹭江远科技有限公司 | A kind of spot sample device for aflatoxins detection based on thin layer chromatography |
-
2016
- 2016-07-25 CN CN201620785327.9U patent/CN205809020U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105954458A (en) * | 2016-07-25 | 2016-09-21 | 哈尔滨理工大学 | Thin-layer chromatography sample application needle with supporting feet |
| CN105954458B (en) * | 2016-07-25 | 2018-05-04 | 哈尔滨理工大学 | A kind of sampling needle for thin-layer chromatography with leg |
| CN110082473A (en) * | 2019-05-16 | 2019-08-02 | 广州市鹭江远科技有限公司 | A kind of spot sample device for aflatoxins detection based on thin layer chromatography |
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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: 20161214 Termination date: 20170725 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |